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Re: [ptp-dev] Abstract element viewer selection bug

Clement. This is more than acceptable to me - and I assume Greg as well. You've correctly explained the problem, bugged it to Eclipse, and gone through a discussion with some people in the bug report as to where you see the bug.

I am fine writing it off right now as a Linux GTK2 SWT bug.

Thanks for taking the time to send in the bug report and explain it to me. We can just wait until it gets fixed for Linux and until then tell our testers/users that this is a known bug that is outside of our problem.

-- Nathan
Correspondence
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Nathan DeBardeleben, Ph.D.
Los Alamos National Laboratory
Parallel Tools Team
High Performance Computing Environments
phone: 505-667-3428
email: ndebard@xxxxxxxx
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Clement Chu wrote:

This is the link https://bugs.eclipse.org/bugs/show_bug.cgi?id=105647 I sent to eclispe's bug report before. Even I know this error, but I dunno how to fix it now. :-(

Clement


Nathan DeBardeleben wrote:

More information.
Attached are 2 more screenshots. The first, selectbug2.gif, shows me selecting a region where the region isn't off the screen. You can see that as I select a rectangular region it's going 5 or so nodes north of where I'm selecting and grabbing those nodes. I've hovered over the node number to give you an estimate of where this happens.

The second screenshot, selectbug3, is hard to explain. What I'm doing here is just selecting a SINGLE node. The mouse isn't showing up in the screenshots :(. However, you know that the hover tooltip is displayed near/on top of the mouse. So you have an idea of where my house is. Anyway, in this screenshot as I hover over this node and select it, notice that the node about 7 rows north gets selected instead. There's some sort of math translation that's wrong here. It's incorrectly dealing with machines that have this high number of nodes. Again, you can fix it temporarily by resizing the machine window. So it makes me think there's some relationship to the rows/columns (number of elements displayed) code.

Hope this helps others see what I'm seeing.

-- Nathan
Correspondence
---------------------------------------------------------------------
Nathan DeBardeleben, Ph.D.
Los Alamos National Laboratory
Parallel Tools Team
High Performance Computing Environments
phone: 505-667-3428
email: ndebard@xxxxxxxx
---------------------------------------------------------------------



Nathan DeBardeleben wrote:

I've attached a screenshot here that shows the bug. Basically on a Linux box I set the simulator preferences to 1 machine and 50,000 nodes. I then was scrolling around the machine view and saw that when I scrolled towards the bottom and hovered over a node it didn't display the tool tip. I then tried to select a region and it totally screwed up.

Take a look at the screenshot.
Notice that I'm halfway down the list fof machines, trying to select a rectangular region, but it's zooming the bottom of the rectangle off the screen and is ALSO selecting the nodes above my region, off the screen. Something's wrong with the logic when the number of nodes is very large.

Clement, can you take a look at this since you wrote the code? We kind of need this fixed because we're going to want to demonstrate that we can simulate on a massive number of machines.

Thanks! Hopefully it's clear what error I'm seeing by looking at the screenshot.


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