コード例 #1
0
ファイル: GeometryEditor.cpp プロジェクト: kanbang/Colt
Polygon*
GeometryEditor::editPolygon(const Polygon *polygon,GeometryEditorOperation *operation)
{
	Polygon* newPolygon=(Polygon*) operation->edit(polygon, factory);
	if (newPolygon->isEmpty()) {
		//RemoveSelectedPlugIn relies on this behaviour. [Jon Aquino]
		return newPolygon;
	}
	LinearRing* shell = (LinearRing*) edit(newPolygon->getExteriorRing(),operation);
	if (shell->isEmpty()) {
		//RemoveSelectedPlugIn relies on this behaviour. [Jon Aquino]
		delete shell;
		delete newPolygon;
		return factory->createPolygon(NULL,NULL);
	}

	vector<Geometry*> *holes=new vector<Geometry*>;
	for (int i=0;i<newPolygon->getNumInteriorRing(); i++) {
		LinearRing *hole =(LinearRing*) edit(newPolygon->getInteriorRingN(i),operation);
		if (hole->isEmpty()) {
			continue;
		}
		holes->push_back(hole);
	}
	delete newPolygon;
	return factory->createPolygon(shell,holes);
}
コード例 #2
0
ファイル: GeometryEditor.cpp プロジェクト: AvlWx2014/basemap
Polygon*
GeometryEditor::editPolygon(const Polygon *polygon,GeometryEditorOperation *operation)
{
	Polygon* newPolygon= dynamic_cast<Polygon*>(
    operation->edit(polygon, factory)
  );
	if (newPolygon->isEmpty()) {
		//RemoveSelectedPlugIn relies on this behaviour. [Jon Aquino]
		return newPolygon;
	}

	Geometry* editResult = edit(newPolygon->getExteriorRing(),operation);

	LinearRing* shell = dynamic_cast<LinearRing*>(editResult);
	if (shell->isEmpty()) {
		//RemoveSelectedPlugIn relies on this behaviour. [Jon Aquino]
		delete shell;
		delete newPolygon;
		return factory->createPolygon(NULL,NULL);
	}

	vector<Geometry*> *holes=new vector<Geometry*>;
	for (size_t i=0, n=newPolygon->getNumInteriorRing(); i<n; ++i)
	{

		Geometry *hole_geom = edit(newPolygon->getInteriorRingN(i),
			operation);

		LinearRing *hole = dynamic_cast<LinearRing*>(hole_geom);
		assert(hole);

		if (hole->isEmpty())
		{
			continue;
		}
		holes->push_back(hole);
	}
	delete newPolygon;
	return factory->createPolygon(shell,holes);
}
コード例 #3
0
ファイル: Polygon.cpp プロジェクト: lozpeng/applesales
void Polygon::AddGeometry(Geometry *pGeometry)
{
	LinearRing *pring = dynamic_cast<LinearRing*>(pGeometry);
	
	if(pring ==NULL)
	{
		return;
	}
	//如果环是不闭合的,并且不是一个空环,则不能加入到多边形中
	if(!pring->isClosed() && !pring->isEmpty())
	{
		return;
	}
	//当外环为空时,将这个环替换外环
	if(shell->isEmpty())
	{
        delete shell;
		shell =pring;
		return;
	}

	holes->push_back(pring);
}