[Qgis-user] colorramp starting from white

[DelazJ]

Hi,
Trying to quickly change the starting color of a default continuous ramp, I
realize that changing the first color is not enough, you need to
change/remove the intermediate ones also, in order to have something smooth.
So, question: why do we need stops in a color ramp that is supposed to be
continuous from color A to color B? Could the default continuous color
ramps not only have a start color and an end color? Nothing else?

Regards,
Harrissou

Le lun. 15 juin 2020 à 22:48, Anita Graser <anitagraser at gmx.at> a écrit :

> 15 Jun 2020 15:53:43 Raymond Nijssen <r.nijssen at terglobo.nl>:
>
> > Am I the only one who would like the color ramps in QGIS to NOT start
> from (super nearly) white, but from a light version of the color?
>
> Quite the contrary. I often have the need to change the starting color to
> real white or even transparent.
>
> It's probably one of those cases of "it depends!"
>
> In choropleth maps, it's important to distinguish between non and the
> lowest class. However, for heatmaps and similar viz, a smooth transition
> from white is often desired.
>
> Conclusion: the starting color should be really easy to change.
>
> Regards
> Anita
>
> >
> > For example, "Reds" should go from (light) pink to red.
> >
> > Currently, the first class in my legend always looks white, as many
> other parts of my map often do. Therefore it is hard to see where my data
> is and where not.
> >
> > Another thing, changing it manually is hard because of the 7 stops in
> the ramps.
> >
> > I'm happy to figure this out and make a PR, but would like to know
> other's opinions first.
> >
> > Regards,
> > Raymond
> >
> > --
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