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FlatGeobuf multipoints [#2]

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This commit is contained in:
Brandon Liu
2022-03-27 19:13:43 +08:00
parent 33a9aef758
commit 245570feff
1 changed files with 18 additions and 4 deletions
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flatgeobuf.cpp
+17 -3
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@@ -36,6 +36,18 @@ uint64_t PackedRTreeSize(const uint64_t numItems, const uint16_t nodeSize)
return numNodes * sizeof(NodeItem); return numNodes * sizeof(NodeItem);
} }
drawvec readPoints(const FlatGeobuf::Geometry *geometry) {
auto xy = geometry->xy();
drawvec dv;
for (unsigned int i = 0; i < xy->size(); i+=2) {
long long x, y;
projection->project(xy->Get(i), xy->Get(i+1), 32, &x, &y);
dv.push_back(draw(VT_MOVETO, x, y));
}
return dv;
}
drawvec readLinePart(const FlatGeobuf::Geometry *geometry) { drawvec readLinePart(const FlatGeobuf::Geometry *geometry) {
auto xy = geometry->xy(); auto xy = geometry->xy();
auto ends = geometry->ends(); auto ends = geometry->ends();
@@ -56,10 +68,12 @@ drawvec readLinePart(const FlatGeobuf::Geometry *geometry) {
} }
drawvec readGeometry(const FlatGeobuf::Geometry *geometry, FlatGeobuf::GeometryType h_geometry_type) { drawvec readGeometry(const FlatGeobuf::Geometry *geometry, FlatGeobuf::GeometryType h_geometry_type) {
if (h_geometry_type == FlatGeobuf::GeometryType::LineString) { if (h_geometry_type == FlatGeobuf::GeometryType::MultiPoint) {
return readPoints(geometry);
} if (h_geometry_type == FlatGeobuf::GeometryType::LineString) {
return readLinePart(geometry);
} else if (h_geometry_type == FlatGeobuf::GeometryType::MultiLineString) { } else if (h_geometry_type == FlatGeobuf::GeometryType::MultiLineString) {
return readLinePart(geometry); // TODO fixme return readLinePart(geometry);
} if (h_geometry_type == FlatGeobuf::GeometryType::Polygon) { } if (h_geometry_type == FlatGeobuf::GeometryType::Polygon) {
return readLinePart(geometry); return readLinePart(geometry);
} else if (h_geometry_type == FlatGeobuf::GeometryType::MultiPolygon) { } else if (h_geometry_type == FlatGeobuf::GeometryType::MultiPolygon) {