📄 gslib help locmap.htm
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<HTML><HEAD><TITLE>GSLIB Help: LOCMAP</TITLE>
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<H2>GSLIB Help Page: LOCMAP</H2></CENTER>
<DL><IMG height=220 alt=picture src="GSLIB Help LOCMAP.files/locmap.jpg"
width=277 align=center>
<DT><IMG height=14 alt=o src="GSLIB Help LOCMAP.files/ball.red.gif" width=14>
<STRONG>Description:</STRONG>
<UL>
<LI>For reporting small 2-D data sets it is often convenient to plot a
location map where the magnitude of the data values are expressed with a
gray or color scale. </LI></UL>
<DT><IMG height=14 alt=o src="GSLIB Help LOCMAP.files/ball.red.gif" width=14>
<STRONG>Parameters:</STRONG>
<UL>
<LI><B>datafl:</B> the data file in a simplified Geo-EAS format.
<LI><B>icolx, icoly,</B> and <B>icolvr:</B> The columns for the <I>x</I>
variable (horizontal axis), <I>y</I> variable (vertical axis), and the
variable (for coding the color / gray scale of the symbol).
<LI><B>tmin</B> and <B>tmax:</B> all values strictly less than <B>tmin</B>
and strictly greater than <B>tmax</B> are ignored.
<LI><B>outfl:</B> file for PostScript output.
<LI><B>xmn</B> and <B>xmx:</B> the limits in the <I>x</I> direction,
<LI><B>ymn</B> and <B>ymx:</B> the limits in the <I>y</I> direction,
<LI><B>idata:</B> when data values are being posted (<B>idata</B>=0) then a
circular symbol is used; when the results of cross validation are being
posted (<B>idata</B>=1) then plus or minus signs are posted and filled in by
the absolute magnitude of the error value.
<LI><B>ilog:</B> =0 then an arithmetic scaling of the gray/color scale is
used, =1 then a logarithmic scaling (base 10) is used.
<LI><B>igray:</B> =0 then a gray scale is used, =1 then a color scale is
used.
<LI><B>ilabel:</B> =0 then no labels will be displayed, =1 then each
location will be annotated with the attribute value
<LI><B>gmin, gmax</B> and <B>ginc:</B> minimum and maximum limits for the
variable axis (gray or color scale plotting) and increment for labeling a
legend bar. These do not have to be compatible with <B>tmin</B> and
<B>tmax</B> Values that are less than <B>gmin</B> or greater than
<B>gmax</B> will appear just beyond either end of the gray/color spectrum.
<LI><B>labsiz:</B> size of the labels (0.1 is for small labels, 1 is the
default size, and 10 is for large labels)
<LI><B>title:</B> a 40-character title for the top of the plot. A short
description of the program </LI></UL></DT></DL><IMG height=8 alt=---
src="GSLIB Help LOCMAP.files/line.blue.gif" width=652>
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