rogerallen

This examples demonstrates how to use D3's brush component to implement focus + context zooming. Click and drag in the small chart below to pan or zoom.

Modified from Mbostock's original to use SVG transform/scale instead of re-deriving the area chart. Seems to be much faster in larger datasets.

rogerallen

var camera, scene, renderer, geometry, material, mesh;
var geometry2, material2, mesh2;
var frame;

init();
animate();

function init() {
    frame = 0;
    scene = new THREE.Scene();

rogerallen

Archive the code for https://twitter.com/tweegeemee.

rogerallen

Archive of the code for images posted to https://twitter.com/tweegeemee

Learn more at https://github.com/rogerallen/tweegeemee

rogerallen

Archive of the code for images posted to https://twitter.com/tweegeemee

Learn more at https://github.com/rogerallen/tweegeemee

rogerallen

# Roger's Utility Functions for R
#
# source("Documents/Devel/R/utils.R")
#
isMac <- function()
{
  x <- Sys.info()[1]=="Darwin"
  x
}

rogerallen

;; providing this for https://github.com/clojurebook/ClojureProgramming/issues/7

;; I just copy-pasted the relevant code from
;; https://github.com/clojurebook/ClojureProgramming/blob/master/ch03-collections-repl-interactions.clj

;; there were a couple changes.  see comments below...

(defn maze 
  "Returns a random maze carved out of walls; walls is a set of
   2-item sets #{a b} where a and b are locations.

rogerallen

;;
;; http://www.pangloss.com/seidel/shake_rule.html
;; Shakespeare Insult Kit
;; 
;; Combine one word from each of the three columns below, prefaced with "Thou":
;; 

(defn split [s]
  (.split s "[ \t\r\n]+"))

rogerallen

(ns explore_overtone.diffeq)

;; we start with a differential equation:
;;
;; tempo = f(beat) or dx/dt = bps-fn(x)
;;
;; Solving the diff eq via separable eq. gives: (thanks to Tony Grabowski for his help)
;;
;; dt = dx/bps-fn(x) so t = Integrate 1/bps-fn(x) dt or Integrate spb-fn(x) dt
;;  t = log(b + mx) / m - log(b)  (since we set t = 0 at x = 0)

rogerallen

;; one chord progression to rule them all
;; The I - V - vi - IV (or C - G - Am - F)
;;             iii?
;; Am            F            C            G
;; C            G            Am            F
;; G            D            Em            C
;; D            A            Bm            G
;; A            E            F#m            D
;; E            B            C#m            A
(ctl g :pre-amp 4.0 :distort 0.2