Summary

No overview generated for 'geometry.js'

var nameGeometryArray="GeometryArray";var nameMultiGeometry="MultiGeometry";var nameGeometry="Geometry";function GeomType(){this.polygon="polygon";this.line="line";this.point="point";}
var geomType=new GeomType();function GeometryArray(){this.addMember=function(geomType){this.add(new MultiGeometry(geomType));};this.name=nameGeometryArray;this.list=[];}
GeometryArray.prototype=new List();GeometryArray.prototype.getGeometry=function(i,j){return this.get(i).get(j);};GeometryArray.prototype.getPoint=function(i,j,k){return this.get(i).get(j).get(k);};GeometryArray.prototype.findMultiGeometry=function(geom){var a=[];for(var i=0;i<this.count();i++){if(this.get(i).equals(geom)){a.push(i);}}
return a;};GeometryArray.prototype.delGeometry=function(i,j){if(this.get(i).del(j)===false){this.del(i);}};GeometryArray.prototype.delPoint=function(i,j,k){var res=this.get(i).delPoint(j,k);if(res===false){this.del(i);}};GeometryArray.prototype.close=function(){if(!this.get(-1).get(-1).close()){this.delGeometry(-1,-1);}
else{if(this.get(-1).get(-1).count()===0){this.get(-1).del(-1);}
if(this.get(-1).count()===0){this.del(-1);}}};GeometryArray.prototype.delAllPointsLike=function(point){var finished=false;while(finished===false){finished=true;for(var i=0;finished===true&&i<this.count();i++){for(var j=0;finished===true&&j<this.get(i).count();j++){for(var k=0;finished===true&&k<this.get(i).get(j).count();k++){if(this.getPoint(i,j,k).equals(point)){this.delPoint(i,j,k);finished=false;}}}}}};GeometryArray.prototype.updateAllPointsLike=function(oldP,newP){for(var i=0;i<this.count();i++){this.get(i).updateAllPointsLike(oldP,newP);}};function MultiGeometry(geomType){this.addGeometry=function(){this.add(new Geometry(this.geomType));};this.del=function(i){i=this.getIndex(i);if(i!==false){var tmpLength=this.count()-1;for(var z=i;z<tmpLength;z++){this.list[z]=this.list[z+1];e[z]=e[z+1];}
this.list.length-=1;if(this.list.length===0){return false;}}
return true;};this.list=[];this.e=new Wfs_element();this.geomType=geomType;this.name=nameMultiGeometry;}
MultiGeometry.prototype=new List();MultiGeometry.prototype.updateAllPointsLike=function(oldP,newP){for(var i=0;i<this.count();i++){this.get(i).updateAllPointsLike(oldP,newP);}};MultiGeometry.prototype.getBBox=function(){var q=this.get(0).get(0);var min=cloneObject(q);var max=cloneObject(q);for(var i=0;i<this.count();i++){var pos=this.get(i).getBBox();if(pos[0].x<min.x){min.x=pos[0].x;}
if(pos[1].x>max.x){max.x=pos[1].x;}
if(pos[1].y>max.y){max.y=pos[1].y;}
if(pos[0].y<min.y){min.y=pos[0].y;}}
return[min,max];};MultiGeometry.prototype.getCenter=function(){var tmp=this.getBBox();var x=parseFloat(tmp[0].x)+parseFloat((tmp[1].x-tmp[0].x)/2);var y=parseFloat(tmp[0].y)+parseFloat((tmp[1].y-tmp[0].y)/2);return new Point(x,y);};MultiGeometry.prototype.getTotalPointCount=function(){var c=0;for(var i=0;i<this.count();i++){c+=this.get(i).count();}
return c;};MultiGeometry.prototype.getPoint=function(j,k){return this.get(j).get(k);};MultiGeometry.prototype.equals=function(multigeom){if(this.geomType!=multigeom.geomType){return false;}
if(this.count()!=multigeom.count()){return false;}
if(this.getTotalPointCount()!=multigeom.getTotalPointCount()){return false;}
for(var i=0;i<this.count();i++){if(!this.get(i).equals(multigeom.get(i))){return false;}}
return true;};MultiGeometry.prototype.delPoint=function(i,j){var res=this.get(i).del(j);if(res===false){return this.del(i);}
return true;};function Geometry(aGeomtype){this.del=function(i){i=this.getIndex(i);if(i!==false){var tmpLength=this.count()-1;for(var z=i;z<tmpLength;z++){this.list[z]=this.list[z+1];}
this.list.length-=1;if(this.geomType==geomType.polygon){if(i==tmpLength){this.list[0]=this.list[tmpLength-1];}
