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idlgrcontour and clip_planes ? [message #65106]

Tue, 10 February 2009 11:20

ghgm2008
Messages: 17
Registered: December 2008

Junior Member

Hi there,

I am building an object contour plot. I have it working fine but the
contour 2D data is defined at locations outside of
where I want it to plot.

ie, I have a lon-lat box (basically it is the US). The box longitude
corners are [-135.,-55.] and the latitudes are [5.,85.]

I also have 2D (lon,lat) data. This contours fine - but overshoots
the edges (in longitude) because the data goes from [-150.,-50.]

so I'm trying to use the 'clip_planes' property to clip the contour
plot so it doesn't go beyond -135. (etc.)

Does this makes sense ?

Any info/advice on clipping the contours ? Is clip_planes the way to
go ? How on Earth does it work ? All I've managed to do so far
is make the contour plot disappear.

Cheers,

George.

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