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Debugging Layout#break_polygons etc.

This commit is contained in:
Matthias Koefferlein 2024-07-17 00:51:01 +02:00
parent a89e295349
commit b6cc636b05
2 changed files with 31 additions and 29 deletions
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56
src/db/db/dbLayoutUtils.cc
View File

@ -687,6 +687,31 @@ scale_and_snap (db::Layout &layout, db::Cell &cell, db::Coord g, db::Coord m, db
// ------------------------------------------------------------
// break_polygons implementation
static bool split_polygon (bool first, db::Polygon &poly, size_t max_vertex_count, double max_area_ratio, std::vector<db::Polygon> &parts)
{
if ((max_vertex_count > 0 && poly.vertices () > max_vertex_count) ||
(max_area_ratio > 0 && poly.area_ratio () > max_area_ratio)) {
std::vector<db::Polygon> sp;
db::split_polygon (poly, sp);
for (auto p = sp.begin (); p != sp.end (); ++p) {
split_polygon (false, *p, max_vertex_count, max_area_ratio, parts);
}
return true;
} else {
if (! first) {
parts.push_back (db::Polygon ());
parts.back ().swap (poly);
}
return false;
}
}
void
break_polygons (db::Shapes &shapes, size_t max_vertex_count, double max_area_ratio)
{
@ -694,34 +719,11 @@ break_polygons (db::Shapes &shapes, size_t max_vertex_count, double max_area_rat
std::vector<db::Shape> to_delete;
for (auto s = shapes.begin (db::ShapeIterator::Polygons | db::ShapeIterator::Paths); ! s.at_end (); ++s) {
std::vector<db::Polygon> polygons;
polygons.push_back (db::Polygon ());
s->instantiate (polygons.back ());
bool first = true;
while (! polygons.empty ()) {
std::vector<db::Polygon> split_polygons;
for (auto p = polygons.begin (); p != polygons.end (); ++p) {
if ((max_vertex_count > 0 && p->vertices () > max_vertex_count) ||
(max_area_ratio > 0 && p->area_ratio () > max_area_ratio)) {
if (first) {
to_delete.push_back (*s);
}
db::split_polygon (*p, split_polygons);
} else if (! first) {
new_polygons.push_back (db::Polygon ());
new_polygons.back ().swap (*p);
}
}
first = false;
polygons.swap (split_polygons);
db::Polygon poly;
s->instantiate (poly);
if (split_polygon (true, poly, max_vertex_count, max_area_ratio, new_polygons)) {
to_delete.push_back (*s);
}
}
shapes.erase_shapes (to_delete);

4
src/db/db/gsiDeclDbLayout.cc
View File

@ -1967,7 +1967,7 @@ Class<db::Layout> decl_Layout ("db", "Layout",
"\n"
"This method has been introduced in version 0.26.1.\n"
) +
gsi::method_ext ("break_polygons", &break_polygons1, gsi::arg ("max_vertex_count"), gsi::arg ("max_area_ratio", 0.0),
gsi::method_ext ("break_polygons", &break_polygons1, gsi::arg ("max_vertex_count"), gsi::arg ("max_area_ratio"),
"@brief Breaks the polygons of the layout into smaller ones\n"
"\n"
"There are two criteria for splitting a polygon: a polygon is split into parts with less then "
@ -1987,7 +1987,7 @@ Class<db::Layout> decl_Layout ("db", "Layout",
"\n"
"This method has been introduced in version 0.29.5."
) +
gsi::method_ext ("break_polygons", &break_polygons2, gsi::arg ("layer"), gsi::arg ("max_vertex_count"), gsi::arg ("max_area_ratio", 0.0),
gsi::method_ext ("break_polygons", &break_polygons2, gsi::arg ("layer"), gsi::arg ("max_vertex_count"), gsi::arg ("max_area_ratio"),
"@brief Breaks the polygons of the layer into smaller ones\n"
"\n"
"This variant applies breaking to all cells and the given layer.\n"