Difference between revisions of "Highlight curve via slider"
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| + | Depending on the value of the slider ''s'', one of the curves is highlighted. | ||
<jsxgraph height="500" width="600" board="board" box="jxgbox"> | <jsxgraph height="500" width="600" board="board" box="jxgbox"> | ||
board = JXG.JSXGraph.initBoard('jxgbox', {originX: 250, originY: 250, unitX: 25, unitY: 25}); | board = JXG.JSXGraph.initBoard('jxgbox', {originX: 250, originY: 250, unitX: 25, unitY: 25}); | ||
| Line 6: | Line 7: | ||
{ | { | ||
strokeColor:function(){ return (s.Value()<0.5)?'red':'blue';}, | strokeColor:function(){ return (s.Value()<0.5)?'red':'blue';}, | ||
| − | strokeWidth:function(){ return (s.Value()<0.5)? | + | strokeWidth:function(){ return (s.Value()<0.5)?4:1;}, |
}); | }); | ||
var f = board.createElement('functiongraph', [function(x){ return x+1;}], | var f = board.createElement('functiongraph', [function(x){ return x+1;}], | ||
{ | { | ||
strokeColor:function(){ return (s.Value()>=0.5)?'red':'blue';}, | strokeColor:function(){ return (s.Value()>=0.5)?'red':'blue';}, | ||
| − | strokeWidth:function(){ return (s.Value()>=0.5)? | + | strokeWidth:function(){ return (s.Value()>=0.5)?4:1;}, |
}); | }); | ||
</jsxgraph> | </jsxgraph> | ||
| + | |||
| + | ===The underlying JavaScript code=== | ||
| + | <source lang="javascript"> | ||
| + | var s = board.createElement('slider', [[1,8],[5,8],[0,0,1]]); | ||
| + | |||
| + | var g = board.createElement('functiongraph', [function(x){ return x*x;}], | ||
| + | { | ||
| + | strokeColor:function(){ return (s.Value()<0.5)?'red':'blue';}, | ||
| + | strokeWidth:function(){ return (s.Value()<0.5)?4:1;}, | ||
| + | }); | ||
| + | var f = board.createElement('functiongraph', [function(x){ return x+1;}], | ||
| + | { | ||
| + | strokeColor:function(){ return (s.Value()>=0.5)?'red':'blue';}, | ||
| + | strokeWidth:function(){ return (s.Value()>=0.5)?4:1;}, | ||
| + | }); | ||
| + | </source> | ||
| + | |||
| + | [[Category:Examples]] | ||
Revision as of 13:16, 2 June 2009
Depending on the value of the slider s, one of the curves is highlighted.
The underlying JavaScript code
var s = board.createElement('slider', [[1,8],[5,8],[0,0,1]]);
var g = board.createElement('functiongraph', [function(x){ return x*x;}],
{
strokeColor:function(){ return (s.Value()<0.5)?'red':'blue';},
strokeWidth:function(){ return (s.Value()<0.5)?4:1;},
});
var f = board.createElement('functiongraph', [function(x){ return x+1;}],
{
strokeColor:function(){ return (s.Value()>=0.5)?'red':'blue';},
strokeWidth:function(){ return (s.Value()>=0.5)?4:1;},
});
