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ENH: detect in_head_wrap_zone more precisly 

1.Union first layer convex hull with object's bbox to detect whether
model enter head_wrap_detect_zone

jira:NEW

Signed-off-by: XunZhangBambu <xun.zhang@bambulab.com>
Change-Id: I11f26967d7421f41e9c824e62794c96591e6ae71
This commit is contained in:
XunZhangBambu 2024-03-06 16:02:44 +08:00 committed by Lane.Wei
parent 97541e2043
commit fef0f7811b
1 changed files with 29 additions and 3 deletions
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32
src/libslic3r/GCode.cpp
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@ -1096,7 +1096,7 @@ bool GCode::is_BBL_Printer()
return false;
}
//BBS : get the plate model's projection on first layer, contain plate offset
//BBS : get the plate model's projection on first layer, contain plate offset,unscaled data
BoundingBoxf GCode::first_layer_projection(const Print& print) const
{
// too slow
@ -1947,13 +1947,39 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
{bbox.min.x() - plate_offset.x(),bbox.min.y() - plate_offset.y()},
{bbox.max.x() - plate_offset.x(),bbox.max.y() - plate_offset.y()}
};
BoundingBoxf bbox_head_wrap_zone (print.config().head_wrap_detect_zone.values);
m_placeholder_parser.set("first_layer_print_convex_hull", pts.release());
m_placeholder_parser.set("first_layer_print_min", new ConfigOptionFloats({ bbox_without_plate_offset.min.x(),bbox_without_plate_offset.min.y() }));
m_placeholder_parser.set("first_layer_print_max", new ConfigOptionFloats({ bbox_without_plate_offset.max.x(),bbox_without_plate_offset.max.y() }));
m_placeholder_parser.set("first_layer_print_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
m_placeholder_parser.set("in_head_wrap_detect_zone",bbox_head_wrap_zone.overlap(bbox_without_plate_offset));
{ // BBS:deal with head wrap detect
// use first layer convex_hull union with each object's bbox to check whether in head detect zone
Polygons object_projections;
for (auto& obj : print.objects()) {
for (auto& instance : obj->instances()) {
const auto& bbox = instance.get_bounding_box();
Point min_p{ coord_t(scale_(bbox.min.x())),coord_t(scale_(bbox.min.y())) };
Point max_p{ coord_t(scale_(bbox.max.x())),coord_t(scale_(bbox.max.y())) };
Polygon instance_projection = {
{min_p.x(),min_p.y()},
{max_p.x(),min_p.y()},
{max_p.x(),max_p.y()},
{min_p.x(),max_p.y()}
};
object_projections.emplace_back(std::move(instance_projection));
}
}
object_projections.emplace_back(print.first_layer_convex_hull());
Polygons project_polys = union_(object_projections);
Polygon head_wrap_detect_zone;
for (auto& point : print.config().head_wrap_detect_zone.values)
head_wrap_detect_zone.append(scale_(point).cast<coord_t>() + scale_(plate_offset).cast<coord_t>());
m_placeholder_parser.set("in_head_wrap_detect_zone", !intersection_pl(project_polys, {head_wrap_detect_zone}).empty());
}
// get center without wipe tower
BoundingBoxf bbox_wo_wt;// bounding box without wipe tower
for (auto& objPtr : print.objects()) {