#include <vector>
#include <list>
#include <string>
#include <cmath>
#include <TEveElement.h>
#include <TEveGeoNode.h>
#include <TGeoNode.h>
#include "eve_macros.h"

Functions
TEveGeoShape *	clone (const TEveElement element, TEveElement parent)

void	expand_node (TEveElement *element)

const char *	get_name (const TEveElement *element)

const TGeoShape *	get_shape (const TEveElement *element)

TGeoShape *	get_shape (TEveElement *element)

const char *	get_title (const TEveElement *element)

TGeoMatrix *	get_transform (const TEveElement *element)

void	hide_tracker_endcap (TEveElement *tracker)

bool	is_leaf_node (const TEveElement *element)

void	set_children_visibility (TEveElement *element, const std::string &node_name, const std::vector< std::string > &children_name, bool visibility)

void	set_color (TEveElement *element, Color_t color, float alpha, unsigned int levels)

void	set_tracker_endcap_visibility (TEveElement *tracker, bool visibility)

void	show_tracker_endcap (TEveElement *tracker)

Function Documentation

TEveGeoShape* clone	(	const TEveElement *	element,
		TEveElement *	parent
	)

Definition at line 135 of file eve_macros.cc.

References clone(), extract(), get_name(), get_shape(), get_title(), get_transform(), and makeMuonMisalignmentScenario::matrix.

 {
   TEveGeoShape* shape = new TEveGeoShape( get_name(element), get_title(element) );
 
   std::unique_ptr<TGeoMatrix> matrix( get_transform(element) );
   shape->SetTransMatrix( matrix.get() );
   delete matrix;
 
   TEveGeoShapeExtract extract;                  // FIXME put name and title here...
   extract.SetShape( (TGeoShape *) get_shape(element)->Clone() );
   extract.SetTrans( trans.Array() );
   extract.SetRnrSelf( true );
   extract.SetRnrElements( true );
 
   TEveGeoShape * clone = TEveGeoShape::ImportShapeExtract( &extract, parent );
   return clone;
 }

void expand_node ( TEveElement * element )

Definition at line 43 of file eve_macros.cc.

References GetRecoTauVFromDQM_MC_cff::next.

Referenced by node_filter(), and set_color().

 {
   // force a TEveGeoNode to load all its children
   if (TEveGeoNode * node = dynamic_cast<TEveGeoNode *>( element )) {
     if (node->GetNChildren() == 0 && node->GetNode()->GetVolume()->GetNdaughters() > 0) {
       TIter next(node->GetNode()->GetVolume()->GetNodes());
       TGeoNode* dnode;
       while ((dnode = (TGeoNode*) next()) != 0) {
         TEveGeoNode* node_re = new TEveGeoNode(dnode);
         node->AddElement(node_re);
       }
     }
     return;
   }
   // a TEveGeoShape is always exanded
   //if (TEveGeoShape * shape __attribute__ ((unused)) = dynamic_cast<TEveGeoShape *>( element )) {
   //  return;
   //}
   // a generic TEveElement has no knwledge on children expansion
   return;
 }

const char* get_name ( const TEveElement * element )

Definition at line 13 of file eve_macros.cc.

Referenced by apply_filter(), clone(), get_root_object(), and set_children_visibility().

                                                     {
   // try as a TEveGeoNode or TEveGeoShape
   if (const TEveGeoNode * node = dynamic_cast<const TEveGeoNode *>( element ))
     return node->GetName();
   if (const TEveGeoShape * shape = dynamic_cast<const TEveGeoShape *>( element ))
     return shape->GetName();
 
   // try to access the element as a generic named object
   if (const TNamed * named = dynamic_cast<const TNamed *>( element ))
     return named->GetName();
 
   return 0;
 }

const TGeoShape* get_shape ( const TEveElement * element )

Definition at line 66 of file eve_macros.cc.

Referenced by clone().

