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Fix: chamfer off

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xiaoyeliu
2026-02-05 23:14:58 +08:00
parent 13cdd94954
commit 23dce61f0a
2 changed files with 25 additions and 12 deletions
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3
.gitignore vendored
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@@ -40,4 +40,5 @@ resources/profiles/user/default
*.code-workspace *.code-workspace
deps_src/build/ deps_src/build/
.claude/ .claude/
.omc .omc
nul

34
src/libslic3r/GCode/WipeTower2.cpp
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@@ -2081,25 +2081,37 @@ WipeTower::ToolChangeResult WipeTower2::finish_layer()
// brim with chamfer (gradual layer-by-layer reduction) // brim with chamfer (gradual layer-by-layer reduction)
int loops_num = (m_wipe_tower_brim_width + spacing / 2.f) / spacing; int loops_num = (m_wipe_tower_brim_width + spacing / 2.f) / spacing;
// Apply chamfer reduction if feature is enabled and brim width is configured // Apply brim logic based on chamfer setting
if (m_wipe_tower_brim_width > 0 && m_prime_tower_brim_chamfer) { if (m_wipe_tower_brim_width > 0) {
if (!first_layer) { if (first_layer) {
// First layer: always print full brim (loops_num unchanged)
} else if (m_prime_tower_brim_chamfer) {
// Non-first layer + chamfer enabled: apply gradual reduction
// Calculate distance from first layer with tool changes // Calculate distance from first layer with tool changes
size_t current_idx = m_layer_info - m_plan.begin(); size_t current_idx = m_layer_info - m_plan.begin();
int dist_to_1st = (int) current_idx - (int) m_first_layer_idx; int dist_to_1st = (int) current_idx - (int) m_first_layer_idx;
// Stop print chamfer if depth changes // Validate m_first_layer_idx to prevent invalid index access
bool depth_changed = (m_layer_info->depth != m_plan[m_first_layer_idx].depth); if (m_first_layer_idx == size_t(-1) || m_first_layer_idx >= m_plan.size()) {
if (depth_changed) { // Invalid first layer index, don't print brim
loops_num = 0; loops_num = 0;
} else { } else {
// Limit max chamfer width to configured value // Stop print chamfer if depth changes
int chamfer_loops_num = (int) (m_prime_tower_brim_chamfer_max_width / spacing); bool depth_changed = (m_layer_info->depth != m_plan[m_first_layer_idx].depth);
loops_num = std::min(loops_num, chamfer_loops_num) - dist_to_1st; if (depth_changed) {
// Ensure loops_num doesn't go negative
if (loops_num < 0)
loops_num = 0; loops_num = 0;
} else {
// Limit max chamfer width to configured value
int chamfer_loops_num = (int) (m_prime_tower_brim_chamfer_max_width / spacing);
loops_num = std::min(loops_num, chamfer_loops_num) - dist_to_1st;
// Ensure loops_num doesn't go negative
if (loops_num < 0)
loops_num = 0;
}
} }
} else {
// Non-first layer + chamfer disabled: don't print brim (revert to original behavior)
loops_num = 0;
} }
} }