matplotlib-users Mailing List for matplotlib

On Sat, Nov 5, 2011 at 4:49 PM, Wayne Watson
<sie...@sb...>wrote:
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Sorry to see you go. Use the last input field at this link:
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Ben Root

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-- 
 Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
 (121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
 Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet
 "Science is the greatest gift given to mankind."
 -- W. Watson
 Web Page:<www.speckledwithstars.net/>

I suppose it is possible to delete all collections one by one, but that's
an ugly solution. And as I'm not aware of the behind the scenes work done
by contour it's a bit dangerous.
Is there a standard way to remove a contour plot?
Regards
Stefan Krastanov

The basemap matplotlib toolkit 1.0.2 is available for download at
https://sourceforge.net/projects/matplotlib/files/matplotlib-toolkits/basemap-1.0.2/
Documentation is at
http://matplotlib.github.com/basemap
including an example gallery that highlights it's capabilities
http://matplotlib.github.com/basemap/users/examples.html 
The highlights of this release are:
* full python 3 compatibility.
* new land-sea mask datasets.
* a new "colorbar" method for easy placement of colorbars using the axes_grid toolkit.
* new "shadedrelief" and "etopo" methods.
* removal of the deprecated "NetCDFFile" function (use netcdf4-python instead).
* several bug fixes.
Here is the full Changelog:
version 1.0.2 (git tag v1.0.2)
 * update include geos from 3.2.0 to 3.3.1 so it compiles with gcc
 4.6.
 * added colorbar method that uses axes_grid toolkit to
 create colorbar axes.
 * replace hasattr(arr,'mask') with numpy.ma.isMA(arr).
 * docs updated, moved to matplotlib.github.com/basemap.
 * added optional 1.25, 2.5 and 10 minute land/sea masks (derived from
 GSHHS coastline data). 'resolution'
 and 'grid' kwargs added to drawlsmask and maskoceans.
 'resolution' can be 'c','l','i','h' or 'f', grid can be 1.25,2.5,5 or 10.
 * update shapefile.py from pyshp.googlecode.com to r72.
 * change default land-sea mask (now derived directly from gshhs
 coastline data, default is 5 minutes use coastline resolution =
 'l'). Default for plotting lakes is now True.
 * add etopo method (similar to bluemarble, but plots etopo
 relief image from www.ngdc.noaa.gov/mgg/global as a map background).
 * add shadedrelief method (similar to bluemarble, but plots shaded
 relief image from naturalearthdata.com as a map background).
 * replace pyshapelib with pure python shapelib.py from
 pyshp.googlecode.com. Allows full python 3 compatibility.
 * fix doc/conf.py to use inheritance_diagram from Sphinx, not
 matplotlib.
 * fix drawlsmask so cylindrical projections work correctly when
 longitude range outside of -180 to 180.
 * python 3 compatibility.
 * added lic_demo.py to examples (line integral convolution,
 requires scikit.vectorplot).
 * removed deprecated NetCDFFile.
 * added zorder keyword to drawmapscale.
Regards,
Jeff

2011年11月2日 Anton Daitche <a.d...@go...>:
> Hallo,
> i am observing inexact drawing of point in matplotlib.
As I remember from an earlier discussion on this, it's assumed that
these small deviations are tolerable in the agg renderer. This makes
the interactive backends more responsive at expenses of accuracy.
I can see the same deviations using the tkagg backend with mpl 1.1.0
but if I save as pdf using the save button I get an accurate rendering
(see attachment).
Best regards
Goyo