Difference between revisions of "Images"

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(Dynamic image)
Line 27: Line 27:
 
(function(){
 
(function(){
 
   var brd = JXG.JSXGraph.initBoard('box2', {boundingbox:[-5,5,5,-5],axis:true});
 
   var brd = JXG.JSXGraph.initBoard('box2', {boundingbox:[-5,5,5,-5],axis:true});
   var p = brd.create('point',[-1,-1]);
+
   var p = brd.create('point',[-1,-1], {size:10, opacity:0.3});
 
   var urlImg = "http://jsxgraph.uni-bayreuth.de/distrib/images/uccellino.jpg";
 
   var urlImg = "http://jsxgraph.uni-bayreuth.de/distrib/images/uccellino.jpg";
 
   var im = brd.create('image',[urlImg, [function(){return p.X();},function(){return p.Y();}], [3,3] ]);  
 
   var im = brd.create('image',[urlImg, [function(){return p.X();},function(){return p.Y();}], [3,3] ]);  

Revision as of 21:51, 1 January 2011

Static image

The JavaScript code

Images can be included with the command

var im = brd.create('image',[urlImg, [-1,-1], [2*2.67181,2] ]);

It has the parameters:

  • urlImage: URL of the image. Data URLs are possible, but will not beshown in the Internet Explorer <8 and are restricted to max. 32kByte in the Internet Explorer 8.
  • [x,y]: position of the lower left corner of the image.
  • [w,h]: width and height of the image.
var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-5,5,5,-5],axis:true});
var urlImg = "http://jsxgraph.uni-bayreuth.de/distrib/images/uccellino.jpg";
var im = brd.create('image',[urlImg, [-1,-1], [3,3] ]);

Dynamic image