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When zooming a triangle is rendered instead of a rectangle. #5052
Description
Mpl is sending the number of vertex that are at least visible, for instance if the rectangle drawn is inside the bar it will send 0 paths since no paths are enclosed in that area. In the case of enclosing the right line it tries to create a mesh with the origin and the line enclosed. In the case of enclosing the left line since the origin and the line have the same y is just shown the line. This happens as well in Gtk and in none of the Agg backends neither backend_kivyagg. There is some clipping problem here.
Activity
jenshnielsen commentedon Sep 15, 2015
Can you clarify this a bit? Does it only happen in Gtk or in the Agg backends too?
WeatherGod commentedon Sep 15, 2015
I parsed that sentence to mean that any AGG-based backends are immune to
this problem, including his implementation of kivyagg backend, while his
"kivy" backend and our "gtk" backends suffer from this problem. This could
possibly point to an issue that might have been fixed in AGG, but we
completely forgot to address it in the "pure" backends? Makes me wonder if
any of our vector backends suffer from this?
On Tue, Sep 15, 2015 at 6:46 AM, Jens Hedegaard Nielsen <
notifications@github.com> wrote:
tacaswell commentedon Sep 15, 2015
This is related to kivy-garden/garden.matplotlib#16
We special case this in the SVG backend and I suspect the pdf/ps backends as well.
mdboom commentedon Sep 15, 2015
I don't know if this helps: Clipping should be explicitly disabled on filled paths. The algorithm used does not support clipped paths.
tacaswell commentedon Feb 15, 2016
Might be related to #5955
tacaswell commentedon Jul 29, 2016
@andnovar Is this still a problem?
andnovar commentedon Jul 29, 2016
@tacaswell I think this got fixed with the latest release, not sure though. I'll confirm tonight.
anntzer commentedon Mar 19, 2018
Fixed, if I understand correctly. Feel free to request a reopen otherwise.