[vtkusers] Help - VTK

[ClaudeG]

thx for your help

Bill Lorensen-2 wrote:
> 
> To display text in a window you can use
> vtkTextProperty, vtkTextMapper and a vtkActor2D.
> 
> The property defines the font, style and size of the text.
> The Mapper defines the text string.
> The Actor2D positions the text.
> 
> For example, in tcl, here is a script that display the time of day
> before each render:
> 
> 
> package require vtk
> package require vtkinteraction
> 
> vtkRenderer ren1
> vtkRenderWindow renWin
>     renWin AddRenderer ren1
>     renWin SetSize 512 512
> vtkRenderWindowInteractor iren
>     iren SetRenderWindow renWin
> 
> vtkSphereSource sphereModel
> 
> vtkPolyDataMapper sphereMapper
>   sphereMapper SetInput [sphereModel GetOutput]
> 
> vtkActor sphereActor
>   sphereActor SetMapper sphereMapper
> 
> vtkTextProperty clockProperty
>   clockProperty SetFontSize 14
>   clockProperty SetJustificationToLeft
>   clockProperty SetVerticalJustificationToBottom
>   clockProperty ShadowOn
> 
> set now [clock format [clock seconds]]
> vtkTextMapper clockMapper
>   clockMapper SetInput "Date: $now"
>   clockMapper SetTextProperty clockProperty
> vtkActor2D clockActor
>   clockActor SetPosition 14 14
>   clockActor SetMapper clockMapper
> 
> ren1 AddActor clockActor
> ren1 AddActor sphereActor
> 
> renWin AddObserver StartEvent {set now [clock format [clock seconds]];
> clockMapper SetInput "Date: $now"}
> 
> #---Render the image
> iren AddObserver UserEvent {wm deiconify .vtkInteract}
> renWin Render
> 
> 
> iren Initialize
> 
> 
> On Mon, Jun 22, 2009 at 2:47 AM, Claude G.<claude.gangolf at gmail.com>
> wrote:
>> Hi,
>>
>> I'm a beginner in VTK and i working on a projet but i have some problems.
>>
>> I want to display numerical values, like a timer, or values from a float
>> array, in the main window where all the other actors are shown but i have
>> no
>> idea how i could do this, please help me.
>>
>> Secondly, i want to manipulate object which are added in the main window,
>> like placing a sphere in a new position without creating a new sphere and
>> deleting the old one an then adding the new to have the new postion of
>> the
>> sphere added.
>>
>> thanks a lot for your help
>> _______________________________________________
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>>
>> Visit other Kitware open-source projects at
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>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
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>>
>>
> _______________________________________________
> Powered by www.kitware.com
> 
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
> 
> Please keep messages on-topic and check the VTK FAQ at:
> http://www.vtk.org/Wiki/VTK_FAQ
> 
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
> 
> 

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