C++ IRasterCoverage::georeference方法代码示例

bool OperationHelperRaster::resample(IRasterCoverage& raster1, IRasterCoverage& raster2, ExecutionContext *ctx) {
    if ( !raster1.isValid())
        return false;

    IGeoReference commonGeoref = raster1->georeference();
    if ( ctx->_masterGeoref != sUNDEF) {
        if(!commonGeoref.prepare(ctx->_masterGeoref))
            return false;
    }
    if (raster1->georeference()!= commonGeoref ){
        Resource res;
        res.prepare();
        QString expr = QString("%3=resample(%1,%2,bicubic)").arg(raster1->source().url().toString()).arg(commonGeoref->source().url().toString()).arg(res.name());
        ExecutionContext ctxLocal;
        SymbolTable symtabLocal;
        if(!commandhandler()->execute(expr,&ctxLocal,symtabLocal))
            return false;
        QVariant var = symtabLocal.getValue(res.name());
        raster1 = var.value<IRasterCoverage>();
    }
    if ( raster2.isValid() && raster2->georeference()!= commonGeoref ){
        Resource res;
        res.prepare();
        QString expr = QString("%3=resample(%1,%2,bicubic)").arg(raster2->source().url().toString()).arg(commonGeoref->source().url().toString()).arg(res.name());
        ExecutionContext ctxLocal;
        SymbolTable symtabLocal;
        if(!commandhandler()->execute(expr,&ctxLocal,symtabLocal))
            return false;
        QVariant var = symtabLocal.getValue(res.name());
        IRasterCoverage outRaster = var.value<IRasterCoverage>();
        raster2.assign(outRaster);
    }
    return true;
}

void SelectionBase::ExpressionPart::setEnvelopePolygon(const IRasterCoverage& raster)
{
    double deltax = _envelope.size().xsize() / 10.0;
    double deltay = _envelope.size().ysize() / 10.0;
    std::vector<geos::geom::Coordinate> *coords = new std::vector<geos::geom::Coordinate>();
    double x,y = _envelope.min_corner().y;
    for(x = _envelope.min_corner().x; x < _envelope.max_corner().x; x+= deltax){
       Pixel px = raster->georeference()->coord2Pixel(Coordinate(x,y));
       coords->push_back(geos::geom::Coordinate(px.x, px.y,0));
    }
    for(y = _envelope.min_corner().y; y < _envelope.max_corner().y; y+= deltay){
       Pixel px = raster->georeference()->coord2Pixel(Coordinate(x,y));
       coords->push_back(geos::geom::Coordinate(px.x, px.y,0));
    }
    for(x = _envelope.max_corner().x; x > _envelope.min_corner().x; x-= deltax){
       Pixel px = raster->georeference()->coord2Pixel(Coordinate(x,y));
       coords->push_back(geos::geom::Coordinate(px.x, px.y,0));
    }
    for(y = _envelope.max_corner().y; y > _envelope.min_corner().y; y-= deltay){
       Pixel px = raster->georeference()->coord2Pixel(Coordinate(x,y));
       coords->push_back(geos::geom::Coordinate(px.x, px.y,0));
    }
    Pixel px = raster->georeference()->coord2Pixel(Coordinate(_envelope.min_corner().x,_envelope.min_corner().y));
    coords->push_back(geos::geom::Coordinate(px.x, px.y,0));
    geos::geom::CoordinateArraySequence *points = new  geos::geom::CoordinateArraySequence(coords);
    geos::geom::LinearRing *ring = _geomfactory->createLinearRing(points);
    _polygon.reset( _geomfactory->createPolygon(ring, 0));
}

void CrosssectionTool::changeCoords(int index, int c, int r, bool useScreenPixels)
{
    if (index >= 0 && index < _pins.size()) {
        if (_panelCoverage->ilwisType() == itRASTER) {
            IRasterCoverage raster = _panelCoverage.as<RasterCoverage>();
            if (raster.isValid()) {
                Coordinate crd;
                if (useScreenPixels) {
                    crd = vpmodel()->layer()->layerManager()->rootLayer()->screenGrf()->pixel2Coord(Pixel(c, r));
                    Pixel pix = raster->georeference()->coord2Pixel(crd);
                    c = pix.x;
                    r = pix.y;
                }
                crd = raster->georeference()->pixel2Coord(Pixel(c, r));
                _pins[index]->x(crd.x);
                _pins[index]->y(crd.y);
                _pins[index]->column(c);
                _pins[index]->row(r);
                _pins[index]->update();
                vpmodel()->layer()->layerManager()->updatePostDrawers();
                changePinData(index, crd); 
            }
        }
        
