Re: Recent Fiji gets slow in constructing an image

Posted by ctrueden on May 31, 2017; 12:05am
URL: http://imagej.273.s1.nabble.com/Recent-Fiji-gets-slow-in-constructing-an-image-tp5018803p5018805.html

Hi Yuekan,

Which version of ImageJ 1.x is being used in each case?

Have you tried the Help > Update ImageJ... command to up/downgrade ImageJ
1.x, to see whether that makes a difference?

Have you tried generating a stack trace after the hang, to shed some light
on the culprit?
    https://imagej.net/Troubleshooting#If_ImageJ_freezes_or_hangs

Regards,
Curtis

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Curtis Rueden
LOCI software architect - https://loci.wisc.edu/software
ImageJ2 lead, Fiji maintainer - https://imagej.net/User:Rueden
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On Tue, May 30, 2017 at 6:36 PM, Yuekan Jiao <[hidden email]> wrote:

> Hi,
>
> I have a plugin which constructs a mosaic image imp (ImageProcessor ip)
> simply based on the tiles' coordinates. Each tile (ipTile) is read into the
> mosaic image being shown, and the mosaic image is updated. the workflow is:
>
> loop through each tile{
>      for (int j = 0; j < heightTile; j++) {
>           for (int i = 0; i < widthTile; i++) {
>                ip.set(xCoor + i, yCoor + j, ipTile.get(i, j));
>           }
>      }
>      imp.updateAndDraw();
> }
>
> This process gets much slower with recently released Fiji, and hangs. I
> tracked the Fiji versions on all my computers:
>
> 1. Jave 8 ImageJ-win64.exe dated 12/14/2016 works fine but May 30 2017
> version and a bit earlier ones do not.
>
> 2. Java 6 life-line versions earlier than May 30, 2017 work fine, but May
> 30 2017 version does not.
>
> All my systems are windows 7 with Java 8 installed.
>
> Thank you.
>
>
> Yuekan
>
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>

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