示例#1
0
        public void TestObj()
        {
            FitsFactory.UseAsciiTables = false;

            /*** Create a binary table from an Object[][] array */
            Object[][] x = new Object[5][];
            for (int i = 0; i < 5; i += 1)
            {
                x[i] = new Object[3];

                x[i][0] = new float[] { i };

                string temp = string.Concat("AString", i);
                x[i][1] = new string[] { temp };

                int[][] t = new int[2][];
                for (int j = 0; j < 2; j++)
                {
                    t[j]    = new int[2];
                    t[j][0] = j * i;
                    t[j][1] = (j + 2) * i;
                }
                x[i][2] = t;
            }

            Fits     f   = new Fits();
            BasicHDU hdu = Fits.MakeHDU(x);

            f.AddHDU(hdu);
            BufferedFile bf = new BufferedFile("bt5.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();


            /* Now get rid of some columns */
            BinaryTableHDU xhdu = (BinaryTableHDU)hdu;

            // First column
            Assertion.AssertEquals("delcol1", 3, xhdu.NCols);
            xhdu.DeleteColumnsIndexOne(1, 1);
            Assertion.AssertEquals("delcol2", 2, xhdu.NCols);

            xhdu.DeleteColumnsIndexZero(1, 1);
            Assertion.AssertEquals("delcol3", 1, xhdu.NCols);

            bf = new BufferedFile("bt6.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();

            f = new Fits("bt6.fits");

            xhdu = (BinaryTableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delcol4", 1, xhdu.NCols);
            f.Close();
        }
示例#2
0
        // Make FITS file
        public void MakeFile()
        {
            Initialize();

            Fits f = new Fits();

            // Make HDUs of various types.
            f.AddHDU(Fits.MakeHDU(bimg));
            f.AddHDU(Fits.MakeHDU(simg));
            f.AddHDU(Fits.MakeHDU(iimg));
            f.AddHDU(Fits.MakeHDU(limg));
            f.AddHDU(Fits.MakeHDU(fimg));
            f.AddHDU(Fits.MakeHDU(dimg));
            f.AddHDU(Fits.MakeHDU(img3));
            f.AddHDU(Fits.MakeHDU(img1));

            Assert.AreEqual(f.NumberOfHDUs, 8);

            // Write a FITS file.
            BufferedFile bf = new BufferedFile(
                TestFileSetup.GetTargetFilename("image1.fits"),
                FileAccess.ReadWrite,
                FileShare.ReadWrite);

            f.Write(bf);
            bf.Flush();
            bf.Close();
            bf.Dispose();
            f.Close();
        }
示例#3
0
        public void TestFitsCopy( /*String[] args*/ )
        {
            String file = "E:\\CSharpFITSIO\\AISCHV3_228_13637_0001_sv09-fd-int.fits" /*args[0]*/;

            Fits f = new Fits(file);
            int i = 0;
            BasicHDU h;

            do
            {
                h = f.ReadHDU();
                if (h != null)
                {
                    if (i == 0)
                    {
                        System.Console.Out.WriteLine("\n\nPrimary header:\n");
                    }
                    else
                    {
                        System.Console.Out.WriteLine("\n\nExtension " + i + ":\n");
                    }
                    i += 1;
                    h.Info();
                }
            } while (h != null);

            BufferedFile bf = new BufferedFile("gbfits3.fits" /*args[1]*/, FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();
        }
示例#4
0
        public void TestDegenerate()
        {
            String[] sa = new String[10];
            int[,] ia = new int[10, 0];
            Fits f = new Fits();

            for (int i = 0; i < sa.Length; i += 1)
            {
                sa[i] = "";
            }

            Object[]       data = new Object[] { sa, ia };
            BinaryTableHDU bhdu = (BinaryTableHDU)Fits.MakeHDU(data);
            Header         hdr  = bhdu.Header;

            f.AddHDU(bhdu);
            BufferedFile bf = new BufferedFile("bt7.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();

            Assertion.AssertEquals("degen1", 2, hdr.GetIntValue("TFIELDS"));
            Assertion.AssertEquals("degen2", 10, hdr.GetIntValue("NAXIS2"));
            Assertion.AssertEquals("degen3", 0, hdr.GetIntValue("NAXIS1"));

            f    = new Fits("bt7.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);

            hdr = bhdu.Header;
            Assertion.AssertEquals("degen4", 2, hdr.GetIntValue("TFIELDS"));
            Assertion.AssertEquals("degen5", 10, hdr.GetIntValue("NAXIS2"));
            Assertion.AssertEquals("degen6", 0, hdr.GetIntValue("NAXIS1"));
            f.Close();
        }
示例#5
0
        public void TestFitsCopy( /*String[] args*/ )
        {
            String file = Path.GetTempFileName();
            File.Copy("..\\..\\testdocs\\ht1.fits", file, true);
            Fits f = new Fits(file);
            int i = 0;
            BasicHDU h;

            do
            {
                h = f.ReadHDU();
                if (h != null)
                {
                    if (i == 0)
                    {
                        System.Console.Out.WriteLine("\n\nPrimary header:\n");
                    }
                    else
                    {
                        System.Console.Out.WriteLine("\n\nExtension " + i + ":\n");
                    }
                    i += 1;
                    h.Info();
                }
            } while (h != null);

            BufferedFile bf = new BufferedFile("gbfits3.fits" /*args[1]*/, FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();
        }
示例#6
0
        // Make FITS file
        public void MakeFile()
        {
            Initialize();

            Fits f = new Fits();

            // Make HDUs of various types.
            f.AddHDU(Fits.MakeHDU(bimg));
            f.AddHDU(Fits.MakeHDU(simg));
            f.AddHDU(Fits.MakeHDU(iimg));
            f.AddHDU(Fits.MakeHDU(limg));
            f.AddHDU(Fits.MakeHDU(fimg));
            f.AddHDU(Fits.MakeHDU(dimg));
            f.AddHDU(Fits.MakeHDU(img3));
            f.AddHDU(Fits.MakeHDU(img1));

            Assertion.AssertEquals("HDU count before", f.NumberOfHDUs, 8);


            // Write a FITS file.
            BufferedFile bf = new BufferedFile("image1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Flush();
            bf.Close();
        }
示例#7
0
        public void test()
        {
            float[][] data = new float[300][];
            for (int i = 0; i < 300; i++)
                data[i] = new float[300];

            for (int i = 0; i < 300; i += 1)
            {
                for (int j = 0; j < 300; j += 1)
                {
                    data[i][j] = 1000 * i + j;
                }
            }

            Fits f = new Fits();

            BufferedFile bf = new BufferedFile("tiler1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.AddHDU(Fits.MakeHDU(data));

            f.Write(bf);
            bf.Close();

            f = new Fits("tiler1.fits");

            ImageHDU h = (ImageHDU)f.ReadHDU();

            ImageTiler t = h.Tiler;
            doTile("t1", data, t, 200, 200, 50, 50);
            doTile("t2", data, t, 133, 133, 72, 26);

            Object o = h.Data.Kernel;
            doTile("t3", data, t, 200, 200, 50, 50);
            doTile("t4", data, t, 133, 133, 72, 26);
        }
示例#8
0
        public void TestFitsCopy(/*String[] args*/)
        {
            String file = Path.GetTempFileName();

            File.Copy("testdocs\\ht1.fits", file, true);
            Fits     f = new Fits(file);
            int      i = 0;
            BasicHDU h;

            do
            {
                h = f.ReadHDU();
                if (h != null)
                {
                    if (i == 0)
                    {
                        System.Console.Out.WriteLine("\n\nPrimary header:\n");
                    }
                    else
                    {
                        System.Console.Out.WriteLine("\n\nExtension " + i + ":\n");
                    }
                    i += 1;
                    h.Info();
                }
            } while (h != null);

            BufferedFile bf = new BufferedFile("gbfits3.fits" /*args[1]*/, FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();
        }
示例#9
0
        public void TestVar()
        {
            Object[] data = new Object[] { floats, vf, vs, vd, shorts, vbool };
            Fits     f    = new Fits();

            f.AddHDU(Fits.MakeHDU(data));

            //BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2.fits", FileMode.Open, FileAccess.ReadWrite));
            BufferedFile bdos = new BufferedFile("bt2.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bdos);
            bdos.Close();

            f = new Fits("bt2.fits", FileAccess.Read);
            f.Read();
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            Header         hdr  = bhdu.Header;

            Assertion.AssertEquals("var1", true, hdr.GetIntValue("PCOUNT") > 0);
            Assertion.AssertEquals("var2", 6, hdr.GetIntValue("TFIELDS"));

            for (int i = 0; i < data.Length; i += 1)
            {
                Assertion.AssertEquals("vardata(" + i + ")", true, ArrayFuncs.ArrayEquals(data[i], bhdu.GetColumn(i)));
            }
        }
示例#10
0
        void WriteFile(Fits f, String name)
        {
            BufferedFile bf = new BufferedFile(name, FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Flush();
            bf.Close();
        }
示例#11
0
        public void TestRowDelete()
        {
            Fits f = null;

            try
            {
                f = new Fits(
                    TestFileSetup.GetTargetFilename(
                        TestFileSetup.GetTargetFilename("bt1.fits")));
                f.Read();

                BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);

                Assert.AreEqual(50, thdu.NRows);
                thdu.DeleteRows(10, 20);
                Assert.AreEqual(30, thdu.NRows);

                double[] dbl = (double[])thdu.GetColumn(6);
                Assert.AreEqual(dbl[9], doubles[9]);
                Assert.AreEqual(dbl[10], doubles[30]);

