| Re: an envi question- extracting the pixel values of seveal points with lat-lon values [message #51007] |
Wed, 01 November 2006 07:44  |
gis_learner
Messages: 7
Registered: September 2006
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Junior Member |
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Dear All,
Thank you very much. For all. I did not want to cause a
problem...Anyway I did..
Jeff is righ that the field gathered point data is in lat long...
Jean is also right that the images daily... Sometimes hourly...
Now may I ask what to do? :)
jeffnettles4870@gmail.com wrote:
> Oh yeah, forgot to include that part :) And I also should've included
> that, since the original poster's data are in lat/lon values, a call to
> ENVI_CONVERT_PROJECTION_COORDINATES might also be in order.
>
> Jeff
>
>
> Jean H. wrote:
>> I think 'gis_learner' wanted the value on the different images.... not
>> only the coordinate of the point. So once the image is opened and the XY
>> coordinated obtained, I would go for ENVI_GET_DATA ... you can loop
>> through your points, setting DIMS accordingly.
>>
>> Jean
>>
>> PS: and the whole code remains small :-)
>>
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