1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/**********************************************************************
jlpolygonize_lib.cc: program to make vector file from raster image
Author(s): Pieter.Kempeneers@ec.europa.eu
Copyright (C) 2016-2022 European Union (Joint Research Centre)
This file is part of jiplib.
jiplib is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
jiplib is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with jiplib. If not, see <https://www.gnu.org/licenses/>.
***********************************************************************/
#include "cpl_string.h"
#include "gdal_priv.h"
#include "gdal.h"
#include "ogrsf_frmts.h"
#include "gdal_alg.h"
#include "ogr_api.h"
#include <config_jiplib.h>
#include "base/Optionjl.h"
#include "Jim.h"
#include "VectorOgr.h"
using namespace std;
shared_ptr<VectorOgr> Jim::polygonize(app::AppFactory& app, std::shared_ptr<Jim> mask){
shared_ptr<VectorOgr> ogrWriter=VectorOgr::createVector();
polygonize(*ogrWriter, app, mask);
return(ogrWriter);
}
void Jim::polygonize(VectorOgr&ogrWriter, app::AppFactory &theApp, std::shared_ptr<Jim> mask){
Optionjl<string> output_opt("o", "output", "Output vector file");
Optionjl<string> layername_opt("ln", "ln", "Output layer name","polygonize");
Optionjl<string> ogrformat_opt("f", "oformat", "Output OGR file format","SQLite");
Optionjl<string> option_opt("co", "co", "Creation option for output file. Multiple options can be specified.");
Optionjl<string> fname_opt("n", "name", "the field name of the output layer", "DN");
Optionjl<double> nodata_opt("nodata", "nodata", "Disgard this nodata value when creating polygons.");
Optionjl<short> verbose_opt("verbose", "verbose", "verbose output",0,2);
bool doProcess;//stop process when program was invoked with help option (-h --help)
try{
doProcess=output_opt.retrieveOption(theApp);
layername_opt.retrieveOption(theApp);
ogrformat_opt.retrieveOption(theApp);
option_opt.retrieveOption(theApp);
fname_opt.retrieveOption(theApp);
nodata_opt.retrieveOption(theApp);
verbose_opt.retrieveOption(theApp);
}
catch(std::string predefinedString){
std::cout << predefinedString << std::endl;
}
if(!doProcess){
std::cout << std::endl;
std::ostringstream helpStream;
helpStream << "exception thrown due to help info";
throw(helpStream.str());//help was invoked, stop processing
}
std::vector<std::string> badKeys;
theApp.badKeys(badKeys);
if(badKeys.size()){
std::ostringstream errorStream;
if(badKeys.size()>1)
errorStream << "Error: unknown keys: ";
else
errorStream << "Error: unknown key: ";
for(int ikey=0;ikey<badKeys.size();++ikey){
errorStream << badKeys[ikey] << " ";
}
errorStream << std::endl;
throw(errorStream.str());
}
const char *pszFormat = "MEM";
GDALDriver *poDriverMem = GetGDALDriverManager()->GetDriverByName(pszFormat);
GDALDataset *poDatasetMask = NULL;
GDALRasterBand *poMaskBandMem = NULL;
GDALDataset *poDatasetMem = NULL;
GDALRasterBand *poBandMem = NULL;
try{
if( poDriverMem ){
if(mask){
if(mask->nrOfCol()!=nrOfCol()){
std::string errorString="Error: number of cols in mask does not match input raster";
throw(errorString);
}
if(mask->nrOfRow()!=nrOfRow()){