    }
}

BoundingBox OperationHelperRaster::initialize(const IRasterCoverage &inputRaster, IRasterCoverage &outputRaster, quint64 what)
{
    Resource resource(itRASTER);
    Size<> sz = inputRaster->size();
    BoundingBox box(sz);

    if ( what & itRASTERSIZE) {
        resource.addProperty("size", IVARIANT(sz.toString()));
    }
    if ( what & itENVELOPE) {
        if ( box.isNull() || !box.isValid()) {
            sz = inputRaster->size();
            box  = BoundingBox(sz);
        }
        Envelope bounds = inputRaster->georeference()->pixel2Coord(box);
        resource.addProperty("envelope", IVARIANT(bounds.toString()));
    }
    if ( what & itCOORDSYSTEM) {
        resource.addProperty("coordinatesystem", IVARIANT(inputRaster->coordinateSystem()->id()));
    }

    if ( what & itGEOREF) {
        if ( box.isNull() || !box.isValid()) {
            sz = inputRaster->size();
            box  = BoundingBox(sz);
        }
        if ( sz.xsize() == box.xlength() && sz.ysize() == box.ylength())
            resource.addProperty("georeference", IVARIANT(inputRaster->georeference()->id()));
    }
    if ( what & itDOMAIN) {
        resource.addProperty("domain", IVARIANT(inputRaster->datadef().domain<>()->id()));
    }
    resource.prepare();

    outputRaster.prepare(resource);
    if ( what & itTABLE) {
        if ( inputRaster->attributeTable().isValid())    {
            if ( inputRaster->datadef().domain<>() == outputRaster->datadef().domain<>()) {
                if ( outputRaster.isValid())
                    outputRaster->setAttributes(inputRaster->attributeTable());
            }
        }
    }
    if ( what & itDOMAIN){
        for(quint32 i = 0; i < outputRaster->size().zsize(); ++i){
            QString index = outputRaster->stackDefinition().index(i);
            outputRaster->setBandDefinition(index,DataDefinition(outputRaster->datadef().domain()));
        }
    }


    return box;
}

IIlwisObject OperationHelperRaster::initialize(const IIlwisObject &inputObject, IlwisTypes tp, quint64 what)
{
    Resource resource(tp);
    if (inputObject->ilwisType() & itCOVERAGE) {
        ICoverage cov = inputObject.as<Coverage>();
        if (inputObject->ilwisType() == itRASTER) {
            IRasterCoverage gcInput = inputObject.as<RasterCoverage>();
            if ( what & itRASTERSIZE) {
                Size<> sz = gcInput->size();
                BoundingBox box(sz);
                resource.addProperty("size", IVARIANT(box.size()));
            }
            if ( what & itGEOREF) {
                resource.addProperty("georeference", IVARIANT(gcInput->georeference()));
            }
            if ( what & itDOMAIN) {
                resource.addProperty("domain", IVARIANT(gcInput->datadef().domain()));
            }
        }
        if ( what & itCOORDSYSTEM) {
            resource.addProperty("coordinatesystem", IVARIANT(cov->coordinateSystem()));
        }

     }

    resource.prepare();
    IIlwisObject obj;
    obj.prepare(resource);
    if (inputObject->ilwisType() & itCOVERAGE) {
        OperationHelper::initialize(inputObject, obj, tp, what);
    }

    return obj;
}

PinDataSource::PinDataSource(quint64 objid, QObject *parent) : QObject(parent) {
    IRasterCoverage raster;
    raster.prepare(objid);
    if (!raster.isValid())
        return;
    _objid = objid;
	_stackDomain = raster->stackDefinition().domain();
    CrosssectionTool *tool = static_cast<CrosssectionTool *>(parent);
    IRasterCoverage rasterPanel = tool->coverage().as<RasterCoverage>();
    if (!rasterPanel.isValid()) {
        throw ErrorObject(TR("Crossection tool only works for raster coverages"));
    }
    if (!raster->georeference()->isCompatible(rasterPanel->georeference())) {
        throw ErrorObject(TR("Rasters must have compatible georeferences"));
    }
	setStackDomain( QString::number(_stackDomain->id()));
}

int CrosssectionTool::maxC() const {
    if (_panelCoverage.isValid() && _panelCoverage->ilwisType() == itRASTER) {
        IRasterCoverage raster = _panelCoverage.as<RasterCoverage>();
        if (raster.isValid()) {
            return raster->georeference()->size().xsize();
        }
    }
    return 0;
}

