- Timestamp:
- Jun 2, 2017, 6:03:41 PM (8 years ago)
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branches/ms-style/zoo-project/zoo-kernel/service_internal_ms.c
r781 r830 34 34 #include "server_internal.h" 35 35 #include "response_print.h" 36 37 static double PRECISION = 0.001; 38 static int MAX_NUMBER_STRING_SIZE = 32; 39 40 /** 41 * Double to ASCII 42 */ 43 char * dtoa(char *s, double n) { 44 45 // handle special cases 46 if (isnan(n)) { 47 strcpy(s, "nan"); 48 } else if (isinf(n)) { 49 strcpy(s, "inf"); 50 } else if (n == 0.0) { 51 strcpy(s, "0"); 52 } else { 53 int digit, m, m1; 54 char *c = s; 55 int neg = (n < 0); 56 if (neg) 57 n = -n; 58 // calculate magnitude 59 m = log10(n); 60 int useExp = (m >= 14 || (neg && m >= 9) || m <= -9); 61 if (neg) 62 *(c++) = '-'; 63 // set up for scientific notation 64 if (useExp) { 65 if (m < 0) 66 m -= 1.0; 67 n = n / pow(10.0, m); 68 m1 = m; 69 m = 0; 70 } 71 if (m < 1.0) { 72 m = 0; 73 } 74 // convert the number 75 while (n > PRECISION || m >= 0) { 76 double weight = pow(10.0, m); 77 if (weight > 0 && !isinf(weight)) { 78 digit = floor(n / weight); 79 n -= (digit * weight); 80 *(c++) = '0' + digit; 81 } 82 if (m == 0 && n > 0) 83 *(c++) = '.'; 84 m--; 85 } 86 if (useExp) { 87 // convert the exponent 88 int i, j; 89 *(c++) = 'e'; 90 if (m1 > 0) { 91 *(c++) = '+'; 92 } else { 93 *(c++) = '-'; 94 m1 = -m1; 95 } 96 m = 0; 97 while (m1 > 0) { 98 *(c++) = '0' + m1 % 10; 99 m1 /= 10; 100 m++; 101 } 102 c -= m; 103 for (i = 0, j = m-1; i<j; i++, j--) { 104 // swap without temporary 105 c[i] ^= c[j]; 106 c[j] ^= c[i]; 107 c[i] ^= c[j]; 108 } 109 c += m; 110 } 111 *(c) = '\0'; 112 } 113 return s; 114 } 115 116 /** 117 * List of allowed raster styles 118 */ 119 enum MS_RASTER_STYLES{ 120 LINEAR_STRETCHING, 121 COLOR_PALETTE 122 }; 123 enum LINEAR_STRETCHING_TYPE{ 124 MINMAX, 125 MEANSTD 126 }; 36 127 37 128 /** … … 727 818 */ 728 819 int tryGdal(maps* conf,maps* output,mapObj* m){ 820 821 /* 822 * Detect the raster style 823 */ 824 825 /* msRasterResample (NEAREST/AVERAGE/BILINEAR) */ 826 const char * msRasterResamplingType = "msRasterResample"; 827 /* msRasterStyle (linearStretching/colorPalette) */ 828 const char * msRasterStylePropertyName = "msRasterStyle"; 829 const char * msRasterStyleLinearStretchingPropertyValue = "linearStretching"; 830 const char * msRasterStyleColorPalettePropertyValue = "colorPalette"; 831 /* msRasterStyleOptions (minMax/meanstd) */ 832 const char * msRasterStyleOptionsPropertyName = "msRasterStyleOptions"; 833 const char * msRasterStyleLinearStretchingMinMaxPropertyName = "minMax"; 834 const char * msRasterStyleLinearStretchingMeanStdPropertyName = "meanStd"; 835 836 // Default raster style 837 int defaultStyleType = LINEAR_STRETCHING; 838 int defaultLinearstretchingType = MEANSTD; 839 840 // Check if there is a defined raster style type 841 int styleType = defaultStyleType; 842 int linearStretchingType = defaultLinearstretchingType; 843 map* msRasterStyle=getMap(output->content, msRasterStylePropertyName); 844 char * msRasterStyleOptionsContent = ""; 845 if(msRasterStyle!