                BufferedFile bf =
                    new BufferedFile(
                        TestFileSetup.GetTargetFilename("bt1x.fits"),
                        FileAccess.ReadWrite,
                        FileShare.ReadWrite);

                f.Write(bf);
                bf.Close();
                bf.Dispose();
                f.Close();

                f = new Fits(TestFileSetup.GetTargetFilename("bt1x.fits"));
                f.Read();
                thdu = (BinaryTableHDU)f.GetHDU(1);
                dbl  = (double[])thdu.GetColumn(6);
                Assert.AreEqual(30, thdu.NRows);
                Assert.AreEqual(9, thdu.NCols);
                Assert.AreEqual(dbl[9], doubles[9]);
                Assert.AreEqual(dbl[10], doubles[30]);

                thdu.DeleteRows(20);
                Assert.AreEqual(20, thdu.NRows);
                dbl = (double[])thdu.GetColumn(6);
                Assert.AreEqual(20, dbl.Length);
                Assert.AreEqual(dbl[0], doubles[0]);
                Assert.AreEqual(dbl[19], doubles[39]);
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#12
0
        public static void ExportFits(float[][] imageData)   //TODO: Check if this works
        {
            var f = new nom.tam.fits.Fits();
            var h = FitsFactory.HDUFactory(imageData);

            f.AddHDU(h);
            var bufferedDataStream = new BufferedDataStream(new FileStream("Outputfile", FileMode.Create));

            f.Write(bufferedDataStream);
        }
示例#13
0
        public void TestSimpleIO()
        {
            FitsFactory.UseAsciiTables = false;

            Fits f = new Fits();

            Object[] data = new Object[] { bytes, bits, bools, shorts, ints,
                                           floats, doubles, longs, strings };
            f.AddHDU(Fits.MakeHDU(data));

            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);

            bhdu.SetColumnName(0, "bytes", null);
            bhdu.SetColumnName(1, "bits", "bits later on");
            bhdu.SetColumnName(6, "doubles", null);
            bhdu.SetColumnName(5, "floats", "4 x 4 array");

            BufferedFile bf = new BufferedFile("bt1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Flush();
            bf.Close();

            f = new Fits("bt1.fits");
            f.Read();

            Assertion.AssertEquals("NHDU", 2, f.NumberOfHDUs);


            BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
            Header         hdr  = thdu.Header;

            Assertion.AssertEquals("HDR1", 9, hdr.GetIntValue("TFIELDS"));
            Assertion.AssertEquals("HDR2", 2, hdr.GetIntValue("NAXIS"));
            Assertion.AssertEquals("HDR3", 8, hdr.GetIntValue("BITPIX"));
            Assertion.AssertEquals("HDR4", "BINTABLE", hdr.GetStringValue("XTENSION"));
            Assertion.AssertEquals("HDR5", "bytes", hdr.GetStringValue("TTYPE1"));
            Assertion.AssertEquals("HDR6", "doubles", hdr.GetStringValue("TTYPE7"));

            for (int i = 0; i < data.Length; i += 1)
            {
                Object col = thdu.GetColumn(i);
                if (i == 8)
                {
                    String[] st = (String[])col;

                    for (int j = 0; j < st.Length; j += 1)
                    {
                        st[j] = st[j].Trim();
                    }
                }
                Assertion.AssertEquals("Data" + i, true, ArrayFuncs.ArrayEquals(data[i], col));
            }
            f.Close();
        }
示例#14
0
        public void TestSimpleImages()
        {
            float[][] img = new float[300][];
            for (int i = 0; i < 300; i++)
            {
                img[i] = new float[300];
            }

            Fits f = new Fits();

            ImageHDU hdu = (ImageHDU)Fits.MakeHDU(img);

            BufferedFile bf = new BufferedFile("ht1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.AddHDU(hdu);
            f.Write(bf);
            bf.Close();

            f   = new Fits("ht1.fits");
            hdu = (ImageHDU)f.GetHDU(0);
            Header hdr = hdu.Header;

            Assertion.AssertEquals("NAXIS", 2, hdr.GetIntValue("NAXIS"));
            Assertion.AssertEquals("NAXIS1", 300, hdr.GetIntValue("NAXIS1"));
            Assertion.AssertEquals("NAXIS2", 300, hdr.GetIntValue("NAXIS2"));
            Assertion.AssertEquals("NAXIS2a", 300, hdr.GetIntValue("NAXIS2", -1));
            Assertion.AssertEquals("NAXIS3", -1, hdr.GetIntValue("NAXIS3", -1));

            Assertion.AssertEquals("BITPIX", -32, hdr.GetIntValue("BITPIX"));


            Cursor c = hdr.GetCursor();

            c.MoveNext();
            HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;

            Assertion.AssertEquals("SIMPLE_1", "SIMPLE", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("BITPIX_2", "BITPIX", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("NAXIS_3", "NAXIS", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("NAXIS1_4", "NAXIS1", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("NAXIS2_5", "NAXIS2", hc.Key);
            f.Close();
        }
示例#15
0
        public void BuildByColumn()
        {
            Fits f = null;

            try
            {
                BinaryTable btab = new BinaryTable();

                btab.AddColumn(floats);
                btab.AddColumn(vf);
                btab.AddColumn(strings);
                btab.AddColumn(vbool);
                btab.AddColumn(ints);

                f = new Fits();
                f.AddHDU(Fits.MakeHDU(btab));

                BufferedFile bdos =
                    new BufferedFile(
                        TestFileSetup.GetTargetFilename("bt3.fits"),
                        FileAccess.ReadWrite,
                        FileShare.ReadWrite);
                f.Write(bdos);
                bdos.Close();
                bdos.Dispose();
                f.Close();

                f = new Fits(TestFileSetup.GetTargetFilename("bt3.fits"));
                BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
                btab = (BinaryTable)bhdu.Data;

                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(floats, bhdu.GetColumn(0)));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(vf, bhdu.GetColumn(1))); // problem is here only

                String[] col = (String[])bhdu.GetColumn(2);
                for (int i = 0; i < col.Length; i += 1)
                {
                    col[i] = col[i].Trim();
                }

                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(strings, col));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(vbool, bhdu.GetColumn(3)));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ints, bhdu.GetColumn(4)));
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#16
0
        public void TestDegen2()
        {
            FitsFactory.UseAsciiTables = false;

            Object[] data = new Object[] {
                new String[] { "a", "b", "c", "d", "e", "f" },
                new int[]   { 1, 2, 3, 4, 5, 6 },
                new float[] { 1f, 2f, 3f, 4f, 5f, 6f },
                new String[] { "", "", "", "", "", "" },
                new String[] { "a", "", "c", "", "e", "f" },
                new String[] { "", "b", "c", "d", "e", "f" },
                new String[] { "a", "b", "c", "d", "e", "" },
                new String[] { null, null, null, null, null, null },
                new String[] { "a", null, "c", null, "e", "f" },
                new String[] { null, "b", "c", "d", "e", "f" },
                new String[] { "a", "b", "c", "d", "e", null }
            };

            Fits f = new Fits();

            f.AddHDU(Fits.MakeHDU(data));
            BufferedFile ff = new BufferedFile("bt8.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(ff);
            ff.Flush();
            ff.Close();

            f = new Fits("bt8.fits");
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);

            Assertion.AssertEquals("deg21", "e", bhdu.GetElement(4, data.Length - 1));
            Assertion.AssertEquals("deg22", "", bhdu.GetElement(5, data.Length - 1));

            String[] col = (String[])bhdu.GetColumn(0);
            Assertion.AssertEquals("deg23", "a", col[0]);
            Assertion.AssertEquals("deg24", "f", col[5]);

            col = (String[])bhdu.GetColumn(3);
            Assertion.AssertEquals("deg25", "", col[0]);
            Assertion.AssertEquals("deg26", "", col[5]);

            col = (String[])bhdu.GetColumn(7);  // All nulls
            Assertion.AssertEquals("deg27", "", col[0]);
            Assertion.AssertEquals("deg28", "", col[5]);

            col = (String[])bhdu.GetColumn(8);

            Assertion.AssertEquals("deg29", "a", col[0]);
            Assertion.AssertEquals("deg210", "", col[1]);
            f.Close();
        }
示例#17
0
        public void Delete()
        {
            Fits f = null;

            try
            {
                f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.ReadWrite);

                TableHDU th = (TableHDU)f.GetHDU(1);
                Assert.AreEqual(50, th.NRows);

                th.DeleteRows(2, 2);
                Assert.AreEqual(48, th.NRows);

                BufferedFile bf = new BufferedFile(TestFileSetup.GetTargetFilename("at1y.fits"), FileAccess.ReadWrite,
                                                   FileShare.ReadWrite);
                f.Write(bf);
                bf.Close();
                bf.Dispose();
                f.Close();

                f  = new Fits(TestFileSetup.GetTargetFilename("at1y.fits"));
                th = (TableHDU)f.GetHDU(1);
                Assert.AreEqual(48, th.NRows);

                Assert.AreEqual(5, th.NCols);
                th.DeleteColumnsIndexZero(3, 2);
                Assert.AreEqual(3, th.NCols);

                th.DeleteColumnsIndexZero(0, 2);
                Assert.AreEqual(1, th.NCols);
                bf = new BufferedFile(TestFileSetup.GetTargetFilename("at1z.fits"), FileAccess.ReadWrite,
                                      FileShare.ReadWrite);

                f.Write(bf);
                bf.Close();
                bf.Dispose();
                f.Close();

                f  = new Fits(TestFileSetup.GetTargetFilename("at1z.fits"));
                th = (TableHDU)f.GetHDU(1);
                Assert.AreEqual(1, th.NCols);
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#18
0
        public void TestDegenerate()
        {
            Fits f = null;

            try
            {
                String[] sa = new String[10];
                int[,] ia = new int[10, 0];

                f = new Fits();

                for (int i = 0; i < sa.Length; i += 1)
                {
                    sa[i] = "";
                }

                Object[]       data = new Object[] { sa, ia };
                BinaryTableHDU bhdu = (BinaryTableHDU)Fits.MakeHDU(data);
                Header         hdr  = bhdu.Header;
                f.AddHDU(bhdu);

                BufferedFile bf =
                    new BufferedFile(
                        TestFileSetup.GetTargetFilename("bt7.fits"),
                        FileAccess.ReadWrite,
                        FileShare.ReadWrite);
                f.Write(bf);
                bf.Close();
                bf.Dispose();

