CrossSectionPin::CrossSectionPin(const QString& lbl, const Coordinate& crd, const IGeoReference& grf, QObject *parent) : QObject(parent),
_label(lbl),
_coord(crd.isValid() ? crd : Coordinate(0, 0))
{
if (grf.isValid()) {
if (crd.isValid())
_pix = grf->coord2Pixel(crd);
else
_pix = Pixel(0, 0);
}
}
IRasterCoverage OperationHelperRaster::resample(const IRasterCoverage& sourceRaster, const IGeoReference& targetGrf) {
if (!sourceRaster.isValid() || !targetGrf.isValid())
return IRasterCoverage();
Resource res;
res.prepare();
QString expr = QString("%3=resample(%1,%2,nearestneighbour)").arg(sourceRaster->resource().url().toString()).arg(targetGrf->resource().url().toString()).arg(res.name());
ExecutionContext ctxLocal;
SymbolTable symtabLocal;
if (!commandhandler()->execute(expr, &ctxLocal, symtabLocal))
return false;
QVariant var = symtabLocal.getValue(res.name());
return var.value<IRasterCoverage>();
}
bool GeoReference::isCompatible(const IGeoReference &georefOther) const
{
if (!georefOther.isValid())
return false;
if (georefOther->id() == id())
return true;
if ( coordinateSystem() != georefOther->coordinateSystem())
return false;
if ( isValid())
return _georefImpl->isCompatible(georefOther);
return false;
}
IlwisObject *InternalIlwisObjectFactory::createRasterCoverage(const Resource& resource, const IOOptions &options) const {
if ( !resource.isValid()) {
ERROR1(ERR_NO_INITIALIZED_1,"resource");
return 0;
}
RasterCoverage *gcoverage = createFromResource<RasterCoverage>(resource, options);
if (!createCoverage(resource, gcoverage, options))
return 0;
Size<> sz;
QString typenm = resource["size"].typeName();
if ( typenm == "Ilwis::Size<quint32>"){
sz = resource["size"].value<Size<>>();
} else if (typenm == "QSize") {
sz = resource["size"].toSize();
} else if (typenm == "QString") {
QStringList parts = resource["size"].toString().split(" ");
if ( parts.size() >= 2)
sz = Size<>(parts[0].toInt(), parts[1].toInt(), 1);
if ( parts.size() == 3)
sz.zsize(parts[2].toInt());
}
gcoverage->gridRef()->prepare(gcoverage, sz);
IGeoReference grf;
QString tpnam = resource["georeference"].typeName();
if (tpnam == "Ilwis::IGeoReference")
grf = resource["georeference"].value<Ilwis::IGeoReference>();
else if( tpnam == "QString" && resource["georeference"].toString() != sUNDEF) {
Resource newresource = resource.property2Resource("georeference", itGEOREF);
if ( newresource.isValid()) {
if (!grf.prepare(newresource))
return 0;
}
} else if ( tpnam == "qulonglong"){
if(!grf.prepare(resource["georeference"].value<quint64>()))
return 0;
} else{
Envelope bounds = gcoverage->envelope();
if ( bounds.isValid() && !bounds.isNull()){
grf = new GeoReference();
grf->create("corners");
grf->name("subset_" + gcoverage->name());
grf->coordinateSystem(gcoverage->coordinateSystem());
QSharedPointer< CornersGeoReference> spGrf = grf->as< CornersGeoReference>();
spGrf->internalEnvelope(bounds);
grf->size(sz);
if (!grf->compute()){
ERROR1(ERR_COULDNT_CREATE_OBJECT_FOR_1, "Georeference");
return 0;
}
}
}
if ( grf.isValid())
gcoverage->georeference(grf);
if ( sz.isValid())
gcoverage->size(sz);
return gcoverage;
}