QVariantMap MouseGotoPixelEditor::screenPixel(int column, int row) const {
	QVariantMap mp;
	IRasterCoverage raster = static_cast<CoverageLayerModel *>(vpmodel()->layer())->coverage().as<RasterCoverage>();
	if (raster.isValid()) {
		auto crd = raster->georeference()->pixel2Coord(Pixel(column, row));
		auto pix = vpmodel()->layer()->layerManager()->rootLayer()->screenGrf()->coord2Pixel(crd);
		mp["x"] = pix.x;
		mp["y"] = pix.y;
		
	}
	return mp;
}

void CrosssectionTool::changePixel(int index, double x, double y)
{
    if (index >= 0 && index < _pins.size()) {
        if (_panelCoverage->ilwisType() == itRASTER) {
            IRasterCoverage raster = _panelCoverage.as<RasterCoverage>();
            if (raster.isValid()) {
                Pixel pix = raster->georeference()->coord2Pixel(Coordinate(x, y));
                _pins[index]->x(x) ;
                _pins[index]->y(y);
                _pins[index]->column(pix.x);
                _pins[index]->row(pix.y);
                _pins[index]->update();
                vpmodel()->layer()->layerManager()->updatePostDrawers();
                changePinData(index, Coordinate(x,y)); 
            }
        }
    }
}

void RasterCoverage::copyBinary(const IRasterCoverage& raster, quint32 inputIndex, quint32 outputIndex) {
    if ( isNumericalUndef(inputIndex) || isNumericalUndef(outputIndex)){
        ERROR2(ERR_ILLEGAL_VALUE_2,TR("layer index"), isNumericalUndef(inputIndex) ? "input" : "output");
        return;
    }
    if ( inputIndex >= size().zsize()){
       //ERROR2(ERR_ILLEGAL_VALUE_2,TR("layer index"), "input");
    }
    IRasterCoverage gcNew;
    gcNew.set(this);
    Size<> inputSize =  raster->size();
    Size<> sz(inputSize.xsize(),inputSize.ysize(), outputIndex + 1);
    gcNew->georeference()->size(sz);
    PixelIterator iterIn(raster, BoundingBox(Pixel(0,0,inputIndex), Pixel(inputSize.xsize(), inputSize.ysize(), inputIndex + 1)));
    PixelIterator iterOut(gcNew, BoundingBox(Pixel(0,0,outputIndex), Pixel(inputSize.xsize(), inputSize.ysize(), outputIndex + 1)));
    if ( raster->id() == id() && inputIndex == outputIndex){
        ERROR2(ERR_ILLEGALE_OPERATION2, TR("copy"),TR("identical layers in same raster"));
        return;
    }
    std::for_each(iterOut, iterOut.end(), [&](double& v){
         v = *iterIn;
        ++iterIn;
    });
}

Ilwis::OperationImplementation::State SelectionRaster::prepare(ExecutionContext *ctx, const SymbolTable &st)
{
    OperationImplementation::prepare(ctx,st);
    if ( _expression.parameterCount() != 2) {
        ERROR3(ERR_ILLEGAL_NUM_PARM3,"rasvalue","1",QString::number(_expression.parameterCount()));
        return sPREPAREFAILED;
    }
    IlwisTypes inputType = itRASTER;
    QString raster = _expression.parm(0).value();
    if (!_inputObj.prepare(raster, inputType)) {
        ERROR2(ERR_COULD_NOT_LOAD_2,raster,"");
        return sPREPAREFAILED;
    }
    IRasterCoverage inputRaster = _inputObj.as<RasterCoverage>();
    _inputAttributeTable = inputRaster->attributeTable();
    quint64 copylist = itCOORDSYSTEM ;


