[Scilab-users] Changing polyline properties in param3d1

[Izabela Wójcik-Grząba]

I'm glad that my problem can help to improve Scilab and looking forward 
to use the new version :-)

Iza




W dniu 19.07.2018 23:57, Samuel Gougeon napisał(a):
> Le 19/07/2018 à 21:30, Samuel Gougeon a écrit :
> 
>> Le 18/07/2018 à 15:19, Izabela Wójcik-Grząba a écrit :
>> 
>>> Hello,
>>> 
>>> I am looking for an elegant and simple way to manage with changing
>>> properties of polylines in a param3d1 plot. The problem is that
>>> sometimes (in case of specific data) there is only one polyline to
>>> draw but in most cases there are many polylines. By now I solved
>>> this problem by using "if" statement like below:
>>> 
>>> param3d1(X,Y,Z);
>>> 
>>> if size(X,'c')==1 then
>>> gce().polyline_style=4;
>>> gce().thickness=2;
>>> gce().foreground=32;
>>> else
>>> gce().children.polyline_style=4;
>>> gce().children.thickness=2;
>>> gce().children.foreground=32;
>>> end
>> 
>> You are right: it would be preferable to get always the same
>> graphical structure, whatever is the number of plotted curves, as it
>> is the case with plot2d():
>> 
>> --> plot2d(1:10)
>> --> gce()
>> ans  =
>> 
>> Handle of type "Compound" with properties:
>> ==========================================
>> parent: Axes
>> children: "Polyline"
>> visible = "on"
>> user_data = []
>> tag = ""
>> 
>> --> clf, plot2d([1:10 ; 1:10]')
>> --> gce()
>> ans  =
>> Handle of type "Compound" with properties:
>> ==========================================
>> parent: Axes
>> children: ["Polyline";"Polyline"]
>> visible = "on"
>> user_data = []
>> tag = ""
>> 
>> So, the same stable architecture shall be reached for param3d1().
>> Such a change won't be back-compatible, but searching for "param3d1"
>> in all existing programs and updating them will be easy.
>> This change can be proposed for Scilab 6.1.
> 
> This bug about param3d1() unstable hierarchy is now reported there
> [1].
> 
> 
> 
> Links:
> ------
> [1] http://bugzilla.scilab.org/show_bug.cgi?id=15671
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