bool CProfileFromPoints::On_Execute(void){ CSG_Table* pTable; CSG_Table* pProfileTable; CSG_Table_Record* pRecord; CSG_Grid* pGrid; int iXField, iYField; int i; int x1,x2,y1,y2; float fPartialDist; float fDist = 0; pGrid = Parameters("GRID")->asGrid(); pTable = Parameters("TABLE")->asTable(); pProfileTable = Parameters("RESULT")->asTable(); iXField = Parameters("X")->asInt(); iYField = Parameters("Y")->asInt(); pProfileTable->Create((CSG_Table*)NULL); pProfileTable->Set_Name(_TL("Profile")); pProfileTable->Add_Field(_TL("Distance"), SG_DATATYPE_Double); pProfileTable->Add_Field("Z", SG_DATATYPE_Double); for (i = 0; i < pTable->Get_Record_Count()-1; i++){ x1=(int)(0.5 + (pTable->Get_Record(i )->asDouble(iXField) - pGrid->Get_XMin()) / pGrid->Get_Cellsize()); x2=(int)(0.5 + (pTable->Get_Record(i+1)->asDouble(iXField) - pGrid->Get_XMin()) / pGrid->Get_Cellsize()); y1=(int)(0.5 + (pTable->Get_Record(i )->asDouble(iYField) - pGrid->Get_YMin()) / pGrid->Get_Cellsize()); y2=(int)(0.5 + (pTable->Get_Record(i+1)->asDouble(iYField) - pGrid->Get_YMin()) / pGrid->Get_Cellsize()); int x = x1, y = y1, D = 0, HX = x2 - x1, HY = y2 - y1, c, M, xInc = 1, yInc = 1, iLastX = x1, iLastY = y1; if (HX < 0) { xInc = -1; HX = -HX; }//if if (HY < 0) { yInc = -1; HY = -HY; }//if if (HY <= HX) { c = 2 * HX; M = 2 * HY; for (;;) { fPartialDist = (float)(M_GET_LENGTH(x-iLastX, y-iLastY) * pGrid->Get_Cellsize()); if (pGrid->is_InGrid(x,y) && fPartialDist){ fDist+=fPartialDist; pRecord = pProfileTable->Add_Record(); pRecord->Set_Value(0, fDist); pRecord->Set_Value(1, pGrid->asFloat(x,y)); }//if iLastX = x; iLastY = y; if (x == x2) { break; }// if x += xInc; D += M; if (D > HX) { y += yInc; D -= c; }// if }// for }// if else { c = 2 * HY; M = 2 * HX; for (;;) { fPartialDist = (float)(M_GET_LENGTH(x-iLastX, y-iLastY) * pGrid->Get_Cellsize()); if (pGrid->is_InGrid(x,y) && fPartialDist){ fDist+=fPartialDist; pRecord = pProfileTable->Add_Record(); pRecord->Set_Value(0, fDist); pRecord->Set_Value(1, pGrid->asFloat(x,y)); }//if iLastX = x; iLastY = y; if (y == y2) { break; }// if y += yInc; D += M; if (D > HY) { x += xInc; D -= c; }// if }// for }// else }//for return true; }// method
//--------------------------------------------------------- bool CSurfer_Export::On_Execute(void) { const char ID_BINARY[] = "DSBB"; FILE *Stream; CSG_Grid *pGrid = Parameters("GRID")->asGrid(); CSG_String File = Parameters("FILE")->asString(); bool bNoData = Parameters("NODATA")->asBool(); switch( Parameters("FORMAT")->asInt() ) { //----------------------------------------------------- case 0: // Surfer 6 - Binary... if( (Stream = fopen(File.b_str(), "wb")) != NULL ) { short sValue; double dValue; fwrite(ID_BINARY, 4, sizeof(char), Stream); sValue = (short)pGrid->Get_NX (); fwrite(&sValue, 1, sizeof(short ), Stream); sValue = (short)pGrid->Get_NY (); fwrite(&sValue, 1, sizeof(short ), Stream); dValue = pGrid->Get_XMin(); fwrite(&dValue, 1, sizeof(double), Stream); dValue = pGrid->Get_XMax(); fwrite(&dValue, 1, sizeof(double), Stream); dValue = pGrid->Get_YMin(); fwrite(&dValue, 1, sizeof(double), Stream); dValue = pGrid->Get_YMax(); fwrite(&dValue, 1, sizeof(double), Stream); dValue = pGrid->Get_Min (); fwrite(&dValue, 1, sizeof(double), Stream); dValue = pGrid->Get_Max (); fwrite(&dValue, 1, sizeof(double), Stream); //--------------------------------------------- float *fLine = (float *)SG_Malloc(pGrid->Get_NX() * sizeof(float)); for(int y=0; y<pGrid->Get_NY() && Set_Progress(y, pGrid->Get_NY()); y++) { for(int x=0; x<pGrid->Get_NX(); x++) { fLine[x] = bNoData && pGrid->is_NoData(x, y) ? NODATAVALUE : pGrid->asFloat(x, y); } fwrite(fLine, pGrid->Get_NX(), sizeof(float), Stream); } SG_Free(fLine); fclose(Stream); return( true ); } break; //----------------------------------------------------- case 1: // Surfer - ASCII... if( (Stream = fopen(File.b_str(), "w")) != NULL ) { fprintf(Stream, "DSAA\n"); fprintf(Stream, "%d %d\n", pGrid->Get_NX (), pGrid->Get_NY ()); fprintf(Stream, "%f %f\n", pGrid->Get_XMin(), pGrid->Get_XMax()); fprintf(Stream, "%f %f\n", pGrid->Get_YMin(), pGrid->Get_YMax()); fprintf(Stream, "%f %f\n", pGrid->Get_Min (), pGrid->Get_Max ()); //--------------------------------------------- for(int y=0; y<pGrid->Get_NY() && Set_Progress(y, pGrid->Get_NY()); y++) { for(int x=0; x<pGrid->Get_NX(); x++) { fprintf(Stream, "%f ", bNoData && pGrid->is_NoData(x, y) ? NODATAVALUE : pGrid->asFloat(x, y)); } fprintf(Stream, "\n"); } fclose(Stream); return( true ); } break; } //----------------------------------------------------- return( false ); }