[vtk-developers] Where did my text go?

[Bill Lorensen]

I'll see if I can make a small test script.

At 01:02 PM 1/18/03 -0500, Sebastien BARRE wrote:
>At 1/18/2003 12:42 PM, Bill Lorensen wrote:
>>Folks,
>>I have an app that displays text on top of an image. I'm using a vtkRenderer with two vtkActor2D's, one for the image and one for the text. I use AddActor2D to add the actors.
>>
>>The image is mapped with vtkImageMapper and the text with a vtkTextMapper. I use vtkTextProperty to set the font and size of text.
>>
>>This (or a compatible earlier version) has been working for a couple of years.
>>
>>Recently, (I'm not sure when because I don't think we have a test that renders text over an image), my text disappeared. If I don't  add the image to the renderer, the text appears.
>>
>>Has anyone else seen this problem?
>
>Can you send a Tcl script ?
>
>I made a recent change/fix to vtkTextActor, but this should have the opposite effect, renders the text more "often" than before (a modified time was not checked).
>
>I also know that for a while we have seen some text tests failing on the Mac where text would be partially occluded by geometry, raising the question of the Z position of the text on the Mac. Andy is working on it, maybe he commited something that makes the text be located below the image, I don't know, he will probably tell us.
>
>--
>Sebastien Barre
>