public override bool Draw(RenderContext11 renderContext, float opacity, bool flat) { renderContext.WorldBase = renderContext.World ; renderContext.ViewBase = renderContext.View; Earth3d.MainWindow.MakeFrustum(); renderContext.MakeFrustum(); Earth3d.MainWindow.PaintLayerFullTint11(imageSet, this.Opacity * opacity * 100, Color); return true; }