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Name
cur — Draw a spline curve
Syntax
cur [size | lin] [sav] [num] [nodraw]
Description
Display a line dataset by generating a spline tube or line through the points.
Arguments
size
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size is a real number determining the thickness of the tube, relative to 1.
lin
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Draw the spline as a line instead of a tube.
nodraw
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Just generate, do not display the spline. Use together with sav.
num number
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The integer number gives number of points in the spline.
sav
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Save the spline points in active.
Examples
Ex.1: Draw a curve through data points
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
The above example produces this image.
Spline curve
See also
bsp - B spline visualization, mak lin dis , spl - Spline generation, tub - Tube generation
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