示例#1
0
        /// <summary>
        /// Reads <c>miMATRIX</c> from the input stream.
        /// </summary>
        /// <remarks>
        /// If reading was not finished (which is normal for filtered results)
        /// returns <c>null</c>.
        /// </remarks>
        /// <param name="buf">The <c>BinaryReader</c> input stream.</param>
        /// <param name="isRoot">When <c>true</c> informs that if this is a top level
        /// matrix.</param>
        /// <returns><c>MLArray</c> or <c>null</c> if matrix does not match <c>filter</c></returns>
        private MLArray ReadMatrix(Stream buf, bool isRoot)
        {
            // result
            MLArray  mlArray = null;
            ISMatTag tag;

            // read flags
            int[] flags      = ReadFlags(buf);
            int   attributes = (flags.Length != 0) ? flags[0] : 0;
            int   nzmax      = (flags.Length != 0) ? flags[1] : 0;
            int   type       = attributes & 0xff;

            // read Array dimension
            int[] dims = ReadDimension(buf);

            // read Array name
            string name = ReadName(buf);

            // If this array is filtered out return immediately
            if (isRoot && !_filter.Matches(name))
            {
                return(null);
            }

            // read data
            switch (type)
            {
            case MLArray.mxSTRUCT_CLASS:
                MLStructure mlStruct = new MLStructure(name, dims, type, attributes);

                BinaryReader br = new BinaryReader(buf);

                // field name length - this subelement always uses the compressed data element format
                tag = new ISMatTag(br.BaseStream);
                int maxlen = br.ReadInt32();

                // Read fields data as Int8
                tag = new ISMatTag(br.BaseStream);
                // calculate number of fields
                int numOfFields = tag.Size / maxlen;

                // padding after field names
                int padding = (tag.Size % 8) != 0 ? 8 - tag.Size % 8 : 0;

                string[] fieldNames = new string[numOfFields];
                for (int i = 0; i < numOfFields; i++)
                {
                    byte[] names = new byte[maxlen];
                    br.Read(names, 0, names.Length);
                    fieldNames[i] = ZeroEndByteArrayToString(names);
                }
                br.ReadBytes(padding);

                // read fields
                for (int index = 0; index < mlStruct.M * mlStruct.N; index++)
                {
                    for (int i = 0; i < numOfFields; i++)
                    {
                        // read matrix recursively
                        tag = new ISMatTag(br.BaseStream);
                        if (tag.Size > 0)
                        {
                            MLArray fieldValue = ReadMatrix(br.BaseStream, false);
                            mlStruct[fieldNames[i], index] = fieldValue;
                        }
                        else
                        {
                            mlStruct[fieldNames[i], index] = new MLEmptyArray();
                        }
                    }
                }
                mlArray = mlStruct;
                //br.Close();
                break;

            case MLArray.mxCELL_CLASS:
                MLCell cell = new MLCell(name, dims, type, attributes);
                for (int i = 0; i < cell.M * cell.N; i++)
                {
                    tag = new ISMatTag(buf);
                    if (tag.Size > 0)
                    {
                        MLArray cellmatrix = ReadMatrix(buf, false);
                        cell[i] = cellmatrix;
                    }
                    else
                    {
                        cell[i] = new MLEmptyArray();
                    }
                }
                mlArray = cell;
                break;

            case MLArray.mxDOUBLE_CLASS:
                mlArray = new MLDouble(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <double>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <double>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxSINGLE_CLASS:
                mlArray = new MLSingle(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <float>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <float>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxUINT8_CLASS:
                mlArray = new MLUInt8(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <byte>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <byte>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxINT8_CLASS:
                mlArray = new MLInt8(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <sbyte>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <sbyte>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxUINT16_CLASS:
                mlArray = new MLUInt16(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);

                tag.ReadToByteBuffer(((MLNumericArray <ushort>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <ushort>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxINT16_CLASS:
                mlArray = new MLInt16(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <short>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <short>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxUINT32_CLASS:
                mlArray = new MLUInt32(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);

                tag.ReadToByteBuffer(((MLNumericArray <uint>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <uint>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxINT32_CLASS:
                mlArray = new MLInt32(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <int>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <int>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxUINT64_CLASS:
                mlArray = new MLUInt64(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <ulong>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <ulong>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxINT64_CLASS:
                mlArray = new MLInt64(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                tag.ReadToByteBuffer(((MLNumericArray <long>)mlArray).RealByteBuffer,
                                     (IByteStorageSupport)mlArray);

