8000 Fix scatter alpha by tacaswell · Pull Request #8954 · matplotlib/matplotlib · GitHub
[go: up one dir, main page]
Skip to content

Fix scatter alpha #8954

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Aug 21, 2017
Merged

Fix scatter alpha #8954

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
6994540
TST: updating alpha on collection with colormaped data
tacaswell Jul 28, 2017
2bcbe5b
FIX: mark the array data as updated to force to_rgba
tacaswell Jul 28, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to loa 8000 d comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Next Next commit
TST: updating alpha on collection with colormaped data
  • Loading branch information
@tacaswell
tacaswell committed Jul 28, 2017
commit 6994540d4534b3dcd7f88dc94a71b03ad208eef4
Binary file added lib/matplotlib/tests/baseline_images/test_collections/scatter_post_alpha.png
View file
Open in desktop
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
11 changes: 11 additions & 0 deletions lib/matplotlib/tests/test_collections.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -624,3 +624,14 @@ def test_lslw_bcast():
col.set_linestyles(['-', '-', '-'])
assert_equal(col.get_linestyles(), [(None, None)] * 3)
assert_equal(col.get_linewidths(), [1, 2, 3])


@image_comparison(baseline_images=['scatter_post_alpha'],
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Is this a test that can just be a "check the colours haven't changed" test instead of an image test?

Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I don't think so as there is some draw-time computation that goes on here with the color mapping.

extensions=['png'], remove_text=True,
style='default')
def test_scatter_post_alpha():
fig, ax = plt.subplots()
sc = ax.scatter(range(5), range(5), c=range(5))
# this needs to be here to update internal state
fig.canvas.draw()
sc.set_alpha(.1)
0