    QString selector = _expression.parm(1).value();
    parseSelector(selector, inputRaster);

    std::vector<QString> selectionBands = bands(inputRaster);
     _box = boundingBox(_inputObj.as<RasterCoverage>());
    bool useOldGrf ;
    if ( _box.isNull() || !_box.isValid()){
        _box = inputRaster->size();
        useOldGrf = true;
    } else
        useOldGrf = false;

    if ( useOldGrf){
        copylist |= itGEOREF | itRASTERSIZE | itENVELOPE;
    }


    int selectedAttributes = attributeNames().size();
    if (selectedAttributes != 1)
        copylist |= itDOMAIN;

     _outputObj = OperationHelperRaster::initialize(_inputObj,inputType, copylist);
     if ( !_outputObj.isValid()) {
         ERROR1(ERR_NO_INITIALIZED_1, "output coverage");
         return sPREPAREFAILED;
     }
     IRasterCoverage outputRaster = _outputObj.as<RasterCoverage>();

     QString outputName = _expression.parm(0,false).value();
     if ( outputName != sUNDEF)
         _outputObj->name(outputName);

     if ( selectedAttributes > 1) {
         QString url = INTERNAL_CATALOG + "/" + outputName;
         Resource resource(url, itFLATTABLE);
         _attTable.prepare(resource);
     }
     if ( selectedAttributes == 1 && _inputAttributeTable.isValid()){
        QStringList names = attributeNames();
        //outputRaster->datadefRef().domain(_inputAttributeTable->columndefinition(names[0]).datadef().domain());
        outputRaster->setDataDefintions(_inputAttributeTable->columndefinition(names[0]).datadef().domain(), selectionBands, inputRaster->stackDefinition().domain());
     }else
         outputRaster->setDataDefintions(inputRaster->datadef().domain(), selectionBands, inputRaster->stackDefinition().domain());



     if ( (copylist & itGEOREF) == 0) {
         Resource resource(QUrl(INTERNAL_CATALOG + "/" + outputRaster->name() + "_grf_" + QString::number(outputRaster->id())),itGEOREF);
         resource.addProperty("size", IVARIANT(_box.size()));
         auto envelope = inputRaster->georeference()->pixel2Coord(_box);
         resource.addProperty("envelope", IVARIANT(envelope));
         resource.addProperty("coordinatesystem", IVARIANT(inputRaster->coordinateSystem()));
         resource.addProperty("name", _outputObj->name());
         resource.addProperty("centerofpixel",inputRaster->georeference()->centerOfPixel());
         IGeoReference  grf;
         grf.prepare(resource);
         outputRaster->georeference(grf);
         outputRaster->envelope(envelope);
    }


    return sPREPARED;
}

Ilwis::OperationImplementation::State Selection::prepare(ExecutionContext *, const SymbolTable &)
{
    if ( _expression.parameterCount() != 2) {
        ERROR3(ERR_ILLEGAL_NUM_PARM3,"rasvalue","1",QString::number(_expression.parameterCount()));
        return sPREPAREFAILED;
    }
    IlwisTypes inputType = itRASTER;
    QString raster = _expression.parm(0).value();
    if (!_inputObj.prepare(raster, inputType)) {
        ERROR2(ERR_COULD_NOT_LOAD_2,raster,"");
        return sPREPAREFAILED;
    }
    IRasterCoverage inputRaster = _inputObj.as<RasterCoverage>();
    quint64 copylist = itCOORDSYSTEM;


    QString selector = _expression.parm(1).value();
    selector = selector.remove('"');

    int index = selector.indexOf("box=");
    Envelope box;
    if ( index != -1) {
        QString crdlist = "box(" + selector.mid(index+4) + ")";
        _box = BoundingBox(crdlist);
        box = inputRaster->georeference()->pixel2Coord(_box);
        copylist |= itDOMAIN | itTABLE;
        std::vector<qint32> vec{_box.min_corner().x, _box.min_corner().y,_box.min_corner().z};
        _base = vec;