                // read complex
                if (mlArray.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    tag.ReadToByteBuffer(((MLNumericArray <long>)mlArray).ImaginaryByteBuffer,
                                         (IByteStorageSupport)mlArray);
                }
                break;

            case MLArray.mxCHAR_CLASS:
                MLChar mlchar = new MLChar(name, dims, type, attributes);
                //read real
                tag = new ISMatTag(buf);
                char[] ac = tag.ReadToCharArray();
                for (int i = 0; i < ac.Length; i++)
                {
                    mlchar.SetChar(ac[i], i);
                }
                mlArray = mlchar;
                break;

            case MLArray.mxSPARSE_CLASS:
                MLSparse sparse = new MLSparse(name, dims, attributes, nzmax);

                // read ir (row indices)
                tag = new ISMatTag(buf);
                int[] ir = tag.ReadToIntArray();
                // read jc (column indices)
                tag = new ISMatTag(buf);
                int[] jc = tag.ReadToIntArray();

                // read pr (real part)
                tag = new ISMatTag(buf);
                double[] ad1 = tag.ReadToDoubleArray();
                int      n   = 0;
                for (int i = 0; i < ir.Length; i++)
                {
                    if (i < sparse.N)
                    {
                        n = jc[i];
                    }
                    sparse.SetReal(ad1[i], ir[i], n);
                }

                //read pi (imaginary part)
                if (sparse.IsComplex)
                {
                    tag = new ISMatTag(buf);
                    double[] ad2 = tag.ReadToDoubleArray();

                    int n1 = 0;
                    for (int i = 0; i < ir.Length; i++)
                    {
                        if (i < sparse.N)
                        {
                            n1 = jc[i];
                        }
                        sparse.SetImaginary(ad2[i], ir[i], n1);
                    }
                }
                mlArray = sparse;
                break;

            default:
                throw new MatlabIOException("Incorrect Matlab array class: " + MLArray.TypeToString(type));
            }
            return(mlArray);
        }
示例#2
0
        public void Export(string filename)
        {
            double[][] p = new double[point.GetLength(0)][];
            for (int n = 0; n < point.GetLength(0); n++)
            {
                p[n] = new double[2];
                for (int m = 0; m < 2; m++)
                {
                    p[n][m] = point[n, m];
                }
            }

            int[][] e = new int[element.GetLength(0)][];
            for (int n = 0; n < element.GetLength(0); n++)
            {
                e[n] = new int[3];
                for (int m = 0; m < 3; m++)
                {
                    e[n][m] = element[n, m];
                }
            }


            int N = 0;

            foreach (var paramet in cutParam.Values)
            {
                if (paramet.Cut != null)
                {
                    N++;
                }
            }

            int k  = 0;
            int k0 = 0;

            double[][] c   = new double[N][];
            double[][] eps = new double[element.GetLength(0)][];
            foreach (var item in cutParam)
            {
                if (item.Value.Cut != null)
                {
                    c[k]    = new double[4];
                    c[k][0] = item.Key.extID;
                    c[k][1] = item.Value.T1;
                    c[k][2] = item.Value.T2;
                    c[k][3] = item.Value.T3;
                    k++;
                }

                eps[k0]    = new double[2];
                eps[k0][0] = item.Key.extID;
                eps[k0][1] = item.Value.Eps;

                k0++;
            }

            double[][] q = new double[point.GetLength(0)][];
            if (pref.WeightFunctionCalculate)
            {
                k = 0;
                foreach (var item in weightfunc)
                {
                    q[k] = new double[4];

                    q[k][0] = item.Key.extID;
                    q[k][1] = item.Value.q;
                    q[k][2] = item.Value.qx;
                    q[k][3] = item.Value.qy;

                    k++;
                }
            }

            MLDouble mlPoint   = new MLDouble(pref.VertexMatrixName, p);
            MLInt32  mlElement = new MLInt32(pref.ElementMatrixName, e);
            MLDouble mlCut     = new MLDouble(pref.CutTriangleMatrixName, c);

            List <MLArray> mlList = new List <MLArray>();

            mlList.Add(mlPoint);
            mlList.Add(mlElement);
            mlList.Add(mlCut);

            if (pref.CalcAreaRelation)
            {
                MLDouble mlEps = new MLDouble(pref.AreaRelationMatrixName, eps);
                mlList.Add(mlEps);
            }

            if (pref.WeightFunctionCalculate)
            {
                MLDouble mlq = new MLDouble(pref.WeightFunctionMatrixName, q);
                mlList.Add(mlq);
            }

            MatFileWriter mfr = new MatFileWriter(filename, mlList, false);
        }