Hi All,<br> Testing out gdal 1.8; really excited by <a href="http://www.gdal.org/gdallocationinfo.html">http://www.gdal.org/gdallocationinfo.html</a>. Below is a comparison of doing the same process in 1.7.3 and then 1.8dev, released 2010/01/19<br>
<br>$ gdaladdo --version<br>
GDAL 1.7.3, released 2010/11/10<br><br>$ gdalbuildvrt LEAP_Tree_Height_low_res_test.vrt *.png<br>0...10...20...30...40...50...60...70...80...90...100 - done.<br><br>$ gdal_translate -b 1 LEAP_Tree_Height_low_res_test.vrt LEAP_Tree_Height_low_res_test.tif<br>
<br>Input file size is 60000, 60000<br>0...10...20...30...40...50...60...70...80...90...100 - done.<br><br>$ gdaladdo -r average LEAP_Tree_Height_low_res_test.tif 2 4 8 16 32 64 128 256 512 1024<br>0...10...20...30...40...50...60...70...80...90...100 - done.<br>
<br><br>sudo make install 1.8<br>then:<br>$ gdaladdo --version<br>GDAL 1.8dev, released 2010/01/19<br><br>$ gdalbuildvrt LEAP_Tree_Height_low_res_test.vrt *.png<br>0...10...20...30...40...50...60...70...80...90...100 - done.<br>
$ gdal_translate -b 1 LEAP_Tree_Height_low_res_test.vrt LEAP_Tree_Height_low_res_test.tif<br>Input file size is 60000, 60000<br>0...10...20...30...40...50...60...70...80...90...100 - done.<br>$ gdaladdo -r average LEAP_Tree_Height_low_res_test.tif 2 4 8 16 32 64 128 256 512 1024<br>
0...10...20...30...40.Segmentation fault<br><br>I've compiled this with ./configure, make, sudo make install on a Mac 10.6.5 2.4GHz Intel Core 2 Duo with 2GB memory.<br><br>Thanks,<br>Steve<br>