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Share the Estimated First-Layer Outline of the Wipe Tower

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The preview brim, the placement margin and the pre-generation validation
warning each decided on their own whether the tower has a Type2 cone
base, reading the wall type and cone angle three different ways. The
preview's read cast the preset's enum to ConfigOptionEnum<T>, which a
preset-shaped config never holds, so the cone base was never previewed.

estimate_wipe_tower_first_layer_outline now answers that question once,
beside the footprint estimate, from the config and the resolved planner;
all three sites take the outline from it. The libslic3r case reads the
outline off a preset-shaped config, where the old cast came back empty.
This commit is contained in:
Hanif Koh
2026-09-09 15:45:16 +08:00
committed by HanifKoh
parent fae77be3db
commit 2f2a6bc3b5
6 changed files with 64 additions and 38 deletions
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src/slic3r/GUI/3DScene.cpp
+7 -20
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@@ -21,7 +21,6 @@
#include "libslic3r/PresetBundle.hpp"
#include "libslic3r/ClipperUtils.hpp"
#include "libslic3r/GCode/WipeTower.hpp"
#include "libslic3r/GCode/WipeTower2.hpp"
#include "libslic3r/GCode/WipeTowerEstimate.hpp"
#include "libslic3r/Tesselate.hpp"
#include "libslic3r/PrintConfig.hpp"
@@ -928,25 +927,13 @@ int GLVolumeCollection::load_wipe_tower_preview(
const float brim_height = 0.2f; // one first layer, visual only
TriangleMesh brim_slab;
if (show_brim) {
// A Type2 cone-wall tower's base bulges past the body box — follow the real base
// outline instead of the rectangle. Type1 ignores the cone option.
Polygon cone_base;
{
// Preset enums are ConfigOptionEnumGeneric, so read them by value; the planner is
// resolved as the estimate resolves it, off the printer preset.
const DynamicPrintConfig &print_cfg = GUI::wxGetApp().preset_bundle->prints.get_edited_preset().config;
const DynamicPrintConfig &printer_cfg = GUI::wxGetApp().preset_bundle->printers.get_edited_preset().config;
const ConfigOption *wall_opt = print_cfg.option("wipe_tower_wall_type");
if (wall_opt != nullptr && wall_opt->getInt() == int(WipeTowerWallType::wtwCone) && resolve_wipe_tower_type(printer_cfg) == WipeTowerType::Type2)
cone_base = WipeTower2::cone_base_polygon(width, depth, height, print_cfg.opt_float("wipe_tower_cone_angle"));
}
if (!cone_base.empty()) {
Polygons brim_outline = offset(cone_base, scaled(brim_width));
brim_slab = WipeTower::its_make_rib_brim(brim_outline.empty() ? cone_base : brim_outline.front(), brim_height);
} else {
brim_slab = make_cube(width + 2.f * brim_width, depth + 2.f * brim_width, brim_height);
brim_slab.translate({-brim_width, -brim_width, 0.f});
}
// The brim follows the real first-layer outline: a Type2 cone-wall tower's base bulges
// past the body box. The wall type and angle are print settings, the planner a printer one.
const DynamicPrintConfig &print_cfg = GUI::wxGetApp().preset_bundle->prints.get_edited_preset().config;
const DynamicPrintConfig &printer_cfg = GUI::wxGetApp().preset_bundle->printers.get_edited_preset().config;
const Polygon outline = estimate_wipe_tower_first_layer_outline(print_cfg, resolve_wipe_tower_type(printer_cfg), width, depth, height);
const Polygons brim_outline = offset(outline, scaled(brim_width));
brim_slab = WipeTower::its_make_rib_brim(brim_outline.empty() ? outline : brim_outline.front(), brim_height);
wipe_tower_shell.merge(brim_slab);
}
for (int extruder_id : plate_extruders) {