osgearth_cache

seer

大家好，我用tests中的例子ocean.earth先生成缓存为何总是写不进去，可能问题有哪些，请指点一下,
例子ocean.earth文件，
<!--
osgEarth Sample - ReadyMap.ORG Server - http://readymap.org

ReadyMap.ORG provides free global base map data for osgEarth developers!
This tiled, worldwide dataset of imagery, elevation, and street map data
is a great base map that provides global context for your own local datasets.
It works "out of the box" with osgEarth applications.

**** NOTICE ****
YOU ARE RESPONSIBLE for abiding by the TERMS AND CONDITIONS outlined at:
http://readymap.org

-->
<map name="readymap.org" type="geocentric" version="2">

    <image name="ReadyMap.org - Imagery" driver="tms">
        <url>http://readymap.org/readymap/tiles/1.0.0/7/</url>
    </image>

    <image name="ReadyMap.org - Street Map" driver="tms">
        <url>http://readymap.org/readymap/tiles/1.0.0/35/</url>
    </image>
        
    <elevation name="ReadyMap.org - Elevation" driver="tms">
        <url>http://readymap.org/readymap/tiles/1.0.0/9/</url>
    </elevation>
   
    <options>
        <terrain>
            <lighting>false</lighting>
            <sample_ratio>0.125</sample_ratio>
        </terrain>
        
        <cache driver="filesystem">
            <path>osgearth_cache</path>
        </cache>
    </options>
   
    <external>
        <sky/>
        
        <!-- Ocean parameters. -->
        <ocean>
        
            <!-- Surface texture to use -->
            <texture_url>../data/watersurface1.png</texture_url>
            
            <!-- Masking layer to use (optional...without a masking layer, osgEarth will sample the
                 terrain elevation data to determine where the ocean is.
            <mask_layer driver="tms">
                <url>http://readymap.org/readymap/tiles/1.0.0/2/</url>
            </mask_layer>
            -->
            
            <!-- surface color (before texturing) -->
            <base_color>#334f7fbf</base_color>
        </ocean>
        
        <viewpoint name="Los Angeles" heading="35.27" height="97.48" lat="34.051" long="-117.974" pitch="-17" range="136405"/>
    </external>
</map>
现象如下：

seer

解决了，原来缺少proj插件

flylong0204

我也遇到同样的问题，但不知如何解决。我修改的是波士顿的earth文件，不知道如何将cache文件夹内容与earth文件的cache内容绑定起来，求指导？