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  • VPB测试 使用Osgdem运行例子

    1.Osgdem运行例子所需数据下载地址:

    http://www.cc.gatech.edu/projects/large_models/ps.html

    Download Elevation Map: 16385 × 16385 PNG: 188MB 
    Download Texture Map: 16384 × 16384 PNG: 268MB

    2.GDAL对高程数据和影像数据格式化处理:

    gdal_translate ps_height_16k.png ps_height_16k.tif

    gdaladdo -r average ps_height_16k.tif 2 4 8 16 32

    gdal_translate ps_texture_16k.png ps_texture_16k.tif

    gdaladdo -r average ps_texture_16k.tif 2 4 8 16 32

    3.使用osgdem命令生成模型文件

    osgdem --xx 10 --yy 10 -t ps_texture_16k.tif  
    --xx 10 --yy 10 -d ps_height_16k.tif  
    -l 8 -v 0.1 -o puget.ive -a pegout.osga

    Microsoft Windows [版本 10.0.17134.984]
    (c) 2018 Microsoft Corporation。保留所有权利。

    C:WindowsSystem32>e:

    E:>
    E:>
    E:>
    E:>cd E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata

    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>gdal_translate ps_height_16k.png ps_height_16k.tif
    Input file size is 16385, 16385
    0...10...20...30...40...50...60...70...80...90...100 - done.

    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>gdaladdo -r average ps_height_16k.tif 2 4 8 16 32
    0...10...20...30...40...50...60...70...80...90...100 - done.

    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>gdal_translate ps_texture_16k.png ps_texture_16k.tif
    Input file size is 16384, 16384
    0...10...20...30...40...50...60...70...80...90...100 - done.

    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>gdaladdo -r average ps_texture_16k.tif 2 4 8 16 32
    0...10...20...30...40...50...60...70...80...90...100 - done.

    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>osgdem --xx 10 --yy 10 -t ps_texture_16k.tif --xx 10 --yy 10 -d ps_height_16k.tif -l 8 -v 0.1 -o puget.ive -a pegout.osga
    Warning: archive option -a is temporarily disabled, building with archive.
    --xx 10
    --yy 10
    -t ps_texture_16k.tif
    ADD: ps_texture_16k.tif
    loaded layer ps_texture_16k.tif

    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>
    E:OpenSourceGraphVirtualPlanetBuilder_0_9_installdata>

    参考:https://www.cnblogs.com/eaglezhao/archive/2011/09/26/2192374.html

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  • 原文地址:https://www.cnblogs.com/herd/p/11436736.html
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