                Assert.AreEqual(2, hdr.GetIntValue("TFIELDS"));
                Assert.AreEqual(10, hdr.GetIntValue("NAXIS2"));
                Assert.AreEqual(0, hdr.GetIntValue("NAXIS1"));

                f.Close();

                f    = new Fits(TestFileSetup.GetTargetFilename("bt7.fits"));
                bhdu = (BinaryTableHDU)f.GetHDU(1);
                hdr  = bhdu.Header;
                Assert.AreEqual(2, hdr.GetIntValue("TFIELDS"));
                Assert.AreEqual(10, hdr.GetIntValue("NAXIS2"));
                Assert.AreEqual(0, hdr.GetIntValue("NAXIS1"));
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#19
0
        public void test()
        {
            float[][] data = new float[300][];
            for (int i = 0; i < 300; i++)
            {
                data[i] = new float[300];
            }

            for (int i = 0; i < 300; i += 1)
            {
                for (int j = 0; j < 300; j += 1)
                {
                    data[i][j] = 1000 * i + j;
                }
            }

            Fits f = null;

            try
            {
                f = new Fits();

                BufferedFile bf = new BufferedFile(TestFileSetup.GetTargetFilename("tiler1.fits"), FileAccess.ReadWrite,
                                                   FileShare.ReadWrite);
                f.AddHDU(Fits.MakeHDU(data));
                f.Write(bf);
                bf.Close();
                bf.Dispose();
                f.Close();

                f = new Fits(TestFileSetup.GetTargetFilename("tiler1.fits"));
                ImageHDU h = (ImageHDU)f.ReadHDU();

                ImageTiler t = h.Tiler;
                doTile("t1", data, t, 200, 200, 50, 50);
                doTile("t2", data, t, 133, 133, 72, 26);

                Object o = h.Data.Kernel;
                doTile("t3", data, t, 200, 200, 50, 50);
                doTile("t4", data, t, 133, 133, 72, 26);
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#20
0
        /// <summary>
        /// writes the header to fits file
        /// </summary>
        /// <param name="reader"></param>
        /// <param name="filename"></param>
        /// <param name="writeMode"></param>
        /// <param name="stringTruncationLength"></param>
        /// <param name="padStringsLeft"></param>
        /// <param name="stringPadChar"></param>
        public static void Write(IDataReader reader, String filename,
                                 StreamedBinaryTableHDU.StringWriteMode writeMode, int stringTruncationLength,
                                 bool padStringsLeft, char stringPadChar)
        {
            Header header = new Header();

            header.Simple = true;
            header.Bitpix = 8;
            header.Naxes  = 0;

            Cursor c = header.GetCursor();

            // move to the end of the header cards
            for (c.MoveNext(); c.MoveNext();)
            {
                ;
            }
            // we know EXTEND isn't there yet
            c.Add("EXTEND", new HeaderCard("EXTEND", true, null));

            ImageHDU hdu1 = new ImageHDU(header, null);

            StreamedBinaryTableHDU hdu2 =
                new StreamedBinaryTableHDU(new DataReaderAdapter(reader), 4096,
                                           writeMode, stringTruncationLength, padStringsLeft, stringPadChar);

            Fits fits = new Fits();

            fits.AddHDU(hdu1);
            fits.AddHDU(hdu2);

            Stream s = null;

            try
            {
                s = new FileStream(filename, FileMode.Create);
                fits.Write(s);
                s.Close();
            }
            catch (Exception e)
            {
                s.Close();
                throw (e);
            }
        }
示例#21
0
        public void TestVar()
        {
            Fits f = null;

            try
            {
                Object[] data = new Object[] { floats, vf, vs, vd, shorts, vbool };
                f = new Fits();
                f.AddHDU(Fits.MakeHDU(data));

                BufferedFile bdos =
                    new BufferedFile(
                        TestFileSetup.GetTargetFilename("bt2.fits"),
                        FileAccess.ReadWrite,
                        FileShare.ReadWrite);

                f.Write(bdos);
                bdos.Close();
                bdos.Dispose();
                f.Close();

                f = new Fits(TestFileSetup.GetTargetFilename("bt2.fits"), FileAccess.Read);
                f.Read();
                BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
                Header         hdr  = bhdu.Header;

                Assert.AreEqual(true, hdr.GetIntValue("PCOUNT") > 0);
                Assert.AreEqual(6, hdr.GetIntValue("TFIELDS"));

                for (int i = 0; i < data.Length; i += 1)
                {
                    Assert.AreEqual(true, ArrayFuncs.ArrayEquals(data[i], bhdu.GetColumn(i)));
                }
            }
            finally
            {
                f.Close();
            }
        }
示例#22
0
        public void BuildByColumn()
        {
            BinaryTable btab = new BinaryTable();

            btab.AddColumn(floats);
            btab.AddColumn(vf);
            btab.AddColumn(strings);
            btab.AddColumn(vbool);
            btab.AddColumn(ints);

            Fits f = new Fits();

            f.AddHDU(Fits.MakeHDU(btab));

            // BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt3.fits",FileMode.Open));
            BufferedFile bdos = new BufferedFile("bt3.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bdos);
            bdos.Close();

            f = new Fits("bt3.fits");
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);

            btab = (BinaryTable)bhdu.Data;

            Assertion.AssertEquals("col1", true, ArrayFuncs.ArrayEquals(floats, bhdu.GetColumn(0)));
            Assertion.AssertEquals("col2", true, ArrayFuncs.ArrayEquals(vf, bhdu.GetColumn(1))); // problem is here only

            String[] col = (String[])bhdu.GetColumn(2);
            for (int i = 0; i < col.Length; i += 1)
            {
                col[i] = col[i].Trim();
            }
            Assertion.AssertEquals("coi3", true, ArrayFuncs.ArrayEquals(strings, col));

            Assertion.AssertEquals("col4", true, ArrayFuncs.ArrayEquals(vbool, bhdu.GetColumn(3)));
            Assertion.AssertEquals("col5", true, ArrayFuncs.ArrayEquals(ints, bhdu.GetColumn(4)));
            f.Close();
        }
示例#23
0
        public void TestRowDelete()
        {
            Fits f = new Fits("testdocs\\bt1.fits");

            f.Read();

            BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);

            Assertion.AssertEquals("Del1", 50, thdu.NRows);
            thdu.DeleteRows(10, 20);
            Assertion.AssertEquals("Del2", 30, thdu.NRows);

            double[] dbl = (double[])thdu.GetColumn(6);
            Assertion.AssertEquals("del3", dbl[9], doubles[9]);
            Assertion.AssertEquals("del4", dbl[10], doubles[30]);

            BufferedFile bf = new BufferedFile("bt1x.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();
            f.Close();

            f = new Fits("bt1x.fits");
            f.Read();
            thdu = (BinaryTableHDU)f.GetHDU(1);
            dbl  = (double[])thdu.GetColumn(6);
            Assertion.AssertEquals("del5", 30, thdu.NRows);
            Assertion.AssertEquals("del6", 9, thdu.NCols);
            Assertion.AssertEquals("del7", dbl[9], doubles[9]);
            Assertion.AssertEquals("del8", dbl[10], doubles[30]);

            thdu.DeleteRows(20);
            Assertion.AssertEquals("del9", 20, thdu.NRows);
            dbl = (double[])thdu.GetColumn(6);
            Assertion.AssertEquals("del10", 20, dbl.Length);
            Assertion.AssertEquals("del11", dbl[0], doubles[0]);
            Assertion.AssertEquals("del12", dbl[19], doubles[39]);
            f.Close();
        }
示例#24
0
        public void Delete()
        {
            Fits f = new Fits("at1.fits", FileAccess.ReadWrite);

            TableHDU th = (TableHDU)f.GetHDU(1);

            Assertion.AssertEquals("delrBef", 50, th.NRows);

            th.DeleteRows(2, 2);
            Assertion.AssertEquals("delrAft", 48, th.NRows);

            BufferedFile bf = new BufferedFile("at1y.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();
            f.Close();

            f  = new Fits("at1y.fits");
            th = (TableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delrAft2", 48, th.NRows);

            Assertion.AssertEquals("delcBef", 5, th.NCols);
            th.DeleteColumnsIndexZero(3, 2);
            Assertion.AssertEquals("delcAft1", 3, th.NCols);

            th.DeleteColumnsIndexZero(0, 2);
            Assertion.AssertEquals("delcAft2", 1, th.NCols);
            bf = new BufferedFile("at1z.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();
            f.Close();

            f  = new Fits("at1z.fits");
            th = (TableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delcAft3", 1, th.NCols);
            f.Close();
        }
示例#25
0
        public void BuildByColumn()
        {
            BinaryTable btab = new BinaryTable();

            btab.AddColumn(floats);
            btab.AddColumn(vf);
            btab.AddColumn(strings);
            btab.AddColumn(vbool);
            btab.AddColumn(ints);

            Fits f = new Fits();
            f.AddHDU(Fits.MakeHDU(btab));

            // BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt3.fits",FileMode.Open));
            BufferedFile bdos = new BufferedFile("bt3.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();

            f = new Fits("bt3.fits");
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            btab = (BinaryTable)bhdu.Data;

            Assertion.AssertEquals("col1", true, ArrayFuncs.ArrayEquals(floats, bhdu.GetColumn(0)));
            Assertion.AssertEquals("col2", true, ArrayFuncs.ArrayEquals(vf, bhdu.GetColumn(1))); // problem is here only

            String[] col = (String[])bhdu.GetColumn(2);
            for (int i = 0; i < col.Length; i += 1)
            {
                col[i] = col[i].Trim();
            }
            Assertion.AssertEquals("coi3", true, ArrayFuncs.ArrayEquals(strings, col));

            Assertion.AssertEquals("col4", true, ArrayFuncs.ArrayEquals(vbool, bhdu.GetColumn(3)));
            Assertion.AssertEquals("col5", true, ArrayFuncs.ArrayEquals(ints, bhdu.GetColumn(4)));
            f.Close();
        }
示例#26
0
        public void Save(Exposure exposure, string filename, Dictionary<string, object> metadata)
        {
            Fits fits = new Fits();
            int[] dimensions = new[] { exposure.Height, exposure.Width };

            // choose the type from calculating the bitness from the exposure maxdepth
            long a = 0, bits = -1;
            while (a < exposure.MaxDepth)
                a = (int)Math.Pow(2.0, ++bits);

            Array pixels;
            if (bits <= 16)
            {
                pixels = ConvertToShort(exposure.Pixels);
            }
            else
            {
                pixels = exposure.Pixels;
            }

            var data = ArrayFuncs.Curl(pixels, dimensions);
            var hdu = FitsFactory.HDUFactory(data);

            // Write the headers.

