enthought/chaco

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Chaco is a Python package for building interactive and custom 2-D plots.

Stars: 305
Forks: 97
Open beginner issues: 0
Indexed issues: 141

Dominant language: Python
License: No license data
Last GitHub push: Oct 20, 2025
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

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141 open issues indexed

Fix examples to new style Open

component: documentation

enthought/chaco#5 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Create a PanZoomTool Open

type: enhancement

enthought/chaco#6 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
unsupported operand type(s) for +=: 'NoneType' and 'list' in invalidate_draw in chaco Open

type: bug

enthought/chaco#8 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
memory leak in copy_ticks on linux Open

type: bug

enthought/chaco#9 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
drag_zoom.py need save current mouse location to _prev_x & _prev_y Open

enthought/chaco#11 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ZoomTool "zoom history" keys are not working Open

type: bug

enthought/chaco#15 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
MultiLinePlot can't have zero vertical distance between lines Open

type: bug

enthought/chaco#17 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
zooming out in a log plot results in an exception Open

type: bug

enthought/chaco#34 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
can't build chaco 4.1.0 docs without access to an X11 display Open

enthought/chaco#39 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
polygon_plot missing from gallery page Open

enthought/chaco#44 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
PolarMapper does not map to polar coordinates Open

enthought/chaco#47 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Demo sample.py segfaults in OSX 10.6 under qtconsole --pylab=qt with pyside Open

enthought/chaco#49 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
LineInspector should inherit from AbstractOverlay Open

enthought/chaco#72 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Change transpose(array( ... )) to column_stack() Open

enthought/chaco#76 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
chaco/data_view.py DataView class vertical orientation bug Open

enthought/chaco#84 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Colorbar rendering bug Open

enthought/chaco#91 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
RangeSelectionOverlay fails to handle alternate metadata names. Open

enthought/chaco#113 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Opaque overlay in range zoom (better_selecting_zoom_tool) Open

enthought/chaco#125 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Free rotation of Chaco plots Open

enthought/chaco#130 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Range selection behaviour not consistent with scatter plot expectation. Unable to remove all selections. Open

enthought/chaco#135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Chaco reported very slow when used over an SSH connection with X Open

enthought/chaco#137 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
wx dialog in tutorial examples is not able to be closed Open

enthought/chaco#139 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
data_stream.py example application is leaking memory Open

enthought/chaco#176 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Tests that need a ui event loop should skip if ui is not available Open

type: enhancement

enthought/chaco#179 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Chaco screenshots Open

component: documentation

enthought/chaco#181 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Constant plot with positive power of 10 Open

enthought/chaco#183 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Some traits in `BaseXYPlot` don't fire change handlers when passed on init Open

enthought/chaco#185 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[CUSTOM MARKER] FILL_STROKE not working on custom marker Open

enthought/chaco#186 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[CUSTOM MARKER] custom marker buggy with cmap_scatter Open

enthought/chaco#187 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ZoomTool: bad behavior of aspect_ratio Open

enthought/chaco#191 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ImagePlot panning issue at edge when zoomed in Open

enthought/chaco#198 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Unexpected behavior in lines containing NaN datapoints when zooming Open

enthought/chaco#206 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cannot set a renderer visible/invisible Open

enthought/chaco#211 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Shrinking window can break the y dimension scaling Open

enthought/chaco#223 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
AbstractDataSource subclasses don't adhere to interface Open

type: backwards incompatible type: bug

enthought/chaco#247 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
ArrayDataSource _post_load() method broken Open

type: bug

enthought/chaco#249 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Abstract base classes should inherit from ABCHasTraits Open

type: backwards incompatible type: enhancement

enthought/chaco#252 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
cntr.c could use an update Open

type: bug

enthought/chaco#265 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cleanly support axis ticks with no tick labels Open

enthought/chaco#267 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
DragTool mouse down event handling Open

enthought/chaco#268 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
python-chaco is broken in Ubuntu... Open

enthought/chaco#273 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Misplaced axis tick marks (faulty rounding?) Open

enthought/chaco#278 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Base1DPlot should have index_range attribute Open

type: bug

enthought/chaco#279 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Ranges of renderers in Plots don't update properly Open

type: bug

enthought/chaco#280 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
line_inspector is very slow Open

enthought/chaco#286 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
PlotAxis does not rotate ticks if TickGenerator has a method called `get_ticks_and_labels` Open

type: bug

enthought/chaco#294 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
tutorial1.py (saving plot to png) does not work (Ubuntu 16.04, Chaco 4.6.0dev181) Open

enthought/chaco#295 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Contour plot does not work with logarithmic scale Open

type: enhancement

enthought/chaco#300 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Filenames spill out of the sidebar in annotated examples docs page Open

component: documentation

enthought/chaco#304 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Update screenshots in annotated examples page in docs Open

component: documentation good first issue

enthought/chaco#305 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

enthought/chaco

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