Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: Migrated to Confluence 5.3

...

Name

cur — Draw a spline curve

Syntax

Panel
bgColor#FFFFAA
borderWidth1
borderStylesolid

cur [size | lin] [num] [sav]

Description

Display a line dataset by generating a spline tube or line through the points.

Arguments

size

size is a real number determining the thickness of the tube, relative to 1.

lin

Draw the spline as a line instead of a tube.

num number

The integer number gives number of points in the spline.

sav [nodraw]

Save the spline points in active. nodraw: Just generate, do not display the spline.

Examples

Ex.1: Draw a curve through data points

No Format
bgColor#eeeeee
borderWidth1
win demo          ;# Get demo window (450000 460000 6450000 6460000 1000 4000)
    
   spe bgc whi       ;# Specify background color to white
   
    mak ran 7         ;# Make 7 random points
        poi 2             ;# Display the points with size 2
  
     cur 2             ;# Draw a spline curve with size 2
{noformat}

The

...

above

...

example

...

produces

...

this

...

image.

Image Added
Spline curve

See also

bsp - B spline visualization, mak lin dis , spl - Spline generation, tub - Tube generation