https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/22984/2d-esri-shapefile-shp-dtmtinen-USTelligent Community 12https://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/22984/2d-esri-shapefile-shp-dtmtinWed, 05 Aug 2015 05:42:01 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:6e4e2153-a4bd-432e-b570-f844701b43caYingling.Tianhttps://communities.bentley.com/communities/other_communities/chinafirst/w/chinawiki/22984/2d-esri-shapefile-shp-dtmtin#commentsCurrent Revision posted to 技术资料库 by Yingling.Tian on 8/5/2015 5:42:01 AM<br /> <h1><b><img width="189" height="60" style="border-width:0px;" alt=" " src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" /></b></h1> <h1></h1> <p class="BentleyHeading1"><strong>问题描述</strong></p> <p><span style="font-family:courier new,courier;">ESRI Shapefile(.SHP)文件含有2D的等高线，如何创建一个3D的地形模型（DTM/TIN）？</span></p> <p class="BentleyHeading1"><strong>解决方案</strong></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">首先要用Bentley Map软件导入这些等高线，并且附上高程（</span><span style="font-family:courier new,courier;">在PowerCivil里，找到菜单工具&gt;激活Bentley Map软件）。<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">在Bentley Map的操作流程：<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">1、在文件菜单里找到&ldquo;Map interoperability&rdquo;；<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">2、选中Import，点击右键添加新的import；</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">3、选中Import新的节点，点右键选择添加文件或者文件夹；<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">4、在&ldquo;General Section/Elevation，下拉框里选中&rdquo;Contour ELEV&ldquo;;</span><span style="font-family:courier new,courier;"><br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">5、按照需要定义Symbology;<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">6、右键选中Import节点下的文件名称，选中import。<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;"><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-04-10/QQ_2A62FE56_20150805132014.png"><img src="/resized-image/__size/940x0/__key/communityserver-wikis-components-files/00-00-00-04-10/QQ_2A62FE56_20150805132014.png" alt=" " /></a><br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">备注：如果.shp文件的高程单位与需要导入到.dgn文件的不一致时，在导入的时候，需要输入一个转换率。比如：[Contours.ELEV] * 3.2808333&nbsp;<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">附上高程后，在PowerCivil软件里，用图形过滤器创建地形模型<strong>Create Terrain Model&nbsp;By Graphical Filters</strong>工具创建3D的地形模型。<br /></span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p> <p class="BentleyHeading1"><span style="font-family:courier new,courier;">&nbsp;</span></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: DTM 地形模型</div>