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]}); | ||
- | var pv0 = brd.create('point',[0,y_min+20*dy],{fixed:true,visible:true,name:"Volumenstrom"}); | + | 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}); | ||
Zeile 22: | Zeile 22: | ||
{ | { | ||
var d=2*c.getRadius(); | var d=2*c.getRadius(); | ||
- | var | + | var A=Math.pow(d,2)*Math.PI/4; |
- | return "D="+Math.round(1000*d)/1000+" A="+Math.round(1000* | + | return "D="+Math.round(1000*d)/1000+" A="+Math.round(1000*A)/1000; |
} | } | ||
Zeile 32: | Zeile 32: | ||
return Math.round(1000*Math.pow(v_val,v_ex))/1000; | return Math.round(1000*Math.pow(v_val,v_ex))/1000; | ||
} | } | ||
+ | |||
+ | var Velo=function() | ||
+ | { | ||
+ | var d=2*c.getRadius(); | ||
+ | var A=Math.pow(d,2)*Math.PI/4; | ||
+ | var v=V_dot/3600/A; | ||
+ | return "Geschwindigkeit "+Math.round(1000*V)/1000+" m/s"; | ||
+ | } | ||
+ | |||
brd.create('text',[p1.X(),p1.Y(),Vd],{}); | brd.create('text',[p1.X(),p1.Y(),Vd],{}); | ||
+ | brd.create('text',[p1.X(),p1.Y()-5*dy,Velo],{}); | ||
brd.create('text',[pv0.X(),pv0.Y()-5*dy,V_dot],{}); | brd.create('text',[pv0.X(),pv0.Y()-5*dy,V_dot],{}); | ||
</jsxgraph> | </jsxgraph> |
Version vom 21:23, 7. 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