Summary

No overview generated for 'point.js'

function Point(x,y){this.x=parseFloat(x);this.y=parseFloat(y);}
Point.prototype.dist=function(p){return Math.sqrt(Math.pow(this.y-p.y,2)+Math.pow(this.x-p.x,2));}
Point.prototype.equals=function(p){if(this.x==p.x&&this.y==p.y){return true;}
return false;}
Point.prototype.minus=function(p){return new Point(this.x-p.x,this.y-p.y);}
Point.prototype.plus=function(p){return new Point(this.x+p.x,this.y+p.y);}
Point.prototype.dividedBy=function(c){if(c!=0){return new Point(this.x/c,this.y/c);}
var e=new Mb_exception("Point.dividedBy: Division by zero");return false;}
Point.prototype.times=function(c){return new Point(this.x*c,this.y*c);}
Point.prototype.round=function(numOfDigits){return new Point(roundToDigits(this.x,numOfDigits),roundToDigits(this.y,numOfDigits));}
Point.prototype.toString=function(){return"("+this.x+", "+this.y+")";}
function mapToReal(frameName,aPoint){var v;if(typeof(mb_mapObj)=='object')v=makeClickPos2RealWorldPos(frameName,aPoint.x,aPoint.y);else if(typeof(parent.mb_mapObj)=='object')v=parent.makeClickPos2RealWorldPos(frameName,aPoint.x,aPoint.y);else alert('where am i?');return new Point(v[0],v[1]);}
function realToMap(frameName,aPoint){var v;if(typeof(mb_mapObj)=='object'){v=makeRealWorld2mapPos(frameName,aPoint.x,aPoint.y);}
else if(typeof(parent.mb_mapObj)=='object'){v=parent.makeRealWorld2mapPos(frameName,aPoint.x,aPoint.y);}
else{var e=new Mb_exception('Point.realToMap:where am i?');}
return new Point(v[0],v[1]);}
function mb_calcExtent(frameName,min,max){var ind;if(typeof(mb_mapObj)=='object'){ind=getMapObjIndexByName(frameName);}
else if(typeof(parent.mb_mapObj)=='object'){ind=parent.getMapObjIndexByName(frameName);}
else{var e=new Mb_exception('Point.mb_calcExtent: function getMapObjIndexByName not found');}
var extent=max.minus(min);var center=extent.dividedBy(2).plus(min);var relation_px_x=mb_mapObj[ind].width/mb_mapObj[ind].height;var relation_px_y=mb_mapObj[ind].height/mb_mapObj[ind].width;var relation_bbox_x=extent.x/extent.y;var new_min;var new_max;if(relation_bbox_x<=relation_px_x){new_min=new Point(center.x-relation_px_x*extent.y/2,min.y);new_max=new Point(center.x+relation_px_x*extent.y/2,max.y);}
else if(relation_bbox_x>relation_px_x){new_min=new Point(min.x,center.y-relation_px_y*extent.x/2);new_max=new Point(max.x,center.y+relation_px_y*extent.x/2);}
mb_mapObj[ind].extent=new_min.x+","+new_min.y+","+new_max.x+","+new_max.y;}
function roundToDigits(aFloat,numberOfDigits){return Math.round(aFloat*Math.pow(10,parseInt(numberOfDigits)))/Math.pow(10,parseInt(numberOfDigits));}