Kreisfläche
Aus Wiki1
(Unterschied zwischen Versionen)
| Zeile 11: | Zeile 11: | ||
var brd = JXG.JSXGraph.initBoard('box', {boundingbox: [x_min,y_max,x_max,y_min]}); | var brd = JXG.JSXGraph.initBoard('box', {boundingbox: [x_min,y_max,x_max,y_min]}); | ||
| + | //Eingabe Volumenstrom | ||
var pv0 = brd.create('point',[0,y_min+20*dy],{fixed:true,visible:true,name:"Volumenstrom m3/h"}); | var pv0 = brd.create('point',[0,y_min+20*dy],{fixed:true,visible:true,name:"Volumenstrom m3/h"}); | ||
var pv1 = brd.create('point',[0+20*dx,y_min+20*dy],{fixed:false,visible:true,name:""}); | var pv1 = brd.create('point',[0+20*dx,y_min+20*dy],{fixed:false,visible:true,name:""}); | ||
var lv= brd.create('line',[pv0,pv1],{straightFirst:false, straightLast:false,visible:true}); | var lv= brd.create('line',[pv0,pv1],{straightFirst:false, straightLast:false,visible:true}); | ||
| + | var V_dot=function() | ||
| + | { | ||
| + | var v_val=Math.abs(pv1.X()-pv0.X()); | ||
| + | var v_ex=(pv1.Y()-pv0.Y())/10; | ||
| + | return Math.round(1000*Math.pow(v_val,v_ex))/1000; | ||
| + | } | ||
| + | brd.create('text',[pv0.X(),pv0.Y()-5*dy,V_dot],{}); | ||
| + | //Eingabe Dichte | ||
var pd0 = brd.create('point',[0,y_min+40*dy],{fixed:true,visible:true,name:"Dichte kg/m3"}); | var pd0 = brd.create('point',[0,y_min+40*dy],{fixed:true,visible:true,name:"Dichte kg/m3"}); | ||
var pd1 = brd.create('point',[0+20*dx,y_min+40*dy],{fixed:false,visible:true,name:""}); | var pd1 = brd.create('point',[0+20*dx,y_min+40*dy],{fixed:false,visible:true,name:""}); | ||
| Zeile 26: | Zeile 35: | ||
brd.create('text',[pd0.X(),pd0.Y()-5*dy,Den],{}); | brd.create('text',[pd0.X(),pd0.Y()-5*dy,Den],{}); | ||
| - | + | //Eingabe Kreis | |
var p0 = brd.create('point',[0,0],{fixed:true,visible:true}); | var p0 = brd.create('point',[0,0],{fixed:true,visible:true}); | ||
var p1 = brd.create('point',[x_max/2,0],{name:'',visible:true}); | var p1 = brd.create('point',[x_max/2,0],{name:'',visible:true}); | ||
| Zeile 37: | Zeile 46: | ||
return "D="+Math.round(1000*d)/1000+" A="+Math.round(1000*A)/1000; | return "D="+Math.round(1000*d)/1000+" A="+Math.round(1000*A)/1000; | ||
} | } | ||
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var Velo=function() | var Velo=function() | ||
| Zeile 66: | Zeile 66: | ||
brd.create('text',[p1.X()-dx*20,p1.Y()-10*dy,Velo],{}); | brd.create('text',[p1.X()-dx*20,p1.Y()-10*dy,Velo],{}); | ||
brd.create('text',[p1.X()-dx*20,p1.Y()-15*dy,Mass],{}); | brd.create('text',[p1.X()-dx*20,p1.Y()-15*dy,Mass],{}); | ||
| - | + | ||
Version vom 17:24, 8. Dez. 2013
Mit Hilfe des Programmpakets JSXGraph (siehe http://jsxgraph.uni-bayreuth.de/wp/) können komplexe, interaktive Grafiken nur mit Hilfe von JavaScript in Webseiten integriert werden. Details unter http://jsxgraph.uni-bayreuth.de/docs/symbols/Circle.html
