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[core] No need for feature querying to support multipolygons

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This commit is contained in:
John Firebaugh
2016-10-07 11:49:22 -07:00
committed by Bruno de Oliveira Abinader
parent 61d8ecefda
commit 38e78e25df
12 changed files with 46 additions and 57 deletions
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49
src/mbgl/util/intersection_tests.cpp
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@@ -90,54 +90,47 @@ bool lineIntersectsBufferedLine(const GeometryCoordinates& lineA, const Geometry
return false;
}
bool multiPolygonIntersectsBufferedMultiPoint(const GeometryCollection& multiPolygon, const GeometryCollection& rings, float radius) {
for (auto& polygon : multiPolygon) {
for (auto& ring : rings) {
for (auto& point : ring) {
if (polygonContainsPoint(polygon, point)) return true;
if (pointIntersectsBufferedLine(point, polygon, radius)) return true;
}
bool polygonIntersectsBufferedMultiPoint(const GeometryCoordinates& polygon, const GeometryCollection& rings, float radius) {
for (auto& ring : rings) {
for (auto& point : ring) {
if (polygonContainsPoint(polygon, point)) return true;
if (pointIntersectsBufferedLine(point, polygon, radius)) return true;
}
}
return false;
}
bool multiPolygonIntersectsBufferedMultiLine(const GeometryCollection& multiPolygon, const GeometryCollection& multiLine, float radius) {
bool polygonIntersectsBufferedMultiLine(const GeometryCoordinates& polygon, const GeometryCollection& multiLine, float radius) {
for (auto& line : multiLine) {
for (auto& polygon : multiPolygon) {
if (polygon.size() >= 3) {
for (auto& p : line) {
if (polygonContainsPoint(polygon, p)) return true;
}
if (polygon.size() >= 3) {
for (auto& p : line) {
if (polygonContainsPoint(polygon, p)) return true;
}
if (lineIntersectsBufferedLine(polygon, line, radius)) return true;
}
if (lineIntersectsBufferedLine(polygon, line, radius)) return true;
}
return false;
}
bool multiPolygonIntersectsMultiPolygon(const GeometryCollection& multiPolygonA, const GeometryCollection& multiPolygonB) {
if (multiPolygonA.size() == 1 && multiPolygonA.at(0).size() == 1) {
return multiPolygonContainsPoint(multiPolygonB, multiPolygonA.at(0).at(0));
bool polygonIntersectsMultiPolygon(const GeometryCoordinates& polygon, const GeometryCollection& multiPolygon) {
if (polygon.size() == 1) {
return multiPolygonContainsPoint(multiPolygon, polygon.at(0));
}
for (auto& ring : multiPolygonB) {
for (auto& ring : multiPolygon) {
for (auto& p : ring) {
if (multiPolygonContainsPoint(multiPolygonA, p)) return true;
if (polygonContainsPoint(polygon, p)) return true;
}
}
for (auto& polygon : multiPolygonA) {
for (auto& p : polygon) {
if (multiPolygonContainsPoint(multiPolygonB, p)) return true;
}
for (auto& p : polygon) {
if (multiPolygonContainsPoint(multiPolygon, p)) return true;
}
for (auto& polygonB : multiPolygonB) {
if (lineIntersectsLine(polygon, polygonB)) return true;
}
for (auto& polygonB : multiPolygon) {
if (lineIntersectsLine(polygon, polygonB)) return true;
}
return false;