[vtkusers] vtkChart - difficulty changing title colour and font size

[Arnaud BARRE]

Hi John,

You may need to set the chart as modified: myChart->Modified();

It this doesn't work, could you write a minimal example to able to
replicate your problem?

Arnaud


On Tue, Dec 18, 2012 at 10:12 PM, John Platt <jcplatt at dsl.pipex.com> wrote:

> **
> Hi Arnaud,
>
> Thanks for your suggestion but it does not change the behaviour.
> Here is my code for changing the chart title colour ...
>
>     vtkTextProperty* txtProp = myChart->GetTitleProperties();
>     txtProp->SetColor( r, g, b );
>     myChart->GetScene()->SetDirty( true );
>
> Thanks for your help.
>
> John.
>
> ----- Original Message -----
>
> *From:* Arnaud BARRE <arnaud.barre at gmail.com>
> *To:* John Platt <jcplatt at dsl.pipex.com>
> *Sent:* Tuesday, December 18, 2012 6:19 PM
> *Subject:* Re: [vtkusers] vtkChart - difficulty changing title colour and
> font size
>
>  How do you modify these properties? You can use the method
> vtkScene::SetDirty. For example chart->GetScene()->SetDirty(true); This
> should update your modifications in the next rendering.
>
> Arnaud
>
>
> On Tue, Dec 18, 2012 at 7:07 PM, John Platt <jcplatt at dsl.pipex.com> wrote:
>
>> **
>> Hi,
>>
>> I'm having trouble changing the text colour and font size of the chart &
>> axes titles. They will change when bold or italic is toggled and also after
>> a lot of zooming in the chart. Maybe there is some issue with caching. Has
>> anybody else had problems?
>>
>> VTK 5.8.0,  Qt 4.6.2, Win XP, VS 2008
>>
>> Thanks,
>>
>> John.
>>
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