QQmlListProperty<ProjectionParameterModel> IlwisObjectModel::projectionItems()
{
IlwisTypes objectype = _ilwisobject->ilwisType();
if ( hasType( objectype, itPROJECTION | itCONVENTIONALCOORDSYSTEM)){
IProjection proj;
_projectionParmItems.clear();
if ( hasType(objectype, itCONVENTIONALCOORDSYSTEM)){
IConventionalCoordinateSystem csyProj = _ilwisobject.as<ConventionalCoordinateSystem>();
if ( csyProj.isValid()){
proj = csyProj->projection();
}
}else
proj = _ilwisobject.as<Projection>();
if ( proj.isValid()){
if ( proj->isUsed(Projection::pvX0))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvX0, this));
if ( proj->isUsed(Projection::pvY0))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvY0, this));
if ( proj->isUsed(Projection::pvLON0))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvLON0, this));
if ( proj->isUsed(Projection::pvLAT0))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvLAT0, this));
if ( proj->isUsed(Projection::pvLAT1))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvLAT1, this));
if ( proj->isUsed(Projection::pvLAT2))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvLAT2, this));
if ( proj->isUsed(Projection::pvLATTS))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvLATTS, this));
if ( proj->isUsed(Projection::pvK0))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvK0, this));
if ( proj->isUsed(Projection::pvZONE))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvZONE, this));
if ( proj->isUsed(Projection::pvHEIGHT))
_projectionParmItems.append(new ProjectionParameterModel(proj, Projection::pvHEIGHT, this));
}
return QQmlListProperty<ProjectionParameterModel>(this, _projectionParmItems);
}
return QQmlListProperty<ProjectionParameterModel>();
}
QString IlwisObjectModel::getProperty(const QString &propertyname)
{
try{
QString property = ResourceModel::getProperty(propertyname);
if ( property != sUNDEF)
return property;
if ( !_ilwisobject.isValid())
return "";
if ( propertyname == "latlonenvelope" || propertyname == "envelope"){
if (hasType(_ilwisobject->ilwisType(), itCOVERAGE)){
return _ilwisobject.as<Coverage>()->envelope(propertyname == "latlonenvelope").toString();
} if ( hasType(_ilwisobject->ilwisType(), itCOORDSYSTEM)){
return _ilwisobject.as<CoordinateSystem>()->envelope(propertyname == "latlonenvelope").toString();
}
}
if ( propertyname == "pixelsize"){
return pixSizeString();
}
if ( propertyname == "centerpixelboundingbox"){
return centerPixelLocation();
}
if ( propertyname == "parentdomain"){
return parentDomain();
}
if ( propertyname == "valuetype"){
return valueType();
}
if ( propertyname == "recordcount"){
if ( hasType(_ilwisobject->ilwisType(), itTABLE)){
return QString::number(_ilwisobject.as<Table>()->recordCount());
}
}
if ( propertyname == "columncount"){
if ( hasType(_ilwisobject->ilwisType(), itTABLE)){
return QString::number(_ilwisobject.as<Table>()->columnCount());
}
}
if ( propertyname == "polygoncount"){
if ( hasType(_ilwisobject->ilwisType(), itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
return QString::number(features->featureCount(itPOLYGON));
}
}
if ( propertyname == "linecount"){
if ( hasType(_ilwisobject->ilwisType(), itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
return QString::number(features->featureCount(itLINE));
}
}
if ( propertyname == "pointcount"){
if ( hasType(_ilwisobject->ilwisType(), itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
return QString::number(features->featureCount(itPOINT));
}
}
if ( propertyname == "featurecount"){
if ( hasType(_ilwisobject->ilwisType(), itFEATURE)){
IFeatureCoverage features = _ilwisobject.as<FeatureCoverage>();
return QString::number(features->featureCount());
}
}
if ( propertyname == "majoraxis"){
if ( hasType(_ilwisobject->ilwisType(), itELLIPSOID)){
IEllipsoid ellipsoid = _ilwisobject.as<Ellipsoid>();
return QString::number(ellipsoid->majorAxis());
}
}
if ( propertyname == "minoraxis"){
if ( hasType(_ilwisobject->ilwisType(), itELLIPSOID)){
IEllipsoid ellipsoid = _ilwisobject.as<Ellipsoid>();
return QString::number(ellipsoid->minorAxis());
}
}
if ( propertyname == "flattening"){
if ( hasType(_ilwisobject->ilwisType(), itELLIPSOID)){
IEllipsoid ellipsoid = _ilwisobject.as<Ellipsoid>();
return QString::number(ellipsoid->flattening());
}
}
if ( propertyname == "excentricity"){
if ( hasType(_ilwisobject->ilwisType(), itELLIPSOID)){
IEllipsoid ellipsoid = _ilwisobject.as<Ellipsoid>();
return QString::number(ellipsoid->excentricity());
}
}
if (propertyname == "proj4def"){
IlwisTypes objectype = _ilwisobject->ilwisType();
if ( hasType( objectype, itPROJECTION | itCONVENTIONALCOORDSYSTEM)){
IProjection proj;
if ( hasType(objectype, itCONVENTIONALCOORDSYSTEM)){
IConventionalCoordinateSystem csyProj = _ilwisobject.as<ConventionalCoordinateSystem>();
if ( csyProj.isValid()){
proj = csyProj->projection();
}
}else
proj = _ilwisobject.as<Projection>();
if ( proj.isValid()){
return proj->toProj4();
}
}
}
return "";
} catch(const ErrorObject& ){
// no exceptions may escape here
}
return "";
}