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/* Copyright (c) 1984-98 by The MathWorks, Inc. */ /* * hdfgd.c --- support file for HDF.MEX * * This module supports the HDF-EOS GD interface. The only public * function is hdfGD(), which is called by mexFunction(). * hdfGD looks at the second input argument to determine which * private function should get control. * */ /* $Revision: 1.8 $ $Date: 1998/08/06 21:17:21 $ */ static char rcsid[] = "$Id: hdfgd.c,v 1.8 1998/08/06 21:17:21 clay Exp $"; #include <string.h> #include <math.h> /* Main HDF library header file */ #include "hdf.h" /* MATLAB API header file */ #include "mex.h" /* HDFMEX utility functions */ #include "hdfutils.h" /* HDF-EOS header file */ #include "HdfEosDef.h" #define NUM_PROJ_PARMS 16 #define BUFLEN 128 /* * GetProjParm * * Purpose: Fill in projection parameter vector from MATLAB array. * * Inputs: inStr --- MATLAB array; should be NUM_PROJ_PARMS-element array * Outputs: proj_parm[NUM_PROJ_PARMS] --- projection parameters * Return: none */ static void GetProjParm(const mxArray *array, float64 proj_parm[NUM_PROJ_PARMS]) { double *pr; int k; int num_elements = mxGetNumberOfElements(array); if (! mxIsDouble(array) || (num_elements > NUM_PROJ_PARMS)) { mexErrMsgTxt("Invalid projection parameter vector."); } pr = mxGetPr(array); for (k = 0; k < num_elements; k++) { proj_parm[k] = pr[k]; } for (k = num_elements; k < NUM_PROJ_PARMS; k++) { proj_parm[k] = 0; } } /* * GetProjCode * * Purpose: Given MATLAB string array, return HDF-EOS projection code * * Inputs: inStr --- MATLAB string array * Outputs: none * Return: HDF-EOS projection code; errors out if none found */ static int32 GetProjCode(const mxArray *inStr) { static struct { char *longStr; char *shortStr; int32 code; } projCodes[] = { {"gctp_geo", "geo", GCTP_GEO}, {"gctp_utm", "utm", GCTP_UTM}, {"gctp_lamcc", "lamcc", GCTP_LAMCC}, {"gctp_ps", "ps", GCTP_PS}, {"gctp_polyc", "polyc", GCTP_POLYC}, {"gctp_tm", "tm", GCTP_TM}, {"gctp_lamaz", "lamaz", GCTP_LAMAZ}, {"gctp_hom", "hom", GCTP_HOM}, {"gctp_som", "som", GCTP_SOM}, {"gctp_good", "good", GCTP_GOOD}, {"gctp_isinus", "isinus", GCTP_ISINUS} }; static int numCodes = sizeof(projCodes) / sizeof(*projCodes); char buffer[BUFLEN]; int32 projCode; int k = 0; bool codeFound = false; if (!mxIsChar(inStr)) { mexErrMsgTxt("Projection code must be a string."); } mxGetString(inStr, buffer, BUFLEN); for (k = 0; k < numCodes; k++) { if ((haStrcmpi(buffer, projCodes[k].longStr) == 0) || (haStrcmpi(buffer, projCodes[k].shortStr) == 0)) { projCode = projCodes[k].code; codeFound = true; break; } } if (! codeFound) { mexErrMsgTxt("Invalid projection code."); } return(projCode); } /* * GetOriginCode * * Purpose: Given MATLAB string array, return HDF-EOS origin code * * Inputs: inStr --- MATLAB string array * Outputs: none * Return: HDF-EOS origin code; errors out if none found */ static int32 GetOriginCode(const mxArray *inStr) { static struct { char *longStr; char *shortStr; int32 code; } originCodes[] = { {"hdfe_gd_ul", "ul", HDFE_GD_UL}, {"hdfe_gd_ur", "ur", HDFE_GD_UR}, {"hdfe_gd_ll", "ll", HDFE_GD_LL}, {"hdfe_gd_lr", "lr", HDFE_GD_LR} }; static