            BuildHeader(hdu.Header, exposure, metadata, a);

            fits.AddHDU(hdu);

            if (!filename.EndsWith(".fits"))
                filename += ".fits";

            BufferedFile bf = new BufferedFile(filename, FileAccess.ReadWrite, FileShare.None);
            fits.Write(bf);
            bf.Close();
        }
        public void TestFitsCopy()
        {
            String file = TestFileSetup.GetTargetFilename("test_dup.fits");

            Fits     f = new Fits(file);
            int      i = 0;
            BasicHDU h;

            do
            {
                h = f.ReadHDU();
                if (h != null)
                {
                    if (i == 0)
                    {
                        Console.Out.WriteLine("\n\nPrimary header:\n");
                    }
                    else
                    {
                        Console.Out.WriteLine("\n\nExtension " + i + ":\n");
                    }
                    i += 1;
                    h.Info();
                }
            } while (h != null);

            BufferedFile bf = new BufferedFile(
                TestFileSetup.GetTargetFilename("gbfits3.fits"),
                FileAccess.ReadWrite,
                FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();
            bf.Dispose();
            f.Close();
        }
示例#28
0
        public void TestRandomGroup()
        {
            //float[,] fa = new float[20,20];
            float[][] fa = new float[20][];
            for (int i = 0; i < fa.Length; i++)
            {
                fa[i] = new float[20];
            }
            float[] pa = new float[3];

            BufferedFile bf = new BufferedFile(
                TestFileSetup.GetTargetFilename("rg1.fits"),
                FileAccess.ReadWrite,
                FileShare.ReadWrite);

            Object[][] data = new Object[1][];
            data[0]    = new Object[2];
            data[0][0] = pa;
            data[0][1] = fa;

            Console.Out.WriteLine("***** Write header ******");
            BasicHDU hdu = Fits.MakeHDU(data);
            Header   hdr = hdu.Header;

            // Change the number of groups
            hdr.AddValue("GCOUNT", 20, "Number of groups");
            hdr.Write(bf);

            Console.Out.WriteLine("***** Write data group by group ******");
            for (int i = 0; i < 20; i += 1)
            {
                for (int j = 0; j < pa.Length; j += 1)
                {
                    pa[j] = i + j;
                }
                for (int j = 0; j < fa.GetLength(0); j += 1)
                {
                    try
                    {
                        //  fa[j, j] = i * j;
                        fa[j][j] = i * j;
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine(e.Message);
                        Console.WriteLine("i ,j value:" + i + "   " + j);
                    }
                }
                // Write a group
                bf.WriteArray(data);
            }

            byte[] padding = new byte[FitsUtil.Padding(20 * ArrayFuncs.ComputeSize(data))];
            Console.Out.WriteLine("****** Write padding ******");
            bf.Write(padding);

            bf.Flush();
            bf.Close();
            bf.Dispose();

            Fits f = null;

            try
            {
                Console.Out.WriteLine("****** Read data back in ******");
                f = new Fits(TestFileSetup.GetTargetFilename("rg1.fits"));
                BasicHDU[] hdus = f.Read();

                data = (Object[][])hdus[0].Kernel;
                // data = hdus[0].Kernel;
                Console.Out.WriteLine("**** Check parameter and data info *****");
                for (int i = 0; i < data.Length; i += 1)
                {
                    pa = (float[])data[i][0];
                    // fa = (float[,]) data[i,1];
                    Array[] tfa = (Array[])data[i][1];
                    for (int j = 0; j < pa.Length; j += 1)
                    {
                        Assert.AreEqual((float)(i + j), pa[j]);
                    }
                    for (int j = 0; j < fa.Length; j += 1)
                    {
                        // Assert.AreEqual("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
                        Assert.AreEqual((float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
                    }
                }

                f.Close();

                Console.Out.WriteLine("**** Create HDU from kernel *****");
                f = new Fits();

                // Generate a FITS HDU from the kernel.
                f.AddHDU(Fits.MakeHDU(data));
                bf = new BufferedFile(
                    TestFileSetup.GetTargetFilename("rg2.fits"),
                    FileAccess.ReadWrite,
                    FileShare.ReadWrite);

                Console.Out.WriteLine("**** Write new file *****");
                f.Write(bf);
                bf.Flush();
                bf.Close();
                bf.Dispose();
                f.Close();

                Console.Out.WriteLine("**** Read and check *****");
                f    = new Fits(TestFileSetup.GetTargetFilename("rg2.fits"));
                data = (Object[][])f.Read()[0].Kernel;

                for (int i = 0; i < data.Length; i += 1)
                {
                    pa = (float[])data[i][0];
                    //   fa = (float[,]) data[i,1];
                    Array[] tfa = (Array[])data[i][1];

                    for (int j = 0; j < pa.Length; j += 1)
                    {
                        Assert.AreEqual((float)(i + j), pa[j]);
                    }

                    for (int j = 0; j < fa.Length; j += 1)
                    {
                        //Assert.AreEqual("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
                        Assert.AreEqual((float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
                    }
                }
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#29
0
        public void TestRandomGroup()
        {
            //float[,] fa = new float[20,20];
            float[][] fa = new float[20][];
            for (int i = 0; i < fa.Length; i++)
                fa[i] = new float[20];
            float[] pa = new float[3];

            BufferedFile bf = new BufferedFile("rg1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            Object[][] data = new Object[1][];
            data[0] = new Object[2];
            data[0][0] = pa;
            data[0][1] = fa;

            System.Console.Out.WriteLine("***** Write header ******");
            BasicHDU hdu = Fits.MakeHDU(data);
            Header hdr = hdu.Header;

            // Change the number of groups
            hdr.AddValue("GCOUNT", 20, "Number of groups");
            hdr.Write(bf);

            System.Console.Out.WriteLine("***** Write data group by group ******");
            for (int i = 0; i < 20; i += 1)
            {

                for (int j = 0; j < pa.Length; j += 1)
                {
                    pa[j] = i + j;
                }
                for (int j = 0; j < fa.GetLength(0); j += 1)
                {
                    try
                    {
                        //  fa[j, j] = i * j;
                        fa[j][j] = i * j;
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine(e.Message); ;
                        Console.WriteLine("i ,j value:" + i + "   " + j);
                    }
                }
                // Write a group
                bf.WriteArray(data);
            }

            byte[] padding = new byte[FitsUtil.Padding(20 * ArrayFuncs.ComputeSize(data))];
            System.Console.Out.WriteLine("****** Write padding ******");
            bf.Write(padding);

            bf.Flush();
            bf.Close();

            System.Console.Out.WriteLine("****** Read data back in ******");
            Fits f = new Fits("rg1.fits");
            BasicHDU[] hdus = f.Read();

            data = (Object[][])hdus[0].Kernel;
            // data = hdus[0].Kernel;
            System.Console.Out.WriteLine("**** Check parameter and data info *****");
            for (int i = 0; i < data.Length; i += 1)
            {

                pa = (float[])data[i][0];
                // fa = (float[,]) data[i,1];
                Array[] tfa = (Array[])data[i][1];
                for (int j = 0; j < pa.Length; j += 1)
                {
                    Assertion.AssertEquals("paramTest:" + i + " " + j, (float)(i + j), pa[j]);
                }
                for (int j = 0; j < fa.Length; j += 1)
                {
                    // Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
                    Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
                }
            }

            f = new Fits();

            System.Console.Out.WriteLine("**** Create HDU from kernel *****");

            // Generate a FITS HDU from the kernel.
            f.AddHDU(Fits.MakeHDU(data));
            bf = new BufferedFile("rg2.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            System.Console.Out.WriteLine("**** Write new file *****");
            f.Write(bf);

            bf.Flush();
            bf.Close();

            System.Console.Out.WriteLine("**** Read and check *****");
            f = new Fits("rg2.fits");
            data = (Object[][])f.Read()[0].Kernel;
            for (int i = 0; i < data.Length; i += 1)
            {

                pa = (float[])data[i][0];
                //   fa = (float[,]) data[i,1];
                Array[] tfa = (Array[])data[i][1];
                for (int j = 0; j < pa.Length; j += 1)
                {
                    Assertion.AssertEquals("paramTest:" + i + " " + j, (float)(i + j), pa[j]);
                }
                for (int j = 0; j < fa.Length; j += 1)
                {
                    //Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), fa[j,j]);
                    Assertion.AssertEquals("dataTest:" + i + " " + j, (float)(i * j), ((Array)tfa.GetValue(j)).GetValue(j));
                }
            }
        }
示例#30
0
        public void ModifyTable()
        {
            Fits f = null;

            try
            {
                f = new Fits(TestFileSetup.GetTargetFilename("at1.fits"), FileAccess.ReadWrite);

                Object[] samp = GetSampleCols();

                AsciiTableHDU hdu  = (AsciiTableHDU)f.GetHDU(1);
                AsciiTable    data = (AsciiTable)hdu.GetData();
                float[]       f1   = (float[])data.GetColumn(0);
                float[]       f2   = (float[])f1.Clone();
                for (int i = 0; i < f2.Length; i += 1)
                {
                    f2[i] = 2 * f2[i];
                }

                data.SetColumn(0, f2);
                f1 = new float[] { 3.14159f };
                data.SetElement(3, 0, f1);

                hdu.SetNullString(0, "**INVALID**");
                data.SetNull(5, 0, true);
                data.SetNull(6, 0, true);

                Object[] row = new Object[5];
                row[0] = new float[] { 6.28f };
                row[1] = new int[] { 22 };
                row[2] = new long[] { 0 };
                row[3] = new double[] { -3 };
                row[4] = new String[] { "A string" };

                data.SetRow(5, row);

                data.SetElement(4, 2, new long[] { 54321 });

                BufferedFile bf = new BufferedFile(TestFileSetup.GetTargetFilename("at1x.fits"), FileAccess.ReadWrite,
                                                   FileShare.ReadWrite);
                f.Write(bf);
                bf.Flush();
                bf.Close();
                bf.Dispose();
                f.Close();

                f = new Fits(TestFileSetup.GetTargetFilename("at1x.fits"), FileAccess.Read);
                AsciiTable tab = (AsciiTable)f.GetHDU(1).Data;

