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Hi June... Thank you so much....

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Thnk you June. The datum and ellipse will be the same though right??? D_Moon_2000.

This image below is the kind of image I am expecting as the final output when I add the images or put them together as output.

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14 hours ago, June Wang said:

Hi Aravind Bharathvaj,
I am not quite sure what kind of help you need. If you are looking for a projection string to be written in the 'map_proj.txt' file in ENVI as talked in the above blog. For the lunar farside orthographic projection centered at 180° longitude and 0° latitude, the projection string is listed below.
14, 1737400.0, 0.0, 180.0, 0., 0., Sample Lunar Orthographic

As listed in the top of the 'map_proj.txt' file
- 14 represent a ID for Orthographic projection,
- 1737400.0 is the radius R for Moon,
- the rest of 4 numbers are projection center lat0 and center lon0, and the center (x0, y0) of the projected map
- the last is the user defined customized projection name

Feel free to contact us if this is not what you want. Thanks,

June

Thank you so much June....

This is exactly what I wanted... So I assume, to near side, i replace 180.0, 0.0 to 0.0, 0.0??? otherwise all the same?

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Dear June,

I am trying to make global scale representation of some mineral maps we have processed here in our lab. For that, we need to project the image and represent it in orthographic Near side and orthographic far side. Like the one available in LORC quick map projections. Can you help? Similar projections have been dispayed in many instances of Water discovery, moon mineralogy etc.