int numCodes = sizeof(originCodes) / sizeof(*originCodes); char buffer[BUFLEN]; int32 originCode; int k = 0; bool codeFound = false; if (!mxIsChar(inStr)) { mexErrMsgTxt("Origin code must be a string."); } mxGetString(inStr, buffer, BUFLEN); for (k = 0; k < numCodes; k++) { if ((haStrcmpi(buffer, originCodes[k].longStr) == 0) || (haStrcmpi(buffer, originCodes[k].shortStr) == 0)) { originCode = originCodes[k].code; codeFound = true; break; } } if (! codeFound) { mexErrMsgTxt("Invalid origin code."); } return(originCode); } int32 GetEntryCode(const mxArray *inStr) { static struct { char *longStr; char *shortStr; int32 code; } entryCodes[] = { {"hdfe_nentdim", "nentdim", HDFE_NENTDIM}, {"hdfe_nentdfld", "nentdfld", HDFE_NENTDFLD} }; static int numCodes = sizeof(entryCodes) / sizeof(*entryCodes); char buffer[BUFLEN]; int32 entryCode; int k = 0; bool codeFound = false; if (!mxIsChar(inStr)) { mexErrMsgTxt("Entry code must be a string."); } mxGetString(inStr, buffer, BUFLEN); for (k = 0; k < numCodes; k++) { if ((haStrcmpi(buffer, entryCodes[k].longStr) == 0) || (haStrcmpi(buffer, entryCodes[k].shortStr) == 0)) { entryCode = entryCodes[k].code; codeFound = true; break; } } if (! codeFound) { mexErrMsgTxt("Invalid entry code."); } return(entryCode); } int32 GetPixReg(const mxArray *inStr) { static struct { char *longStr; char *shortStr; int32 code; } codes[] = { {"hdfe_center", "center", HDFE_CENTER}, {"hdfe_corner", "corner", HDFE_CORNER} }; static int numCodes = sizeof(codes) / sizeof(*codes); char buffer[BUFLEN]; int32 code; int k = 0; bool codeFound = false; if (!mxIsChar(inStr)) { mexErrMsgTxt("Registration code must be a string."); } mxGetString(inStr, buffer, BUFLEN); for (k = 0; k < numCodes; k++) { if ((haStrcmpi(buffer, codes[k].longStr) == 0) || (haStrcmpi(buffer, codes[k].shortStr) == 0)) { code = codes[k].code; codeFound = true; break; } } if (! codeFound) { mexErrMsgTxt("Invalid registration code."); } return(code); } int32 GetTileCode(const mxArray *inStr) { static struct { char *longStr; char *shortStr; int32 code; } codes[] = { {"hdfe_tile", "tile", HDFE_TILE}, {"hdfe_notile", "notile", HDFE_NOTILE} }; static int numCodes = sizeof(codes) / sizeof(*codes); char buffer[BUFLEN]; int32 code; int k = 0; bool codeFound = false; if (!mxIsChar(inStr)) { mexErrMsgTxt("Tile code must be a string."); } mxGetString(inStr, buffer, BUFLEN); for (k = 0; k < numCodes; k++) { if ((haStrcmpi(buffer, codes[k].longStr) == 0) || (haStrcmpi(buffer, codes[k].shortStr) == 0)) { code = codes[k].code; codeFound = true; break; } } if (! codeFound) { mexErrMsgTxt("Invalid tile code."); } return(code); } /* * GetCompressionStringFromCode * * Purpose: Return an mxArray containing the string corresponding to the * given compression code. * * Inputs: int32 compcode * * Outputs: none * * Returns: mxArray compressionString */ static mxArray *GetCompressionStringFromCode(int32 compcode) { mxArray *compstring; if (compcode == HDFE_COMP_RLE) compstring = mxCreateString("rle"); else if (compcode ==