[vtkusers] Y label strange in vtkAxesActor

Billy Araujo billyaraujo at gmail.com
Thu Sep 27 11:15:13 EDT 2012


Thanks. For now I am just going to leave it as it is.


On Thu, Sep 27, 2012 at 4:02 PM, Frederic Perez <fredericperez at about.me>wrote:

> Hello Billy,
>
> then, using the knowledge shared by Julien, you might try a
> quick-and-dirty hack to render that Y letter completely by substituting the
> label from "Y" to "Y " (with an extra space). Would that work? Didn't try
> it myself..
>
> Frederic
>
> On Thu, Sep 27, 2012 at 3:22 PM, Julien Finet <julien.finet at kitware.com>wrote:
>
>> What is wrong:
>> The right part of the Y letter is drawn on the left side (-> letter wrap).
>>
>> :-)
>>
>> Explanation attempt:
>> Because the text is in Italic, vtkTextActor fails to pick the correct
>> font size for a given area to draw in.
>> It wrongly picks a width too narrow, so when it renders the letter as a
>> texture within a (too narrow) area, the texture wraps.
>> You might want to investigate within vtkTextActor (especially
>> vtkTextActor::ComputeScaledFont) and aggregated classes.
>>
>> For information, vtkAxesActor uses vtkCaptionActor2D that internally uses
>> a vtkTextActor with a CaptionTextProperty text property that is
>> bold,italic,arial,with shadows.
>>
>> Hth,
>> Julien.
>>
>> On Tue, Sep 25, 2012 at 4:17 PM, Billy Araujo <billyaraujo at gmail.com>wrote:
>>
>>> What is wrong with y label?
>>>
>>> Billy.
>>>
>>>
>>> [image: Inline image 1]
>>>
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