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Re: display GeoTIFF image automatically using cgGeoMap [message #93700 is a reply to message #93698]

Mon, 03 October 2016 18:52

wlandsman
Messages: 743
Registered: June 2000

Senior Member

That is the syntax error one gets when IDL doesn't know about a function, i.e. the function is not in your !path or in the current directory. Are you sure you have the Coyote library in your !PATH ? What happens when you type

IDL> print,file_which('cggeomap.pro')

-- Wayne

On Monday, October 3, 2016 at 3:10:40 PM UTC-4, Jenny wrote:
> Hi all,
>
> I just found out that David has added some nice routines to display a GeoTIFF easily. So I thought I could just copy over his example lines at the end of this link and give a try: http://www.idlcoyote.com/map_tips/tiffoverlay.html,
>
> filename = 'AF03sep15b.n16-VIg.tif'
> cgDisplay, 500, 500, WID=5, Title='Outline cgMap Object', $
> XPOS=50, YPOS=50
> alberMap = cgGeoMap(filename, IMAGE=tiffImage, /OnImage)
> scaled = BytScl(tiffImage, Top=253)+1
> index = Where(scaled EQ 1)
> scaled[index] = 0B
> TVLCT, cgColor('ivory', /Triple), 0
> cgLoadCT, 33, NColors=253, Bottom=1
> cgImage, scaled, POSITION=pos, /KEEP_ASPECT
>
>
> However,I got the following syntax errors when compile:
> alberMap = cgGeoMap(filename, IMAGE=tiffImage, /OnImage)
> ^
> % Syntax error.
>
> This is probably quite obvious to you, but I have never used Object graphics in IDL before. Can somebody point out why I get the syntax error?
>
> Thanks in advance!
> Jenny

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[Message index]

		display GeoTIFF image automatically using cgGeoMap By: Libo Wang on Mon, 03 October 2016 12:10
		Re: display GeoTIFF image automatically using cgGeoMap By: wlandsman on Mon, 03 October 2016 18:52
		Re: display GeoTIFF image automatically using cgGeoMap By: Libo Wang on Tue, 04 October 2016 06:36

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