    }
    index = selector.indexOf("polygon=");
    if ( index != -1)
    {
        //TODO:
        copylist |= itDOMAIN | itTABLE;
    }
    index = selector.indexOf("attribute=");
    if ( index != -1 ) {
        if (! inputRaster->attributeTable().isValid()) {
            ERROR2(ERR_NO_FOUND2,"attribute-table", "coverage");
            return sPREPAREFAILED;
        }
        _attribColumn =  selector.mid(index+10);
        copylist |= itRASTERSIZE | itGEOREF | itENVELOPE;
    }
    int indexindex = selector.indexOf("index=");
    if ( indexindex != -1) {
        copylist |= itDOMAIN | itGEOREF | itENVELOPE | itTABLE;
        _box = BoundingBox(inputRaster->size());
        QString zvalues = selector.mid(6);
        bool ok;
        _zvalue = zvalues.toInt(&ok);
        if ( !ok || _zvalue < 0) {
            ERROR3(ERR_ILLEGAL_PARM_3, TR("layer index"), zvalues,"Selection");
            return sPREPAREFAILED;
        }
        _box.min_corner().z = _zvalue;
        _box.max_corner().z = _zvalue;
        std::vector<qint32> vec{_box.min_corner().x, _box.min_corner().y,_box.min_corner().z};
        _base = vec;
    }

     _outputObj = OperationHelperRaster::initialize(_inputObj,inputType, copylist);
     if ( !_outputObj.isValid()) {
         ERROR1(ERR_NO_INITIALIZED_1, "output coverage");
         return sPREPAREFAILED;
     }
     IRasterCoverage outputRaster = _outputObj.as<RasterCoverage>();
     if ( (copylist & itDOMAIN) == 0) {
         outputRaster->datadefRef() = _attribColumn != "" ? inputRaster->attributeTable()->columndefinition(_attribColumn).datadef()
                                                   : outputRaster->datadefRef() = inputRaster->datadef();
     }
     QString outputName = _expression.parm(0,false).value();
     if ( outputName != sUNDEF)
         _outputObj->name(outputName);
     if ( (copylist & itGEOREF) == 0) {
        Resource resource(QUrl("ilwis://internalcatalog/georeference"),itGEOREF);
        resource.addProperty("size", IVARIANT(_box.size()));
        resource.addProperty("envelope", IVARIANT(box));
        resource.addProperty("coordinatesystem", IVARIANT(inputRaster->coordinateSystem()));
        resource.addProperty("name", _outputObj->name());
        resource.addProperty("centerofpixel",inputRaster->georeference()->centerOfPixel());
        IGeoReference  grf;
        grf.prepare(resource);
        outputRaster->georeference(grf);
        outputRaster->envelope(box);
    }
     if(indexindex != -1)  {
         Size<> sz(outputRaster->size().xsize(),outputRaster->size().xsize(), 1);
         outputRaster->size(sz);
     }

    return sPREPARED;
}

SelectionBase::ExpressionPart::ExpressionPart(const ICoverage& coverage, const QString& p){
    QString part = p.trimmed();
    _isValid = false;
    int index;
    if ( (index = part.indexOf("envelope("))!= -1) {
        _envelope = QString(part).replace("envelope", "box");
        _isValid = _envelope.isValid();
        _type = ptENVELOPE;
        if ( coverage->ilwisType() == itRASTER && _envelope.isValid()){
            IRasterCoverage raster = coverage.as<RasterCoverage>();
            _box = raster->georeference()->coord2Pixel(_envelope);
            //setEnvelopePolygon(raster);
        }
    } else if ((index = part.indexOf("boundingbox("))==0){
        _box = QString(part).replace("boundingbox", "box");
        _isValid = _box.isValid();
        _type = ptBOX;

    }else if ( (index = part.indexOf("polygon(")) != -1){
        _polygon.reset(GeometryHelper::fromWKT(part,0));
        _isValid = _polygon.get() != 0;
        _type = ptPOLYGON;

    }else if ( part.indexOf("attributes(")!= -1) {
        index = part.indexOf("(");
        int len = part.lastIndexOf(")") - index - 1;
        QString lst = part.mid(index + 1, len);
        QStringList attribs = lst.split(",");
        for(auto attrib : attribs){
            if ( coverage->attributeTable()->columnIndex(attrib) != iUNDEF)    {
                _attributes.push_back(attrib);
                _isValid = true;
            }
        }
        _type = ptATTRIBUTE;
    } else if (part.indexOf("rasterbands(")!=-1){
        index = part.indexOf("(");
        int len = part.lastIndexOf(")") - index - 1;
        QString lst = part.mid(index + 1, len);
        QStringList indexes = lst.split(",");
        IRasterCoverage raster = coverage.as<RasterCoverage>();
        for(auto ind : indexes){
            if (raster->stackDefinition().index(ind) != iUNDEF){
                _bands.push_back(ind);
                _isValid = true;
            }
        }
        _type = ptBANDS;

