[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: filled closed curve



Jochen Weller wrote:
> 
> Hello
> 
> I am relatively new to IDL and have the following question.
> 
> I have a data file which contains the x and y coordinate of a closed
> curve. I would like to shade the area inside the curve with a different
> color.
> Does anybody know how to do this ?

Is this what you are looking for...

;; Color 0=black, 1=gray, 2=white
 tvlct, [0,130,255], [0,130,255], [0,130,255]
 !p.background=2  ;; white background
 contour, dist(30), levels=[10, 20, 30]
 contour, dist(30), levels=[0,20,30], c_color=[1,0], /over, /fill 



Andrew Loughe =====================================================
NOAA/OAR/FSL/AD   R/FS5  |  email: loughe@fsl.noaa.gov
325 Broadway             |  wwweb: www-ad.fsl.noaa.gov/users/loughe
Boulder, CO  80305-3328  |  phone: 303-497-6211   fax: 303-497-6301