阅读:5040回复:11
如何把等高线转换成TIN
<P>请问各位高手</P>
<P>如何从一个等高线文件中获得TIN?</P> |
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1楼#
发布于:2007-08-07 14:47
<P 0cm 0cm 0pt 42pt; TEXT-INDENT: -18pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><FONT face="Times New Roman">1. </FONT>在<FONT face="Times New Roman">ArcCatalog</FONT>中把等高线<FONT face="Times New Roman">DXF</FONT>文件拉入到<FONT face="Times New Roman">ArcScene</FONT>中显示;<p></p></P>
<P 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 0cm"><FONT face="Times New Roman">2. </FONT>一个<FONT face="Times New Roman">DXF</FONT>文件在<FONT face="Times New Roman">ArcScene</FONT>中对应若干个<FONT face="Times New Roman">Scene layers</FONT>,分别用右键点击每个<FONT face="Times New Roman">layer</FONT>,选择<FONT face="Times New Roman">Open Attribute Table</FONT>菜单,查看每个<FONT face="Times New Roman">layer</FONT>所包含的属性信息,从而找出包含有<FONT face="Times New Roman">DXF</FONT>文件高程字段信息的<FONT face="Times New Roman">layer</FONT>文件;<p></p></P> <P 0cm 0cm 0pt; TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; mso-list: l0 level1 lfo1; tab-stops: list 0cm"><FONT face="Times New Roman">3. </FONT>在<FONT face="Times New Roman">ArcScene</FONT>中,利用<FONT face="Times New Roman">3D Analyst</FONT>下拉菜单下的<FONT face="Times New Roman">Create/Modify TIN</FONT>→<FONT face="Times New Roman">Create TIN From Features</FONT>工具,在左侧选项框中选中带有高程字段的<FONT face="Times New Roman">layer</FONT>,右侧<FONT face="Times New Roman">Height source</FONT>中选择高程字段,下面<FONT face="Times New Roman">Output TIN</FONT>中输入新建<FONT face="Times New Roman">TIN</FONT>名称,点击<FONT face="Times New Roman">OK</FONT>按钮,即可生成盘区<FONT face="Times New Roman">TIN</FONT>模型。<p></p></P> |
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2楼#
发布于:2007-08-09 23:03
什么是DXF文件?
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3楼#
发布于:2007-08-27 11:34
学习了
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4楼#
发布于:2007-10-01 20:18
<img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em02.gif" /><img src="images/post/smile/dvbbs/em05.gif" /><img src="images/post/smile/dvbbs/em05.gif" />
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5楼#
发布于:2007-11-19 04:04
通过等高线的节点构TIN,同时等高线作为限定线,
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6楼#
发布于:2008-02-05 09:08
从等高线上提取特征点就可完成,在mapgis的空间分析里有这个功能
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7楼#
发布于:2009-05-26 00:31
有TIN怎么生成DEM啊?<img src="images/post/smile/dvbbs/em02.gif" />
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8楼#
发布于:2009-05-26 00:32
我有带高程值的线文件,怎么生成DEM啊?<img src="images/post/smile/dvbbs/em02.gif" />
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9楼#
发布于:2009-05-27 14:17
<P>要看你要的DEM 是什么格式的</P>
<P>一般是把等高线生成TIN ,然后在用tin生成DEM .</P> |
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