/usr/share/osgearth/maps/boston.earth is in osgearth-data 2.5.0+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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osgEarth Sample.
Demonstrates the use of a Resource Library in order to apply "typical" textures
to extruded buildings.
-->
<map name="Boston Demo" type="geocentric" version="2">
<options elevation_tile_size="15">
<terrain lighting="true"/>
</options>
<image name="mapquest_open_aerial" driver="xyz" enabled="false">
<url>http://oatile[1234].mqcdn.com/tiles/1.0.0/sat/{z}/{x}/{y}.jpg</url>
<profile>spherical-mercator</profile>
<cache_policy usage="no_cache"/>
<nodata_image>http://oatile3.mqcdn.com/tiles/1.0.0/sat/13/636/6210.jpg</nodata_image>
</image>
<image name="readymap_imagery" driver="tms">
<url>http://readymap.org/readymap/tiles/1.0.0/22/</url>
<color_filters>
<gamma rgb="1.3"/>
</color_filters>
</image>
<elevation name="readymap_elevation" driver="tms">
<url>http://readymap.org/readymap/tiles/1.0.0/9/</url>
</elevation>
<model name="buildings" driver="feature_geom">
<features name="buildings" driver="ogr">
<url>/usr/share/osgearth/data/boston_buildings_utm19.shp</url>
<build_spatial_index>true</build_spatial_index>
</features>
<!--
<feature_indexing/>
-->
<!--
The "layout" element activates tiling and paging of the feature set. If you
omit the layout element, the entire feature set will render as one pre-loaded
model (no tiling or paging).
Each "level" is a level of detail for features, and should select a style
to use for that level. It also can specify min and max camera ranges,
in meters.
The "tile size factor" controls how a feature is tiled. The higher this factor,
the smaller the tile size, and the more tiles will be used to render a given
level of detail. The default is 15. (The renderer multiplies a tile's radius
by the tile_size_factor to calculate the maximum suitable camera range for
a given level of subdivision. It compares this to the feature level's max
range to decide how many tiles to create.)
-->
<layout tile_size_factor="52">
<level name="default" max_range="20000" style="buildings"/>
</layout>
<styles>
<library name="us_resources">
<url>/usr/share/osgearth/data/resources/textures_us/catalog.xml</url>
</library>
<style type="text/css">
buildings {
extrusion-height: 3.5 * max([story_ht_], 1);
extrusion-flatten: true;
extrusion-wall-style: building-wall;
extrusion-wall-gradient: 0.8;
extrusion-roof-style: building-rooftop;
altitude-clamping: terrain;
altitude-technique: map;
altitude-binding: vertex;
}
building-wall {
skin-library: us_resources;
skin-tags: building;
skin-random-seed: 1;
fill: #ffffff;
}
building-rooftop {
skin-library: us_resources;
skin-tags: rooftop;
skin-tiled: true;
skin-random-seed: 1;
fill: #ffffff;
}
</style>
</styles>
</model>
<model name="Streets" driver="feature_geom" enabled="false">
<features name="streets" driver="ogr" build_spatial_index="true">
<url>/usr/share/osgearth/data/boston-scl-utm19n-meters.shp</url>
<resample max_length="25"/>
</features>
<layout crop_features="true" tile_size_factor="7.5">
<level max_range="5000"/>
</layout>
<styles>
<style type="text/css">
streets {
stroke: #ffff007f;
stroke-width: 7.5m;
altitude-clamping: terrain;
altitude-technique: gpu;
render-depth-offset-min-bias: 10;
}
</style>
</styles>
</model>
<model name="Parks" driver="feature_geom" enabled="false">
<features name="parks" driver="ogr" build_spatial_index="true">
<url>/usr/share/osgearth/data/boston-parks.shp</url>
</features>
<layout tile_size_factor="3.5">
<level max_range="3500"/>
</layout>
<instancing>true</instancing>
<styles>
<style type="text/css">
parks {
model: "/usr/share/osgearth/data/tree.ive";
model-placement: random;
model-density: 12000;
model-scale: 1.0;
altitude-clamping: terrain;
altitude-technique: map;
altitude-resolution: 0.001;
}
</style>
</styles>
</model>
<external>
<viewpoints>
<viewpoint name="Boston Overview" heading="24.261" height="0" lat="42.34425" long="-71.076262" pitch="-21.6" range="3450"/>
<viewpoint name="Boston Downtown 1" heading="117" lat="42.3568" long="-71.0585" height="0" pitch="-20.4" range="1500" />
<viewpoint name="Boston Downtown 2" heading="-128.5" lat="42.3582" long="-71.0546" height="0" pitch="-19" range="1620" />
<viewpoint name="Boston Street Level" heading="-145.85" lat="42.36460" long="-71.053612" pitch="-10.1" range="85.034"/>
</viewpoints>
<sky hours="14.0"/>
</external>
</map>
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