mxSvgCanvas2D.prototype.appendCircleClip=function(a,b,c){c=this.createElement("circle");var d=a.split(/[ ,]+/);a=this.parseClipValue(d,0);var e=this.parseClipValue(d,2);d=this.parseClipValue(d,3);c.setAttribute("r",a);c.setAttribute("cx",e);c.setAttribute("cy",d);b.appendChild(c);return new mxRectangle(e-a,d-a,2*a,2*a)};