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Last Post 25 Jul 2014 01:32 AM by  anon
image subsampling Unable to allocate memory
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anon



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25 Jul 2014 01:32 AM
    Hello, I'm learning the modeling tutorial. I generated displacement map (reflat_upha_disp) following the steps in manual, then in modelling module, when it comes to image subsampling, at first I got "Reflat_upha_disp" is not in projected coordinates. Then I projected all the files into UTM with WGS84 datum. However, then I got the message "Unable to allocate memory: to make array." I searched the forum, some thread said using tiled processing, but as the workstation has memory of 128G, why this message comes? Could anyone find the answer? I'm trying to use quadtree algorithm since I don't know how to generate areas.shp in ENVI. Is it from other software? Thanks a lot if anyone can help me. Best regards, Tim

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    18 Nov 2014 11:26 AM
    If your workstation has 128 Gb of RAM, that doesn't necessarily mean that you will be able to allocate an array of that size. When RAM is being allocated for an application like SARscape, the software looks for a contiguous chunk of RAM. It could be that even if there is enough available RAM overall to hold the array the software needs to create, the RAM is fragmented enough that there is not a contiguous chunk of RAM big enough for what the software needs. Peg Shippert Exelis VIS
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