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Overlaying vector files on multiple HDF files in IDL [message #57784]

Sun, 30 December 2007 04:44

vinpan
Messages: 1
Registered: December 2007

Junior Member

Hi All,

I am new to IDL programming, not sure if this question is relevant
here.
I have more than 100 hdf file of same dimention/area and I have a
vector file (.evf) that I need to overlay on each hdf file and subset
them to new set of images. I need to write IDL program for this.

I could do this in ENVI 'for one image' with following steps,
1. open hdf file and load band.
2. overlay vectors.. open vector file.. double click on first table
item.
3.export active layer t ROI. + convert all records of an EVI to one
ROI.
4.finally, Basic tools -> subset via RIOs.

But could not understand how to carryout these steps in IDL

Could anybody guide me?

Thanks in advance.
-vinpan

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