On Aug 24, 2009, at 8:41 PM, Alan W. Irwin wrote:

> On 2009-08-24 16:13-0700 Jerry wrote:
>
>> The renderings of Example 1 using pdfqt and epsqt on OS X are  
>> attached. Theseare screen shots with a bit of the gray background  
>> of the PDF program (aPDFkit application) showing around the edges.  
>> pdfqt seems to have orientedthe plots relative to the background 90  
>> degrees, clipping part of the plots.epsqt has a part-black and part- 
>> white background. Adobe Reader showed thesame result on the pdfqt  
>> file but did not open the epsqt file. (Is EPS notsupported by Adobe  
>> Reader?!?).
>>
>> Running ./x09c -dev qtwidget or ./x09c -fam -dev qtwidget causes  
>> the firstpage to be drawn only after the Qt program is made the  
>> front application(gets focus); subsequent pages are drawn only  
>> after hitting RETURN and theneither the window is resized or  
>> another application is made the frontapplication.
>>
>> Sorry for being so slow in finding these.
>
> What version of Qt4?
>
> Here is the summary of the discussion in README.release on Qt4  
> version issues.
>
> "In sum, Qt-4.4.3 is worth trying if it is already installed on your  
> machine,
> but if you run into any difficulty with it please switch to Qt-4.5.x  
> (once
> Qt-4.5.x is installed all you have to do is to put the 4.5.x version  
> of
> qmake in your path, and cmake does the rest).  If the problem  
> persists for
> Qt-4.5, then it is worth reporting a qt bug."
>
> Follow up on the context of the above quote to see how you can install
> Qt4.5.x.  I get good-looking results with it.
>
> Alan

I'm using 4.5.2.

FWIW, x17c (stripchart) using qtwidget shows only a blank (gray)  
screen until the stripchart animation has stopped (it seems), then the  
complete plot is shown as a fixed image.

Jerry


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