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Title: improve snapping algorithm by leejjoon · Pull Request #726 · matplotlib/matplotlib · GitHub

Open Graph Title: improve snapping algorithm by leejjoon · Pull Request #726 · matplotlib/matplotlib

X Title: improve snapping algorithm by leejjoon · Pull Request #726 · matplotlib/matplotlib

Description: I think the current snapping gives somewhat wrong result. *x = mpl_round(*x) + m_snap_value; *y = mpl_round(*y) + m_snap_value; For example, consider m_snap_value=0.5 and (x, y) = (0.45, 0.55). This is supposed to be snapped to (0.5, 0.5) but the above code gives (0.5, 1.5). And I think the right thing to do is subtract m_snap_value before rounding. *x = mpl_round(*x-m_snap_value) + m_snap_value; *y = mpl_round(*y-m_snap_value) + m_snap_value;

Open Graph Description: I think the current snapping gives somewhat wrong result. *x = mpl_round(*x) + m_snap_value; *y = mpl_round(*y) + m_snap_value; For example, consider m_snap_value=0.5 ...

X Description: I think the current snapping gives somewhat wrong result. *x = mpl_round(*x) + m_snap_value; *y = mpl_round(*y) + m_snap_value; For example, consider m_snap_value=0.5 ...

Opengraph URL: https://github.com/matplotlib/matplotlib/pull/726

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og:image:altI think the current snapping gives somewhat wrong result. *x = mpl_round(*x) + m_snap_value; *y = mpl_round(*y) + m_snap_value; For example, consider m_snap_value=0.5 ...
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f4f2a1a improve snapping algorithm leejjoon Feb 28, 2012 https://github.com/matplotlib/matplotlib/pull/726/commits/f4f2a1a45a4ef2e2c18c0e6ecdba49ac6a2412d6
cbc5fed add offset of 0.5 when marker is stroked so that snapping works bette… leejjoon Feb 29, 2012 https://github.com/matplotlib/matplotlib/pull/726/commits/cbc5feda114b4bc5482a0aebdebef4e45d6bec40
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