else if(i===0){this.list[tmpLength-1]=this.list[0];}
if(this.list.length==1){return false;}}
updateDist();if(this.list.length===0){return false;}
return true;}
return false;};this.addPointByCoordinates=function(x,y){this.add(new Point(x,y));updateDist();};this.addPoint=function(aPoint){this.add(new Point(aPoint.x,aPoint.y));updateDist();};this.addPointAtIndex=function(p,i){i=this.getIndex(i);if(i!==false){for(var z=this.count();z>i;z--){this.list[z]=this.list[z-1];}
this.list[i]=new Point(p.x,p.y);updateDist();}};this.updatePointAtIndex=function(p,i){i=this.getIndex(i);if((i===0||i==this.count()-1)&&this.geomType==geomType.polygon){this.list[0]=p;this.list[this.count()-1]=p;}
else{this.list[i]=p;}
updateDist();};var updateDist=function(){dist[0]=0;totaldist[0]=0;for(var i=1;i<that.count();i++){dist[i]=that.get(i-1).dist(that.get(i));totaldist[i]=totaldist[i-1]+dist[i];}};this.getCurrentDist=function(numberOfDigits){if(typeof(numberOfDigits)=="number"){return roundToDigits(dist[this.count()-1],numberOfDigits);}
return dist[this.count()-1];};this.getTotalDist=function(numberOfDigits){if(typeof(numberOfDigits)=="number"){return roundToDigits(totaldist[this.count()-1],numberOfDigits);}
return totaldist[this.count()-1];};this.close=function(){complete=true;if(this.geomType==geomType.polygon){if(this.count()>2){if(!this.get(0).equals(this.get(-1))){this.addPoint(this.get(0));}}
else{return false;}}
if(this.geomType==geomType.line){if(this.count()<2){return false;}}
return true;};this.isComplete=function(){return complete;};this.list=[];var dist=[];var totaldist=[];var complete=false;var that=this;this.geomType=aGeomtype;this.name=nameGeometry;}
Geometry.prototype=new List();Geometry.prototype.getBBox=function(){var q=this.get(0);var min=cloneObject(q);var max=cloneObject(q);for(var j=0;j<this.count();j++){var pos=this.get(j);if(pos.x<min.x){min.x=pos.x;}
else if(pos.x>max.x){max.x=pos.x;}
if(pos.y<min.y){min.y=pos.y;}
else if(pos.y>max.y){max.y=pos.y;}}
return[min,max];};Geometry.prototype.updateAllPointsLike=function(oldP,newP){var len=this.count();for(var i=0;i<len;i++){if(oldP.equals(this.get(i))){if(i>0&&newP.equals(this.get(i-1))){this.del(i);len--;i--;}
else{this.updatePointAtIndex(newP,i);}}}};Geometry.prototype.equals=function(geom){if(this.geomType!=geom.geomType){return false;}
if(this.count()!=geom.count()){return false;}
for(var i=0;i<this.count();i++){if(!this.get(i).equals(geom.get(i))){return false;}}
return true;};function Wfs_element(){this.count=function(){return name.length;};this.getName=function(i){if(isValidElementIndex(i)){return name[i];}
return false;};this.getValue=function(i){if(isValidElementIndex(i)){return value[i];}
return false;};this.setElement=function(aName,aValue){var i=this.getElementIndexByName(aName);if(i===false){i=this.count();}
name[i]=aName;value[i]=aValue;};var isValidElementIndex=function(i){if(i>=0&&i<name.length){return true;}
var e=new Mb_exception("class Wfs_element: function isValidElementIndex: illegal element index");return false;};var name=[];var value=[];}
Wfs_element.prototype.getElementIndexByName=function(elementName){for(var j=0;j<this.count();j++){if(this.getName(j)==elementName){return j;}}
return false;};Wfs_element.prototype.getElementValueByName=function(elementName){var i=this.getElementIndexByName(elementName);if(i===false){return false;}
return this.getValue(i);};function Canvas(aMapframe,aTagName,aStyle,aLineWidth){this.drawGeometry=function(t,g,col){var mapObjInd=getMapObjIndexByName(mapframe);width=mb_mapObj[mapObjInd].width;height=mb_mapObj[mapObjInd].height;for(var i=0;i<g.count();i++){if(t==geomType.point){var p=realToMap(mapframe,g.get(i).get(0));if(p.x+diameter<mb_mapObj[mapObjInd].width&&p.x-diameter>0&&p.y+diameter<mb_mapObj[mapObjInd].height&&p.y-diameter>0){drawCircle(p.x-1,p.y-1,diameter,col);}}
