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README.md

Command Line Graphics

@jonkeegan | jonkeegan@gmail.com

Slides from my talk "Command Line Graphics" at NICAR: http://bit.ly/clgfx-nicar17

@jonkeegan

requirements

brew install node
brew install imagemagick
brew install ffmpeg
brew install exif
brew install coreutils
brew install python
pip install csvkit

Pillbox demo: Exporting histograms, sorting by hue, saturation and value

Download the data and the pill photos

You can get the raw data from here: http://pillbox.nlm.nih.gov/developer.html

wget http://pillbox.nlm.nih.gov/downloads/mysql_create_engine_data_20150511.txt
wget https://pillbox.nlm.nih.gov/downloads/pillbox_201605.txt
wget http://pillbox.nlm.nih.gov/downloads/pillbox_color_lookup.csv
wget http://pillbox.nlm.nih.gov/downloads/pillbox_DEA_lookup.csv
wget http://pillbox.nlm.nih.gov/downloads/pillbox_shape_lookup.csv
wget http://pillbox.nlm.nih.gov/downloads/pillbox_production_images_full_20140224.zip
wget http://pillbox.nlm.nih.gov/downloads/pillbox_production_images_update_20150511.zip

Setup database

In data.php you must enter your database name. It's set up assuming you are using MAMP, with a local MySQL server.

Just use the mysql_create_engine_data_20150511.txt file to setup the database. I renamed the table pillbox.

Place all of the pill photos into pill_images.

Process images

node analyze_pills.js > im_commands.sh
sh im_commands.sh
node build_sorted_list.js > jumbo_with_dom_sat.json

Sample data call

All "BLUE" pills: data.php?filter=splcolor_new&value=C48333

All round shapes: data.php?filter=splshape_new&value=C48348

Use node to extract EXIF metadata form images

The parse_exif.js node script will loop through the samples/ directory, and extract the EXIF metadta, and console.log out the metadata for each image in one JSON object.

node parse_exif.js > photo_metadata.json

About

The slides and code from my NICAR talk.

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