3DPrinting/PrusaSlicer-NonPlainar
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Fixed "Too much support generated for buildplate only supports"

Browse source 
https://github.com/prusa3d/Slic3r/issues/359
This commit is contained in:
bubnikv 2017-07-07 18:06:41 +02:00
parent 774c69e3c6
commit 7c1350d007
1 changed files with 10 additions and 6 deletions
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16
xs/src/libslic3r/SupportMaterial.cpp
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@ -730,6 +730,11 @@ PrintObjectSupportMaterial::MyLayersPtr PrintObjectSupportMaterial::top_contact_
if (lower_layer_offset == 0.f) { if (lower_layer_offset == 0.f) {
// Support everything. // Support everything.
diff_polygons = diff(layerm_polygons, lower_layer_polygons); diff_polygons = diff(layerm_polygons, lower_layer_polygons);
if (! buildplate_covered.empty()) {
// Don't support overhangs above the top surfaces.
// This step is done before the contact surface is calculated by growing the overhang region.
diff_polygons = diff(diff_polygons, buildplate_covered[layer_id]);
}
} else { } else {
// Get the regions needing a suport, collapse very tiny spots. // Get the regions needing a suport, collapse very tiny spots.
//FIXME cache the lower layer offset if this layer has multiple regions. //FIXME cache the lower layer offset if this layer has multiple regions.
@ -737,6 +742,11 @@ PrintObjectSupportMaterial::MyLayersPtr PrintObjectSupportMaterial::top_contact_
diff(layerm_polygons, diff(layerm_polygons,
offset(lower_layer_polygons, lower_layer_offset, SUPPORT_SURFACES_OFFSET_PARAMETERS)), offset(lower_layer_polygons, lower_layer_offset, SUPPORT_SURFACES_OFFSET_PARAMETERS)),
-0.1f*fw, +0.1f*fw); -0.1f*fw, +0.1f*fw);
if (! buildplate_covered.empty()) {
// Don't support overhangs above the top surfaces.
// This step is done before the contact surface is calculated by growing the overhang region.
diff_polygons = diff(diff_polygons, buildplate_covered[layer_id]);
}
if (diff_polygons.empty()) if (diff_polygons.empty())
continue; continue;
// Offset the support regions back to a full overhang, restrict them to the full overhang. // Offset the support regions back to a full overhang, restrict them to the full overhang.
@ -826,12 +836,6 @@ PrintObjectSupportMaterial::MyLayersPtr PrintObjectSupportMaterial::top_contact_
} }
} // if (m_objconfig->dont_support_bridges) } // if (m_objconfig->dont_support_bridges)
if (! buildplate_covered.empty()) {
// Don't support overhangs above the top surfaces.
// This step is done before the contact surface is calculated by growing the overhang region.
diff_polygons = diff(diff_polygons, buildplate_covered[layer_id]);
}
if (diff_polygons.empty()) if (diff_polygons.empty())
continue; continue;