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

[Clement Chu <clement.chu@xxxxxxxxx>]

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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