<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Thanks! And since I’m developing on Mac and CentOS I’ll stick with compiling the source :-)<div class=""><br class=""><div apple-content-edited="true" class="">
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style="font-size:16px;font-family:Arial;color:rgb(18,18,18);font-weight:bold;vertical-align:baseline;white-space:pre-wrap" class="">Joshua Jackson, PhD</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt" class=""><span style="font-family:Arial;color:rgb(99,99,99);font-weight:bold;vertical-align:baseline;white-space:pre-wrap" class="">Senior ResearchEngineer</span></p><p dir="ltr" style="line-height:1.2;margin-top:2pt;margin-bottom:0pt" class=""><span style="font-family:Arial;color:rgb(99,99,99);font-weight:bold;vertical-align:baseline;white-space:pre-wrap" class=""><img src="https://lh5.googleusercontent.com/xatyzuzTr4qR18HGKcLsrwDas9DT5nxjDwkCZq2oG-ccb408r9aQRo2ECtEatULqLfmK6qV7gtExHhXK9xQE3klp1sk76B2zFUAjZ0jBU9G9fjiwoZTgOYf8xDoQ3jgUClsx0FI" width="11px;" height="12px;" style="border: none;" class=""></span><span style="font-family:Arial;color:rgb(221,75,57);font-weight:bold;vertical-align:baseline;white-space:pre-wrap" class=""> </span><span 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<br class=""><div><blockquote type="cite" class=""><div class="">On Apr 22, 2015, at 11:15 AM, Even Rouault <<a href="mailto:even.rouault@spatialys.com" class="">even.rouault@spatialys.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">Le mercredi 22 avril 2015 18:05:57, Dr. Joshua Jackson a écrit :<br class=""><blockquote type="cite" class="">So I changed my C++ code to follow the basic path of gdalcopyproj.py<br class="">instead of copying the complete data set (see code below), and I am<br class="">getting a separate .aux.xml file generated instead of the data being<br class="">merged to the JP2 image file.<br class=""><br class="">Someone mentioned testing against GDAL 2.0, but as I have 1.11.2 which<br class="">according to the GDAL web page is the latest release.<br class=""></blockquote><br class="">Yes, you definitely need the development version GDAL 2.0dev, unreleased yet, <br class="">and compile it from sources :<br class=""><a href="http://trac.osgeo.org/gdal/wiki/DownloadSource#Developmentversionandsourcecontrol" class="">http://trac.osgeo.org/gdal/wiki/DownloadSource#Developmentversionandsourcecontrol</a><br class=""><br class="">or use Windows binaries for the development version :<br class="">http://www.gisinternals.com/development.php<br class=""><br class=""><blockquote type="cite" class=""><br class="">const char *srcProjection = srcDataset->GetProjectionRef();<br class=""> double *srcTransform;<br class=""> srcDataset->GetGeoTransform(srcTransform);<br class=""> int gcpcount = srcDataset->GetGCPCount();<br class=""> const GDAL_GCP *gcps = srcDataset->GetGCPs();<br class=""> const char* gcpProj = srcDataset->GetGCPProjection();<br class=""><br class=""> dstDataset = (GDALDataset *) GDALOpen(maskPath, GA_Update);<br class=""><br class=""> dstDataset->SetGeoTransform(srcTransform);<br class=""> dstDataset->SetProjection(srcProjection);<br class=""> if (gcpcount > 0) {<br class=""> dstDataset->SetGCPs( gcpcount, gcps, gcpProj);<br class=""> }<br class=""><br class=""> if(dstDataset != NULL)<br class=""> {<br class=""> GDALClose((GDALDatasetH)dstDataset);<br class=""> }<br class=""><br class=""><br class=""><br class=""><br class="">Joshua Jackson, PhD<br class="">Senior ResearchEngineer<br class=""> (800) 604-1822 Ext. 5109 <tel:8006041822,5109> (256) 648-5109<br class=""><tel:2566485109> josh@nside.io <mailto:josh@nside.io> www.nSide.io<br class=""> <http://www.nside.io/> 4031 Parkway Dr, Suite B, Florence, AL 35630<br class=""> <http://www.linkedin.com/company/nside/> <http://twitter.com/nSide__Out><br class=""><br class=""><blockquote type="cite" class="">On Apr 15, 2015, at 4:06 PM, Dr. Joshua Jackson <josh@nside.io> wrote:<br class=""><br class="">Yes. For example original file is middle.jp2 New file is<br class="">middle_mask.jp2.