    }else if ((index = part.indexOf("featuretype("))==0){
        QString ft = part.mid(index + 1);
        if ( ft == "point")
            _geometryType = itPOINT;
        if ( ft == "line")
            _geometryType = itLINE;
        if ( ft == "polygon"){
            _geometryType = itPOLYGON;
        }
        _isValid = true;

    }else {
        std::map<QString,LogicalOperator> operators = {{"==", loEQ},{"<=",loLESSEQ},{">=", loGREATEREQ},{"<",loLESS},{">", loGREATER},{"!=",loNEQ}};
        int index1 = part.indexOf("\"");
        if ( index1 == -1)
            index1 = 10000;
        int index2 = 0;
        for(auto op : operators){
            if ((index2 = part.indexOf(op.first)) != -1){
                if ( index2 < index1)    {
                    _operator = op.second;
                    QString rights = part.mid(index2 + op.first.size()).trimmed();
                    _rightSide = rights.remove("\'");
                    QString leftSide = part.left(index2).trimmed();
                    if ( leftSide.toLower() == "pixelvalue"){
                        _leftSide = iUNDEF;
                        _isValid = true;
                    }else {
                        if ( (_leftSide = coverage->attributeTable()->columnIndex(leftSide)) == iUNDEF){
                            _isValid = false;
                        }else {
                            ColumnDefinition coldef = coverage->attributeTable()->columndefinition(_leftSide);
                            QVariant val = coldef.datadef().domain()->impliedValue(_rightSide);
                            _rightSide = val;
                        }
                    }

                    _type = ptATTRIBUTESELECTION;
                    break;
                }
            }
        }
    }
}

LayerModel *LayerManager::create(QStandardItem *parentLayer, const ICoverage &cov, LayerManager *lm, const IOOptions &options)
{
    if (cov->coordinateSystem()->isUnknown() && lm->rootLayer()->screenCsy().isValid()){
        QString mes = QString("coordinate system 'unknown' not compatible with coordinate system of the layerview");
        kernel()->issues()->log(mes, IssueObject::itWarning);
        return 0;
    }
    if (parentLayer == 0)
        parentLayer = lm->layerTree()->invisibleRootItem();

	QString type = TypeHelper::type2name(cov->ilwisType());
	if (options.contains("createtype")) {
		type = options["createtype"].toString();
	}
    auto iter = _createLayers.find(type);
    if ( iter != _createLayers.end()){
        auto createFunc   = (*iter).second;
        QString layername = options.contains("layername") ? options["layername"].toString(): cov->name();
        LayerModel *layer = createFunc(lm, parentLayer,layername, cov->description(),options);
		if (!lm->rootLayer()->screenCsy().isValid()) {// first real layer sets the csy
			lm->rootLayer()->screenCsy(cov->coordinateSystem());
            lm->rootLayer()->coverageEnvelope(cov->envelope());
            if (cov->ilwisType() == itRASTER) {
                IRasterCoverage rc = cov.as<RasterCoverage>();
                if (rc->georeference()->grfType<UndeterminedGeoReference>()) {
                    Envelope envUndetermned(Coordinate(0, 0), Coordinate(rc->size().xsize(), rc->size().ysize())); // none.grf bounds
                    lm->rootLayer()->coverageEnvelope(envUndetermned);
                }
            }
	  		lm->setLayerListName(layername);
		}
        else {
            // adjust rootlayer envelop to fit all layers
            Coordinate crd1_trans;
            Coordinate crd2_trans;
            Envelope envelop = cov->envelope();
            if (!cov->coordinateSystem()->isEqual(lm->rootLayer()->screenCsy().ptr())) {
                Coordinate crn1 = envelop.min_corner();
                Coordinate crn2 = envelop.max_corner();

                crd1_trans = lm->rootLayer()->screenCsy()->coord2coord(cov->coordinateSystem(), crn1);
                crd2_trans = lm->rootLayer()->screenCsy()->coord2coord(cov->coordinateSystem(), crn2);
            }
            else {
                crd1_trans = envelop.min_corner();
                crd2_trans = envelop.max_corner();
            }
            Envelope orgenv = lm->rootLayer()->coverageEnvelope();
            if (!(orgenv.contains(crd1_trans) && orgenv.contains(crd2_trans))) {
                orgenv += crd1_trans;
                orgenv += crd2_trans;

