osgearth_cache无法生成缓存 求大神帮忙

Westlife

D:\study\OPenGL\OSGEarthVideo\Practice\builder\earthfile>osgEarth_cache --seed china-simple.earth --bounds 108.944 18.626 109.814 18.122 --min-level 1 --max-level 6
Warning: Could not find plugin to read objects from file ".osgearth_cache_filesystem".
[osgEarth]* [CacheFactory] Failed to load cache plugin for type "filesystem"
Warning: Could not find plugin to read objects from file ".osgearth_cache_filesystem".
[osgEarth]* [CacheFactory] Failed to load cache plugin for type "filesystem"
Warning: Could not find plugin to read objects from file ".osgearth_cache_filesystem".
[osgEarth]* [CacheFactory] Failed to load cache plugin for type "filesystem"
Warning: Could not find plugin to read objects from file ".osgearth_cache_filesystem".
[osgEarth]* [CacheFactory] Failed to load cache plugin for type "filesystem"
Warning: Could not find plugin to read objects from file ".osgearth_cache_filesystem".
[osgEarth]* [CacheFactory] Failed to load cache plugin for type "filesystem"
[osgEarth]  Notice: Layer "GlobeImage" has no persistent cache defined; skipping.
[osgEarth]  Notice: Layer "detial-image" has no persistent cache defined; skipping.
[osgEarth]  Notice: Layer "world boundaries" has no persistent cache defined; skipping.
[osgEarth]  Notice: Layer "china_boundaries" has no persistent cache defined; skipping.
[osgEarth]  Notice: Layer "" has no persistent cache defined; skipping.
[osgEarth]  There are either no caches defined in the map, or no sources to cache. Exiting.

mercury2050

同问