diff options
Diffstat (limited to 'src/datavisualization/engine/qabstract3dgraph.cpp')
| -rw-r--r-- | src/datavisualization/engine/qabstract3dgraph.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/datavisualization/engine/qabstract3dgraph.cpp b/src/datavisualization/engine/qabstract3dgraph.cpp index df6ed597..47802c89 100644 --- a/src/datavisualization/engine/qabstract3dgraph.cpp +++ b/src/datavisualization/engine/qabstract3dgraph.cpp @@ -647,11 +647,20 @@ qreal QAbstract3DGraph::aspectRatio() const /*! * \property QAbstract3DGraph::optimizationHints * - * Defines if the rendering optimization is default or static. Default mode provides the full feature set at - * reasonable performance. Static optimizes graph rendering and is ideal for large non-changing data sets. - * It is slower with dynamic data changes and item rotations. Selection is not optimized, so using it with - * massive data sets is not advisable. Static works only on the Scatter graph. + * Defines if the rendering optimization is default or static. Default mode provides the full + * feature set at reasonable performance. Static mode optimizes graph rendering and is ideal for + * large non-changing data sets. It is slower with dynamic data changes and item rotations. + * Selection is not optimized, so using it with massive data sets is not advisable. + * Static works only on the Scatter graph. * Defaults to \c{OptimizationDefault}. + * + * \note On some environments, large graphs using static optimization may not render, because + * all of the items are rendered using a single draw call, and different graphics drivers have + * different maximum vertice counts per call that they support. + * This is mostly an issue on 32bit and/or OpenGL ES2 platforms. + * To work around this issue, choose an item mesh with low vertex count or use the point mesh. + * + * \sa QAbstract3DSeries::mesh */ void QAbstract3DGraph::setOptimizationHints(OptimizationHints hints) { |