Re: unsetting an attribute without deleting a resource

Hi James,

I *think* the error message seems to indicate that you are calling a
streamline function and not gsn_csm_contour_map_overlay. Can you
double-check this?

--Mary

On Thu, 11 Oct 2007, James F Drake wrote:

> How can I set contour attributes with gsn_csm_contour_map_overlay? I try
> to set them on the first and second resource arguments with:
> res_at_cnLevelSelectionMode = "AutomaticLevels"
> res_at_cnLevelSpacingF = 2.0 ; contour interval
> ...
> res1 = True
> res1_at_cnLevelSelectionMode = "ExplicitLevels"
>
> But get the warnings
>
> warning:cnLevelSelectionMode is not a valid resource in conq2_stream at
> this time
> warning:cnLevelSpacingF is not a valid resource in conq2_stream at this
> time
>
> The plot that gets drawn is missing the contours as well as a coastline.
>
> What's the matter and is there any way I could figure this out on my own?
>
> James F. Drake
> Mission Data Exploitation
> Meteorological Satellite Systems
> The Aerospace Corporation
> HQ/AFWA
> 106 Peacekeeper Dr., Ste. 2N3
> Offutt AFB, NE 68113-4039
>
> Phone: 402-292-1274
> Fax: 402-291-3137
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Received on Thu Oct 11 2007 - 15:12:17 MDT