bmander

// how to center the screen in processing. I have the hardest time remembering, much less intuiting, this:

size( 200, 200 );

int l = 0;
int b = 70;
int r = 500;
int t = 700;

float xres = width/float(r-l);

bmander

// I, Brandon Martin-Anderson, release this into the public domain.
// Do whatever you want with it.

// A simple app for learning how scale() and translate() work.
// Left click and drag to scale.
// Right click and drag to translate.
// Spacebar to switch to between translate-first, and scale-first.

float xscale=1;
float yscale=1;

bmander

import java.awt.event.*;  

class Path {
  ArrayList points;
  Path() {
    points = new ArrayList();
  }
  
  void add(float x, float y) {
    this.points.add( new PVector( x, y ) );

bmander

class Landcover {
  color DEVELOPED_HIGH = -5636096;
  color DEVELOPED_MEDIUM = -917504;
  color DEVELOPED_LOW = -2385534;
  color DEVELOPED_OPEN = -2044724;
  color SHRUB = -3032446;
  color FOREST_EVERGREEN = -14916045;
  color FOREST_MIXED = -4535151;
  color FOREST_DECIDUOUS = -9721242;
  color WETLAND_WOODY = -4531987;

bmander

import urllib
import json

URL = "http://www.car2go.com/portal/sandiego/page/mybookings/mapEnlarged.faces"
KEY = "ptvMap.data = "

def grab_sandiego_vehicles():
    #get site HTML
    fp = urllib.urlopen( URL )
    sitestr = fp.read()

bmander

class PixelBuffer {
  Color[][] colors;
  int width;
  int height;
  
  PixelBuffer(int width, int height) {
    this.colors = new Color[width][height];
    this.width=width;
    this.height=height;
  }

bmander

//print biohazard symbol, at http://fab.cba.mit.edu/classes/S62.12/people/martinanderson.brandon/solver2.html

function makecircle(r){
  return function(x,y){
    return Math.pow(x,2) + Math.pow(y,2) < Math.pow(r,2);
  }
}

function translate(tx, ty, func){
  return function(x,y){

bmander

function sqrt(a){
  return Math.pow(a,0.5);
}

function sq(a){
  return Math.pow(a,2);
}

function rotate(theta, func){
  return function(x,y){

bmander

function makerectangle(left,right,bottom,top){
  return function(x,y){
    return (x>left && x<right && y > bottom && y < top)
  }
}

function makecircle(cx,cy,r){
  return function(x,y){
    return Math.pow(x-cx,2)+Math.pow(y-cy,2)<Math.pow(r,2)
  }

bmander

function translate(tx, ty, func){
 return function(x,y){
   var xprime = x-tx;
   var yprime = y-ty;

   return func(xprime,yprime);
 }
}

function dist(x,y){