for completeness...
-- Jo
def get_bbox_pos(obj):
pos = [0, 0, 0]
res = Application.GetBBox(obj)
xmin, ymin, zmin, xmax, ymax, zmax = res
x = (xmin + xmax) * 0.5
y = (ymin + ymax) * 0.5
z = (zmin + zmax) * 0.5
return (x, y, z)
def marker_at_center(comp):
pos = get_bbox_pos(comp)
parent = comp.SubComponent.Parent3DObject
basename = parent.Name
if len(basename) > 3 and basename[3] == "_":
basename = basename[4:]
nil =parent.Model.AddNull("MARKER_" + basename)
kine = nil.Kinematics.Global
kine.posx = pos[0]
kine.posy = pos[1]
kine.posz = pos[2]
nil.shadow_icon = 4
nil.shadow_scaleX = 0.5
nil.shadow_scaleY = 0.5
nil.shadow_scaleZ = 0.5
return None
def do_it():
selection = Application.Selection
if selection.Count > 0:
comp = selection(0)
marker_at_center(comp)
return None
do_it()
2012/7/9 Vincent Ullmann <[email protected]>
> For the Center i did a little Script some time ago....
> Sadly it only works when the Object got no Transformations on it.
> Also these RotationStuff may be incorrect
>
> To get a BoundingBox, you could try to modify this, so that it keeps the
> lowest/highest X/Y/Z-Component and Outputs them
> (See the CustomICE-Node-Example "Get BoundingBox", thats exactly the thing
> i would do in jScript to get a BoundingBox)
>
>
>
> // Get Selection
>
> var oSel = selection(0);
>
> var oSelCtr = Sel_Center(oSel);
> var vVecX = oSelCtr[0];
> var vVecY = oSelCtr[1];
> var vVecZ = oSelCtr[2];
> var vRotX = oSelCtr[3];
> var vRotY = oSelCtr[4];
> var vRotZ = oSelCtr[5];
>
>
> // ------------------------------------------------------------------------
> // Get Selection Center
>
> function Sel_Center(oSel)
> {
> var vAllVerts = 0;
> var vPosX = 0; var vPosY = 0; var vPosZ = 0;
> var vNrmX = 0; var vNrmY = 0; var vNrmZ = 0;
>
> var oSelType = oSel.Type;
> switch (oSelType)
> {
> // If Poly or Edge
> case "polySubComponent":
> case "edgeSubComponent":
> var vSubCompCount = oSel.SubComponent.ComponentCollection.Count;
> for (i=0; i<vSubCompCount; i++)
> {
> var vVertCount =
> oSel.SubComponent.ComponentCollection.Item(i).Vertices.Count;
> for (j=0; j<vVertCount; j++)
> {
> var vAllVerts = vAllVerts + 1;
> var vPosX = vPosX +
> oSel.SubComponent.ComponentCollection.Item(i).Vertices(j).Position.x;
> var vPosY = vPosY +
> oSel.SubComponent.ComponentCollection.Item(i).Vertices(j).Position.y;
> var vPosZ = vPosZ +
> oSel.SubComponent.ComponentCollection.Item(i).Vertices(j).Position.z;
> var vNrmX = vNrmX +
> oSel.SubComponent.ComponentCollection.Item(i).Vertices(j).Normal.x;
> var vNrmY = vNrmY +
> oSel.SubComponent.ComponentCollection.Item(i).Vertices(j).Normal.y;
> var vNrmZ = vNrmZ +
> oSel.SubComponent.ComponentCollection.Item(i).Vertices(j).Normal.z;
> } // for j End
> } // for i End
> break; // Case End
>
> // If Vertex
> case "pntSubComponent":
> var vAllVerts = oSel.SubComponent.ComponentCollection.Count;
> for (i=0; i<vAllVerts; i++)
> {
> var vPosX = vPosX +
> oSel.SubComponent.ComponentCollection.Item(i).Position.x;
> var vPosY = vPosY +
> oSel.SubComponent.ComponentCollection.Item(i).Position.y;
> var vPosZ = vPosZ +
> oSel.SubComponent.ComponentCollection.Item(i).Position.z;
> var vNrmX = vNrmX +
> oSel.SubComponent.ComponentCollection.Item(i).Normal.x;
> var vNrmY = vNrmY +
> oSel.SubComponent.ComponentCollection.Item(i).Normal.y;
> var vNrmZ = vNrmZ +
> oSel.SubComponent.ComponentCollection.Item(i).Normal.z;
> } // for i End
> break;
> //If Selection =/= Poly/Vertex/Edge
> default:
> var vAllVerts = 1;
> } //Switch End
>
> //Convert Normal-Direction to Rotation
> var vecWorldX = XSIMath.CreateVector3(); vecWorldX.Set (1,0,0);
> var vecWorldY = XSIMath.CreateVector3(); vecWorldY.Set (0,1,0);
> var vecWorldZ = XSIMath.CreateVector3(); vecWorldZ.Set (0,0,1);
>
> var vecNrmX = XSIMath.CreateVector3(); vecNrmX.Set ( vNrmX/vAllVerts,
> vNrmY/vAllVerts, vNrmZ/vAllVerts);
> var vecNrmY = XSIMath.CreateVector3(); vecNrmY.Set ( 0, vNrmY/vAllVerts,
> vNrmZ/vAllVerts);
> var vecNrmZ = XSIMath.CreateVector3(); vecNrmZ.Set ( 0, 0,
> vNrmZ/vAllVerts);
> var vRotX = vecNrmX.Dot (vecWorldX);
> var vRotY = vecNrmY.Dot (vecWorldY);
> var vRotZ = vecNrmZ.Dot (vecWorldZ);
>
> LogMessage ("Position: X: " + vPosX/vAllVerts + " / Y: " + vPosY/vAllVerts
> + " / Z: " + vPosZ/vAllVerts);
> LogMessage ("Rotation: X: " + vRotX + " / Y: " + vRotY + " / Z: " +
> vRotZ);
> return [vPosX/vAllVerts, vPosY/vAllVerts, vPosZ/vAllVerts, vRotX, vRotY,
> vRotZ]
> }
> // ------------------------------------------------------------------------
>
