private void QueuePolygonsConsideringSupport(int layerIndex, GCodePlanner gcodeLayer, Polygons polygonsToWrite, GCodePathConfig fillConfig, SupportWriteType supportWriteType)
{
if (config.generateSupport
&& layerIndex > 0
&& !config.continuousSpiralOuterPerimeter)
{
Polygons supportOutlines = slicingData.support.GetRequiredSupportAreas(layerIndex);
if (supportWriteType == SupportWriteType.UnsupportedAreas)
{
if (supportOutlines.Count > 0)
{
Polygons polygonsNotOnSupport;
// don't write the bottoms that are sitting on supported areas (they will be written at air gap distance later).
polygonsToWrite = PolygonsHelper.ConvertToLines(polygonsToWrite);
polygonsNotOnSupport = polygonsToWrite.CreateLineDifference(supportOutlines);
gcodeLayer.QueuePolygonsByOptimizer(polygonsNotOnSupport, fillConfig);
}
else
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
else
{
if (supportOutlines.Count > 0)
{
if (supportOutlines.Count > 0)
{
// write the bottoms that are sitting on supported areas.
Polygons polygonsOnSupport;
polygonsToWrite = PolygonsHelper.ConvertToLines(polygonsToWrite);
polygonsOnSupport = supportOutlines.CreateLineIntersections(polygonsToWrite);
// ensure that all the segments have only 2 points
foreach(Polygon poly in polygonsOnSupport)
{
while(poly.Count > 2)
{
// This is an error and I'm not sure why it happened. It needs to be investigated. // LBB 2016 01 12
poly.RemoveAt(poly.Count - 1);
}
}
gcodeLayer.QueuePolygonsByOptimizer(polygonsOnSupport, fillConfig);
}
else
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}
}
}
else if (supportWriteType == SupportWriteType.UnsupportedAreas)
{
gcodeLayer.QueuePolygonsByOptimizer(polygonsToWrite, fillConfig);
}
}