[vtk-developers] margin in vtkScalarBarActor

[TINGAUD Frederic]

Hi David,
I add the vtk-developpers list, as I think the discussion will turn more developer oriented.
I did the patch, and if I didn't miss a use-case, it is in fact almost as simple as changing at this point. I just had to change another call to title position. You can review it here: http://review.source.kitware.com/11596
In fact, I see that my first problem with the new look of the scalar bar comes from the fact that when having a vertical scalar bar without the Nan mark, the upper graduation is not correctly placed. I will submit another patch for this problem after verifying my solution.

Regards,

Fred

-----Message d'origine-----
De : David Thompson [mailto:david.thompson at kitware.com] 
Envoyé : jeudi 13 juin 2013 00:18
À : TINGAUD Frederic
Objet : Re: vtkScalarBarActor.cxx

Hi Frederic,

Are you willing to have this discussion on the vtkusers so that others can benefit from it?

As far as the title placement goes: yes, you would have to add a new setting for the title bar separation. It is not as simple as changing how the title box size is used at that one point; it would require changes to many places where TitleBox appears.

	David

On Jun 12, 2013, at 5:24 AM, TINGAUD Frederic <Frederic.TINGAUD at murex.com> wrote:

> Hi,
>  
> I am looking more deeply at the result of switching to VTK 6, for my application and one of the main differences I found is in the look of the vtkScalarBarActor, that I see you work on.
> I may have missed a setting, but I cannot find a proper way to increase the margin between the title and the bar, when vertically oriented. It used to have quite a big fixed margin, but now, the title and the bar are stuck together. I tried changing the TextPad, but it reduces all my texts drastically, which is a problem.
> Did I miss the correct setting? If it does not exist, do you think it makes sense if I add a setTitleBarMargin(int pixels) setter, that would be used in ComputeScalarBarLength, in the vertical case?
>  
> Regards,
>  
> Fred
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