standardize commenting convention. i prefer lower case no space (ie laziness) but that doesnt seem to be the norm.
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1 changed files with 10 additions and 9 deletions
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@ -443,25 +443,26 @@ private:
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// Compute square distance of p to a line segment
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auto segment_distance = [&sqlen] (const vertex2d& p, const vertex2d& a, const vertex2d& b, const vertex2d& dir, double dir_sq_len)
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{
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//special case where segment has same start and end point at which point we are just doing a radius check
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// Special case where segment has same start and end point at which point we are just doing a radius check
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if(dir_sq_len == 0)
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return sqlen(vertex2d(p.x - b.x, p.y - b.y, SEG_END));
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//project p onto dir by ((p dot dir / dir dot dir) * dir)
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// Project p onto dir by ((p dot dir / dir dot dir) * dir)
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double scale = ((p.x - a.x) * dir.x + (p.y - a.y) * dir.y) / dir_sq_len;
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double projected_x = dir.x * scale;
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double projected_y = dir.y * scale;
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double projected_origin_distance = projected_x * projected_x + projected_y * projected_y;
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//projected point doesn't lie on the segment
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// Projected point doesn't lie on the segment
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if(projected_origin_distance > dir_sq_len)
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{
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//projected point lies past the end of the segment
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// Projected point lies past the end of the segment
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if(scale > 0)
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return sqlen(vertex2d(p.x - b.x, p.y - b.y, SEG_END));
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//projected point lies before the beginning of the segment
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// Projected point lies before the beginning of the segment
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else
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return sqlen(vertex2d(p.x - a.x, p.y - a.y, SEG_END));
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}//projected point lies on the segment
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}// Projected point lies on the segment
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else
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return sqlen(vertex2d(p.x - (projected_x + a.x), p.y - (projected_y + a.y), SEG_END));
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};
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@ -503,7 +504,7 @@ private:
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status init_vertices_RDP()
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{
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//slurp out the original vertices
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// Slurp out the original vertices
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std::vector<vertex2d> vertices;
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//vertices.reserve(geom_.size());
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vertex2d vtx(vertex2d::no_init);
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@ -512,13 +513,13 @@ private:
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vertices.push_back(vtx);
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}
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//run ramer douglas peucker on it
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// Run ramer douglas peucker on it
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if(vertices.size() > 2)
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{
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RDP(vertices, 0, vertices.size() - 1);
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}
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//slurp the points back out that haven't been marked as discarded
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// Slurp the points back out that haven't been marked as discarded
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for(vertex2d& vertex : vertices)
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{
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if(vertex.cmd != SEG_END)
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