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>