=NULL) 846 { 847 // Check if there is options attached 848 map* msRasterStyleOptions=getMap(output->content, msRasterStyleOptionsPropertyName); 849 if (msRasterStyleOptions!=NULL) 850 { 851 msRasterStyleOptionsContent = msRasterStyleOptions->value; 852 } 853 854 // Detect the raster style 855 #ifdef DEBUGMS 856 fprintf(stderr,"Detect the raster style %s\n", msRasterStyle->value); 857 #endif 858 if (strncasecmp(msRasterStyle->value, msRasterStyleLinearStretchingPropertyValue, 859 strlen(msRasterStyleLinearStretchingPropertyValue))==0) 860 { 861 #ifdef DEBUGMS 862 fprintf(stderr,"The raster style is linear stretching\n"); 863 #endif 864 styleType = LINEAR_STRETCHING; 865 if (strlen(msRasterStyleOptionsContent)>0) 866 { 867 if (strncasecmp(msRasterStyleOptionsContent, msRasterStyleLinearStretchingMinMaxPropertyName, 868 strlen(msRasterStyleLinearStretchingMinMaxPropertyName))==0) 869 { 870 linearStretchingType = MINMAX; 871 #ifdef DEBUGMS 872 fprintf(stderr,"The raster style linear stretching is minmax\n"); 873 #endif 874 } 875 else if (strncasecmp(msRasterStyleOptionsContent, msRasterStyleLinearStretchingMeanStdPropertyName, 876 strlen(msRasterStyleLinearStretchingMeanStdPropertyName))==0) 877 { 878 linearStretchingType = MEANSTD; 879 #ifdef DEBUGMS 880 fprintf(stderr,"The raster style linear stretching is meanstd\n"); 881 #endif 882 } 883 else 884 { 885 fprintf(stderr,"Unknown raster style linear stretching method: %s\n", msRasterStyleOptionsContent); 886 } 887 } 888 else 889 { 890 fprintf(stderr,"Using default linear stretching type."); 891 } 892 } 893 else if (strncasecmp(msRasterStyle->value, msRasterStyleColorPalettePropertyValue, 894 strlen(msRasterStyleColorPalettePropertyValue))==0) 895 { 896 #ifdef DEBUGMS 897 fprintf(stderr,"The raster style is color palette\n"); 898 #endif 899 styleType = COLOR_PALETTE; 900 } 901 else 902 { 903 fprintf(stderr,"Unknown raster style: %s. Using default.", msRasterStyle->value); 904 } 905 } 906 907 #ifdef DEBUGMS 908 fprintf(stderr,"RasterStyle=%i Options=%s\n",styleType,msRasterStyleOptionsContent); 909 #endif 910 911 /* 912 * Get storage 913 */ 729 914 map* tmpMap=getMap(output->content,"storage"); 730 915 char *pszFilename=tmpMap->value; … … 733 918 double adfGeoTransform[6]; 734 919 int i, iBand; 735 920 736 921 /** 737 922 * Try to open the DataSource using GDAL … … 791 976 m->width=GDALGetRasterXSize( hDataset ); 792 977 m->height=GDALGetRasterYSize( hDataset ); 793 978 794 979 /** 795 980 * Set projection using Authority Code and Name if available or fallback to … … 808 993 } 809 994 810 811 995 /** 812 996 * Set extent … … 816 1000 817 1001 double minX = adfGeoTransform[0] 818 1002 + adfGeoTransform[2] * GDALGetRasterYSize(hDataset); 819 1003 double minY = adfGeoTransform[3] 820 1004 + adfGeoTransform[5] * GDALGetRasterYSize(hDataset); 821 1005 822 1006 double maxX = adfGeoTransform[0] 823 1007 + adfGeoTransform[1] * GDALGetRasterXSize(hDataset); 824 1008 double maxY = adfGeoTransform[3] 825 826 827 1009 + adfGeoTransform[4] * GDALGetRasterXSize(hDataset); 1010 1011 setMsExtent(output,m,myLayer,minX,minY,maxX,maxY); 828 1012 829 1013 } … … 857 1041 }else{ 858 1042 if(iBand<4){ 859 860 861 862 1043 char *tmpS=zStrdup(nameBands); 1044 nameBands=(char*)realloc(nameBands,(strlen(nameBands)+strlen(lBands)+1)*sizeof(char)); 1045 sprintf(nameBands,"%s %s",tmpS,lBands); 1046 free(tmpS); 863 1047 } 864 1048 } 865 1049 } 866 1050 msInsertHashTable(&(myLayer->metadata), "ows_bandnames", nameBands); 867 1051 868 1052 /** 869 1053 * Loops over metadata information to setup specific information 870 1054 */ 871 for( iBand = 0; iBand < nBandsI; iBand++ ){ 872 //int bGotNodata;//, bSuccess; 873 double adfCMinMax[2]/*, dfNoData*/; 874 //int nBlockXSize, nBlockYSize, nMaskFlags; 875 //double /*dfMean, dfStdDev*/; 1055 for( iBand = 0; iBand < nBandsI; iBand++ ) 1056 { 1057 1058 // Compute statistics of the current band 876 1059 hBand = GDALGetRasterBand( hDataset, iBand+1 ); 877 878 1060 CPLErrorReset(); 879 GDALComputeRasterMinMax( hBand, FALSE, adfCMinMax ); 880 char tmpN[21]; 881 sprintf(tmpN,"Band%d",iBand+1); 882 if (CPLGetLastErrorType() == CE_None){ 883 char tmpMm[100]; 884 sprintf(tmpMm,"%.3f %.3f",adfCMinMax[0],adfCMinMax[1]); 885 char tmpI[21]; 886 sprintf(tmpI,"%s_interval",tmpN); 887 msInsertHashTable(&(myLayer->metadata), tmpI, tmpMm); 888 889 map* test=getMap(output->content,"msClassify"); 890 if(test!=NULL && strncasecmp(test->value,"true",4)==0){ 891 /** 892 * Classify one band raster pixel value using regular interval 893 */ 894 int _tmpColors[10][3]={ 895 {102,153,204}, 896 {51,102,153}, 897 {102,102,204}, 898 {51,204,0}, 899 {153,255,102}, 900 {204,255,102}, 901 {102,204,153}, 902 {255,69,64}, 903 {255,192,115}, 904 {255,201,115} 905 }; 906 907 if(nBandsI==1){ 908 double delta=adfCMinMax[1]-adfCMinMax[0]; 909 double interval=delta/10; 910 double cstep=adfCMinMax[0]; 911 for(i=0;i<10;i++){ 912 /** 913 * Create a new class 914 */ 915 if(msGrowLayerClasses(myLayer) == NULL) 916 return -1; 917 if(initClass((myLayer->CLASS[myLayer->numclasses])) == -1) 918 return -1; 919 if(msGrowClassStyles(myLayer->CLASS[myLayer->numclasses]) == NULL) 920 return -1; 921 if(initStyle(myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]) == -1) 922 return -1; 923 924 /** 925 * Set class name 926 */ 927 char className[7]; 928 sprintf(className,"class%d",i); 929 myLayer->CLASS[myLayer->numclasses]->name=zStrdup(className); 930 931 /** 932 * Set expression 933 */ 934 char expression[1024]; 935 if(i+1<10) 936 sprintf(expression,"([pixel]>=%.3f AND [pixel]<%.3f)",cstep,cstep+interval); 937 else 938 sprintf(expression,"([pixel]>=%.3f AND [pixel]<=%.3f)",cstep,cstep+interval); 939 msLoadExpressionString(&myLayer->CLASS[myLayer->numclasses]->expression,expression); 940 941 /** 942 * Set color 943 */ 944 myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]->color.red=_tmpColors[i][0]; 945 myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]->color.green=_tmpColors[i][1]; 946 myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]->color.blue=_tmpColors[i][2]; 947 cstep+=interval; 948 myLayer->CLASS[myLayer->numclasses]->numstyles++; 949 myLayer->numclasses++; 950 951 } 952 953 char tmpMm[100]; 954 sprintf(tmpMm,"%.3f %.3f",adfCMinMax[0],adfCMinMax[1]); 955 956 } 957 } 958 else{ 959 if(nBandsI==1){ 960 myLayer->offsite.red=0; 961 myLayer->offsite.green=0; 962 myLayer->offsite.blue=0; 963 } 964 msLayerAddProcessing(myLayer,"RESAMPLE=BILINEAR"); 965 } 966 } 967 if( strlen(GDALGetRasterUnitType(hBand)) > 0 ){ 1061 double min = 0.0; 1062 double max = 0.0; 1063 double mean = 0.0; 1064 double std = 0.0; 1065 GDALComputeRasterStatistics (hBand, 1, &min, &max, &mean, &std, NULL, NULL); 1066 1067 char bandIdentifier[21]; 1068 sprintf(bandIdentifier,"Band%d",iBand+1); 1069 if (CPLGetLastErrorType() == CE_None) 1070 { 1071 char bandInterval[100]; 1072 sprintf(bandInterval,"%.3f %.3f",min,max); 1073 char bandIntervalIdentifier[21]; 1074 sprintf(bandIntervalIdentifier,"%s_interval",bandIdentifier); 1075 msInsertHashTable(&(myLayer->metadata), bandIntervalIdentifier, bandInterval); 1076 1077 // Apply the raster style 1078 if(styleType == LINEAR_STRETCHING) 1079 { 1080 1081 char msProcessingInstruction[1024]; 1082 double low = mean - 2*std; 1083 double hi = mean + 2*std; 1084 1085 char s1[MAX_NUMBER_STRING_SIZE]; 1086 char s2[MAX_NUMBER_STRING_SIZE]; 1087 1088 int bn = iBand+1; 1089 if(linearStretchingType==MINMAX) 1090 { 1091 sprintf(msProcessingInstruction, "SCALE_%d=%s,%s", 1092 bn, 1093 dtoa(s1,min), 1094 dtoa(s2,max)); 1095 } 1096 else if (linearStretchingType==MEANSTD) 1097 { 1098 sprintf(msProcessingInstruction, "SCALE_%d=%s,%s", 1099 bn, 1100 dtoa(s1,low), 1101 dtoa(s2,hi)); 1102 } 1103 1104 msLayerAddProcessing(myLayer,msProcessingInstruction); 1105 1106 } // styleType is LINEAR_STRETCHING 1107 else if( styleType == COLOR_PALETTE ) 1108 { 1109 /** 1110 * Classify one band raster pixel value using regular interval 1111 * TODO: parse msRasterStyleOptionsContent to retrieve the colormap 1112 */ 1113 int discreteColorMap[10][3]={ 1114 {102,153,204}, 1115 {51,102,153}, 1116 {102,102,204}, 1117 {51,204,0}, 1118 {153,255,102}, 1119 {204,255,102}, 1120 {102,204,153}, 1121 {255,69,64}, 1122 {255,192,115}, 1123 {255,201,115} 1124 }; 1125 1126 if(nBandsI==1) 1127 { 1128 double delta = max - min; 1129 double interval = delta / 10; 1130 double cstep = min; 1131 for(i=0; i<10; i++) 1132 { 1133 /** 1134 * Create a new class 1135 */ 1136 if(msGrowLayerClasses(myLayer) == NULL) 1137 return -1; 1138 if(initClass((myLayer->CLASS[myLayer->numclasses])) == -1) 