VP1EtaCone::Imp Class Reference

Collaboration diagram for VP1EtaCone::Imp:

Public Member Functions
	Imp (VP1EtaCone *, SoMaterial *mat, SoSeparator *attachsep)
void	updateFields ()
void	ensureInit3DObjects ()

Public Attributes
VP1EtaCone *	theclass
SoMaterial *	material
SoSeparator *	attachSep
bool	shown
double	etaval
double	extent
SoSeparator *	sep
SoCone *	cone1
SoTranslation *	trans1
SoCone *	innercone1
SoTranslation *	innertrans1
SoCone *	cone2
SoTranslation *	trans2
SoCone *	innercone2
SoTranslation *	innertrans2

Detailed Description

Definition at line 33 of file VP1EtaCone.cxx.

Constructor & Destructor Documentation

Imp()

VP1EtaCone::Imp::Imp	(	VP1EtaCone *	tc,
		SoMaterial *	mat,
		SoSeparator *	attachsep )

Definition at line 79 of file VP1EtaCone.cxx.

  : theclass(tc), material(mat), attachSep(as), shown(false),
    etaval(1), extent(1), sep(0),
    cone1(0), trans1(0), innercone1(0), innertrans1(0),
    cone2(0), trans2(0), innercone2(0), innertrans2(0)
{
  material->ref();
  attachSep->ref();
}

Member Function Documentation

ensureInit3DObjects()

void VP1EtaCone::Imp::ensureInit3DObjects

(

)

Definition at line 90 of file VP1EtaCone.cxx.

{
  if (sep)
    return;
  theclass->messageVerbose("Building 3D objects");
  sep = new SoSeparator;
  sep->ref();
  sep->addChild(material);
 
  SoSeparator * sepfirst = new SoSeparator;
  SoSeparator * sepsecond = new SoSeparator;
 
  for ( int i = 0;i<2;++i){
    SoRotationXYZ * xf = new SoRotationXYZ();
    xf->axis=SoRotationXYZ::X;
    xf->angle = i==0 ? 90.0*SYSTEM_OF_UNITS::deg : -90*SYSTEM_OF_UNITS::deg;
    SoTranslation  * xl = new SoTranslation();
    SoCone * cone = new SoCone();
    SoTranslation  * innerxl = new SoTranslation();
    SoCone * innercone = new SoCone();
 
    if (i==0) {
      cone1 = cone;
      trans1 = xl;
      innercone1 = innercone;
      innertrans1 = innerxl;
    } else {
      cone2 = cone;
      trans2 = xl;
      innercone2 = innercone;
      innertrans2 = innerxl;
    }
 
    cone->removePart(SoCone::BOTTOM);
    innercone->removePart(SoCone::BOTTOM);
 
    SoSeparator * s(i==0?sepfirst:sepsecond);
    s->addChild(xf);
    s->addChild(xl);
    s->addChild(cone);
    s->addChild(innerxl);
    s->addChild(innercone);
    sep->addChild(s);
  }
}

updateFields()

void VP1EtaCone::Imp::updateFields

(

)

Definition at line 137 of file VP1EtaCone.cxx.

{
  ensureInit3DObjects();
  theclass->messageVerbose("Updating fields");
 
  double theta = 2*atan(exp(-fabs(etaval)));
  double tanfact = tan(theta);
  bool etaconeextentisz = (extent<0);
  double absextent = fabs(extent);
  double coneHeight,bottomRadius;
  if (etaconeextentisz) {
    coneHeight = absextent;
    bottomRadius = coneHeight*tanfact;
  } else {
    bottomRadius = absextent;
    coneHeight=bottomRadius/tanfact;
  }
 
  theclass->messageVerbose("etaval = "+str(etaval));
  theclass->messageVerbose("extent = "+str(extent));
  theclass->messageVerbose("absextent = "+str(absextent));
  theclass->messageVerbose("tanfact = "+str(tanfact));
  theclass->messageVerbose("bottomRadius = "+str(bottomRadius));
  theclass->messageVerbose("coneHeight = "+str(coneHeight));
 
  cone1->bottomRadius = bottomRadius;
  cone1->height = coneHeight;
  cone2->bottomRadius = bottomRadius;
  cone2->height = coneHeight;
  trans1->translation.setValue(0, -coneHeight/2, 0);
  trans2->translation.setValue(0, -coneHeight/2, 0);
 
  innercone1->bottomRadius = bottomRadius;
  innercone1->height = -coneHeight;
  innercone2->bottomRadius = bottomRadius;
  innercone2->height = -coneHeight;
  //To avoid render flicker from the overlapping cones, we move the inner cone slightly away from origo:
  const double epsilon = 0.50*SYSTEM_OF_UNITS::mm;
  innertrans1->translation.setValue(0, coneHeight/2+1.001*coneHeight/2+epsilon, 0);
  innertrans2->translation.setValue(0, coneHeight/2+1.001*coneHeight/2+epsilon, 0);
 
}

Member Data Documentation

attachSep

SoSeparator* VP1EtaCone::Imp::attachSep

Definition at line 40 of file VP1EtaCone.cxx.

cone1

SoCone* VP1EtaCone::Imp::cone1

Definition at line 47 of file VP1EtaCone.cxx.

cone2

SoCone* VP1EtaCone::Imp::cone2

Definition at line 51 of file VP1EtaCone.cxx.

etaval

double VP1EtaCone::Imp::etaval

Definition at line 43 of file VP1EtaCone.cxx.

extent

double VP1EtaCone::Imp::extent

Definition at line 44 of file VP1EtaCone.cxx.

innercone1

SoCone* VP1EtaCone::Imp::innercone1

Definition at line 49 of file VP1EtaCone.cxx.

innercone2

SoCone* VP1EtaCone::Imp::innercone2

Definition at line 53 of file VP1EtaCone.cxx.

innertrans1

SoTranslation* VP1EtaCone::Imp::innertrans1

Definition at line 50 of file VP1EtaCone.cxx.

innertrans2

SoTranslation* VP1EtaCone::Imp::innertrans2

Definition at line 54 of file VP1EtaCone.cxx.

material

SoMaterial* VP1EtaCone::Imp::material

Definition at line 39 of file VP1EtaCone.cxx.

sep

SoSeparator* VP1EtaCone::Imp::sep

Definition at line 46 of file VP1EtaCone.cxx.

shown

bool VP1EtaCone::Imp::shown

Definition at line 42 of file VP1EtaCone.cxx.

theclass

VP1EtaCone* VP1EtaCone::Imp::theclass

Definition at line 38 of file VP1EtaCone.cxx.

trans1

SoTranslation* VP1EtaCone::Imp::trans1

Definition at line 48 of file VP1EtaCone.cxx.

trans2

SoTranslation* VP1EtaCone::Imp::trans2

Definition at line 52 of file VP1EtaCone.cxx.

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The documentation for this class was generated from the following file:

• VP1EtaCone.cxx