名称 

说明 

 

asVector 

用同样坐标设置转换3D点为3D矢量 

 

convert2d 

把3d变成2d点返回 

 

convertXYPlanar2d 

把3d点变成XY平面的点返回 

 

distanceTo 

求两个点距离 

 

isEqualTo 

判断两个点是否相对 

 

mirror 

相对于pln平面镜向该点 

 

orthoProject 

This is orthoProject, a member of class McGePoint3d. 

 

project 

This is project, a member of class McGePoint3d. 

 

rotateBy 

该点是绕向量vec,以wrtPoint为基点逆时针旋转ang角度。 

 

scaleBy 

以wrtPoint原点，scaleFactor缩放该点 

 

set 

set 方法 有多种定义，点击查看. 

 

setToProduct 

设置该点等于矩阵mat 和点pnt的乘积的点。乘法公式为mat*pnt 

 

setToSum 

This is setToSum, a member of class McGePoint3d. 

 

transformBy 

使用矩阵变换该点。结果和setToProduct(leftSide, *this)