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Nate Vack njvack

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njvack / convert_db_to_utf8.rb
Created July 30, 2013 13:57
#!/usr/bin/env ruby
require 'rubygems'
require 'mysql2'
Mysql2::Client.default_query_options.merge!(:as => :array)
conn = Mysql2::Client.new(:host => 'localhost', :username => 'user',
:password => 'pw', :database => 'db')
tables = conn.query("SHOW TABLES").map {|row| row[0] }
@njvack
njvack / catmullrom2bezier.js
Created October 10, 2013 21:01
A routine to compute the cubic Bézier spline parameters to fit a curve to points, using the Catmull-Rom algorithm.
//************************************************
//
// Catmull-Rom Spline to Bezier Spline Converter
//
//
// This is an experimental extension of the SVG 'path' element syntax to
// allow Catmull-Rom splines, which differs from Bézier curves in that all
// defined points on a Catmull-Rom spline are on the path itself.
//
// This is intended to serve as a proof-of-concept toward inclusion of a
@njvack
njvack / index.html
Last active August 29, 2015 13:56
<!DOCTYPE html>
<html>
<head>
<title>Circley</title>
<style type="text/css">
body {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
width: 960px;
height: 500px;
position: relative;
@njvack
njvack / mask_scramble.py
Created March 6, 2014 19:12
A script to randomize the pixels in an image, so long as they're within a mask.
#!/usr/bin/env python
import sys
import argparse
from PIL import Image
import numpy as np
def scramble_ary(img_ar, mask_ar):
"""
@njvack
njvack / convert_tarred_dicoms
Last active August 29, 2015 13:57
A wrapper to allow Freesurfer's mri_convert to work on a tarball of dicoms.
#!/bin/bash
in_file="$1"
out_file="$2"
out_base=$(dirname "${out_file}")
tmp_dir=$(mktemp -d -p "${out_base}")
if [ $? -ne 0 ]; then
echo "Can't make a temporary directory in ${out_base}" >&2
@njvack
njvack / seba-vid-extend.rb
Last active August 29, 2015 13:57
#!/usr/bin/env ruby
require 'tmpdir'
require 'fileutils'
fix_file = ARGV[0]
vid_file = ARGV[1]
out_file = ARGV[2]
FIXATION_FRAMES=10
VID_FRAMES=25
@njvack
njvack / link_tree
Last active August 29, 2015 14:00
Make symlinks from a directory's file structure out on the filesystem
@njvack
njvack / upload_gating_files
Created May 23, 2014 20:07
Upload gating files from a GE MRI scanner
#!/bin/bash
GATING_DIR=${GATING_DIR:-/usr/g/service/log/gating}
DEST_BASE=${DEST_BASE:-/mri-upload/ge_physio}
MAX_AGE_MINUTES=${3:-120}
study=$1
ppt=$2
if [[ "${study}" == "" ]] || [[ "${ppt}" == "" ]] || [[ "${study}" == "-h" ]]; then
@njvack
njvack / coins_login.rb
Created June 23, 2014 21:08
A little Ruby Mechanize script to force logging in to Coins. The web standards, they have not been followed at all.
#!/usr/bin/env ruby
require 'mechanize'
require 'pp'
def coins_login(agent, username, password)
page = agent.get "https://chronus.mrn.org/cas/login.php?rp=https%3A%2F%2Fchronus.mrn.org%2Fmicis%2Findex.php%3Fsubsite%3Dasmt"
uname_match = page.body.match /name="([^"]+)" placeholder="Username/
uname_field = uname_match[1]
pw_match = page.body.match /name="([^"]+)" placeholder="Pa\$\$w0rd/
@njvack
njvack / index.html
Last active February 20, 2019 14:45 — forked from mbostock/.block
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.node {
font: 300 11px "Helvetica Neue", Helvetica, Arial, sans-serif;
fill: #bbb;
}
.node:hover {