Difference between revisions of "Spline chart with special highlight"

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Line 2: Line 2:
  
 
<jsxgraph width="600" height="600">
 
<jsxgraph width="600" height="600">
  var board = JXG.JSXGraph.initBoard('jxgbox', {originX: 50, originY: 500, unitX: 50, unitY: 50});
+
  var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-1, 10, 11, -2]});
 
  board.suspendUpdate();
 
  board.suspendUpdate();
 
  var dataArr = [[0,1,2,3,4,5,6,7,8,9,10], [4,1,3,2,5,7,1.5,2,4.5,8,5]];         
 
  var dataArr = [[0,1,2,3,4,5,6,7,8,9,10], [4,1,3,2,5,7,1.5,2,4.5,8,5]];         
Line 8: Line 8:
 
  var axisy = board.create('axis', [[0,0], [0,1]], {strokeColor:'black'});
 
  var axisy = board.create('axis', [[0,0], [0,1]], {strokeColor:'black'});
 
  var chart = board.create('chart', dataArr, {chartStyle:'spline,point',labels:dataArr});
 
  var chart = board.create('chart', dataArr, {chartStyle:'spline,point',labels:dataArr});
  chart[0].setProperty({strokeColor:'#32CD32',highlightStrokeColor:'#32CD32',strokeWidth:'3px',shadow:true});
+
  chart[0].setProperty({strokeColor:'#32CD32',highlightStrokeColor:'#32CD32',strokeWidth:'3px'});
 
  board.unsuspendUpdate();  
 
  board.unsuspendUpdate();  
 
  var i, animate;
 
  var i, animate;
 
  for(i=0; i<chart[1].length; i++) {
 
  for(i=0; i<chart[1].length; i++) {
     chart[1][i].setProperty({face:'square',size:5,strokeColor:'#32CD32',fillColor:'#EEE9BF',strokeWidth:'3px',shadow:true});
+
     chart[1][i].setProperty({face:'square',size:5,strokeColor:'#32CD32',fillColor:'#EEE9BF',strokeWidth:'3px'});
 
     chart[1][i].highlight = function() {     
 
     chart[1][i].highlight = function() {     
 
         var ms = 200, to = 10, from = 5, difference, el = this, start = new Date, animate;
 
         var ms = 200, to = 10, from = 5, difference, el = this, start = new Date, animate;
Line 60: Line 60:
  
 
===JavaScript code to produce this chart===
 
===JavaScript code to produce this chart===
<source lang="xml">
+
<source lang="javascript">
<jsxgraph width="600" height="600">
+
  var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-1, 10, 11, -2]});
  var board = JXG.JSXGraph.initBoard('jxgbox', {originX: 50, originY: 500, unitX: 50, unitY: 50});
 
 
  board.suspendUpdate();
 
  board.suspendUpdate();
 
  var dataArr = [[0,1,2,3,4,5,6,7,8,9,10], [4,1,3,2,5,7,1.5,2,4.5,8,5]];         
 
  var dataArr = [[0,1,2,3,4,5,6,7,8,9,10], [4,1,3,2,5,7,1.5,2,4.5,8,5]];         
Line 68: Line 67:
 
  var axisy = board.create('axis', [[0,0], [0,1]], {strokeColor:'black'});
 
  var axisy = board.create('axis', [[0,0], [0,1]], {strokeColor:'black'});
 
  var chart = board.create('chart', dataArr, {chartStyle:'spline,point',labels:dataArr});
 
  var chart = board.create('chart', dataArr, {chartStyle:'spline,point',labels:dataArr});
  chart[0].setProperty({strokeColor:'#32CD32',highlightStrokeColor:'#32CD32',strokeWidth:'3px',shadow:false});
+
  chart[0].setProperty({strokeColor:'#32CD32',highlightStrokeColor:'#32CD32',strokeWidth:'3px'});
 
  board.unsuspendUpdate();  
 
  board.unsuspendUpdate();  
 
  var i, animate;
 
  var i, animate;
 
  for(i=0; i<chart[1].length; i++) {
 
  for(i=0; i<chart[1].length; i++) {
     chart[1][i].setProperty({face:'square',size:5,strokeColor:'#32CD32',fillColor:'#EEE9BF',strokeWidth:'3px',shadow:false});
+
     chart[1][i].setProperty({face:'square',size:5,strokeColor:'#32CD32',fillColor:'#EEE9BF',strokeWidth:'3px'});
 
     chart[1][i].highlight = function() {     
 
     chart[1][i].highlight = function() {     
 
         var ms = 200, to = 10, from = 5, difference, el = this, start = new Date, animate;
 
         var ms = 200, to = 10, from = 5, difference, el = this, start = new Date, animate;
Line 117: Line 116:
 
     }                   
 
     }                   
 
  }  
 
  }  
</jsxgraph>
 
 
</source>
 
</source>
  
 
[[Category:Examples]]
 
[[Category:Examples]]
 
[[Category:Charts]]
 
[[Category:Charts]]

Revision as of 15:57, 8 June 2011

A mixed chart with splines and points. The points get special highlight and noHighlight-methods in order to have an animated highlighting with a growing resp. decreasing radius.

JavaScript code to produce this chart

 var board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-1, 10, 11, -2]});
 board.suspendUpdate();
 var dataArr = [[0,1,2,3,4,5,6,7,8,9,10], [4,1,3,2,5,7,1.5,2,4.5,8,5]];        
 var axisx = board.create('axis', [[0,0], [1,0]], {strokeColor:'black'});
 var axisy = board.create('axis', [[0,0], [0,1]], {strokeColor:'black'});
 var chart = board.create('chart', dataArr, {chartStyle:'spline,point',labels:dataArr});
 chart[0].setProperty({strokeColor:'#32CD32',highlightStrokeColor:'#32CD32',strokeWidth:'3px'});
 board.unsuspendUpdate(); 
 var i, animate;
 for(i=0; i<chart[1].length; i++) {
     chart[1][i].setProperty({face:'square',size:5,strokeColor:'#32CD32',fillColor:'#EEE9BF',strokeWidth:'3px'});
     chart[1][i].highlight = function() {    
         var ms = 200, to = 10, from = 5, difference, el = this, start = new Date, animate;
         difference = (to-from)/ms;

         function step() {
             var time = new Date - start, current;
             if(time < ms) {            
                 current = from + time * difference;
                 el.visProp['size'] = current;
                 el.board.renderer.updatePoint(el);
                 animate = setTimeout(step,1);
             }
             else {
                 current = from + ms * difference;
                 el.visProp['size'] = current;
                 el.board.renderer.updatePoint(el);
                 clearTimeout(animate);
             }
         }
         animate = setTimeout(step,1);

     }
     chart[1][i].noHighlight = function() {
         var ms = 200, from = 10, to = 5, difference, el = this, start = new Date;
         difference = (to-from)/ms;

         function step() {
             var time = new Date - start, current;
             if(time < ms) {            
                 current = from + time * difference;
                 el.visProp['size'] = current;
                 el.board.renderer.updatePoint(el);
                 animate = setTimeout(step,1);
             }
             else {
                 current = from + ms * difference;
                 el.visProp['size'] = current;
                 el.board.renderer.updatePoint(el);
                 clearTimeout(animate);
             }
         }
         animate = setTimeout(step,1);            
     }                  
 }