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Re: Help with PLOTS [message #5836] Mon, 19 February 1996 00:00 Go to previous message
rkj is currently offline  rkj
Messages: 66
Registered: February 1996
Member
Ken Knighton (knighton@gav.gat.com) wrote:
: rkj@dukebar.crml.uab.edu (R. Kyle Justice) wrote:
: >Can anyone help with the following problem using
: >PV-Wave's PLOTS function:
: >
: >I have two arrays(xarr, yarr), one containing x and the other
: >containing y coordinates that I want to plot on top of
: >an image.
: >
: >The following command does not give me what I want and I
: >can't figure out why:
: >
: >PLOTS, [xarr,xarr], [yarr,yarr], /Device
: >


: In IDL or PV-Wave, you could use the PSYM keyword:

: PLOTS, xarr, yarr, /DEVICE, PSYM=3 ;or other symbols. see manual



: I hope this helps.

: Ken Knighton knighton@gav.gat.com knighton@cts.com
: General Atomics
: San Diego CA


Thanks Ken and Mati!

Using PSym=3 was all that I needed. And to think I wasted several
hours before posting . . . :)

When I did not use PSym, the last and first points in the arrays
were connected as was suggested. This was a problem since I
wanted to fill in part of insersecting polylines. I have
an outer contour and an inner contour and I want to fill only
the "doughnut" and not the "hole." Who knows, there is
probably a way to do this POLYFILL but I could not figure it
out. I did use POLYFILLV to get the points inside the
two overlapping boundaries.

Kyle

"In abundance of counselors there is victory." - Proverb
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