1139 return -1; 1140 if(msGrowClassStyles(myLayer->CLASS[myLayer->numclasses]) == NULL) 1141 return -1; 1142 if(initStyle(myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]) == -1) 1143 return -1; 1144 1145 /** 1146 * Set class name 1147 */ 1148 char className[7]; 1149 sprintf(className,"class%d",i); 1150 myLayer->CLASS[myLayer->numclasses]->name=zStrdup(className); 1151 1152 /** 1153 * Set expression 1154 */ 1155 char expression[1024]; 1156 if(i+1<10) 1157 sprintf(expression,"([pixel]>=%.3f AND [pixel]<%.3f)",cstep,cstep+interval); 1158 else 1159 sprintf(expression,"([pixel]>=%.3f AND [pixel]<=%.3f)",cstep,cstep+interval); 1160 msLoadExpressionString(&myLayer->CLASS[myLayer->numclasses]->expression,expression); 1161 1162 /** 1163 * Set color 1164 */ 1165 myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]->color.red=discreteColorMap[i][0]; 1166 myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]->color.green=discreteColorMap[i][1]; 1167 myLayer->CLASS[myLayer->numclasses]->styles[myLayer->CLASS[myLayer->numclasses]->numstyles]->color.blue=discreteColorMap[i][2]; 1168 cstep+=interval; 1169 myLayer->CLASS[myLayer->numclasses]->numstyles++; 1170 myLayer->numclasses++; 1171 1172 } 1173 1174 char tmpMm[100]; 1175 sprintf(tmpMm,"%.3f %.3f",min,max); 1176 1177 } 1178 } // styleType is COLOR_PALETTE 1179 1180 } // If no error with GDAL functions 1181 else 1182 { 1183 fprintf(stderr,"Unable to compute raster statistics!\n"); 1184 } 1185 1186 /* 1187 * Set offsite 1188 */ 1189 int offsiteR = 0; 1190 int offsiteG = 0; 1191 int offsiteB = 0; 1192 int hasNoData = 0; 1193 double noDataValue = GDALGetRasterNoDataValue(hBand, &hasNoData); 1194 if (hasNoData) 1195 { 1196 offsiteR = (int) noDataValue; 1197 offsiteG = (int) noDataValue; 1198 offsiteB = (int) noDataValue; 1199 } 1200 myLayer->offsite.red = offsiteR; 1201 myLayer->offsite.green = offsiteG; 1202 myLayer->offsite.blue = offsiteB; 1203 1204 /* 1205 * Insert units 1206 */ 1207 if( strlen(GDALGetRasterUnitType(hBand)) > 0 ) 1208 { 968 1209 char tmpU[21]; 969 sprintf(tmpU,"%s_band_uom", tmpN);1210 sprintf(tmpU,"%s_band_uom",bandIdentifier); 970 1211 msInsertHashTable(&(myLayer->metadata), tmpU, GDALGetRasterUnitType(hBand)); 971 } 972 973 } 1212 } 1213 1214 } // next band 1215 1216 /* 1217 * Check if there is resample option 1218 */ 1219 char msResampleOptionInstruction[1024]; 1220 char * msRasterResampleOptionContent = "BILINEAR"; 1221 map* msRasterResamplingOption=getMap(output->content, msRasterResamplingType); 1222 if (msRasterResamplingOption!=NULL) 1223 { 1224 msRasterResampleOptionContent = msRasterResamplingOption->value; 1225 } 1226 sprintf(msResampleOptionInstruction, "RESAMPLE=%s",msRasterResampleOptionContent); 1227 msLayerAddProcessing(myLayer, msResampleOptionInstruction); 974 1228 975 1229 m->layerorder[m->numlayers] = m->numlayers;
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