Hi Samuel You're ahead of my next questions there ... :-) ... it looks very nice.
Best regards, Claus On Feb 3, 2018 21:28, "Samuel Gougeon" <sgoug...@free.fr> wrote: > Le 03/02/2018 à 20:11, Claus Futtrup a écrit : > > Hi Samuel > > Thank you. This thing with the direction of the lines is difficult to > "discover" by accident. :-) > > ... And thanks for the good help for param3d(1). I hope Scilab will adopt > it. > > > When parts of curves are behind each others, there is a mess due to the > perspective. > Here is a way to avoid this (i will also add it in the page): > > [Xo, Yo] = ndgrid(-10:0.5:10);R = sqrt(Xo.*Xo + Yo.*Yo) + %eps;Zo = sin(R)./R; > clf > // Simple plot with messed curves in the perspectivesubplot(1, 3, > 1)param3d1(Xo, Yo, Zo, 150, 85, flag=[2,4]) > // With a curtain and filled curved (to avoid messed areas)subplot(1,3,2)nc = > size(Xo,"c");zmin = min(Zo); > X = [Xo(1,:) ; Xo ; Xo($,:)];Y = [Yo(1,:) ; Yo ; Yo($,:)];Z = > [zmin*ones(1,nc) ; Zo ; zmin*ones(1,nc)]; > param3d1(X, Y, Z, 150, 85, flag=[2,4])e = gce();e.children.fill_mode = "on"; > // Try to mask the curtain with %nan// => unsuccessful due to the bug > http://bugzilla.scilab.org/11803subplot(1,3,3)X = [Xo([1 1],:) ; Xo ; Xo([$ > $],:)];Y = [Yo([1 1],:) ; Yo ; Yo([$ $],:)];Z = [[zmin ; %nan]*ones(1,nc) ; > Zo ; [%nan ; zmin]*ones(1,nc)]; > param3d1(X, Y, Z, 150, 85, flag=[2,4])e = gce();e.children.fill_mode = "on"; > > > _______________________________________________ > users mailing list > users@lists.scilab.org > http://lists.scilab.org/mailman/listinfo/users > >
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