                Object[] kern = (Object[])tab.Kernel;

                float[]  fx = (float[])kern[0];
                int[]    ix = (int[])kern[1];
                long[]   lx = (long[])kern[2];
                double[] dx = (double[])kern[3];
                String[] sx = (String[])kern[4];

                float[]  fy = (float[])samp[0];
                int[]    iy = (int[])samp[1];
                long[]   ly = (long[])samp[2];
                double[] dy = (double[])samp[3];
                String[] sy = (String[])samp[4];

                Assert.AreEqual(true, tab.IsNull(6, 0));
                Assert.AreEqual(false, tab.IsNull(5, 0));

                for (int i = 0; i < data.NRows; i += 1)
                {
                    if (i != 5)
                    {
                        if (i != 6)
                        {
                            // Null
                            Assert.AreEqual(1f, f2[i] / fx[i], Math.Pow(10, -6));
                        }
                        Assert.AreEqual(iy[i], ix[i]);

                        if (i == 4)
                        {
                            Assert.AreEqual(54321L, lx[i]);
                        }
                        else
                        {
                            Assert.AreEqual(ly[i], lx[i]);
                        }

                        Assert.AreEqual(1f, dy[i] / dx[i], Math.Pow(10, -14));
                        Assert.AreEqual(sy[i], sx[i].Trim());
                    }
                }
                Object[] r5 = (Object[])data.GetRow(5);
                String[] st = (String[])r5[4];
                st[0] = st[0].Trim();
                for (int i = 0; i < r5.Length; i++)
                {
                    Assert.AreEqual(true, ArrayFuncs.ArrayEquals(row[i], r5[i], Math.Pow(10, -6), Math.Pow(10, -14)));
                }
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#31
0
        public void TestSet()
        {
            Fits f = new Fits("testdocs\\bt2.fits", FileAccess.Read);

            f.Read();
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            Header         hdr  = bhdu.Header;

            // Check the various set methods on variable length data.
            float[] dta = (float[])bhdu.GetElement(4, 1);
            dta = new float[] { 22, 21, 20 };
            bhdu.SetElement(4, 1, dta);

            // BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2a.fits",FileMode.Open));
            BufferedFile bdos = new BufferedFile("bt2a.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bdos);
            bdos.Close();

            f    = new Fits("bt2a.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);
            float[] xdta = (float[])bhdu.GetElement(4, 1);

            Assertion.AssertEquals("ts1", true, ArrayFuncs.ArrayEquals(dta, xdta));
            Assertion.AssertEquals("ts2", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts5", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            Assertion.AssertEquals("ts4", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), dta));

            float[] tvf = new float[] { 101, 102, 103, 104 };
            vf[4] = tvf;

            bhdu.SetColumn(1, vf);
            Assertion.AssertEquals("ts6", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts7", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts8", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            // bdos = new BufferedDataStream(new FileStream("bt2b.fits",FileMode.Open));
            bdos = new BufferedFile("bt2b.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();
            f.Close();

            f    = new Fits("bt2b.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);
            Assertion.AssertEquals("ts9", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts10", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts11", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            Object[] rw = (Object[])bhdu.GetRow(4);

            float[] trw = new float[] { -1, -2, -3, -4, -5, -6 };
            rw[1] = trw;

            bhdu.SetRow(4, rw);
            Assertion.AssertEquals("ts12", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts13", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts14", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
            Assertion.AssertEquals("ts15", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            // bdos = new BufferedDataStream(new FileStream("bt2c.fits",FileMode.Open));
            bdos = new BufferedFile("bt2c.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();
            f.Close();

            f    = new Fits("bt2c.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);
            Assertion.AssertEquals("ts16", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts17", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts18", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
            Assertion.AssertEquals("ts19", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
            f.Close();
        }
示例#32
0
        public void TestSimpleImages()
        {
            float[][] img = new float[300][];
            for (int i = 0; i < 300; i++)
            {
                img[i] = new float[300];
            }

            Fits f = null;

            try
            {
                f = new Fits();

                ImageHDU     hdu = (ImageHDU)Fits.MakeHDU(img);
                BufferedFile bf  = new BufferedFile(
                    TestFileSetup.GetTargetFilename("ht1.fits"),
                    FileAccess.ReadWrite,
                    FileShare.ReadWrite);
                f.AddHDU(hdu);
                f.Write(bf);
                bf.Close();
                bf.Dispose();
                f.Close();

                f   = new Fits(TestFileSetup.GetTargetFilename("ht1.fits"));
                hdu = (ImageHDU)f.GetHDU(0);
                Header hdr = hdu.Header;

                Assert.AreEqual(2, hdr.GetIntValue("NAXIS"));
                Assert.AreEqual(300, hdr.GetIntValue("NAXIS1"));
                Assert.AreEqual(300, hdr.GetIntValue("NAXIS2"));
                Assert.AreEqual(300, hdr.GetIntValue("NAXIS2", -1));
                Assert.AreEqual(-1, hdr.GetIntValue("NAXIS3", -1));

                Assert.AreEqual(-32, hdr.GetIntValue("BITPIX"));

                Cursor c = hdr.GetCursor();
                c.MoveNext();
                HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
                Assert.AreEqual("SIMPLE", hc.Key);

                c.MoveNext();
                hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
                Assert.AreEqual("BITPIX", hc.Key);

                c.MoveNext();
                hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
                Assert.AreEqual("NAXIS", hc.Key);

                c.MoveNext();
                hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
                Assert.AreEqual("NAXIS1", hc.Key);

                c.MoveNext();
                hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
                Assert.AreEqual("NAXIS2", hc.Key);
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#33
0
        // Make FITS file
        public void MakeFile()
        {
            Initialize();

            Fits f = new Fits();

            // Make HDUs of various types.
            f.AddHDU(Fits.MakeHDU(bimg));
            f.AddHDU(Fits.MakeHDU(simg));
            f.AddHDU(Fits.MakeHDU(iimg));
            f.AddHDU(Fits.MakeHDU(limg));
            f.AddHDU(Fits.MakeHDU(fimg));
            f.AddHDU(Fits.MakeHDU(dimg));
            f.AddHDU(Fits.MakeHDU(img3));
            f.AddHDU(Fits.MakeHDU(img1));

            Assertion.AssertEquals("HDU count before", f.NumberOfHDUs, 8);

            // Write a FITS file.
            BufferedFile bf = new BufferedFile("image1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Flush();
            bf.Close();
        }
示例#34
0
        public void ModifyTable()
        {
            Fits f = new Fits("at1.fits", FileAccess.ReadWrite);

            Object[] samp = GetSampleCols();

            AsciiTableHDU hdu = (AsciiTableHDU)f.GetHDU(1);
            AsciiTable data = (AsciiTable)hdu.GetData();
            float[] f1 = (float[])data.GetColumn(0);
            float[] f2 = (float[])f1.Clone();
            for (int i = 0; i < f2.Length; i += 1)
            {
                f2[i] = 2 * f2[i];
            }

            data.SetColumn(0, f2);
            f1 = new float[] { 3.14159f };
            data.SetElement(3, 0, f1);

            hdu.SetNullString(0, "**INVALID**");
            data.SetNull(5, 0, true);
            data.SetNull(6, 0, true);

            Object[] row = new Object[5];
            row[0] = new float[] { 6.28f };
            row[1] = new int[] { 22 };
            row[2] = new long[] { 0 };
            row[3] = new double[] { -3 };
            row[4] = new String[] { "A string" };

            data.SetRow(5, row);

            data.SetElement(4, 2, new long[] { 54321 });

            BufferedFile bf = new BufferedFile("at1x.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Flush();
            bf.Close();
            // f.Write("at1x.fits");
            f = new Fits("at1x.fits", FileAccess.Read);
            AsciiTable tab = (AsciiTable)f.GetHDU(1).Data;
            Object[] kern = (Object[])tab.Kernel;

            float[] fx = (float[])kern[0];
            int[] ix = (int[])kern[1];
            long[] lx = (long[])kern[2];
            double[] dx = (double[])kern[3];
            String[] sx = (String[])kern[4];

            float[] fy = (float[])samp[0];
            int[] iy = (int[])samp[1];
            long[] ly = (long[])samp[2];
            double[] dy = (double[])samp[3];
            String[] sy = (String[])samp[4];

            Assertion.AssertEquals("Null", true, tab.IsNull(6, 0));
            Assertion.AssertEquals("Null2", false, tab.IsNull(5, 0));

            for (int i = 0; i < data.NRows; i += 1)
            {
                if (i != 5)
                {
                    if (i != 6)
                    {
                        // Null
                        Assertion.AssertEquals("f" + i, 1f, f2[i] / fx[i], Math.Pow(10, -6));
                    }
                    Assertion.AssertEquals("i" + i, iy[i], ix[i]);

                    if (i == 4)
                    {
                        Assertion.AssertEquals("l4", 54321L, lx[i]);
                    }
                    else
                    {
                        Assertion.AssertEquals("l" + i, ly[i], lx[i]);
                    }

                    Assertion.AssertEquals("d" + i, 1f, dy[i] / dx[i], Math.Pow(10, -14));
                    Assertion.AssertEquals("s" + i, sy[i], sx[i].Trim());
                }
            }
            Object[] r5 = (Object[])data.GetRow(5);
            String[] st = (String[])r5[4];
            st[0] = st[0].Trim();
            for (int i = 0; i < r5.Length; i++)
            {
                Assertion.AssertEquals("row5", true, ArrayFuncs.ArrayEquals(row[i], r5[i], Math.Pow(10, -6), Math.Pow(10, -14)));

            }

            //Assertion.AssertEquals("row5", true, ArrayFuncs.ArrayEquals(row, r5, Math.Pow(10,-6), Math.Pow(10,-14)));
        }
示例#35
0
            public void WriteFrameImpl(IntPtr intPtr, int p, RawFrameInfo info)
            {
                object data = MarshalToCLR(intPtr, p);
                Fits fits = new Fits();
                BasicHDU hdu = FitsFactory.HDUFactory(data);
                if ((data is short[][] || data is short[][][]) && _significantBitDepth > 8)
                {
                    hdu.AddValue("BZERO", 32768.0, "");
                }

