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w2u(p1)
Converts point p1 expressed in the WCS to the current UCS.
You can use
w2u
to find the WCS origin in terms of the current UCS:
w2u([0,0,0])
Filtering the X, Y, and Z Components of a Point or Vector
The following functions filter the X, Y, and Z components of a point or vector.
Point-filter functions
Description
Function
X and Y components of a point; Z component is set to 0.0
xyof(p1)
X and Z components of a point; Y component is set to 0.0
xzof(p1)
Y and Z components of a point; X component is set to 0.0
yzof(p1)
X component of a point; Y and Z components are set to 0.0
xof(p1)
Y component of a point; X and Z components are set to 0.0
yof(p1)
Z component of a point; X and Y components are set to 0.0
zof(p1)
X component of a point
rxof(p1)
Y component of a point
ryof(p1)
Z component of a point
rzof(p1)
The following example provides the Z component of a point expressed in
spherical coordinates:
zof([2<45<45])
The following example provides a point whose X and Y coordinate values are
taken from point a and the Z coordinate value from point b:
xyof(a)+zof(b)
Calculate a Point on a Line
The
plt
and
pld
functions return a point on a given line. You can specify the
position of the point on the line either by its distance from the first point or
parametrically by a t parameter.
Calculate a Point on a Line | 199
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