本文整理汇总了C++中SpatialDataView::translateScreenToWorld方法的典型用法代码示例。如果您正苦于以下问题:C++ SpatialDataView::translateScreenToWorld方法的具体用法?C++ SpatialDataView::translateScreenToWorld怎么用?C++ SpatialDataView::translateScreenToWorld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SpatialDataView
的用法示例。
在下文中一共展示了SpatialDataView::translateScreenToWorld方法的1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: orient
void EastArrowObjectImp::orient()
{
if (isOriented() == true)
{
return;
}
GraphicLayer* pLayer = NULL;
pLayer = getLayer();
if (pLayer == NULL)
{
return;
}
View* pView = NULL;
pView = pLayer->getView();
if (pView == NULL)
{
return;
}
SpatialDataView* pSpatialDataView = NULL;
if (pView->isKindOf("SpatialDataView") == true)
{
pSpatialDataView = static_cast<SpatialDataView*> (pView);
}
else if (pView->isKindOf("ProductView") == true)
{
ProductView* pProductView = static_cast<ProductView*> (pView);
GraphicLayer* pLayoutLayer = NULL;
pLayoutLayer = pProductView->getLayoutLayer();
if (pLayoutLayer == pLayer)
{
list<GraphicObject*> viewObjects;
pLayoutLayer->getObjects(VIEW_OBJECT, viewObjects);
list<GraphicObject*>::iterator iter = viewObjects.begin();
while (iter != viewObjects.end())
{
GraphicObject* pObject = *iter;
if (pObject != NULL)
{
View* pObjectView = pObject->getObjectView();
if (pObjectView != NULL)
{
if (pObjectView->isKindOf("SpatialDataView") == true)
{
pSpatialDataView = static_cast<SpatialDataView*> (pObjectView);
}
}
}
++iter;
}
}
}
if (pSpatialDataView == NULL)
{
return;
}
LayerList* pLayerList = pSpatialDataView->getLayerList();
VERIFYNRV(pLayerList != NULL);
RasterElement* pRaster = pLayerList->getPrimaryRasterElement();
VERIFYNRV(pRaster != NULL);
if (!pRaster->isGeoreferenced())
{
return;
}
// Calculate the angle of the object relative to the pixel coordinates
updateHandles();
LocationType pixelStart = mHandles[7];
ProductView* pProductView = dynamic_cast<ProductView*> (pView);
if (pProductView != NULL)
{
// Convert to the screen coordinate system
double dScreenX = 0;
double dScreenY = 0;
pLayer->translateDataToWorld(pixelStart.mX, pixelStart.mY, pixelStart.mX, pixelStart.mY);
pProductView->translateWorldToScreen(pixelStart.mX, pixelStart.mY, dScreenX, dScreenY);
// Convert to the spatial data view coordinate system
pSpatialDataView->translateScreenToWorld(dScreenX,
dScreenY, pixelStart.mX, pixelStart.mY);
pLayer->translateWorldToData(pixelStart.mX, pixelStart.mY, pixelStart.mX, pixelStart.mY);
}
double dAngle;
if (GeoAlgorithms::getAngleToNorth(pRaster, dAngle, pixelStart) == false)
{
return;
}
// Update the angle if the object is in the layout layer
if (pProductView != NULL)
//.........这里部分代码省略.........