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[IDV #ZEO-881615]: Screen Capture and Other Issues

Hi Stefan,

Thanks for submitting these important issues.

In the divide and conquer department, my suggestion is that the e-support forum 
works best when one issue is submitted at a time with supporting documentation 
(bundles, stack traces, etc.). In addition, precise steps on how to arrive at 
the errors is also greatly appreciated. I detect at least four separate issues 
below, and each one will require (probably a fair bit) of follow up discussion. 
Keeping these as one issue will become unwieldy.

Again, many thanks for your valuable input.


> Full Name: Stefan Cecelski
> Email Address: address@hidden
> Organization: University of Maryland
> Package Version: 2.9u4 build date:2011-04-13 07:13 UTC
> Operating System: Mac OS X
> Hardware: Java: home: 
> /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home version: 
> 1.6.0_24 j3d:1.5.2 fcs (build4)
> Description of problem: Hi all,
> I have some suggestions based on my work using the nightly build. Whenever I 
> create a new projection, no map shows up in the view box to set the domain. 
> Furthermore, when I go to edit the projection after saving it, I get a java 
> exception error. A suggestion I would like to make is to allow users to set a 
> projection not just based on the map, but by entering lat/lon to define the 
> box. This would be helpful since I know the lat/lon box of my WRF runs, and 
> would just like to set the projection based on that, without having to mess 
> around with a map.
> I am also having issues when capturing images and movies. I have a computer 
> monitor attached to my laptop. I have the dashboard display on the laptop 
> screen with the maps on my external monitor. When I go to capture an image, 
> it will try to capture the images from my laptop screen and not the other 
> monitor where my actual display is located. This yields saved images that are 
> completly black. Does the image capture default to the screen where the 
> dashboard is located? Is it possible for the IDV to capture images off an 
> external display, or by selecting which screen the maps are on?
> I am getting suprious lines even with the suprious line fix plugin. I have 
> figured out that when plotting streamlines of flow vectors in IDV, changing 
> the density of the streamlines can create suprious streamlines. I end up 
> tweaking the density around until I find a density that doesn't have any 
> suprious streamlines. This can be tricky, and the spurious lines tend to 
> occur when the density is above medium, and is especially prevelant when 
> nearing high streamline densities. Furthermore, fast rendering contours and 
> maps also generates spurious streamlines. If I fast render any of the global 
> country maps, I get supruious streamlines.
> Finally, I am having some stability issues with IDV. I am running my laptop 
> with 6gb of RAM, and dedicate at least 2gb to IDV. The memory isnt the issue 
> however, its the processor(2.4Ghz dual core 64bit). Whenever I go to render a 
> derived product(such as potential vorticity), my processor kicks in majorly. 
> This is understandable for when the data is processing, especially for larger 
> data sets. What is odd is that after the data is done processing and is 
> displayed on the screen, IDV is still using 75-80% of my processor. This is 
> true even after the display and data is removed. Its like the IDV thinks it 
> needs to use my CPU when really there is nothing happening. What I end up 
> doing is close out IDV, let my CPU calm down and then start IDV back up 
> again. This alleviates the issue until I try to display a derived quantity 
> again. Not sure why IDV thinks it needs to keep using my processor like crazy.
> Thanks for your attention to this matter!
> V/R,
> Stefan Cecelski

Ticket Details
Ticket ID: ZEO-881615
Department: Support IDV
Priority: Normal
Status: Closed

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