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Spiral vase improvements and bugfixes.

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Fixes Connecting / expanding Bottom Layers to Vase Perimeter #253
Fixes Slicing error in vase mode #452
Fixes Slicing Issue (Vase Mode, 0.6mm dmr nozzle) #1887
Fixes Top fill pattern isn't used in spiral vase mode #2533
Fixes Cisar's vase doesn't slice correctly, creates artefacts #3595

When the model is sliced, all the contours are newly oriented
counter-clockwise (even holes), merged and then only the largest area
contour is retained. In perimeter generator, if the largest contour
splits into multiple perimeters, newly only the largest area perimeter
is retained in spiral vase mode. These two changes solve #3595 and similar.

The infill is newly calculated only for the bottom solid layers
if the spiral vase mode is active (removes various unwanted infill
along the vase walls), and the last bottom solid layer is switched
to a top solid pattern (solves #2533).

The thin walls are newly enforced to be disabled in spiral vase mode,
and the "ensure vertical shell wall" is enforced in spiral vase mode
to extend the bottom of the vase to the vase hull (fixes #253).
This commit is contained in:
bubnikv 2020-02-08 21:36:29 +01:00
parent 79ce691d58
commit 4e11552da9
16 changed files with 171 additions and 71 deletions
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6
src/libslic3r/LayerRegion.cpp
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@ -362,8 +362,10 @@ void LayerRegion::prepare_fill_surfaces()
alter fill_surfaces boundaries on which our idempotency relies since that's
the only meaningful information returned by psPerimeters. */
bool spiral_vase = this->layer()->object()->print()->config().spiral_vase;
// if no solid layers are requested, turn top/bottom surfaces to internal
if (this->region()->config().top_solid_layers == 0) {
if (! spiral_vase && this->region()->config().top_solid_layers == 0) {
for (Surface &surface : this->fill_surfaces.surfaces)
if (surface.is_top())
surface.surface_type = this->layer()->object()->config().infill_only_where_needed ? stInternalVoid : stInternal;
@ -375,7 +377,7 @@ void LayerRegion::prepare_fill_surfaces()
}
// turn too small internal regions into solid regions according to the user setting
if (this->region()->config().fill_density.value > 0) {
if (! spiral_vase && this->region()->config().fill_density.value > 0) {
// scaling an area requires two calls!
double min_area = scale_(scale_(this->region()->config().solid_infill_below_area.value));
for (Surface &surface : this->fill_surfaces.surfaces)