// ====== Create the Euclidean Projection for the flat map ======
// == Constructor ==
function EuclideanProjection(a){
	this.pixelsPerLonDegree=[];
	this.pixelsPerLonRadian=[];
	this.pixelOrigo=[];
	this.tileBounds=[];
	var b=256;
	var c=1;
	for(var d=0;d<a;d++){
	  var e=b/2;
	  this.pixelsPerLonDegree.push(b/360);
	  this.pixelsPerLonRadian.push(b/(2*Math.PI));
	  this.pixelOrigo.push(new GPoint(e,e));
	  this.tileBounds.push(c);
	  b*=2;
	  c*=2
	}
      }
 
function SetupProjection()
{
	// == Attach it to the GProjection() class ==
	EuclideanProjection.prototype=new GProjection();
	 
	 
	// == A method for converting latitudes and longitudes to pixel coordinates == 
	EuclideanProjection.prototype.fromLatLngToPixel=function(a,b){
		var c=Math.round(this.pixelOrigo[b].x+a.lng()*this.pixelsPerLonDegree[b]);
		var d=Math.round(this.pixelOrigo[b].y+(-2*a.lat())*this.pixelsPerLonDegree[b]);
		return new GPoint(c,d)
	};
	
	// == a method for converting pixel coordinates to latitudes and longitudes ==
	EuclideanProjection.prototype.fromPixelToLatLng=function(a,b,c){
		var d=(a.x-this.pixelOrigo[b].x)/this.pixelsPerLonDegree[b];
		var e=-0.5*(a.y-this.pixelOrigo[b].y)/this.pixelsPerLonDegree[b];
		return new GLatLng(e,d,c)
	};
	
	// == a method that checks if the y value is in range, and wraps the x value ==
	EuclideanProjection.prototype.tileCheckRange=function(a,b,c){
		var d=this.tileBounds[b];
		if (a.y<0||a.y>=d) {
		  return false;
		}
		if(a.x<0||a.x>=d){
		  a.x=a.x%d;
		  if(a.x<0){
		    a.x+=d;
		  }
		}
		return true
	}
	
	// == a method that returns the width of the tilespace ==	     
	EuclideanProjection.prototype.getWrapWidth=function(zoom) {
		return this.tileBounds[zoom]*256;
	}
}