全部博文(51)
发布时间:2015-07-30 11:25:13
判断点在多边行内算法:
一:算法
原文网址
http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html
算法核心:I run a semi-infinite ray horizontally (increasing x, fixed y) out from the test point, and count how many edges it crosses.(待测点为.........【阅读全文】
发布时间:2015-07-20 16:47:28
<span style="color:#333333;font-family:Helvetica, Tahoma, Arial, sans-serif;font-size:14px;white-space:normal;background-color:#F5F5F5;">问题:<br /><br />在WindowsXP下安装完OpenSceneGraph后,键入"osgviewer cow.osg",提示:Windows Error #127:[Screen #0]chooseMatching PixelF.........【阅读全文】