ISS Titan grid using Vapory

Create a geographic grid of Titan (Saturn's moon) seen by the ISS camera (WAC or NAC) for a specific geometry.

Usage:

python titan_grid.py filename SC_lat SC_lon SS_lat SS_lon dist north [NAC|WAC]

Example:

python titan_grid.py Test_img.png 30 45 10 60 1.5e6 30

Output:

Warning

The longitude are given as WEST longitudes.

Notes

• The NAC/WAC parameter is optinal, NAC is selected by default.
• The image is centerd on Titan ([512.5,512.5] in pixel frame). You need to shift the image according to the real position of Titan on the sensor.

BugFix

The vapory package in pip is not up-to-date. You need in install it from the source code:

pip uninstall vapory # If previously installed
git clone https://github.com/Zulko/vapory.git
cd vapory
python setup.py install

Requirements:

• PovRay
• Vapory
• Numpy