comp.lang.idl-pvwave archive: archive » Irregular data... IDLgrContour vs. contour

Home » Public Forums » archive » Irregular data... IDLgrContour vs. contour

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Irregular data... IDLgrContour vs. contour [message #43193 is a reply to message #43100]

Wed, 16 March 2005 12:46

Mark Hadfield
Messages: 783
Registered: May 1995

Senior Member

jamiesmyth_uni@yahoo.ca wrote:
> Hi all,
>
> I'm a little stuck using IDLgrContour with irregular data. In direct
> graphics I would simply type:
>
> contour, zdata, xdata, ydata, /irregular, yrange=[0,60], nlevels=8
>
> where:
>
> XDATA FLOAT = Array[113]
> YDATA DOUBLE = Array[113]
> ZDATA DOUBLE = Array[113]
>
> Of course, IDLgrContour doesn't accept the /irregular keyword... must I
> grid the data myself?

Have you tried passing the irregular data to IDLgrContour without the
keyword? I expect this should work (but don't recall ever trying it
myself) because the IDLgrContour documentation states that it accepts
1-D vectors for DATA_VALUES, GEOMX and GEOMY.

> If so, can anyone point me to a good gridding
> routine?

GRIDDATA

--
Mark Hadfield "Ka puwaha te tai nei, Hoea tatou"
m.hadfield@niwa.co.nz
National Institute for Water and Atmospheric Research (NIWA)

Report message to a moderator

[Message index]

		Irregular data... IDLgrContour vs. contour By: jamiesmyth_uni@yahoo. on Wed, 16 March 2005 07:31
		Re: Irregular data... IDLgrContour vs. contour By: Paul Selby on Wed, 16 March 2005 13:57
		Re: Irregular data... IDLgrContour vs. contour By: Mark Hadfield on Wed, 16 March 2005 12:46

Previous Topic:	Get X and Y (sample,line) of an ENVI ROI
Next Topic:	Widget_Table specifying Days_of_Week or Months

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Dec 06 03:32:04 PST 2025

Total time taken to generate the page: 0.83888 seconds