gistfile1.groovy

PShape bigMap;
PShape districtShape;
//PFont f;

import de.bezier.data.*;
XlsReader reader;

void setup() {

  //basics
  size(1000,800);
  shapeMode(CENTER);
  noStroke();
  smooth();
  
  //map import  
  bigMap = loadShape("map.svg");
  bigMap.disableStyle();

  fill(0);
  shape(bigMap,500,400);
  bigMap.disableStyle();
  fill(255);

  ////////////////
  // tax import //

  reader = new XlsReader( this, "incometax.xls" );

  reader.firstRow();

  while ( reader.hasMoreRows() ) {
  
  reader.nextRow();
        
  String stateCode = reader.getString();

  // exit loop once we reach the end of the values
  if ( stateCode.indexOf(":") != -1 ) break;    

  reader.nextCell();
  int districtNum = reader.getInt();
  String districtCode = str(districtNum);
  
  if (districtNum == 0) {
    districtCode = "At-Large";
  }
 
  //concatenate district name        
  String districtID = stateCode + " " + districtCode;
                
  reader.nextCell();        
  int taxBase = reader.getInt();

  //convert tax to rgb value
  int taxColor = taxBase / 130;
  if (taxColor < 1) {
    taxColor = 1;
  }

  colorDistrict(districtID, taxColor);
  
}

}

void colorDistrict(String districtID, int taxColor) {
  //find object on map
  try {
  districtShape = bigMap.getChild(districtID);
  districtShape.disableStyle();
  fill(taxColor,taxColor,255);
  shape(districtShape,500,400);
  } catch (Exception e) {
    println("could not find district in map: " + districtID);
  }
}