                lm->rootLayer()->coverageEnvelope(orgenv);
                if (cov->ilwisType() == itRASTER) {
                    // TODO: check georef none ?
                }
            }
        }
        qint32 lowernodeid = options.contains("lowernodeid") ? options["lowernodeid"].toInt() : iUNDEF;
		layer->nodeId(lm->nextId());
		layer->fillData();
        addLayer(parentLayer, layer, lm, lowernodeid);

		lm->lastAddedCoverageLayer(layer);
    
        return layer;
    }
    return 0;

}

Ilwis::OperationImplementation::State AggregateRaster::prepare(ExecutionContext *, const SymbolTable & )
{
    QString raster = _expression.parm(0).value();
    QString outputName = _expression.parm(0,false).value();
    int copylist = itDOMAIN | itCOORDSYSTEM;

    if (!_inputObj.prepare(raster, itRASTER)) {
        ERROR2(ERR_COULD_NOT_LOAD_2,raster,"");
        return sPREPAREFAILED;
    }
    _method = toMethod(_expression.parm(1).value());
    if ( _method == NumericStatistics::pLAST) {
        ERROR2(ERR_ILLEGAL_VALUE_2, "parameter value", " aggregation method");
        return sPREPAREFAILED;
    }
    bool ok;
    quint32 groupSz = _expression.parm(2).value().toInt(&ok);
    if (!ok) {
        QString blist = _expression.parm(2).value();
        blist.remove("{");
        blist.remove("}");
        QStringList dims = blist.split(" ");
        if ( dims.size() > 0) {
            for(int i=0; i < dims.size(); ++i)     {
                quint32 val = dims[i].toInt(&ok);
                if ( ok) {
                    _groupSize[i] = val;
                }else
                    break;
            }
        }

    }else {
        _groupSize[0] = groupSz;
        _groupSize[1] = groupSz;

    }
    if ( !ok || groupSize() < 2) {
        ERROR2(ERR_ILLEGAL_VALUE_2, "aggregation group size", QString::number(groupSize()));
        return sPREPAREFAILED;
    }

    _grouped = _expression.parm(3).value().toLower() == "true";
    if ( !_grouped)
        copylist |= itGEOREF;

    _outputObj = OperationHelperRaster::initialize(_inputObj,itRASTER, copylist);
    if ( !_outputObj.isValid()) {
        ERROR1(ERR_NO_INITIALIZED_1, "output rastercoverage");
        return sPREPAREFAILED;
    }
    QString outputBaseName = outputName;
    int index = 0;
    if ( (index = outputName.lastIndexOf(".")) != -1) {
        outputBaseName = outputName.left(index);
    }
    IRasterCoverage inputRaster = _inputObj.as<RasterCoverage>();
    IRasterCoverage outputRaster = _outputObj.as<RasterCoverage>();
    if ( outputName != sUNDEF)
        _outputObj->name(outputName);
    outputRaster->coordinateSystem(inputRaster->coordinateSystem());

    BoundingBox box(inputRaster->size());
    if ( _grouped) {
        int xs = box.xlength();
        int ys = box.ylength();
        int zs = box.zlength();
        int newxs = xs / groupSize(0);
        int newys = ys / groupSize(1);
        int newzs = zs / groupSize(2);
        box = BoundingBox(Size<>(newxs, newys, newzs));

    }
    if ( _expression.parameterCount() == 5 || _grouped) {
        Envelope envlope = inputRaster->envelope();
        Resource resource(QUrl("ilwis://internalcatalog/georeference"),itGEOREF);
        resource.addProperty("size", IVARIANT(box.size()));
        resource.addProperty("envelope", IVARIANT(envlope));
        resource.addProperty("coordinatesystem", inputRaster->coordinateSystem()->id());
        resource.addProperty("name", outputBaseName);
        resource.addProperty("centerofpixel",inputRaster->georeference()->centerOfPixel());
        IGeoReference  grf;
        if (grf.prepare(resource)) {
            mastercatalog()->addItems({resource});
            outputRaster->georeference(grf);
        }
        outputRaster->envelope(envlope);
        outputRaster->size(box.size());
    }

    initialize(outputRaster->size().linearSize());

    return sPREPARED;
}