<br class=""><br class="">gdalcopyproj.py middle.jp2 middle_mask.jp2<br class=""><br class="">Result is middle_mask.jp2 isn’t even modified according to OS time stamp,<br class="">but new file is created middle_mask.jp2.aux.xml.<br class=""><br class=""><br class=""><br class=""><br class="">Joshua Jackson, PhD<br class="">Senior ResearchEngineer<br class=""><br class=""> (800) 604-1822 Ext. 5109 <tel:8006041822,5109> (256) 648-5109<br class=""> <tel:2566485109> josh@nside.io <mailto:josh@nside.io> www.nSide.io<br class=""> <http://www.nside.io/> <http://www.nside.io/> 4031 Parkway Dr, Suite B,<br class=""> Florence, AL 35630<br class=""><br class=""> <http://www.linkedin.com/company/nside/> <br class=""> <http://twitter.com/nSide__Out><br class=""><blockquote type="cite" class=""><br class="">On Apr 15, 2015, at 4:02 PM, Even Rouault <even.rouault@spatialys.com<br class=""><mailto:even.rouault@spatialys.com>> wrote:<br class=""><br class="">Le mercredi 15 avril 2015 22:58:07, Dr. Joshua Jackson a écrit :<br class=""><blockquote type="cite" class="">gdalcopyproj does not work for me because it outputs a separate xml<br class="">file instead of overlaying the data into the new image file.<br class=""></blockquote><br class="">Weird. I've just tested it works properly with the latest GDAL trunk<br class="">(2.0dev).<br class=""><br class=""><blockquote type="cite" class="">Joshua Jackson, PhD<br class="">Senior ResearchEngineer<br class="">(800) 604-1822 Ext. 5109 <tel:8006041822,5109> (256) 648-5109<br class=""><tel:2566485109> josh@nside.io <mailto:josh@nside.io><br class=""><mailto:josh@nside.io <mailto:josh@nside.io>> www.nSide.io<br class=""><http://www.nside.io/> <http://www.nside.io/ <http://www.nside.io/>><br class="">4031 Parkway Dr, Suite B, Florence, AL 35630<br class=""><br class=""> <http://www.linkedin.com/company/nside/<br class=""> <http://www.linkedin.com/company/nside/>> <br class=""> <http://twitter.com/nSide__Out <http://twitter.com/nSide__Out>><br class=""><br class=""><blockquote type="cite" class="">On Apr 15, 2015, at 3:06 PM, Even Rouault <even.rouault@spatialys.com<br class=""><mailto:even.rouault@spatialys.com>> wrote:<br class=""><br class="">Le mercredi 15 avril 2015 21:46:26, Dr. Joshua Jackson a écrit :<br class=""><blockquote type="cite" class="">I’m looking for a good solution to copy the image meta data from one<br class="">JP2 to another JP2 in C++. I have a folder full of 4096x4096<br class="">JPEG2000 images that I am processing with OpenCV. On some of them I<br class="">create a copy of the image and do some manipulations to. As<br class="">expected the new image file is missing all the metadata.<br class=""><br class="">I have tried using CreateCopy() with the OpenJPEG library; and while<br class="">this does work it takes a really long time per image ~40sec. (My<br class="">image manipulations take only ~10sec).<br class=""><br class="">Is there some way to use the GetGDALDataSet() on the source file and<br class="">then call SetMetaData() on the destination file for each meta data<br class="">item? How would one iterate through the metadata items?<br class=""></blockquote><br class="">The "metadata" you're talking about are more the georeferencing info,<br class="">right ? (In GDAL "metadata" is about all other metadata, excluding the<br class="">georeferencing)<br class=""><br class="">If you use trunk, you could likely try the new USE_SRC_CODESTREAM=YES<br class="">creation open of the jp2openjpeg driver<br class=""><br class="">Something like:<br class=""><br class="">gdal_translate your_jp2_without_georef.jp2 out.jp2 -co<br class="">USE_SRC_CODESTREAM=YES -a_srs EPSG:4326 -a_ullr -96.9653320 <br class="">32.4645996 -96.9598389 32.4591064<br class=""><br class="">The SetGeoTransform() and SetProjection() API also do something<br class="">similar