Difference between revisions of "Random points"
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| + | ===Draw 100 random points=== | ||
<html> | <html> | ||
<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | ||
| Line 24: | Line 25: | ||
<source lang="javascript"> | <source lang="javascript"> | ||
| + | board = JXG.JSXGraph.initBoard('box', {originX: 10, originY:390 , unitX:380 , unitY: 380}); | ||
| + | |||
| + | function reload() { | ||
| + | JXG.JSXGraph.freeBoard(board); | ||
| + | board = JXG.JSXGraph.initBoard('box', {originX: 10, originY: 390, unitX: 380, unitY: 380}); | ||
| + | |||
| + | board.suspendUpdate(); | ||
| + | for (var i=0;i<100;i++) { | ||
| + | var p = board.createElement('point', | ||
| + | [Math.random(),Math.random()],{style:5,name:' '}); | ||
| + | } | ||
| + | board.unsuspendUpdate(); | ||
| + | } | ||
| + | reload(); | ||
</source> | </source> | ||
| + | ===Draw 100 random points=== | ||
| + | These 100 points are updated on the onmouseover event and get | ||
| + | new random coordinates. | ||
| + | <html> | ||
| + | <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | ||
| + | <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script> | ||
| + | <script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script> | ||
| + | <form><input type='button' value="Reload" onClick="reload();"></form> | ||
| + | <div id="box2" class="jxgbox" style="width:400px; height:400px;"></div> | ||
| + | <script language="JavaScript"> | ||
| + | board2 = JXG.JSXGraph.initBoard('box2', {originX: 10, originY:390 , unitX:380 , unitY: 380}); | ||
| + | board2.suspendUpdate(); | ||
| + | for (var i=0;i<100;i++) { | ||
| + | var p = board2.createElement('point', | ||
| + | [function(){return Math.random();},function(){ return Math.random()}], | ||
| + | {style:5,name:' '}); | ||
| + | } | ||
| + | board.unsuspendUpdate(); | ||
| + | </script> | ||
| + | </html> | ||
| + | |||
| + | <source lang="javascript"> | ||
| + | </source> | ||
[[Category:Examples]] | [[Category:Examples]] | ||
Revision as of 16:25, 7 December 2008
Draw 100 random points
board = JXG.JSXGraph.initBoard('box', {originX: 10, originY:390 , unitX:380 , unitY: 380});
function reload() {
JXG.JSXGraph.freeBoard(board);
board = JXG.JSXGraph.initBoard('box', {originX: 10, originY: 390, unitX: 380, unitY: 380});
board.suspendUpdate();
for (var i=0;i<100;i++) {
var p = board.createElement('point',
[Math.random(),Math.random()],{style:5,name:' '});
}
board.unsuspendUpdate();
}
reload();
Draw 100 random points
These 100 points are updated on the onmouseover event and get new random coordinates.
