本文整理汇总了C++中CoordinateSystem::prepare方法的典型用法代码示例。如果您正苦于以下问题：C++ CoordinateSystem::prepare方法的具体用法？C++ CoordinateSystem::prepare怎么用？C++ CoordinateSystem::prepare使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CoordinateSystem的用法示例。
在下文中一共展示了CoordinateSystem::prepare方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(){
int xsize, ysize;
unsigned char * imgbuf;
double inFluxScale;
#ifdef _WIN32
if (!loadBitmap("G:\\sources2\\__BR\\RC\\crocodile\\reprojection-pseudocode\\lovell.bmp", &xsize, &ysize, &imgbuf, &inFluxScale)){
#else
if (!loadBitmap("/home/awson/data/Work/crocodile/reprojection-pseudocode/lovell.bmp", &xsize, &ysize, &imgbuf, &inFluxScale)){
#endif
printf("Can't load the input!");
return -1;
}
CoordinateSystem inCS = {
{0, 0}
, {500, 500}
, { {-0.000027778, 0}
, { 0, 0.000027778}
}
};
inCS.prepare();
CoordinateSystem outCS = {
{0, 0}
, {500, 500}
, { {-0.00002, -0.00002}
, {-0.00002, 0.00002}
}
};
outCS.prepare();
vector<double> inp(xsize * ysize);
vector<double> outp(xsize * ysize);
unsigned char * it = imgbuf;
for (double & v : inp) v = double(*it++);
printf("Start repro ...\n");
reprojection(
inCS
, outCS
, {xsize, ysize}
, {xsize, ysize}
, inp.data()
, outp.data()
);
printf("Done repro!\n");
// Dirty! Reuse imgbuf.
it = imgbuf;
for (double v : outp) *it++ = (unsigned char)(min(255.0, v));
saveBitmap("image.bmp", xsize, ysize, imgbuf, inFluxScale * pixelAreaRatio(inCS, outCS));
free(imgbuf);
}示例2: if
IlwisObject *InternalIlwisObjectFactory::createCsyFromCode(const Resource& resource, const IOOptions &options) const {
QString code = resource.code();
bool isUnknown = code == "unknown" || code == "csy:unknown";
QString projParms = code;
if ( code.left(6) == "proj4:"){
projParms = code.mid(6);
}else if(!isUnknown && code.left(5) == "epsg:"){
QString query = QString("select * from projectedcsy where code='%1'").arg(code);
InternalDatabaseConnection db;
if ( db.exec(query)) {
if (db.next()) {
QSqlRecord rec = db.record();
projParms = rec.value("proj_params").toString();
} else {
kernel()->issues()->log(TR(ERR_COULDNT_CREATE_OBJECT_FOR_2).arg("coordinatesystem", resource.name()));
return 0;
}
}
}
CoordinateSystem *csy = 0;
if ( isUnknown){
csy = createFromResource<BoundsOnlyCoordinateSystem>(resource, options);
csy->name("unknown");
csy->code("unknown");
csy->setDescription(TR("Unknown coordinate system"));
}else {
csy = createFromResource<ConventionalCoordinateSystem>(resource, options);
csy->setDescription(resource.name());
csy->prepare("proj4=" + projParms);
}
return csy;
}