private void RenderFeatures(Graphics g, QuickTransformArgs quickTransfrom)
{
IFeatureClass fetclass = _class as IFeatureClass;
IGrid[] grids = fetclass.Grids;
if (grids == null || grids.Length == 0)
{
return;
}
try
{
fetclass.RepeatFeatureRecorder.BeginRender();
int gridCount = grids.Length;
Envelope currentExtent = _environment.ExtentOfProjectionCoord;
Grid gd = null;
IOutsideIndicator outsideIndicator = null;
//
for (int i = 0; i < gridCount; i++)
{
gd = grids[i] as Grid;
if (gd.IsEmpty())
{
continue;
}
outsideIndicator = (gd as ISupportOutsideIndicator).OutsideIndicator;
//test,draw grids
//DrawTestGrid(gd, g, quickTransfrom);
//
/* 为了测试其他投影矢量绘制注释掉
* outsideIndicator.SetOutside(!currentExtent.IsInteractived(gd.GridEnvelope,ref gd._isfullInternal));
* if (outsideIndicator.IsOutside)
* continue;
*/
outsideIndicator.SetOutside(!currentExtent.IsInteractived(gd.GridEnvelope, ref gd._isfullInternal));
if (outsideIndicator.IsOutside)
{
continue;
}
_featureRender.Render(_enabledDisplayLevel, quickTransfrom, gd, g, currentExtent, fetclass.RepeatFeatureRecorder);
}
}
finally
{
fetclass.RepeatFeatureRecorder.EndRender();
}
}