📄 gslib help ellipsim.htm
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<HTML><HEAD><TITLE>GSLIB Help: ELLIPSIM</TITLE>
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<H2>GSLIB Help Page: ELLIPSIM</H2></CENTER>
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<DT><IMG height=14 alt=o src="GSLIB Help ELLIPSIM.files/ball.red.gif"
width=14> <STRONG>Description:</STRONG>
<UL>
<LI>This program provides a very simple example of Boolean simulation:
ellipsoids of various sizes and anisotropies are dropped at random until a
target proportion of points within-ellipse is met. The ellipsoids are
allowed to overlap each other. </LI></UL>
<DT><IMG height=14 alt=o src="GSLIB Help ELLIPSIM.files/ball.red.gif"
width=14> <STRONG>Parameters:</STRONG>
<UL>
<LI><B>outfl:</B> the simulated realizations are written to this file. The
output file will contain the unconditional simulated indicator values (1 if
in an ellipse, zero otherwise) cycling fastest on <I>x</I> then <I>y</I>,
then <I>z</I>, and then simulation by simulation.
<LI><B>nsim:</B> the number of simulations to generate.
<LI><B>nx, xsiz:</B> definition of the grid system (<I>x</I> axis).
<LI><B>ny, ysiz:</B> definition of the grid system (<I>y</I> axis).
<LI><B>nz, zsiz:</B> definition of the grid system (<I>y</I> axis).
<LI><B>seed:</B> random number seed (a large odd integer).
<LI><B>targprop:</B> the target proportion of ellipse volume.
<LI>For the different types of ellipsoids to be added: <B>radiusx, radiusy,
radiusz, angle1, angle2, angle3,</B> and <B>weight</B> specify the ellipsoid
size, orientation, and relative proportion (counting). A short description
of the program </LI></UL></DT></DL><IMG height=8 alt=---
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