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Image:Logarithmic spiral.png

This graph of a logarithmic spiral was produced using the gnuplot program with input

# Output to png file:
set terminal png small color; set output "logarithmic_spiral.png"

# Same scale for both axes, half-size output:
set size ratio -1 0.5, 0.5

# Axes in the center, no tick marks:
set zeroaxis; set noxtics; set noytics; set noborder

# set title "Logarithmic spiral (pitch 10 degrees)"

# More sample points to produce smoother picture:
set samples 170

set polar;
plot [-4*pi:4*pi] [-8:10] [-8:6] 1.19**t notitle

I've removed the title, and used an image caption instead - Egil 07:03 May 5, 2003 (UTC)

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