else if(t==geomType.line||t==geomType.polygon){for(var j=0;j<g.get(i).count()-1;j++){var pq=calculateVisibleDash(realToMap(mapframe,g.get(i).get(j)),realToMap(mapframe,g.get(i).get(j+1)),width,height);if(pq){drawLine([pq[0].x-1,pq[1].x-1],[pq[0].y-1,pq[1].y-1],col);}}}
else{var e=new Mb_exception("class Canvas: function drawGeometry: unknown geomType "+t);}}};this.isTooSmall=function(g){var tmp=g.getBBox();var min=realToMap(mapframe,tmp[0]);var max=realToMap(mapframe,tmp[1]);if((Math.abs(max.x-min.x)<minWidth)&&(Math.abs(max.y-min.y)<minWidth)){return true;}
return false;};this.getCanvas=function(){return canvas;};var drawCircle=function(x,y,diameter,color){canvas.setColor(color);canvas.drawEllipse(x-diameter/2,y-diameter/2,diameter,diameter);};var drawLine=function(x_array,y_array,color){canvas.setColor(color);canvas.drawPolyline(x_array,y_array);};this.canvasDivTag=new DivTag(aTagName,aMapframe,aStyle);var that=this;var diameter=8;var minWidth=8;var lineWidth=aLineWidth;var mapframe=aMapframe;var style=aStyle;var canvas=new jsGraphics(aTagName,window.frames[mapframe]);canvas.setStroke(lineWidth);mb_registerPanSubElement(aTagName);}
Canvas.prototype.clean=function(){this.canvasDivTag.clean();};Canvas.prototype.paint=function(gA){for(var q=0;q<gA.count();q++){var m=gA.get(q);var t=m.geomType;var col=m.color;if(t==geomType.point){this.drawGeometry(t,m,col);}
else{if(this.isTooSmall(m)){var newMember=new MultiGeometry(geomType.point);newMember.addGeometry();newMember.get(-1).addPoint(m.getCenter());this.drawGeometry(geomType.point,newMember,col);}
else{if(t==geomType.line){this.drawGeometry(t,m,col);}
else if(t==geomType.polygon){this.drawGeometry(t,m,col);}
else{var e=new Mb_exception("class Canvas: function paint: unknown geomType"+t);}}}}
this.getCanvas().paint();};function Highlight(aTargetArray,aTagName,aStyle,aLineWidth){this.del=function(m,color){var a=gA.findMultiGeometry(m);var del=false;for(var i=0;i<a.length&&del===false;i++){if(gA.get(a[i]).color==color){gA.del(a[i]);del=true;}}
this.paint();};this.add=function(m,color){gA.addCopy(m);if(typeof(color)!='undefined'){gA.get(-1).color=color;}
else{gA.get(-1).color=lineColor;}
this.paint();};this.clean=function(){if(gA.count()>0){gA=new GeometryArray();this.paint();}};this.paint=function(){for(var i=0;i<canvas.length;i++){if(typeof(canvas[i])=="object"){canvas[i].clean();}}
for(var i=0;i<targets.length;i++){if(typeof(canvas[i])=='undefined'){canvas[i]=new Canvas(targets[i],tagname,style,lineWidth);}
canvas[i].paint(gA);}};var lineWidth=aLineWidth;var tagname='mod_gaz_draw'+aTagName;var style=aStyle;var targets=aTargetArray;var canvas=[];var gA=new GeometryArray();var lineColor="#ff0000";this.paint();}
function Snapping(aTarget,aTolerance,aColor,aZIndex){this.draw=function(center,radius){mG=new MultiGeometry(geomType.point);mG.addGeometry();mG.get(-1).addPoint(center);highlight.add(mG);};this.getTolerance=function(){return tolerance;};this.getTarget=function(){return target;};this.cleanHighlight=function(){return highlight.clean();};this.addPoint=function(aPoint){coord.push(aPoint);};this.getPointCount=function(){return coord.length;};this.getPoint=function(i){return coord[i];};this.resetPoints=function(){coord=[];};this.getNearestNeighbour=function(){if(min_i!=-1){return this.getPoint(min_i);}
return false;};this.setIndexOfNearestNeighbour=function(i){min_i=i;};this.resetIndexOfNearestNeighbour=function(){min_i=-1;};var tolerance=(typeof(aTolerance)=='undefined')?10:aTolerance;var zIndex=(typeof(aZIndex)=='undefined')?50:aZIndex;var coord=[];var min_i=-1;var target=aTarget;var lineWidth=2;var style={"position":"absolute","top":"0px","left":"0px","z-index":zIndex};var highlight=new Highlight([target],"snapping"+Math.round(Math.random()*Math.pow(10,10)),style,lineWidth);}
