comp.lang.idl-pvwave archive: archive » display GeoTIFF image automatically using cgGeoMap

Home » Public Forums » archive » display GeoTIFF image automatically using cgGeoMap

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

Re: display GeoTIFF image automatically using cgGeoMap [message #93716 is a reply to message #93700]

Tue, 04 October 2016 06:36

Libo Wang
Messages: 6
Registered: October 2009

Junior Member

On Monday, October 3, 2016 at 9:53:02 PM UTC-4, wlandsman wrote:
> 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
>>
>> Thanks! Wayne. You're right. We just moved to a new server, I thought the library was all set but it didn't!

Jenny

>> 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

Report message to a moderator

[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

Previous Topic:	I would like to average the first n columns based on duplicate values of the n+1th column
Next Topic:	IDL new graphics memory leak?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 17:53:06 PDT 2025

Total time taken to generate the page: 0.00383 seconds