Well… you can change the color of any element (even if the visualization is open). Simply goes to the canvas and change the trachel shape. I can provide an example if you wish.
Alexandre > On Feb 21, 2018, at 8:38 AM, abdelghani ALIDRA <alidran...@yahoo.fr> wrote: > > Hi Alex and thanks for your answer, > By playing with the contrast I mean to change (dynamically) how visible > lighter colors are from darker ones. And by dynamically, I mean I dont want > to re-build the visu. > > To be more specific, I can have for a certain visu, a shape coloured with > Color red and bordered with Color red slightlyDarker. > At some point I would like to see the difference between these two colours > and at some other point I dont. > So for instance, I increase the contrast and I see the border of the shape > them I decrease it then I see the shape uniformaly coloured. > > So, is there a way to do so? > Thanks, > Abdelghani > > > De : Alexandre Bergel <alexandre.ber...@me.com> > À : abdelghani ALIDRA <alidran...@yahoo.fr>; Any question about pharo is > welcome <pharo-users@lists.pharo.org> > Envoyé le : Mercredi 21 février 2018 2h19 > Objet : Re: [Pharo-users] Roassal : Playing with the contrast > > Hi! > > What do you mean with contrasts? You mean the colors? > Currently, there is no way to automatically assign colors to a visualization, > although you can use a color palette (look at the class RTPalette). > > Cheers, > Alexandre > > > > On Feb 20, 2018, at 7:01 AM, abdelghani ALIDRA via Pharo-users > > <pharo-users@lists.pharo.org> wrote: > > > > > > From: abdelghani ALIDRA <alidran...@yahoo.fr> > > Subject: Roassal : Playing with the contrast > > Date: February 20, 2018 at 7:01:20 AM GMT-3 > > To: "pharo-users@lists.pharo.org" <pharo-users@lists.pharo.org> > > Reply-To: abdelghani ALIDRA <alidran...@yahoo.fr> > > > > > > Hi, > > > > I am wondering if there is a way to play with the contrast of Roassal > > visualisations. > > If so, please tell me how :) > > > > Thank you in advance > > Abdelghani > > > > > > > >