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Changing the coordinate base...

Changing the coordinate base...

(OP)
Hello, all!

My problem: I need a bar with a marker on it showing the quantity of something. (something like the one in attachment)
It should be a PROTO to produce a dozen of them for a database e.g.

The bar itself is easy. But the marker and the text! My current problem is: how can I let the bar start at 0 0 0? And not having it's center point at 0 0 0.

 

RE: Changing the coordinate base...

(OP)
OK, so long I didn't found out how it could be done.
Though a work-around exists. I put a Script-Node in the Transform-Node of the bar:

CODE

DEF BarTrans Transform {
 children [
  Shape {
   appearance Appearance {
    material Material {
   }
  }
  geometry DEF BarGeo Box {
   size IS newsize
  }
 }

 Script {
  field SFNode bnd USE BarTrans
  field SFNode bnd_geo USE BarGeo
  field SFVec3f pos 0 0 0

  url "javascript:
   function initialize () {
    pos = bnd_geo.size;
    pos[0] = 0;
    pos[1] = pos[1]/2;
    pos[2] = 0;
    bnd.translation = pos;
   }
  "
  }

 ]
}

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