[Qgis-developer] Invert color ramp not working?

[Radim Blazek]

On Mon, Oct 29, 2012 at 8:16 PM, Etienne Tourigny
<etourigny.dev at gmail.com> wrote:
> It would be better for the invert ramps to be inside the "Generate new
> color map" box, and invert the order of the color ramp, instead of
> inverting the rgb colours.

I have done that already on Saturday a8934a28.

Radim

> Like the 1-band raster colour table plugin did (it does not work with master).
>
> Unless someone disagrees I'll look into implementing that.
>
> Etienne
>
> On Wed, Oct 24, 2012 at 3:52 PM, Radim Blazek <radim.blazek at gmail.com> wrote:
>> On Fri, Oct 19, 2012 at 9:52 PM, Paolo Cavallini <cavallini at faunalia.it> wrote:
>>> Hi all.
>>> In a recent master, raster properties, if I check the flag "invert color
>>> ramp", I do not get the expected result, but the old ugly red-blue ramp:
>>
>> Invert color was missing in pseudocolor renderer, fixed. The question
>> is what is it expected to do. I have used
>>       red = 255 - red;
>>       green = 255 - green;
>>       blue = 255 - blue;
>> which is used for multiband color (both master and 1.8) but in 1.8
>> pseudocolor red and blue were switched instead.
>>
>> You are probably expecting the classification to be done in reverse order?
>>
>> I think that invert color has little/no sense for pseudocolor and
>> multiband color as it is implemented in master or/and was in 1.8. For
>> pseudo color it should be moved to "Generate new color map" options,
>> for multiband color just removed.
>>
>> In any case, legend is not correct if invert color is used.
>>
>> Radim
>>
>>> anyone confirms?
>>> Thanks.
>>>
>>> --
>>> Paolo Cavallini - Faunalia
>>> www.faunalia.eu
>>> Full contact details at www.faunalia.eu/pc
>>> Nuovi corsi QGIS e PostGIS: http://www.faunalia.it/calendario
>>>
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