Lionel,
Assuming you have the current version of mpl, use the "extend" kwarg:
colorbar properties:
extend='neither', 'both', 'min', 'max'
If not 'neither', make pointed end(s) for out-of-range
values. These are set for a given colormap using the
colormap set_under and set_over methods.
If the colorbar is attached to a filled contour plot, however, you do
not need to specify this kwarg in the colorbar call because it will be
grabbed from the ContourSet object.
Eric
Lionel Roubeyrie wrote:
> HI,
> how do you set the arrows on the bottom and the top of your colorbar? I don't
> find any option for that?
> Thanks
>
> Le Vendredi 07 Juillet 2006 10:11, [EMAIL PROTECTED] a écrit :
>
>>On Friday 07 July 2006 4:11 pm, Lionel Roubeyrie wrote:
>>
>>>Hi all,
>>>Is it possible to import colormap file from GMT (.cpt) to basemap?
>>>If yes how can we do that?
>>>Thanks
>>
>>It's possible. Here's how I've been doing it.
>>
>>(1) I use the gmtcolormapPylab function defined in:
>>http://sourceforge.net/mailarchive/message.php?msg_id=11255878
>>
>>(2) Using the above function and a GMT cpt file (e.g.
>>GMT_no_green.cpt), I set a color dictionary as:
>>cdict = gmtcolormapPylab("GMT_no_green")
>>
>>(3) I define a colormap using:
>>mycmap = cm.colors.LinearSegmentedColormap("GMT_no_green",cdict,256)
>>
>>(4) I apply the above using cmap=mycolormap in contourf or pcolormesh.
>>
>>By the way, in case you don't know of the following site, it has an
>>exhaustive selection of color palettes: http://cpt-city.org.uk/
>>
>>I've also attached an example of a basemap image using a cpt from the
>>above site. Masked values not defined by the colormap are shown in
>>gray.
>
>
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