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Allow specify wall directions (#4156)

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* Add wall direction option

* Force wall direction if specified

* Format

* Rename default to auto
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Noisyfox 2024-02-23 20:45:56 +08:00 • committed by GitHub
parent d82987ca32
commit e4255b3c01
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8 changed files with 67 additions and 5 deletions
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27
src/libslic3r/PerimeterGenerator.cpp
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@ -40,7 +40,6 @@ public:
// Polygon of this contour.
Polygon polygon;
// Is it a contour or a hole?
// Contours are CCW oriented, holes are CW oriented.
bool is_contour;
// BBS: is perimeter using smaller width
bool is_smaller_width_perimeter;
@ -1733,8 +1732,19 @@ void PerimeterGenerator::process_classic()
// at this point, all loops should be in contours[0]
bool steep_overhang_contour = false;
bool steep_overhang_hole = false;
const WallDirection wall_direction = config->wall_direction;
if (wall_direction != WallDirection::Auto) {
// Skip steep overhang detection if wall direction is specified
steep_overhang_contour = true;
steep_overhang_hole = true;
}
ExtrusionEntityCollection entities = traverse_loops(*this, contours.front(), thin_walls, steep_overhang_contour, steep_overhang_hole);
reorient_perimeters(entities, steep_overhang_contour, steep_overhang_hole, this->config->overhang_reverse_internal_only);
// All walls are counter-clockwise initially, so we don't need to reorient it if that's what we want
if (wall_direction != WallDirection::CounterClockwise) {
reorient_perimeters(entities, steep_overhang_contour, steep_overhang_hole,
// Reverse internal only if the wall direction is auto
this->config->overhang_reverse_internal_only && wall_direction == WallDirection::Auto);
}
// if brim will be printed, reverse the order of perimeters so that
// we continue inwards after having finished the brim
@ -2524,8 +2534,19 @@ void PerimeterGenerator::process_arachne()
bool steep_overhang_contour = false;
bool steep_overhang_hole = false;
const WallDirection wall_direction = config->wall_direction;
if (wall_direction != WallDirection::Auto) {
// Skip steep overhang detection if wall direction is specified
steep_overhang_contour = true;
steep_overhang_hole = true;
}
if (ExtrusionEntityCollection extrusion_coll = traverse_extrusions(*this, ordered_extrusions, steep_overhang_contour, steep_overhang_hole); !extrusion_coll.empty()) {
reorient_perimeters(extrusion_coll, steep_overhang_contour, steep_overhang_hole, this->config->overhang_reverse_internal_only);
// All walls are counter-clockwise initially, so we don't need to reorient it if that's what we want
if (wall_direction != WallDirection::CounterClockwise) {
reorient_perimeters(extrusion_coll, steep_overhang_contour, steep_overhang_hole,
// Reverse internal only if the wall direction is auto
this->config->overhang_reverse_internal_only && wall_direction == WallDirection::Auto);
}
this->loops->append(extrusion_coll);
}