Difference between revisions of "Data plot"
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Jump to navigationJump to searchA WASSERMANN (talk | contribs) |
A WASSERMANN (talk | contribs) |
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| (10 intermediate revisions by the same user not shown) | |||
| Line 6: | Line 6: | ||
var minY = 100000.0; | var minY = 100000.0; | ||
| − | var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[- | + | var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-1,5000,25,-400],axis:true}); |
var plotData = function() { | var plotData = function() { | ||
| Line 12: | Line 12: | ||
var t = document.getElementById('in_data').value; | var t = document.getElementById('in_data').value; | ||
var data = t.split('\n'); | var data = t.split('\n'); | ||
| − | for (i=0;i<data.length;i++) { | + | for (i=0;i<data.length-1;i++) { |
d = data[i].split(';'); | d = data[i].split(';'); | ||
| − | x[i] = d[ | + | x[i] = d[0]*1.0; |
| − | y[i] = d[ | + | y[i] = d[1]*1.0; |
if (x[i]>maxX) maxX = x[i]; | if (x[i]>maxX) maxX = x[i]; | ||
if (y[i]>maxY) maxY = y[i]; | if (y[i]>maxY) maxY = y[i]; | ||
if (y[i]<minY) minY = y[i]; | if (y[i]<minY) minY = y[i]; | ||
} | } | ||
| − | brd.setBoundingBox([- | + | brd.setBoundingBox([-1,maxY*1.01,maxX*1.05,minY*0.95]); |
var c = brd.create('curve',[x,y],{strokeColor:color[nr%color.length]}); | var c = brd.create('curve',[x,y],{strokeColor:color[nr%color.length]}); | ||
nr++; | nr++; | ||
| Line 28: | Line 28: | ||
var clearBoard = function() { | var clearBoard = function() { | ||
JXG.JSXGraph.freeBoard(brd); | JXG.JSXGraph.freeBoard(brd); | ||
| − | brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-100,5000, | + | brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-100,5000,25,-400],axis:true}); |
maxX = 0.0; | maxX = 0.0; | ||
maxY = 0.0; | maxY = 0.0; | ||
| Line 45: | Line 45: | ||
Spalte 1: y-Koordinate, Spalte 2: x-Koordinate | Spalte 1: y-Koordinate, Spalte 2: x-Koordinate | ||
<textarea id="in_data" cols=20 rows=15> | <textarea id="in_data" cols=20 rows=15> | ||
| − | + | 1 ; 7612 | |
| − | + | 2 ; 7632 | |
| − | + | 3 ; 7640 | |
| − | + | 4 ; 7634 | |
| − | + | 5 ; 7616 | |
| − | + | 6 ; 7607 | |
| − | + | 7 ; 7623 | |
| − | + | 8 ; 7639 | |
| − | + | 9 ; 7635 | |
| − | + | 10 ; 7619 | |
| − | + | 11 ; 7606 | |
| − | + | 12 ; 7612 | |
| − | + | 13 ; 7633 | |
| − | + | 14 ; 7641 | |
| − | + | 15 ; 7637 | |
| − | + | 16 ; 7619 | |
| − | + | 17 ; 7617 | |
| − | + | 18 ; 6673 | |
| − | + | 19 ; 7642 | |
| − | + | 20 ; 7653 | |
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</textarea> | </textarea> | ||
</form> | </form> | ||
</html> | </html> | ||
| + | |||
| + | [[Category:Examples]] | ||
| + | [[Category:Charts]] | ||