internally, so you could also do :<br class=""><br class="">gdal_edit.py your_jp2_without_georef.jp2 -a_srs EPSG:4326 -a_ullr<br class="">-96.9653320 32.4645996 -96.9598389 32.4591064<br class=""><br class="">or more conveniently:<br class=""><br class="">gdalcopyproj.py middle_mask.jp2 out.jp2<br class=""><br class="">(http://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/gdalcopyproj<br class="">.py<br class=""><http://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/gdalcopypro<br class="">j.py><br class=""><http://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/gdalcopypro<br class="">j.p<br class=""><http://svn.osgeo.org/gdal/trunk/gdal/swig/python/samples/gdalcopypro<br class="">j.p> y>)<br class=""><br class="">Even<br class=""><br class=""><blockquote type="cite" class="">Here is a sample GDALInfo printout for a source image:<br class=""><br class="">Driver: JP2OpenJPEG/JPEG-2000 driver based on OpenJPEG library<br class="">Files: middle_mask.jp2<br class="">Size is 4096, 4096<br class="">Coordinate System is:<br class="">GEOGCS["WGS 84",<br class=""><br class=""> DATUM["WGS_1984",<br class=""><br class=""> SPHEROID["WGS 84",6378137,298.257223563,<br class=""><br class=""> AUTHORITY["EPSG","7030"]],<br class=""><br class=""> AUTHORITY["EPSG","6326"]],<br class=""><br class=""> PRIMEM["Greenwich",0],<br class=""> UNIT["degree",0.0174532925199433],<br class=""> AUTHORITY["EPSG","4326"]]<br class=""><br class="">Origin = (-96.965332031250000,32.464599609375000)<br class="">Pixel Size = (0.000001341104507,-0.000001341104507)<br class=""><br class="">Image Structure Metadata:<br class="">INTERLEAVE=PIXEL<br class=""><br class="">Corner Coordinates:<br class="">Upper Left ( -96.9653320, 32.4645996) ( 96d57'55.20"W,<br class="">32d27'52.56"N) Lower Left ( -96.9653320, 32.4591064) (<br class="">96d57'55.20"W, 32d27'32.78"N) Upper Right ( -96.9598389, <br class="">32.4645996) ( 96d57'35.42"W, 32d27'52.56"N) Lower Right (<br class="">-96.9598389, 32.4591064) ( 96d57'35.42"W, 32d27'32.78"N) Center <br class=""> ( -96.9625854, 32.4618530) ( 96d57'45.31"W, 32d27'42.67"N) Band 1<br class="">Block=1024x1024 Type=Byte, ColorInterp=Red<br class=""><br class="">Overviews: 2048x2048, 1024x1024, 512x512, 256x256<br class="">Overviews: arbitrary<br class=""><br class="">Band 2 Block=1024x1024 Type=Byte, ColorInterp=Green<br class=""><br class="">Overviews: 2048x2048, 1024x1024, 512x512, 256x256<br class="">Overviews: arbitrary<br class=""><br class="">Band 3 Block=1024x1024 Type=Byte, ColorInterp=Blue<br class=""><br class="">Overviews: 2048x2048, 1024x1024, 512x512, 256x256<br class="">Overviews: arbitrary<br class=""><br class="">Joshua Jackson, PhD<br class="">Senior ResearchEngineer<br class="">(800) 604-1822 Ext. 5109 <tel:8006041822,5109> (256) 648-5109<br class=""><tel:2566485109> josh@nside.io <mailto:josh@nside.io><br class=""><mailto:josh@nside.io <mailto:josh@nside.io>> <mailto:josh@nside.io<br class=""><mailto:josh@nside.io> <mailto:josh@nside.io<br class=""><mailto:josh@nside.io>>> www.nSide.io <http://www.nside.io/><br class=""><http://www.nside.io/ <http://www.nside.io/>> <http://www.nside.io/<br class=""><http://www.nside.io/> <http://www.nside.io/<br class=""><http://www.nside.io/>>> 4031 Parkway Dr, Suite B, Florence, AL<br class="">35630<br class=""><br class=""><http://www.linkedin.com/company/nside/<br class=""><http://www.linkedin.com/company/nside/><br class=""><http://www.linkedin.com/company/nside/<br class=""><http://www.linkedin.com/company/nside/>>><br class=""><http://twitter.com/nSide__Out <http://twitter.com/nSide__Out><br class=""><http://twitter.com/nSide__Out <http://twitter.com/nSide__Out>>><br class=""></blockquote></blockquote></blockquote></blockquote></blockquote></blockquote><br class="">-- <br class="">Spatialys - Geospatial professional services<br class="">http://www.spatialys.com<br class=""></div></blockquote></div><br class=""></div></body></html>