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star identification

Project description

references, about

sky generates a three-dimensional sky model and two-dimensional images from the nasa skymap star catalog, finds stars near arbitrary points on the sky

star triangles recurrently sets aside stars that disagree geometrically until one remains

star patterns are relatively sensitive to rotation

star sequences can be less sensitive to rotation

star languages writes sentences about star patterns using a geometrical language and translates into an identifier language

in ubuntu, install or upgrade os-level dependencies

sudo apt-get -qq update -qy
sudo apt-get -qq install -y python3.6 python3-venv python3-pip
sudo apt-get -qq install -y cmake
sudo apt-get -qq install -y libeigen3-dev

clone the git project, start a virtual environment, install the package, and test

git clone starid
cd starid
python3 -m venv venv
. venv/bin/activate (same as source venv/bin/activate)
python3 install
python3 starid --wsky (preps the nasa skymap catalog)
python3 starid -t (generates and plots a star image using the nasa skymap catalog)

usage hints

~/starid$ starid -h
usage: starid [-h] [-t] [--cat CAT] [--sky SKY] [--starpairs PAIRS] [--rsky]
              [--wsky] [--rstarpairs] [--wstarpairs]

optional arguments:
  -h, --help         show this help message and exit
  -t, --test         show test image
  --cat CAT          filename for skymap text file
  --sky SKY          filename for sky binary file
  --starpairs PAIRS  filename for starpairs binary file
  --rsky             read sky binary file
  --wsky             write sky binary file
  --rstarpairs       read starpairs binary file
  --wstarpairs       write starpairs binary file

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