                                                            {
   // a TEveGeoNode, can look into its TGeoNode and retrieve the shape
   if (const TEveGeoNode * node = dynamic_cast<const TEveGeoNode *>( element )) {
     return node->GetNode()->GetVolume()->GetShape();
   }
   // a TEveGeoShape owns its shape
   if (const TEveGeoShape * shape = dynamic_cast<const TEveGeoShape *>( element )) {
     TEveGeoShape * nc_shape = const_cast<TEveGeoShape *>( shape );
     return const_cast<const TGeoShape *>( nc_shape->GetShape() );
   }
   // a TEveElement is too generic, no way to get a shape
   return 0;
 }

TGeoShape* get_shape ( TEveElement * element )

Definition at line 81 of file eve_macros.cc.

                                                {
   // a TEveGeoNode cannot modify its shape
   //if (const TEveGeoNode * node __attribute__ ((unused)) = dynamic_cast<const TEveGeoNode *>( element )) {
   //  return 0;
   //}
   // a TEveGeoShape owns its shape, and can modifiy it
   if (TEveGeoShape * shape = dynamic_cast<TEveGeoShape *>( element )) {
     return shape->GetShape();
   }
   // a TEveElement is too generic, no way to get a shape
   return 0;
 }

const char* get_title ( const TEveElement * element )

Definition at line 28 of file eve_macros.cc.

Referenced by clone().

                                                      {
   // try as a TEveGeoNode or TEveGeoShape
   if (const TEveGeoNode * node = dynamic_cast<const TEveGeoNode *>( element ))
     return node->GetTitle();
   if (const TEveGeoShape * shape = dynamic_cast<const TEveGeoShape *>( element ))
     return shape->GetTitle();
 
   // try to access the element as a generic named object
   if (const TNamed * named = dynamic_cast<const TNamed *>( element ))
     return named->GetTitle();
 
   return 0;
 }

TGeoMatrix* get_transform ( const TEveElement * element )

Definition at line 95 of file eve_macros.cc.

References mps_fire::i, makeMuonMisalignmentScenario::matrix, and class-composition::nodes.

Referenced by clone().

                                                           {
   if (const TEveGeoNode * node = dynamic_cast<const TEveGeoNode *>( element )) {
     // a TEveGeoNode is a proxy to a TGeoNode, which knows its relative transformation wrt. its parent
     // so we follow the TEveGeoNode hierarchy up to a TEveGeoTopNode, then jump to its TGeoManager, and go back down the branches to the TEveGeoNode's TGeoNode
     std::vector< const TEveGeoNode * > nodes;
     const TEveGeoTopNode * top = 0;
 
     while ((top = dynamic_cast<const TEveGeoTopNode *>( node )) == 0) {
       // save the current node
       nodes.push_back(node);
 
       // check that the node actually has any parents
       TEveGeoNode * nc_node = const_cast<TEveGeoNode *>( node );
       if (nc_node->BeginParents() == nc_node->EndParents())
         return 0;
 
       // assume the firt parent is the good one, and check that the parent type is correct
       node = dynamic_cast<const TEveGeoNode *>( * nc_node->BeginParents() );
       if (node == 0)
         return 0;
     }
     // reached the top level node, start from its (optional) global transormation
     TGeoHMatrix * matrix = new TGeoHMatrix();
     (const_cast<TEveGeoTopNode *>(top))->RefGlobalTrans().SetGeoHMatrix( *matrix );
     for (unsigned int i = 0; i < nodes.size(); ++i)
       *matrix *= *(nodes[i]->GetNode()->GetMatrix());
     return matrix;
   }
 
   if (const TEveGeoShape * shape = dynamic_cast<const TEveGeoShape *>( element )) {
     // a TEveGeoShape knows the absolute transformation of its shape
     TGeoHMatrix * matrix = new TGeoHMatrix();
     (const_cast<TEveGeoShape *>(shape))->RefHMTrans().SetGeoHMatrix( *matrix );
     return matrix;
   }
 
   return 0;
 }

void hide_tracker_endcap ( TEveElement * tracker )

Definition at line 244 of file eve_macros.cc.

