Re: EVF in Lat/Lon projection shifted when overlaying to other images

Jenny wrote:
> Hi, I created a polyline vector in Lat/Lon coordinates with
> create_new_evf_file as shown in the example in ENVI. However, when I
> apply this evf to images in other projections (not lat/lon), the
> location shifted.

what is the shift? a few meters? kilometers? thousands km?
Have you used the proper datum in your long/lat? Are you sure the 
coordinates are around -52 to -130 (Canada) and not +52 to +130..

Jean
PS: is there a big team at EC working with IDL and Envi??? ... I would 
definitely be interested!!!


  I'm wondering is it possible to create a vector file
> and apply it to different projected images? I thought it must be
> possible, but don't know why it doesn't work. Can you give me a hint?
> what projection should I use to create the EVF file? or what could be
> the problem?
> 
> Thank you in advance,
> Jenny