AW: [Insight-users] GLSliceView

[Luis Ibanez]

Hi Zein,

Please do the following experiment,

Click on the GLSliceWindow where you notice
this problem, and the use the keys:

             Shift-D

This combination of keys is intended to
Enable/Disable the display of text details
on the lower left corner of the image.


Please let us know what you find.



   Thanks


      Luis


-----------------
salah wrote:

> Thanks Gavin for your interest and I am sorry for responding lately. I was 
> in a vacation over the last three days.
> 
> Actually, I use many instances of the viewer for viewing final and intermediate
> results of my pipeline. These instances are either just instances of FltkImageViewer 
> of InsightAppl;ications or instances of a somehow similar viewer which I developed 
> mainly by inheriting the GLSliceView class. I will try to answer you questions as 
> detailed as I can.
> 
> NOTE:
> What I am talking about is only the text image details and clicked point position
> and value that appear usually at the lower part of the widget. Anything else is displayed
> appropriately (image itself, overlays, crosshairs).
> 
> 
> 
>>My guess is you seem to have triggered a condition under which
>>GLSliceView::draw() doesn't get called.  But - how...?
>>
>>It would be quicker if you gave us some more information! :) 
>>Are you able to
>>consistently reproduce this behaviour?
>>
> 
> 
> 
> I have noticed the following: 
> 
> 1. The first-shown viewer displays the details normally. Closing and then 
> recalling it produces the problem. 
> 
> 2. The first-shown viewer displays the details normally. Closing it and then 
> calling another viewer of some other image produces the problem. 
> 
> 3. As soon as the problem appears, it remain until I close the whole application. 
> I.e, any viewer that I open will not display details.
> 
> 4. The problem appears when after closing all openned viewers. In other words, when
> I close all openned viewers, any viewer openned now will have the problem.  
> 
> 
> 
>>- What sequence of actions leads to this happening?  (eg. 
>>resize window,
>>  update image contents, click in window, etc)
> 
> 
> Nothing of these causes the problem to occur.
> 
> 
>>- Is it only the overlay text that disappears (and not the 
>>image itself)?
>>
> 
> 
> Only the overlay text of image details.
> 
> 
>>- Can you reproduce this with (for example) ImageViewer from
>>  InsightApplications?
> 
> 
> Yes. some of the viewers I use are instances of it.
> 
> 
> 
>>- Are all the GLSliceView widgets in the same parent window 
>>or different
>>  toplevel windows?
> 
> 
> They are in the same parent windows. However, each is displayed in its own window. 
> The only difference between them is that viewers that are instances of the ImageViewer
> from InsightApplications are dynamicly allocated (only when I want to view the image) 
> and those whome I developed are statically allocated (global variables)
> 
> 
> 
>>- What exactly does the display look like when this occurs? 
>>(eg. all black,
>>  part of old display remains)
> 
> 
> Just normally, everything is displayed correctly, except fot the text details.
> 
> 
> 
> 
>>Also it would greatly help to know the following:
>>
>>- Platform
> 
> 
> Windows Xp Professional Edition, MS Visuall Studio .NET (7.0), Itk (CVS, not updated since
> at least two months), Cmake 2.0 patch 2.
> 
> 
>>- version of Fltk
> 
> 
> fltk-1.1.4
> 
> 
>>- Graphics card and driver version
> 
> ATI, Radeon 8500, Driver version 6.14.10.6414 (I copied this from within device manager)
> 
> 
> 
> 
> Many Thanx,
> Zein
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