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Add --clip-bounding-box option to clip input geometry

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Eric Fischer
2018-10-22 16:49:33 -07:00
parent 0acdeef525
commit 5dfbc4a281
12 changed files with 199 additions and 7 deletions
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serial.cpp
+10
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@@ -387,6 +387,16 @@ int serialize_feature(struct serialization_state *sst, serial_feature &sf) {
sf.geometry = fix_polygon(sf.geometry);
}
for (auto &c : clipbboxes) {
if (sf.t == VT_POLYGON) {
sf.geometry = simple_clip_poly(sf.geometry, c.minx >> geometry_scale, c.miny >> geometry_scale, c.maxx >> geometry_scale, c.maxy >> geometry_scale);
} else if (sf.t == VT_LINE) {
sf.geometry = clip_lines(sf.geometry, c.minx >> geometry_scale, c.miny >> geometry_scale, c.maxx >> geometry_scale, c.maxy >> geometry_scale);
} else if (sf.t == VT_POINT) {
sf.geometry = clip_point(sf.geometry, c.minx >> geometry_scale, c.miny >> geometry_scale, c.maxx >> geometry_scale, c.maxy >> geometry_scale);
}
}
if (!sf.has_id) {
if (additional[A_GENERATE_IDS]) {
sf.has_id = true;