曲面的命令.docx
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曲面的命令
第六章曲面的命令
——感谢虚拟样机技术论坛提供,无维论坛TomLee整理
作者:
sea_heart
关键词:
Geomagic8.0,逆向,曲面
来源:
无维网()
DefinitionofPanels,Patches,andGrids
Apanelisanareaoflowcurvature,demarcatedbyorangecontourlinesthattracethehighestangularityonasurface.Anobjectwillbesubdividedintoanumberofpanels.
Apatchisafour-sidedsubdivisionofapanelthatisapproximatelyequilateral.Thepatchesthatcompriseapanelmaydifferinsize.Patchesarethecontainersforgrids.
Acontourpatchisaspecialelongatedpatchthatliesonanareaofhighcurvature.Acontourpatchisspecialinthatitdoesnotliveinapanel.Likearegularpatch,acontourpatchisacontainerforgrids.
Agridisanm-by-nsetofrectanglesthatisplacedintoeachpatch.Thevaluesofmandnandthesizeofthepatchcontributetotheultimatedensityofthegrid.(Ifapatchisrelativelylarge,agridofm-by-nappearstobesparse.Ifapatchisrelativelysmall,agridofm-by-nappearstobedense.)Insomecases,mandnareequal.
Thegrid,inturn,contributestotheprecisionoftheultimateNURBSsurface.Therefore,thedensityofthegridandthesizeofthepatchcontributetotheprecisionoftheNURBSsurface.
1¡¢Patches>Shuffle>Panels,选择所要编辑的面板,即在所要编辑的面板内任点一点,动作在Define(定义)上类型在Grid(网格)上
3、观察面板各边面片的数量,如下图所圈12与16是需要编辑的