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FIX: raft of tree support was incorrect

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1. Raft was not generated when tree support is selected but enable_support is false.
2. Raft angle and density of tree support was incorrect

github: #3675
Change-Id: Ifd78bf619a28eb03a908e75ad56af4934b6b08b7
(cherry picked from commit 2a448095a2fb4a2abebb0a5c8082a2ddbb635f16)
(cherry picked from commit e7ffe31cb3c6b526268adb4c2349a2623b181c53)
This commit is contained in:
Arthur 2024-03-06 09:50:15 +08:00 • committed by Noisyfox
parent 31a5f0d523
commit 562dc76ab0
1 changed files with 8 additions and 7 deletions
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15
src/libslic3r/Support/TreeSupport.cpp
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@ -1333,12 +1333,13 @@ void TreeSupport::generate_toolpaths()
auto raft_areas1 = offset_ex(raft_areas, scale_(expand_offset)); auto raft_areas1 = offset_ex(raft_areas, scale_(expand_offset));
Flow support_flow = Flow(support_extrusion_width, ts_layer->height, nozzle_diameter); Flow support_flow = Flow(support_extrusion_width, ts_layer->height, nozzle_diameter);
Fill* filler_interface = Fill::new_from_type(ipRectilinear); Fill* filler_raft = Fill::new_from_type(ipRectilinear);
filler_interface->angle = layer_nr == 0 ? 90 : 0; filler_raft->angle = layer_nr == 0 ? PI/2 : 0;
filler_interface->spacing = support_extrusion_width; filler_raft->spacing = support_flow.spacing();
FillParams fill_params; FillParams fill_params;
fill_params.density = object_config.raft_first_layer_density * 0.01; coordf_t raft_density = std::min(1., support_flow.spacing() / (object_config.support_base_pattern_spacing.value + support_flow.spacing()));
fill_params.density = layer_nr == 0 ? object_config.raft_first_layer_density * 0.01 : raft_density;
fill_params.dont_adjust = true; fill_params.dont_adjust = true;
// wall of first layer raft // wall of first layer raft
@ -1349,7 +1350,7 @@ void TreeSupport::generate_toolpaths()
raft_areas1 = offset_ex(raft_areas1, -flow.scaled_spacing() / 2.); raft_areas1 = offset_ex(raft_areas1, -flow.scaled_spacing() / 2.);
} }
fill_expolygons_generate_paths(ts_layer->support_fills.entities, raft_areas1, fill_expolygons_generate_paths(ts_layer->support_fills.entities, raft_areas1,
filler_interface, fill_params, erSupportMaterial, support_flow); filler_raft, fill_params, erSupportMaterial, support_flow);
} }
// subtract the non-raft support bases, otherwise we'll get support base on top of raft interfaces which is not stable // subtract the non-raft support bases, otherwise we'll get support base on top of raft interfaces which is not stable
@ -1372,8 +1373,8 @@ void TreeSupport::generate_toolpaths()
Flow support_flow(support_extrusion_width, ts_layer->height, nozzle_diameter); Flow support_flow(support_extrusion_width, ts_layer->height, nozzle_diameter);
Fill* filler_interface = Fill::new_from_type(ipRectilinear); Fill* filler_interface = Fill::new_from_type(ipRectilinear);
filler_interface->angle = 0; filler_interface->angle = PI / 2; // interface should be perpendicular to base
filler_interface->spacing = support_extrusion_width; filler_interface->spacing = support_flow.spacing();
FillParams fill_params; FillParams fill_params;
fill_params.density = interface_density; fill_params.density = interface_density;