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Placefile polygon rendering

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This commit is contained in:
Dan Paulat 2023-08-11 00:45:42 -05:00
parent d9a53ea8d7
commit cdef5a9938
8 changed files with 547 additions and 5 deletions
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19
wxdata/source/scwx/gr/placefile.cpp
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@ -729,17 +729,30 @@ void Placefile::Impl::ProcessElementEnd()
{
if (currentStatement_ == DrawingStatement::Polygon)
{
auto di = std::static_pointer_cast<PolygonDrawItem>(currentDrawItem_);
// Complete the current contour when ending the Polygon statement
if (!currentPolygonContour_.empty())
{
auto& contours =
std::static_pointer_cast<PolygonDrawItem>(currentDrawItem_)
->contours_;
auto& contours = di->contours_;
auto& newContour =
contours.emplace_back(std::vector<PolygonDrawItem::Element> {});
newContour.swap(currentPolygonContour_);
}
if (!di->contours_.empty())
{
std::vector<common::Coordinate> coordinates {};
std::transform(di->contours_[0].cbegin(),
di->contours_[0].cend(),
std::back_inserter(coordinates),
[](auto& element) {
return common::Coordinate {element.latitude_,
element.longitude_};
});
di->center_ = GetCentroid(coordinates);
}
}
}