3DPrinting/PrusaSlicer-NonPlainar
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Fix of SPE-513: unblockable supports

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There was a bug in the "don't support bridges" feature, where
there were supports added to the end of non-supported bridges
without taking into account the overhang angle or the support blockers.
This commit is contained in:
bubnikv 2018-10-03 16:12:24 +02:00
parent f8eb215937
commit 38f8ed62a0
1 changed files with 5 additions and 6 deletions
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11
xs/src/libslic3r/SupportMaterial.cpp
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@ -783,14 +783,13 @@ namespace SupportMaterialInternal {
if (surface.surface_type == stBottomBridge && surface.bridge_angle != -1)
polygons_append(bridges, surface.expolygon);
//FIXME add the gap filled areas. Extrude the gaps with a bridge flow?
contact_polygons = diff(contact_polygons, bridges, true);
// Add the bridge anchors into the region.
// Remove the unsupported ends of the bridges from the bridged areas.
//FIXME add supports at regular intervals to support long bridges!
polygons_append(contact_polygons,
intersection(
bridges = diff(bridges,
// Offset unsupported edges into polygons.
offset(layerm->unsupported_bridge_edges.polylines, scale_(SUPPORT_MATERIAL_MARGIN), SUPPORT_SURFACES_OFFSET_PARAMETERS),
bridges));
offset(layerm->unsupported_bridge_edges.polylines, scale_(SUPPORT_MATERIAL_MARGIN), SUPPORT_SURFACES_OFFSET_PARAMETERS));
// Remove bridged areas from the supported areas.
contact_polygons = diff(contact_polygons, bridges, true);
}
}