                AddMetadataToFrame(info, hdu);

                fits.AddHDU(hdu);
                using (FileStream fs = File.Create(Path.GetTempFileName()))
                {
                    using (BufferedDataStream f = new BufferedDataStream(fs))
                    {
                        fits.Write(f);
                    }
                }
            }
示例#36
0
        public void TestRowDelete()
        {
            Fits f = new Fits("bt1.fits");
            f.Read();

            BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);

            Assertion.AssertEquals("Del1", 50, thdu.NRows);
            thdu.DeleteRows(10, 20);
            Assertion.AssertEquals("Del2", 30, thdu.NRows);

            double[] dbl = (double[])thdu.GetColumn(6);
            Assertion.AssertEquals("del3", dbl[9], doubles[9]);
            Assertion.AssertEquals("del4", dbl[10], doubles[30]);

            BufferedFile bf = new BufferedFile("bt1x.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();
            f.Close();

            f = new Fits("bt1x.fits");
            f.Read();
            thdu = (BinaryTableHDU)f.GetHDU(1);
            dbl = (double[])thdu.GetColumn(6);
            Assertion.AssertEquals("del5", 30, thdu.NRows);
            Assertion.AssertEquals("del6", 9, thdu.NCols);
            Assertion.AssertEquals("del7", dbl[9], doubles[9]);
            Assertion.AssertEquals("del8", dbl[10], doubles[30]);

            thdu.DeleteRows(20);
            Assertion.AssertEquals("del9", 20, thdu.NRows);
            dbl = (double[])thdu.GetColumn(6);
            Assertion.AssertEquals("del10", 20, dbl.Length);
            Assertion.AssertEquals("del11", dbl[0], doubles[0]);
            Assertion.AssertEquals("del12", dbl[19], doubles[39]);
            f.Close();
        }
示例#37
0
        public void TestObj()
        {
            FitsFactory.UseAsciiTables = false;

            /*** Create a binary table from an Object[][] array */
            Object[][] x = new Object[5][];
            for (int i = 0; i < 5; i += 1)
            {
                x[i] = new Object[3];

                x[i][0] = new float[] { i };

                string temp = string.Concat("AString", i);
                x[i][1] = new string[] { temp };

                int[][] t = new int[2][];
                for (int j = 0; j < 2; j++)
                {
                    t[j] = new int[2];
                    t[j][0] = j * i;
                    t[j][1] = (j + 2) * i;
                }
                x[i][2] = t;
            }

            Fits f = new Fits();
            BasicHDU hdu = Fits.MakeHDU(x);
            f.AddHDU(hdu);
            BufferedFile bf = new BufferedFile("bt5.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();

            /* Now get rid of some columns */
            BinaryTableHDU xhdu = (BinaryTableHDU)hdu;

            // First column
            Assertion.AssertEquals("delcol1", 3, xhdu.NCols);
            xhdu.DeleteColumnsIndexOne(1, 1);
            Assertion.AssertEquals("delcol2", 2, xhdu.NCols);

            xhdu.DeleteColumnsIndexZero(1, 1);
            Assertion.AssertEquals("delcol3", 1, xhdu.NCols);

            bf = new BufferedFile("bt6.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();

            f = new Fits("bt6.fits");

            xhdu = (BinaryTableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delcol4", 1, xhdu.NCols);
            f.Close();
        }
示例#38
0
        public void TestDegenerate()
        {
            String[] sa = new String[10];
            int[,] ia = new int[10, 0];
            Fits f = new Fits();

            for (int i = 0; i < sa.Length; i += 1)
            {
                sa[i] = "";
            }

            Object[] data = new Object[] { sa, ia };
            BinaryTableHDU bhdu = (BinaryTableHDU)Fits.MakeHDU(data);
            Header hdr = bhdu.Header;
            f.AddHDU(bhdu);
            BufferedFile bf = new BufferedFile("bt7.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();

            Assertion.AssertEquals("degen1", 2, hdr.GetIntValue("TFIELDS"));
            Assertion.AssertEquals("degen2", 10, hdr.GetIntValue("NAXIS2"));
            Assertion.AssertEquals("degen3", 0, hdr.GetIntValue("NAXIS1"));

            f = new Fits("bt7.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);

            hdr = bhdu.Header;
            Assertion.AssertEquals("degen4", 2, hdr.GetIntValue("TFIELDS"));
            Assertion.AssertEquals("degen5", 10, hdr.GetIntValue("NAXIS2"));
            Assertion.AssertEquals("degen6", 0, hdr.GetIntValue("NAXIS1"));
            f.Close();
        }
示例#39
0
        public void TestDegen2()
        {
            FitsFactory.UseAsciiTables = false;

            Object[] data = new Object[]{
              new String[]{"a", "b", "c", "d", "e", "f"},
              new int[]   {1,2,3,4,5,6},
              new float[] {1f,2f, 3f, 4f, 5f,6f},
              new String[]{"", "", "" , "" , "", ""},
              new String[]{"a", "", "c", "", "e", "f"},
              new String[]{"", "b", "c", "d", "e", "f"},
              new String[]{"a", "b", "c", "d", "e", ""},
              new String[]{null, null, null, null, null, null},
              new String[]{"a", null, "c", null, "e", "f"},
              new String[]{null, "b", "c", "d", "e", "f"},
              new String[]{"a", "b", "c", "d", "e", null}
            };

            Fits f = new Fits();
            f.AddHDU(Fits.MakeHDU(data));
            BufferedFile ff = new BufferedFile("bt8.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(ff);
            ff.Flush();
            ff.Close();

            f = new Fits("bt8.fits");
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);

            Assertion.AssertEquals("deg21", "e", bhdu.GetElement(4, data.Length - 1));
            Assertion.AssertEquals("deg22", "", bhdu.GetElement(5, data.Length - 1));

            String[] col = (String[])bhdu.GetColumn(0);
            Assertion.AssertEquals("deg23", "a", col[0]);
            Assertion.AssertEquals("deg24", "f", col[5]);

            col = (String[])bhdu.GetColumn(3);
            Assertion.AssertEquals("deg25", "", col[0]);
            Assertion.AssertEquals("deg26", "", col[5]);

            col = (String[])bhdu.GetColumn(7);  // All nulls
            Assertion.AssertEquals("deg27", "", col[0]);
            Assertion.AssertEquals("deg28", "", col[5]);

            col = (String[])bhdu.GetColumn(8);

            Assertion.AssertEquals("deg29", "a", col[0]);
            Assertion.AssertEquals("deg210", "", col[1]);
            f.Close();
        }
示例#40
0
文件: Fits.cs 项目: hpavlov/tangra3
        /// <summary>
        /// writes the header to fits file
        /// </summary>
        /// <param name="reader"></param>
        /// <param name="filename"></param>
        /// <param name="writeMode"></param>
        /// <param name="stringTruncationLength"></param>
        /// <param name="padStringsLeft"></param>
        /// <param name="stringPadChar"></param>
        public static void Write(IDataReader reader, String filename,
                                StreamedBinaryTableHDU.StringWriteMode writeMode, int stringTruncationLength,
                                bool padStringsLeft, char stringPadChar)
        {
            Header header = new Header();
              header.Simple = true;
              header.Bitpix = 8;
              header.Naxes = 0;

              Cursor c = header.GetCursor();
              // move to the end of the header cards
              for(c.MoveNext(); c.MoveNext(););
              // we know EXTEND isn't there yet
              c.Add("EXTEND", new HeaderCard("EXTEND", true, null));

              ImageHDU hdu1 = new ImageHDU(header, null);

              StreamedBinaryTableHDU hdu2 =
            new StreamedBinaryTableHDU(new DataReaderAdapter(reader), 4096,
            writeMode, stringTruncationLength, padStringsLeft, stringPadChar);

              Fits fits = new Fits();
              fits.AddHDU(hdu1);
              fits.AddHDU(hdu2);

              Stream s = null;
              try
              {
            s = new FileStream(filename, FileMode.Create);
            fits.Write(s);
            s.Close();
              }
              catch(Exception e)
              {
            s.Close();
            throw(e);
              }
        }
示例#41
0
        public void Delete()
        {
            Fits f = new Fits("at1.fits", FileAccess.ReadWrite);

            TableHDU th = (TableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delrBef", 50, th.NRows);

            th.DeleteRows(2, 2);
            Assertion.AssertEquals("delrAft", 48, th.NRows);

            BufferedFile bf = new BufferedFile("at1y.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Close();
            f.Close();

            f = new Fits("at1y.fits");
            th = (TableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delrAft2", 48, th.NRows);

            Assertion.AssertEquals("delcBef", 5, th.NCols);
            th.DeleteColumnsIndexZero(3, 2);
            Assertion.AssertEquals("delcAft1", 3, th.NCols);

            th.DeleteColumnsIndexZero(0, 2);
            Assertion.AssertEquals("delcAft2", 1, th.NCols);
            bf = new BufferedFile("at1z.fits", FileAccess.ReadWrite, FileShare.ReadWrite);

            f.Write(bf);
            bf.Close();
            f.Close();

            f = new Fits("at1z.fits");
            th = (TableHDU)f.GetHDU(1);
            Assertion.AssertEquals("delcAft3", 1, th.NCols);
            f.Close();
        }
        internal void SaveFitsFrame(string fileName, int width, int height, uint[] framePixels, DateTime timeStamp, float exposureSeconds)
        {
            Fits f = new Fits();

            object data = SaveImageData(width, height, framePixels);

            BasicHDU imageHDU = Fits.MakeHDU(data);

            nom.tam.fits.Header hdr = imageHDU.Header;
            hdr.AddValue("SIMPLE", "T", null);

            hdr.AddValue("BITPIX", 32, null);
            hdr.AddValue("NAXIS", 2, null);
            hdr.AddValue("NAXIS1", width, null);
            hdr.AddValue("NAXIS2", height, null);

            hdr.AddValue("NOTES", m_Note, null);

            if (exposureSeconds > 0)
                hdr.AddValue("EXPOSURE", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), "Exposure, seconds");

            hdr.AddValue("DATEOBS", timeStamp.Date.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture), m_DateObsComment);
            hdr.AddValue("TIMEOBS", timeStamp.ToString("HH:mm:ss.fff", CultureInfo.InvariantCulture), m_TimeObsComment);

            hdr.AddValue("TANGRAVE", string.Format("{0} v{1}", VersionHelper.AssemblyProduct, VersionHelper.AssemblyFileVersion), "Tangra version");

            f.AddHDU(imageHDU);

