[Qgis-user] Transparency in custom color table

Nathan Woodrow madmanwoo at gmail.com
Wed May 22 20:59:36 PDT 2013


It does indeed :)

Enjoy.  If you make a cool map with it you can post it on our Flickr page
to show it off. http://www.flickr.com/groups/qgis/

- Nathan


On Thu, May 23, 2013 at 1:56 PM, Matt Boyd <mattslists at gmail.com> wrote:

> Yay,
> I can see 1.9 something in the osgeo4w installer (experimental). Does that
> have it?
> Thanks
>
>
> On Thu, May 23, 2013 at 1:51 PM, Nathan Woodrow <madmanwoo at gmail.com>wrote:
>
>> In the latest QGIS build you can now use transparency in colour ramps
>>
>> http://nathanw.net/2013/05/21/alpha-in-qgis-colour-ramps-oh-yeah/
>>
>> You would just need to make a colour ramp and change the range you need
>> to be transparency.
>>
>> - Nathan
>>
>>
>>  On Thu, May 23, 2013 at 1:48 PM, Matt Boyd <mattslists at gmail.com> wrote:
>>
>>>  Hi everyone,
>>> I've got a grid with a range of values, what I'd like to do is make
>>> everything that is above and below a certain range transparent.
>>>  I'm able to select white in the colour table and not entering value
>>> above a value seems to allow qgis to ignore that range but below that range
>>> it shows white.
>>>
>>> ie:
>>> data starts at 6000
>>> highest entry in color table is 2500 green
>>> next entry 2000 light green.
>>> next entry 1700 white
>>>
>>> I
>>>
>>> I'm using a linear interpolation and the values below 1700 are all
>>> white, I'd like them transparent.
>>>
>>> Is ti possible to enter a range of values for transparent pixels?
>>>
>>> Thanks
>>>
>>>
>>>
>>> _______________________________________________
>>> Qgis-user mailing list
>>> Qgis-user at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>
>>>
>>
>
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