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{alias:ctp}
h2. Name

ctp — Cut polydata or grid with a plane

h2. Syntax
{panel:|borderStyle=solid|borderWidth=1|bgColor=#FFFFAA}

*ctp* \[*x | y | z* _axisvalue_] \[*nor*] \[*cen*] \[*ref*] \[*cur*] \[*scaoff*] \[*scaon*] \[*clean*] \[*ncs*] 

{panel}

h2. Description

Will produce a cutline from a grid or polydata set.

h2. Arguments

*x | y | z* _axisvalue_ 
{indent}Cut with a plane crossing *x | y | z* axis.{indent} 
*nor* _n1 n2 n3_ 
{indent}Cut with plane having normals _n1 n2 n3_.{indent} 
*cen* _xcen ycen zcen_ 
{indent}Put the plane center in _xcen ycen zcen_. {indent}
*ref* 
{indent}Cut through the reference point.{indent} 
*cur* 
{indent}Cut through the cursor position.{indent} 
*scaon* 
{indent}Generation of cut scalars.{indent} 
*scaoff* 
{indent}No generation of cut scalars.{indent} 
*clean* _tolerance_ 
{indent}Set a clean tolerance for clipping.{indent} 
*ncs* 
{indent}Bypass cleaning and stripping in the clipping algorithm.{indent} 

h2. Examples

h3. Ex.1: Cutting a grid crossing x axis

{noformat:|borderWidth=1|bgColor=#eeeeee}
        win demo          ;# Get demo window (450000 460000 6450000 6460000 1000 4000)
        spe bgc whi       ;# Specify background color to white
        mak ran 11        ;# Make 11 random points
        grp 222 222       ;# Make grid of dimension 222 x 222
        map               ;# Map the grid
        ctp x 453000      ;# Cut the grid crossing x axis at 453000
        col bla           ;# Black color
        pol 2             ;# Draw cut line with line width 2
{noformat}

The above example produces this image. 

!att:_img_ref^cmd_ctp.png!
_Generating cut line in a grid_

h2. See also

[clip - Clip with closed line], [cut - Cut grid data], [ref - Reference point], [gen - Generate grid], [pla - Plane generation], [zap - Zap (or snap) to data] 
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