            // Write a FITS file.
            using (BufferedFile bf = new BufferedFile(fileName, FileAccess.ReadWrite, FileShare.ReadWrite))
            {
                f.Write(bf);
                bf.Flush();
            }
        }
示例#43
0
 void WriteFile(Fits f, String name)
 {
     BufferedFile bf = new BufferedFile(name, FileAccess.ReadWrite, FileShare.ReadWrite);
     f.Write(bf);
     bf.Flush();
     bf.Close();
 }
示例#44
0
        public void TestSimpleImages()
        {
            float[][] img = new float[300][];
            for (int i = 0; i < 300; i++)
                img[i] = new float[300];

            Fits f = new Fits();

            ImageHDU hdu = (ImageHDU)Fits.MakeHDU(img);

            BufferedFile bf = new BufferedFile("ht1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.AddHDU(hdu);
            f.Write(bf);
            bf.Close();

            f = new Fits("ht1.fits");
            hdu = (ImageHDU)f.GetHDU(0);
            Header hdr = hdu.Header;

            Assertion.AssertEquals("NAXIS", 2, hdr.GetIntValue("NAXIS"));
            Assertion.AssertEquals("NAXIS1", 300, hdr.GetIntValue("NAXIS1"));
            Assertion.AssertEquals("NAXIS2", 300, hdr.GetIntValue("NAXIS2"));
            Assertion.AssertEquals("NAXIS2a", 300, hdr.GetIntValue("NAXIS2", -1));
            Assertion.AssertEquals("NAXIS3", -1, hdr.GetIntValue("NAXIS3", -1));

            Assertion.AssertEquals("BITPIX", -32, hdr.GetIntValue("BITPIX"));

            Cursor c = hdr.GetCursor();
            c.MoveNext();
            HeaderCard hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("SIMPLE_1", "SIMPLE", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("BITPIX_2", "BITPIX", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("NAXIS_3", "NAXIS", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("NAXIS1_4", "NAXIS1", hc.Key);

            c.MoveNext();
            hc = (HeaderCard)((DictionaryEntry)c.Current).Value;
            Assertion.AssertEquals("NAXIS2_5", "NAXIS2", hc.Key);
            f.Close();
        }
示例#45
0
        public void TestSet()
        {
            Fits f = null;

            try
            {
                f = new Fits(TestFileSetup.GetTargetFilename("bt2.fits"), FileAccess.Read);
                f.Read();

                BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
                Header         hdr  = bhdu.Header;

                // Check the various set methods on variable length data.
                float[] dta = (float[])bhdu.GetElement(4, 1);
                dta = new float[] { 22, 21, 20 };
                bhdu.SetElement(4, 1, dta);

                BufferedFile bdos =
                    new BufferedFile(
                        TestFileSetup.GetTargetFilename("bt2a.fits"),
                        FileAccess.ReadWrite,
                        FileShare.ReadWrite);
                f.Write(bdos);
                bdos.Close();
                bdos.Dispose();
                f.Close();

                f    = new Fits(TestFileSetup.GetTargetFilename("bt2a.fits"));
                bhdu = (BinaryTableHDU)f.GetHDU(1);
                float[] xdta = (float[])bhdu.GetElement(4, 1);

                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(dta, xdta));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), dta));

                float[] tvf = new float[] { 101, 102, 103, 104 };
                vf[4] = tvf;

                bhdu.SetColumn(1, vf);
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

                bdos = new BufferedFile(
                    TestFileSetup.GetTargetFilename("bt2b.fits"),
                    FileAccess.ReadWrite,
                    FileShare.ReadWrite);
                f.Write(bdos);
                bdos.Close();
                bdos.Dispose();
                f.Close();

                f    = new Fits(TestFileSetup.GetTargetFilename("bt2b.fits"));
                bhdu = (BinaryTableHDU)f.GetHDU(1);
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

                Object[] rw = (Object[])bhdu.GetRow(4);

                float[] trw = new float[] { -1, -2, -3, -4, -5, -6 };
                rw[1] = trw;

                bhdu.SetRow(4, rw);
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
                Assert.AreEqual(false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

                // bdos = new BufferedDataStream(new FileStream("bt2c.fits",FileMode.Open));
                bdos = new BufferedFile(
                    TestFileSetup.GetTargetFilename("bt2c.fits"),
                    FileAccess.ReadWrite,
                    FileShare.ReadWrite);
                f.Write(bdos);
                bdos.Close();
                bdos.Dispose();
                f.Close();

                f    = new Fits(TestFileSetup.GetTargetFilename("bt2c.fits"));
                bhdu = (BinaryTableHDU)f.GetHDU(1);
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
                Assert.AreEqual(false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
                Assert.AreEqual(true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#46
0
        public void TestSet()
        {
            Fits f = new Fits("bt2.fits", FileAccess.Read);
            f.Read();
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            Header hdr = bhdu.Header;

            // Check the various set methods on variable length data.
            float[] dta = (float[])bhdu.GetElement(4, 1);
            dta = new float[] { 22, 21, 20 };
            bhdu.SetElement(4, 1, dta);

            // BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2a.fits",FileMode.Open));
            BufferedFile bdos = new BufferedFile("bt2a.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();

            f = new Fits("bt2a.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);
            float[] xdta = (float[])bhdu.GetElement(4, 1);

            Assertion.AssertEquals("ts1", true, ArrayFuncs.ArrayEquals(dta, xdta));
            Assertion.AssertEquals("ts2", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts5", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            Assertion.AssertEquals("ts4", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), dta));

            float[] tvf = new float[] { 101, 102, 103, 104 };
            vf[4] = tvf;

            bhdu.SetColumn(1, vf);
            Assertion.AssertEquals("ts6", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts7", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts8", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            // bdos = new BufferedDataStream(new FileStream("bt2b.fits",FileMode.Open));
            bdos = new BufferedFile("bt2b.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();
            f.Close();

            f = new Fits("bt2b.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);
            Assertion.AssertEquals("ts9", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts10", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts11", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            Object[] rw = (Object[])bhdu.GetRow(4);

            float[] trw = new float[] { -1, -2, -3, -4, -5, -6 };
            rw[1] = trw;

            bhdu.SetRow(4, rw);
            Assertion.AssertEquals("ts12", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts13", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts14", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
            Assertion.AssertEquals("ts15", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));

            // bdos = new BufferedDataStream(new FileStream("bt2c.fits",FileMode.Open));
            bdos = new BufferedFile("bt2c.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();
            f.Close();

            f = new Fits("bt2c.fits");
            bhdu = (BinaryTableHDU)f.GetHDU(1);
            Assertion.AssertEquals("ts16", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(3, 1), vf[3]));
            Assertion.AssertEquals("ts17", false, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), vf[4]));
            Assertion.AssertEquals("ts18", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(4, 1), trw));
            Assertion.AssertEquals("ts19", true, ArrayFuncs.ArrayEquals(bhdu.GetElement(5, 1), vf[5]));
            f.Close();
        }
示例#47
0
        public void BuildByRow()
        {
            Fits f = null;

            try
            {
                f = new Fits(
                    TestFileSetup.GetTargetFilename("bt2.fits"),
                    FileAccess.Read);
                f.Read();

                BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
                Header         hdr  = bhdu.Header;

                BinaryTable btab = (BinaryTable)bhdu.Data;
                for (int i = 0; i < 50; i += 1)
                {
                    Object[] row = (Object[])btab.GetRow(i);
                    float[]  qx  = (float[])row[1];
                    Array[]  p   = (Array[])row[0];
                    float[]  pt  = (float[])p.GetValue(0);
                    pt[0] = (float)(i * Math.Sin(i));
                    btab.AddRow(row);
                }
                f.Close();

                f = new Fits();
                f.AddHDU(Fits.MakeHDU(btab));

                BufferedFile bf =
                    new BufferedFile(
                        TestFileSetup.GetTargetFilename("bt4.fits"),
                        FileAccess.ReadWrite,
                        FileShare.ReadWrite);
                f.Write(bf);

                bf.Flush();
                bf.Close();
                bf.Dispose();
                f.Close();

                f = new Fits(
                    TestFileSetup.GetTargetFilename("bt4.fits"),
                    FileAccess.Read);

                btab = (BinaryTable)f.GetHDU(1).Data;
                Assert.AreEqual(100, btab.NRows);

                // Try getting data before we Read in the table.
                Array[] xf   = (Array[])btab.GetColumn(0);
                Array[] xft  = (Array[])xf.GetValue(50);
                float[] xftt = (float[])xft.GetValue(0);

                Assert.AreEqual((float)0, (float)xftt[0]);

                xft  = (Array[])xf.GetValue(99);
                xftt = (float[])xft.GetValue(0);
                Assert.AreEqual((float)(49 * Math.Sin(49)), (float)xftt[0]);

                for (int i = 0; i < xf.Length; i += 3)
                {
                    bool[]  ba = (bool[])btab.GetElement(i, 5);
                    float[] fx = (float[])btab.GetElement(i, 1);

                    int trow = i % 50;

                    Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 1
                    Assert.AreEqual(true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
                }

                // Fill the table.
                Data data = f.GetHDU(1).Data;

                xf   = (Array[])btab.GetColumn(0);
                xft  = (Array[])xf.GetValue(50);
                xftt = (float[])xft.GetValue(0);
                Assert.AreEqual(0F, (float)xftt[0]);
                xft  = (Array[])xf.GetValue(99);
                xftt = (float[])xft.GetValue(0);
                Assert.AreEqual((float)(49 * Math.Sin(49)), (float)xftt[0]);

                for (int i = 0; i < xf.Length; i += 3)
                {
                    bool[]  ba = (bool[])btab.GetElement(i, 5);
                    float[] fx = (float[])btab.GetElement(i, 1);

                    int trow = i % 50;

                    Assert.AreEqual(true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 2
                    Assert.AreEqual(true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
                }
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#48
0
        public void TestSimpleIO()
        {
            FitsFactory.UseAsciiTables = false;

