My satellite image is really dark, so I have to enhance it. I noticed that a RasterLayer class hast properties like gamma and contrast. When I set any value for those properties, it has no effect.
<SPAN class="keyword token">var</SPAN> raster_antarctic <SPAN class="operator token">=</SPAN> <SPAN class="keyword token">new</SPAN> <SPAN class="token class-name">Raster</SPAN><SPAN class="punctuation token">(</SPAN>Path<SPAN class="punctuation token">.</SPAN><SPAN class="token function">Combine</SPAN><SPAN class="punctuation token">(</SPAN>Android<SPAN class="punctuation token">.</SPAN>OS<SPAN class="punctuation token">.</SPAN>Environment<SPAN class="punctuation token">.</SPAN>ExternalStorageDirectory<SPAN class="punctuation token">.</SPAN>AbsolutePath<SPAN class="punctuation token">,</SPAN> antarctic_tiff<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="keyword token">var</SPAN> rasterLayer_antarctic <SPAN class="operator token">=</SPAN> <SPAN class="keyword token">new</SPAN> <SPAN class="token class-name">RasterLayer</SPAN><SPAN class="punctuation token">(</SPAN>raster_antarctic<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
rasterLayer_antarctic<SPAN class="punctuation token">.</SPAN>Brightness <SPAN class="operator token">=</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">100</SPAN><SPAN class="punctuation token">;</SPAN>
rasterLayer_antarctic<SPAN class="punctuation token">.</SPAN>Contrast <SPAN class="operator token">=</SPAN> <SPAN class="operator token">-</SPAN><SPAN class="number token">100</SPAN><SPAN class="punctuation token">;</SPAN>
rasterLayer_antarctic<SPAN class="punctuation token">.</SPAN>Gamma <SPAN class="operator token">=</SPAN> <SPAN class="number token">100</SPAN><SPAN class="punctuation token">;</SPAN>
MyMap<SPAN class="punctuation token">.</SPAN>Map<SPAN class="punctuation token">.</SPAN>Basemap<SPAN class="punctuation token">.</SPAN>BaseLayers<SPAN class="punctuation token">.</SPAN><SPAN class="token function">Add</SPAN><SPAN class="punctuation token">(</SPAN>rasterLayer_antarctic<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="line-numbers-rows"><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN></SPAN>
Is there something else I have to do for these values to take effect?
