[Qgis-user] Transparency in custom color table

[Matt Boyd]

Thanks Nathan,
I'm not sure maps of Oil/Gas source rock distribution would be considered
"cool". I do like it though.


On Thu, May 23, 2013 at 1:59 PM, Nathan Woodrow <madmanwoo at gmail.com> wrote:

> 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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