            Fits f = new Fits();
            Object[] data = new Object[]{bytes, bits, bools, shorts, ints,
            floats, doubles, longs, strings};
            f.AddHDU(Fits.MakeHDU(data));

            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            bhdu.SetColumnName(0, "bytes", null);
            bhdu.SetColumnName(1, "bits", "bits later on");
            bhdu.SetColumnName(6, "doubles", null);
            bhdu.SetColumnName(5, "floats", "4 x 4 array");

            BufferedFile bf = new BufferedFile("bt1.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Flush();
            bf.Close();

            f = new Fits("bt1.fits");
            f.Read();

            Assertion.AssertEquals("NHDU", 2, f.NumberOfHDUs);

            BinaryTableHDU thdu = (BinaryTableHDU)f.GetHDU(1);
            Header hdr = thdu.Header;

            Assertion.AssertEquals("HDR1", 9, hdr.GetIntValue("TFIELDS"));
            Assertion.AssertEquals("HDR2", 2, hdr.GetIntValue("NAXIS"));
            Assertion.AssertEquals("HDR3", 8, hdr.GetIntValue("BITPIX"));
            Assertion.AssertEquals("HDR4", "BINTABLE", hdr.GetStringValue("XTENSION"));
            Assertion.AssertEquals("HDR5", "bytes", hdr.GetStringValue("TTYPE1"));
            Assertion.AssertEquals("HDR6", "doubles", hdr.GetStringValue("TTYPE7"));

            for (int i = 0; i < data.Length; i += 1)
            {
                Object col = thdu.GetColumn(i);
                if (i == 8)
                {
                    String[] st = (String[])col;

                    for (int j = 0; j < st.Length; j += 1)
                    {
                        st[j] = st[j].Trim();
                    }
                }
                Assertion.AssertEquals("Data" + i, true, ArrayFuncs.ArrayEquals(data[i], col));
            }
            f.Close();
        }
示例#49
0
        public void TestDegen2()
        {
            FitsFactory.UseAsciiTables = false;

            Object[] data = new Object[]
            {
                new String[] { "a", "b", "c", "d", "e", "f" },
                new int[] { 1, 2, 3, 4, 5, 6 },
                new float[] { 1f, 2f, 3f, 4f, 5f, 6f },
                new String[] { "", "", "", "", "", "" },
                new String[] { "a", "", "c", "", "e", "f" },
                new String[] { "", "b", "c", "d", "e", "f" },
                new String[] { "a", "b", "c", "d", "e", "" },
                new String[] { null, null, null, null, null, null },
                new String[] { "a", null, "c", null, "e", "f" },
                new String[] { null, "b", "c", "d", "e", "f" },
                new String[] { "a", "b", "c", "d", "e", null }
            };

            Fits f = null;

            try
            {
                f = new Fits();
                f.AddHDU(Fits.MakeHDU(data));
                BufferedFile ff = new BufferedFile(TestFileSetup.GetTargetFilename("bt8.fits"), FileAccess.ReadWrite,
                                                   FileShare.ReadWrite);
                f.Write(ff);
                ff.Flush();
                ff.Close();
                f.Close();

                f = new Fits(TestFileSetup.GetTargetFilename("bt8.fits"));
                BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);

                Assert.AreEqual("e", bhdu.GetElement(4, data.Length - 1));
                Assert.AreEqual("", bhdu.GetElement(5, data.Length - 1));

                String[] col = (String[])bhdu.GetColumn(0);
                Assert.AreEqual("a", col[0]);
                Assert.AreEqual("f", col[5]);

                col = (String[])bhdu.GetColumn(3);
                Assert.AreEqual("", col[0]);
                Assert.AreEqual("", col[5]);

                col = (String[])bhdu.GetColumn(7);  // All nulls
                Assert.AreEqual("", col[0]);
                Assert.AreEqual("", col[5]);

                col = (String[])bhdu.GetColumn(8);

                Assert.AreEqual("a", col[0]);
                Assert.AreEqual("", col[1]);
            }
            finally
            {
                if (f != null)
                {
                    f.Close();
                }
            }
        }
示例#50
0
        public void TestVar()
        {
            Object[] data = new Object[] { floats, vf, vs, vd, shorts, vbool };
            Fits f = new Fits();
            f.AddHDU(Fits.MakeHDU(data));

            //BufferedDataStream bdos = new BufferedDataStream(new FileStream("bt2.fits", FileMode.Open, FileAccess.ReadWrite));
            BufferedFile bdos = new BufferedFile("bt2.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bdos);
            bdos.Close();

            f = new Fits("bt2.fits", FileAccess.Read);
            f.Read();
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            Header hdr = bhdu.Header;

            Assertion.AssertEquals("var1", true, hdr.GetIntValue("PCOUNT") > 0);
            Assertion.AssertEquals("var2", 6, hdr.GetIntValue("TFIELDS"));

            for (int i = 0; i < data.Length; i += 1)
            {
                Assertion.AssertEquals("vardata(" + i + ")", true, ArrayFuncs.ArrayEquals(data[i], bhdu.GetColumn(i)));
            }
        }
示例#51
0
        internal static void SaveDarkOrFlatFrame(string fileName, int width, int height, string notes, float[,] averagedData, float exposureSeconds, int numFrames)
        {
            Fits f = new Fits();

            object data = SaveImageData(width, height, averagedData);

            BasicHDU imageHDU = Fits.MakeHDU(data);

            nom.tam.fits.Header hdr = imageHDU.Header;
            hdr.AddValue("SIMPLE", "T", null);

            hdr.AddValue("BITPIX", -32 /* Floating Point Data*/, null);
            hdr.AddValue("NAXIS", 2, null);
            hdr.AddValue("NAXIS1", width, null);
            hdr.AddValue("NAXIS2", height, null);

            if (notes.Length > HeaderCard.MAX_VALUE_LENGTH) notes = notes.Substring(0, HeaderCard.MAX_VALUE_LENGTH);
            hdr.AddValue("NOTES", notes, null);

            if (exposureSeconds > 0)
            {
                hdr.AddValue("EXPOSURE", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), null);
                hdr.AddValue("EXPTIME", exposureSeconds.ToString("0.000", CultureInfo.InvariantCulture), null);
            }

            hdr.AddValue("SNAPSHOT", numFrames.ToString(), null);
            hdr.AddValue("TANGRAVE", string.Format("{0} v{1}", VersionHelper.AssemblyProduct, VersionHelper.AssemblyFileVersion), null);
            if (TangraConfig.Settings.Generic.ReverseGammaCorrection)
                hdr.AddValue("TANGAMMA", TangraConfig.Settings.Photometry.EncodingGamma.ToString("0.0000", CultureInfo.InvariantCulture), null);
            if (TangraConfig.Settings.Generic.ReverseCameraResponse)
                hdr.AddValue("TANCMRSP", ((int)TangraConfig.Settings.Photometry.KnownCameraResponse).ToString(CultureInfo.InvariantCulture), null);

            f.AddHDU(imageHDU);

            // Write a FITS file.
            using (BufferedFile bf = new BufferedFile(fileName, FileAccess.ReadWrite, FileShare.ReadWrite))
            {
                f.Write(bf);
                bf.Flush();
            }
        }
示例#52
0
        public void BuildByRow()
        {
            Fits f = new Fits("bt2.fits", FileAccess.Read);
            f.Read();
            BinaryTableHDU bhdu = (BinaryTableHDU)f.GetHDU(1);
            Header hdr = bhdu.Header;
            BinaryTable btab = (BinaryTable)bhdu.Data;
            for (int i = 0; i < 50; i += 1)
            {
                Object[] row = (Object[])btab.GetRow(i);
                float[] qx = (float[])row[1];
                Array[] p = (Array[])row[0];
                float[] pt = (float[])p.GetValue(0);
                pt[0] = (float)(i * Math.Sin(i));
                btab.AddRow(row);
            }

            f = new Fits();
            f.AddHDU(Fits.MakeHDU(btab));
            BufferedFile bf = new BufferedFile("bt4.fits", FileAccess.ReadWrite, FileShare.ReadWrite);
            f.Write(bf);
            bf.Flush();
            bf.Close();

               f = new Fits("bt4.fits", FileAccess.Read);

            btab = (BinaryTable)f.GetHDU(1).Data;
            Assertion.AssertEquals("row1", 100, btab.nRow);

            // Try getting data before we Read in the table.

            Array[] xf = (Array[])btab.GetColumn(0);
            Array[] xft = (Array[])xf.GetValue(50);
            float[] xftt = (float[])xft.GetValue(0);
            Assertion.AssertEquals("row2", (float)0, (float)xftt[0]);
            xft = (Array[])xf.GetValue(99);
            xftt = (float[])xft.GetValue(0);
            Assertion.AssertEquals("row3", (float)(49 * Math.Sin(49)), (float)xftt[0]);

            for (int i = 0; i < xf.Length; i += 3)
            {
                bool[] ba = (bool[])btab.GetElement(i, 5);
                float[] fx = (float[])btab.GetElement(i, 1);

                int trow = i % 50;

                Assertion.AssertEquals("row4", true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 1
                Assertion.AssertEquals("row6", true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
            }
            // Fill the table.
            Data data = f.GetHDU(1).Data;

            xf = (Array[])btab.GetColumn(0);
            xft = (Array[])xf.GetValue(50);
            xftt = (float[])xft.GetValue(0);
            Assertion.AssertEquals("row7", 0F, (float)xftt[0]);
            xft = (Array[])xf.GetValue(99);
            xftt = (float[])xft.GetValue(0);
            Assertion.AssertEquals("row8", (float)(49 * Math.Sin(49)), (float)xftt[0]);

            for (int i = 0; i < xf.Length; i += 3)
            {
                bool[] ba = (bool[])btab.GetElement(i, 5);
                float[] fx = (float[])btab.GetElement(i, 1);

                int trow = i % 50;

                Assertion.AssertEquals("row9", true, ArrayFuncs.ArrayEquals(ba, vbool[trow])); // prob 2
                Assertion.AssertEquals("row11", true, ArrayFuncs.ArrayEquals(fx, vf[trow]));
            }
            f.Close();
        }