[vtkusers] [Gdcm2] Question : Performance problem of gdcmviewer

[Mathieu Malaterre]

On Mon, Oct 6, 2008 at 1:58 PM, 石原昌文 <m-ishihara at 3zweb.co.jp> wrote:
> I'm afraid, but
>
>> >                     15001KB*              slow
>> >             (* compressed file attached to this mail)
>>
>> This is not so much about the size of the data that matter here. If
>> you have a 512x512x10 volume I bet you would not see any issue here.
>
> 512x512x10=2621440 = 2621KB < 15001KB (compressed file)
> I think the threshold is between them.
> What do you think of it?

...

Ok, try this one:
http://cvs.creatis.insa-lyon.fr/viewvc/gdcmData/GE_DLX-8-MONO2-Multiframe.dcm

This is a 512x512x56, this also ~15M

I bet you'll not see any slowdown.

BTW, as Matthias suggested, download glview and check the value for
GL_MAX_TEXTURE_SIZE on your system.

-- 
Mathieu