1<!-- 2osgEarth Sample : gdal_interp.earth 3 4Shows the difference between all the available intepolation modes for the gdal driver. 5 6Because the world.tif file is very slow resolution, we increase the max_data_level to force additional tiles to be generated 7to show off the effect of the interpolation. 8 9Run with osgearth_toc to see the differences in interpolation 10 11Note, gdal image interpolation is only available if your GDAL version is 2.0 or higher. 12--> 13 14<map name="gdal_interp" type="geocentric" version="2"> 15 16 <options lighting="false"> 17 <cache_policy usage="no_cache"/> 18 </options> 19 20 <image name="nearest" driver="gdal"> 21 <url>../data/world.tif</url> 22 <max_data_level_override>19</max_data_level_override> 23 <interpolation>nearest</interpolation> 24 </image> 25 26 <image name="bilinear" driver="gdal"> 27 <url>../data/world.tif</url> 28 <interpolation>bilinear</interpolation> 29 <max_data_level_override>19</max_data_level_override> 30 </image> 31 32 <image name="average" driver="gdal"> 33 <url>../data/world.tif</url> 34 <interpolation>average</interpolation> 35 <max_data_level_override>19</max_data_level_override> 36 </image> 37 38 <image name="cubic" driver="gdal"> 39 <url>../data/world.tif</url> 40 <interpolation>cubic</interpolation> 41 <max_data_level_override>19</max_data_level_override> 42 </image> 43 44 <image name="cubicspline" driver="gdal"> 45 <url>../data/world.tif</url> 46 <interpolation>cubicspline</interpolation> 47 <max_data_level_override>19</max_data_level_override> 48 </image> 49 50</map>