Add missing people colour and transparency functions

graphics/VP1/VP1Systems/VP1GuideLineSystems/VP1GuideLineSystems/GuideSysController.h

@@ -77,6 +77,7 @@ public:
 
   //People:
   bool showPeople() const;
+  SbColor4f peopleColourAndTransp() const;
   double peopleZPos() const;
   double peopleVerticalPos() const;
 
@@ -138,6 +139,7 @@ signals:
   void floorHeightChanged(const double&);
   void showLettersChanged(bool);
   void showPeopleChanged(bool);
+  void peopleColourAndTranspChanged( const SbColor4f& );
   void lettersZPosChanged(const double&);
   void lettersVerticalPosChanged(const double&);
   void peopleVerticalPosChanged(const double&);
@@ -186,6 +188,7 @@ private Q_SLOTS:
   void possibleChange_floorHeight();
   void possibleChange_showLetters();
   void possibleChange_showPeople();
+  void possibleChange_peopleColourAndTransp();
   void possibleChange_lettersZPos();
   void possibleChange_lettersVerticalPos();
   void possibleChange_peopleVerticalPos();

graphics/VP1/VP1Systems/VP1GuideLineSystems/VP1GuideLineSystems/VP1People.h

@@ -19,6 +19,7 @@
 
 #include "VP1Base/VP1HelperClassBase.h"
 #include <QObject>
+#include <Inventor/SbColor4f.h>
 
 class SoMaterial;
 class SoSeparator;
@@ -38,6 +39,7 @@ public Q_SLOTS:
   void setShown(bool);//will attach/detach itself from attachsep depending on this
   void setZPos(const double&);
   void setVerticalPosition(const double&);
+  void setColourAndTransp(const SbColor4f&);
 
 private:
   class Imp;

graphics/VP1/VP1Systems/VP1GuideLineSystems/src/VP1GuideLineSystem.cxx

@@ -176,6 +176,8 @@ void VP1GuideLineSystem::buildPermanentSceneGraph(StoreGateSvc* /*detstore*/, So
   m_d->people->setVerticalPosition(m_d->controller->peopleVerticalPos());
   connect(m_d->controller,SIGNAL(showPeopleChanged(bool)),m_d->people,SLOT(setShown(bool)));
   m_d->people->setShown(m_d->controller->showPeople());
+  connect(m_d->controller,SIGNAL(peopleColourAndTranspChanged( const SbColor4f&)),m_d->people,SLOT(setColourAndTransp(const SbColor4f&)));
+  m_d->people->setColourAndTransp(m_d->controller->peopleColourAndTransp());
   
   //Coordinate axes:
   m_d->coordinateaxes = new VP1CoordinateAxes(m_d->controller->xAxisMaterial(),

graphics/VP1/VP1Systems/VP1GuideLineSystems/src/VP1People.cxx

@@ -66,6 +66,7 @@ public:
   double getScaleFactor(SoNode* node, double desiredHeight);
 
   bool shown;
+  SbColor4f colourAndTransp;
   double zpos;
   double vertpos;
 
@@ -76,6 +77,8 @@ public:
 
   void updateFields();
   void ensureInit3DObjects();
+  void updateColour();
+
 };
 
 //____________________________________________________________________
@@ -345,6 +348,20 @@ void VP1People::Imp::updateFields()
   trans3->translation.setValue(8*SYSTEM_OF_UNITS::m, vertpos, zpos-10*SYSTEM_OF_UNITS::m); // x,y,z
 }
 
+//____________________________________________________________________
+void VP1People::Imp::updateColour()
+{
+  theclass->messageVerbose("Updating packed colour");
+  if (!sep||sep->getNumChildren()<1)
+    return;
+  SoNode * n = sep->getChild(0);
+  if (!n||n->getTypeId()!=SoVRMLMaterial::getClassTypeId())
+    return;
+
+  SoVRMLMaterial* matVRML = static_cast<SoVRMLMaterial*>(n);
+  matVRML->diffuseColor.setValue( colourAndTransp.getValue() );
+}
+
 //____________________________________________________________________
 void VP1People::setShown(bool b)
 {
@@ -362,6 +379,17 @@ void VP1People::setShown(bool b)
   }
 }
 
+//____________________________________________________________________
+void VP1People::setColourAndTransp(const SbColor4f&ct)
+{
+  messageVerbose("Signal received in setColourAndTransp slot.");
+  if (m_d->colourAndTransp==ct)
+    return;
+  m_d->colourAndTransp=ct;
+  if (m_d->shown)
+    m_d->updateColour();
+}
+
 //____________________________________________________________________
 void VP1People::setZPos(const double&p)
 {