References set_tracker_endcap_visibility().

 {
   set_tracker_endcap_visibility( tracker, false );
 }

bool is_leaf_node ( const TEveElement * element )

Definition at line 177 of file eve_macros.cc.

Referenced by set_children_visibility().

 {
   // a TEveGeoNode can have unaccounted-for children
   if (const TEveGeoNode * node = dynamic_cast<const TEveGeoNode *>( element )) {
     return ((node->GetNChildren() == 0) and (node->GetNode()->GetVolume()->GetNdaughters() == 0));
   }
   // a TEveGeoShape always knows its children
   if (const TEveGeoShape * shape = dynamic_cast<const TEveGeoShape *>( element )) {
     return (shape->GetNChildren() == 0);
   }
   // default implementation
   return (element->GetNChildren() == 0);
 }

void set_children_visibility	(	TEveElement *	element,
		const std::string &	node_name,
		const std::vector< std::string > &	children_name,
		bool	visibility
	)

Definition at line 193 of file eve_macros.cc.

References get_name(), mps_fire::i, is_leaf_node(), dqmiolumiharvest::j, mergeVDriftHistosByStation::name, or, and findQualityFiles::size.

Referenced by set_tracker_endcap_visibility().

 {
   // try to access the element as a named thingy
   const char * name = get_name( element );
   if (not name or strncmp(name, node_name.c_str(), node_name.size()))
     // unnamed node, or wrong node
     return;
 
   for (std::list<TEveElement *>::iterator j = element->BeginChildren(); j != element->EndChildren(); ++j) {
     TEveElement * child = *j;
     name = get_name( child );
     if (not name)
       // unnamed node, ignore it
       continue;
 
     for (unsigned int i = 0; i < children_name.size(); ++i)
       if (not strncmp(name, children_name[i].c_str(), children_name[i].size())) {
         // change this child visibility
         if (is_leaf_node( child )) {
           child->SetRnrSelf( visibility );
           child->SetRnrChildren( false );
         } else {
           child->SetRnrSelf( false );
           child->SetRnrChildren( visibility );
         }
         break;
       }
   }
   // notify the element that is had changed
   element->ElementChanged(true, true);
 }

void set_color	(	TEveElement *	element,
		Color_t	color,
		float	alpha,
		unsigned int	levels
	)

Definition at line 154 of file eve_macros.cc.

References expand_node(), mps_fire::i, and set_color().

Referenced by set_color().

 {
   if (not element)
     return;
 
   // set this node's color
   element->SetMainColor( color );
   if (alpha > 1.) alpha = 1.;
   if (alpha < 0.) alpha = 0.;
   unsigned char transparency = (unsigned char) roundf(100. - (alpha * 100.));
   element->SetMainTransparency( transparency );
 
   if (levels > 0) {
     // set the node's children's color
     expand_node( element );
     for (std::list<TEveElement*>::iterator i = element->BeginChildren(); i != element->EndChildren(); ++i)
       set_color( *i, color, alpha, levels - 1);
   }
   // notify the element that it has changed
   element->ElementChanged(true, true);
 }

void set_tracker_endcap_visibility	(	TEveElement *	tracker,
		bool	visibility
	)

Definition at line 226 of file eve_macros.cc.

References Reference_intrackfit_cff::endcap, and set_children_visibility().

Referenced by hide_tracker_endcap(), and show_tracker_endcap().

 {
   std::vector<std::string> endcap;
   endcap.push_back("tec:TEC");
   endcap.push_back("tidf:TIDF");
   endcap.push_back("tidb:TIDB");
   endcap.push_back("pixfwd:PixelForwardZPlus");
   endcap.push_back("pixfwd:PixelForwardZMinus");
   set_children_visibility( tracker, "tracker:Tracker", endcap, visibility );
 }

void show_tracker_endcap ( TEveElement * tracker )

Definition at line 238 of file eve_macros.cc.

References set_tracker_endcap_visibility().

 {
   set_tracker_endcap_visibility( tracker, true );
 }

Functions

Function Documentation