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<p class=MsoNormal><b><span style='font-size:12.0pt;font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>坐标转换问题</span></b><b><span
lang=EN-US style='font-size:12.0pt'><o:p></o:p></span></b></p>
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<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>坐标转换问题的详细了解对于测量很重要，那么请和我一起来讨论这个问题。</span></p>
<p class=MsoNormal><span lang=EN-US><span style='mso-tab-count:1'> </span></span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>首先，我们要弄清楚几种坐标表示方法。大致有三种坐标表示方法：经纬度和高程，空间直角坐标，平面坐标和高程。</span></p>
<p class=MsoNormal><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>我们通常说的</span><span lang=EN-US>WGS-84</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>坐标是经纬度和高程这一种，北京</span><span lang=EN-US>54</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>坐标是平面坐标和高程着一种。</span><span lang=EN-US><span
style='mso-tab-count:1'> </span></span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>现在，再搞清楚转换的严密性问题，在同一个椭球里的转换都是严密的，而在不同的椭球之间的转换这时不严密的。举个例子，在</span><span
lang=EN-US>WGS-84</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>坐标和北京</span><span lang=EN-US>54</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>坐标之间是不存在一套转换参数可以全国通用的，在每个地方会不一样，因为它们是两个不同的椭球基准。</span></p>
<p class=MsoNormal style='text-indent:21.0pt'><span style='font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>那么，两个椭球间的坐标转换应该是怎样的呢？一般而言比较严密的是用七参数法，即</span><span
lang=EN-US>X</span><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>平移，</span><span lang=EN-US>Y</span><span
style='font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>平移，</span><span lang=EN-US>Z</span><span style='font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>平移，</span><span
lang=EN-US>X</span><span style='font-family:宋体;mso-ascii-font-family:"Times N
坐标转换与经纬度转换工具
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cn.cod 348B
经纬度与XY转换.exe 27KB 坐标转换问题.htm 60KB COORD.exe 120KB 南海七参数转换.cod 578B 南海七参数反算.cod 563B 北京54 114度带换117度带.cod 552B
坐标转换问题.files 
image003.jpg 80KB image013.jpg 53KB image010.jpg 84KB image018.jpg 34KB
image007.gif 12KB 佛山坐标.JPG 84KB image006.gif 6KB image003.gif 10KB filelist.xml 784B 投影设置.JPG 44KB image008.jpg 45KB image005.jpg 44KB image004.gif 8KB image002.gif 73B image017.gif 18KB Thumbs.db 124KB 转换参数.JPG 34KB image005.gif 8KB 三参数计算.JPG 44KB image020.gif 12KB image014.jpg 44KB image010.gif 12KB 新建坐标转换.JPG 80KB 北京54.JPG 86KB 地方坐标转换.JPG 49KB image019.gif 7KB image008.gif 13KB image006.jpg 34KB 四参数计算.JPG 45KB image009.jpg 49KB image004.jpg 44KB image012.jpg 64KB image016.gif 8KB image001.gif 5KB image015.jpg 122KB image009.gif 8KB image011.jpg 88KB image007.jpg 86KB资源评论
zonuan2011-10-24经纬度与xy转换的软件用不了
skyboxgogo2011-12-15经纬度转换，不能用。在win2003系统下，打开，有错误。- raoxing012011-10-18这个资源还行，如果有源代码的话，就非常好了。
- llzhouhappy992012-08-29软件是很好，只是转出来的经纬度是东经西经还是南纬北纬啊，这个怎么区分啊
- liuweiwei1112013-08-01很实用的经纬度转换工具。
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