Snapping.prototype.check=function(currPoint){var minDist=false;for(var i=0;i<this.getPointCount();i++){var currDist=currPoint.dist(realToMap(this.getTarget(),this.getPoint(i)));if(minDist===false||currDist<minDist){minDist=currDist;if(minDist<this.getTolerance()){this.setIndexOfNearestNeighbour(i);}}}
if(this.getPointCount()>0&&minDist>this.getTolerance()){this.resetIndexOfNearestNeighbour();}
this.cleanHighlight();if(this.isSnapped()){this.draw(this.getNearestNeighbour(),this.getTolerance());}};Snapping.prototype.store=function(geom,point){this.resetPoints();this.resetIndexOfNearestNeighbour();for(var i=0;i<geom.count();i++){if(geom.name==nameGeometryArray||geom.name==nameMultiGeometry){for(var j=0;j<geom.get(i).count();j++){if(geom.get(i).name==nameMultiGeometry){for(var k=0;k<geom.get(i).get(j).count();k++){if((geom.get(i).get(j).isComplete()===true&&typeof(point)=='undefined')||(typeof(point)!='undefined'&&!geom.get(i).get(j).get(k).equals(point))){this.add(geom.getPoint(i,j,k));}}}
else{if((geom.get(i).isComplete()===true&&typeof(point)=='undefined')||(typeof(point)!='undefined'&&!geom.get(i).get(j).get(k).equals(point))){this.add(geom.getPoint(i,j));}}}}
else{if(typeof(point)!='undefined'&&!geom.get(i).get(j).get(k).equals(point)){this.add(geom.get(i));}}}};Snapping.prototype.isSnapped=function(){if(this.getNearestNeighbour()!==false){return true;}
return false;};Snapping.prototype.getSnappedPoint=function(){return this.getNearestNeighbour();};Snapping.prototype.add=function(aPoint){this.addPoint(aPoint);};Snapping.prototype.clean=function(){this.cleanHighlight();};function calculateVisibleDash(p0,p1,width,height){if(p0.x>p1.x){var p_temp=p0;p0=p1;p1=p_temp;p_temp=null;}
var p=p0;var q=p1;var m;var ix;var iy;if(p1.x!=p0.x){m=-(p1.y-p0.y)/(p1.x-p0.x);if(p0.x<width&&p1.x>0&&!(p0.y<0&&p1.y<0)&&!(p0.y>height&&p1.y>height)){if(p0.x<0){iy=p0.y-m*(0-p0.x);if(iy>0&&iy<height){p=new Point(0,iy);}
else if(iy>height){ix=p0.x+((p0.y-height)/m);if(ix>0&&ix<width){p=new Point(ix,height);}else{return false;}}
else if(iy<0){ix=p0.x+(p0.y/m);if(ix>0&&ix<width){p=new Point(ix,0);}else{return false;}}
else{return false;}}
else if(p0.y>=0&&p0.y<=height){p=p0;}
else if(p0.y<0){ix=p0.x+(p0.y/m);if(ix>0&&ix<width){p=new Point(ix,0);}else{return false;}}
else if(p0.y>height&&m>0){ix=p0.x+((p0.y-height)/m);if(ix>0&&ix<width){p=new Point(ix,height);}else{return false;}}
else{return false;}
if(p1.x>width){iy=p1.y-m*(width-p1.x);if(iy>0&&iy<height){q=new Point(width,iy);}
else if(iy<0){ix=p0.x+(p0.y/m);if(ix>0&&ix<width){q=new Point(ix,0);}else{return false;}}
else if(iy>height){ix=p0.x+((p0.y-height)/m);if(ix>0&&ix<width){q=new Point(ix,height);}else{return false;}}
else{return false;}}
else if(p1.y>=0&&p1.y<=height){q=p1;}
else if(p1.y<0){ix=p1.x+(p1.y/m);if(ix>0&&ix<width){q=new Point(ix,0);}else{return false;}}
else if(p1.y>height){ix=p1.x+((p1.y-height)/m);if(ix>0&&ix<width){q=new Point(ix,height);}else{return false;}}}
else{return false;}}
else{if(!(p0.y<0&&p1.y<0)&&!(p0.y>height&&p1.y>height)){if(p0.y<0){p=new Point(p0.x,0);}
else if(p0.y>height){p=new Point(p0.x,height);}
else{p=p0;}
if(p1.y<0){q=new Point(p0.x,0);}
else if(p1.y>height){q=new Point(p0.x,height);}
else{q=p1;}}
else{return false;}}
return[new Point(Math.round(q.x),Math.round(q.y)),new Point(Math.round(p.x),Math.round(p.y))];}
function objString(a){var z="";for(attr in a){var b=a[attr];if(typeof(b)=="object"){z+=objString(b);}
else{z+=attr+" "+b+"\n";alert(attr+" "+b);}}
return z;}