Exemplo n.º 1
0
 /// <summary>Create a null binary table data segment.</summary>
 /// <exception cref="TableException"> TableException</exception>
 public BinaryTable()
 {
     try
     {
         table = new ColumnTable(new Object[0], new int[0]);
     }
     catch (TableException e)
     {
         Console.Error.WriteLine("Impossible exception in BinaryTable() constructor" + e);
     }
     heap = new FitsHeap(0);
     ExtendArrays(0);
     nRow = 0;
     nCol = 0;
     rowLen = 0;
 }
Exemplo n.º 2
0
        /// <summary>Create a binary table from existing data in column order.</summary>
        public BinaryTable(Object[] o)
        {
            heap = new FitsHeap(0);
            modelRow = new Object[o.Length];
            ExtendArrays(o.Length);

            for (int i=0; i<o.Length; i += 1)
            {
                AddColumn(o[i]);
            }
        }
Exemplo n.º 3
0
        /// <summary>Create a binary table from an existing ColumnTable.</summary>
        public BinaryTable(ColumnTable tab)
        {
            nCol = tab.NCols;
            ExtendArrays(nCol);

            bases = tab.Bases;
            sizes = tab.Sizes;

            modelRow = new Object[nCol];
            dimens   = new int[nCol][];

            // Set all flags to 0.
            flags    = new int[nCol];

            // Set the column dimension.  Note that
            // we cannot distinguish an array of length 1 from a
            // scalar here: we assume a scalar.
            for (int col=0; col<nCol; col += 1)
            {
                if (sizes[col] !=  1)
                {
                    dimens[col] = new int[]{sizes[col]};
                }
                else
                {
                    dimens[col] = new int[0];
                }
            }

            for (int col=0; col < nCol; col += 1)
            {
                modelRow[col] = ArrayFuncs.NewInstance(bases[col], sizes[col]);
            }

            columns = null;
            table = tab;

            heap   = new FitsHeap(0);
            rowLen = 0;
            for (int col = 0; col < nCol; col += 1)
            {
                rowLen += sizes[col] * ArrayFuncs.GetBaseLength(tab.GetColumn(col));
            }
            heapOffset = 0 ;
            nRow = tab.NRows;
        }
Exemplo n.º 4
0
        /// <summary>Create a binary table from given header information.</summary>
        /// <param name="myHeader">header describing what the binary table should look like.</param>
        public BinaryTable(Header myHeader)
        {
            int heapSize = myHeader.GetIntValue("PCOUNT");
            heapOffset = myHeader.GetIntValue("THEAP");

            // .99.1 changes: changed the sequence of code lines.
            int rwsz = myHeader.GetIntValue("NAXIS1");
            nRow = myHeader.GetIntValue("NAXIS2");

            // Subtract out the size of the regular table from
            // the heap offset.

            if (heapOffset > 0)
            {
                heapOffset -= nRow * rwsz;
            }

            if (heapOffset < 0 || heapOffset > heapSize)
            {
                throw new FitsException("Inconsistent THEAP and PCOUNT");
            }

            heap = new FitsHeap(heapSize - heapOffset);
            nCol = myHeader.GetIntValue("TFIELDS");
            rowLen = 0;

            ExtendArrays(nCol);
            for (int col = 0; col < nCol; col += 1)
            {
                rowLen += ProcessCol(myHeader, col);
            }

            // .99.1 changes: Added to replace new value of NAXIS1 keyword.
            HeaderCard card = myHeader.FindCard("NAXIS1");
            card.Value = rowLen.ToString();
            myHeader.UpdateLine("NAXIS1", card);
        }