add offset of 0.5 when marker is stroked so that snapping works bette… · staticfloat/matplotlib@342007c · GitHub

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2. matplotlib

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Commit 342007c

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leejjoon

authored and

mdboom

committed

add offset of 0.5 when marker is stroked so that snapping works better in agg backend

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  • _backend_agg.cpp

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‎src/_backend_agg.cpp‎

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+1-1Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
@@ -650,7 +650,7 @@ RendererAgg::draw_markers(const Py::Tuple& args)
650	650	// Deal with the difference in y-axis direction
651	651	marker_trans *= agg::trans_affine_scaling(1.0, -1.0);
652	652	trans *= agg::trans_affine_scaling(1.0, -1.0);
653		- trans *= agg::trans_affine_translation(0.0, (double)height);
	653	+ trans *= agg::trans_affine_translation(0.5, (double)height+0.5);
654	654
655	655	PathIterator marker_path(marker_path_obj);
656	656	transformed_path_t marker_path_transformed(marker_path, marker_trans);

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