std::string errorString="Error: number of rows in mask does not match input raster";
throw(errorString);
}
poDatasetMask = (GDALDataset *)poDriverMem->Create("memmask",mask->nrOfCol(),mask->nrOfRow(),1,mask->getGDALDataType(),NULL);
if(poDatasetMask){
if(verbose_opt[0])
cout << "get raster band from mask" << endl;
std::vector<double> maskGT(6);
getGeoTransform(maskGT);
poDatasetMask->SetGeoTransform(&maskGT[0]);
poMaskBandMem = poDatasetMask->GetRasterBand(1);
if( poMaskBandMem->RasterIO(GF_Write, 0, 0, mask->nrOfCol(), mask->nrOfRow(), mask->getDataPointer(0), mask->nrOfCol(), mask->nrOfRow(), mask->getGDALDataType(), 0, 0, NULL) != CE_None ){
cerr << CPLGetLastErrorMsg() << endl;
}
}
else{
std::string errorString="Error: could not create memory dataset for mask dataset";
throw(errorString);
}
}
poDatasetMem = (GDALDataset *)poDriverMem->Create("memband",nrOfCol(),nrOfRow(),1,getGDALDataType(),NULL);
if(poDatasetMem){
//printf("Copy MemoryBand to memband\n"); fflush(stdout);
std::vector<double> sourceGT(6);
getGeoTransform(sourceGT);
poDatasetMem->SetGeoTransform(&sourceGT[0]);
poBandMem = poDatasetMem->GetRasterBand(1);
if( poBandMem->RasterIO(GF_Write, 0, 0, nrOfCol(), nrOfRow(), m_data[0], nrOfCol(), nrOfRow(), getGDALDataType(), 0, 0, NULL) == CE_None ){
// Quality parameters for warping operation
if(nodata_opt.size())
poBandMem->SetNoDataValue(nodata_opt[0]);
char **papszOptions=NULL;
for(std::vector<std::string>::const_iterator optionIt=option_opt.begin();optionIt!=option_opt.end();++optionIt)
papszOptions=CSLAddString(papszOptions,optionIt->c_str());
if(verbose_opt[0])
std::cout << "Opening ogrWriter: " << output_opt[0] << " in format " << ogrformat_opt[0] << endl;
ogrWriter.open(output_opt[0],ogrformat_opt[0]);
ogrWriter.pushLayer(layername_opt[0],getProjection(),wkbUnknown,papszOptions);
if(verbose_opt[0])
cout << "projection: " << getProjection() << endl;
ogrWriter.createField(fname_opt[0],OFTInteger);
if(verbose_opt[0])
cout << "GDALPolygonize started..." << endl;
int index=ogrWriter.getLayer()->GetLayerDefn()->GetFieldIndex(fname_opt[0].c_str());
double dfComplete=0.0;
const char* pszMessage;
// void* pProgressArg=NULL;
// GDALProgressFunc pfnProgress=NULL;
// GDALProgressFunc pfnProgress=GDALTermProgress;
// pfnProgress(dfComplete,pszMessage,pProgressArg);
// if(GDALPolygonize((GDALRasterBandH)poBandMem, (GDALRasterBandH)poMaskBandMem, (OGRLayerH)ogrWriter.getLayer(),index,NULL,pfnProgress,pProgressArg)!=CE_None){
if(GDALPolygonize((GDALRasterBandH)poBandMem, (GDALRasterBandH)poMaskBandMem, (OGRLayerH)ogrWriter.getLayer(),index,NULL,NULL,NULL)!=CE_None){
std::string errorString=CPLGetLastErrorMsg();
throw(errorString);
}
else{
dfComplete=1.0;
// pfnProgress(dfComplete,pszMessage,pProgressArg);
}
for(size_t ilayer=0;ilayer<ogrWriter.getLayerCount();++ilayer)
ogrWriter.readFeatures(ilayer);
}
}
else{
std::string errorString="Error: could not create memory dataset for input dataset";
throw(errorString);
}
}
else{
std::string errorString="Error: could not create memory driver";
throw(errorString);
}
}
catch(std::string errorString){
std::cerr << errorString << std::endl;
throw;
}
catch(...){
std::cerr << "Error: could not polygonize" << std::endl;
throw;
}
}
|
