Changes between Version 62 and Version 63 of WKTRasterTutorial01


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Timestamp:
Jun 15, 2010, 1:27:02 PM (14 years ago)
Author:
pracine
Comment:

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  • WKTRasterTutorial01

    v62 v63  
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    337 This version takes only 17 minutes. Almost half the time spent by the preceding one... This little increase in complexity certainly worths the gain in performance.
     337This version takes only 17 minutes. Almost half the time spent by the preceding one... This little increase in complexity certainly worths the gain in performance. The size of the tiles has also a major effect here. If we restart the whole process with 60 pixels x 60 pixels tiles (60 is a divider of 6000) the intersection operation takes 9 minutes.
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    339339Once again you can visualise the result of the query by doing this query in OpenJUMP (you might have to increase RAM allowed to OpenJUMP by changing "-Xmx256M" to "-Xmx1024M" in "OpenJUMPInstallPath/bin/openjump.bat"):