comp.lang.idl-pvwave archive: archive » Re: envi_get_roi

Home » Public Forums » archive » Re: envi_get_roi_data

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

Re: envi_get_roi_data [message #62223 is a reply to message #62221]

Sat, 30 August 2008 13:46

jeffnettles4870
Messages: 111
Registered: October 2006

Senior Member

On Aug 30, 3:06 am, "skymaxw...@gmail.com" <skymaxw...@gmail.com>
wrote:
> Good day
>
> i did excercise from ENVI Programming documentation with ROI. from
> ENVI i create 4 different ROIs.
> then i use ENVI_GET_ROI_DATA function i get values of my ROI pixels, i
> printed it
> for check i use ENVI and use cursor/location option....
>
> why values are different ? does ENVI_GET_ROI_DATA use some
> interpolation algorithm?

Did you check to make sure you were handling your indices the right
way? ENVI routines like ENVI_GET_ROI_DATA will use zero-based
indices, while in the ENVI GUI (ie, the cursor location/value tool)
one-based indices are used.

Report message to a moderator

[Message index]

		Re: envi_get_roi_data By: skymaxwell@gmail.com on Sun, 31 August 2008 06:05
		Re: envi_get_roi_data By: jeffnettles4870 on Sat, 30 August 2008 13:46
		Re: envi_get_roi_data By: devin.white on Sun, 31 August 2008 08:18

Previous Topic:	envi_get_roi_data
Next Topic:	Re: Changing values of one image from ENVI

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 21:20:57 PDT 2025

Total time taken to generate the page: 1.76075 seconds