G4VisCommandSceneNotifyHandlers Class Reference

#include <G4VisCommandsScene.hh>

Inheritance diagram for G4VisCommandSceneNotifyHandlers:

Public Member Functions
	G4VisCommandSceneNotifyHandlers ()
virtual	~G4VisCommandSceneNotifyHandlers ()
G4String	GetCurrentValue (G4UIcommand *command)
void	SetNewValue (G4UIcommand *command, G4String newValue)

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Detailed Description

Definition at line 116 of file G4VisCommandsScene.hh.

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Constructor & Destructor Documentation

G4VisCommandSceneNotifyHandlers::G4VisCommandSceneNotifyHandlers

(

)

Definition at line 583 of file G4VisCommandsScene.cc.

                                                                  {
  G4bool omitable;
  fpCommand = new G4UIcommand ("/vis/scene/notifyHandlers", this);
  fpCommand -> SetGuidance
    ("Notifies scene handlers and forces re-rendering.");
  fpCommand -> SetGuidance
    ("Notifies the handler(s) of the specified scene and forces a"
     "\nreconstruction of any graphical databases."
     "\nClears and refreshes all viewers of current scene."
     "\n  The default action \"refresh\" does not issue \"update\" (see"
     "\n    /vis/viewer/update)."
     "\nIf \"flush\" is specified, it issues an \"update\" as well as"
     "\n  \"refresh\" - \"update\" and initiates post-processing"
     "\n  for graphics systems which need it.");
  fpCommand -> SetGuidance 
    ("The default for <scene-name> is the current scene name.");
  fpCommand -> SetGuidance
    ("This command does not change current scene, scene handler or viewer.");
  G4UIparameter* parameter;
  parameter = new G4UIparameter ("scene-name", 's',
                                 omitable = true);
  parameter -> SetCurrentAsDefault(true);
  fpCommand -> SetParameter (parameter);
  parameter = new G4UIparameter ("refresh-flush", 's',
                                 omitable = true);
  parameter -> SetDefaultValue("refresh");
  parameter -> SetParameterCandidates("r refresh f flush");
  fpCommand -> SetParameter (parameter);
}

G4VisCommandSceneNotifyHandlers::~G4VisCommandSceneNotifyHandlers

(

)

[virtual]

Definition at line 613 of file G4VisCommandsScene.cc.

                                                                   {
  delete fpCommand;
}

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Member Function Documentation

G4String G4VisCommandSceneNotifyHandlers::GetCurrentValue

(

G4UIcommand *

command

)

[virtual]

Reimplemented from G4UImessenger.

Definition at line 617 of file G4VisCommandsScene.cc.

References G4VVisCommandScene::CurrentSceneName().

                                                                      {
  return CurrentSceneName ();
}

void G4VisCommandSceneNotifyHandlers::SetNewValue	(	G4UIcommand *	command,
		G4String	newValue
	)			[virtual]

Reimplemented from G4UImessenger.

Definition at line 621 of file G4VisCommandsScene.cc.

References G4Scene::CalculateExtent(), G4VisManager::confirmations, G4VVisCommand::fpVisManager, G4cout, G4endl, G4VSceneHandler::GetScene(), G4VisManager::GetVerbosity(), and G4VisManager::warnings.

                                                                      {

  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();

  G4String sceneName, refresh_flush;
  std::istringstream is (newValue);
  is >> sceneName >> refresh_flush;
  G4bool flush = false;
  if (refresh_flush(0) == 'f') flush = true;

  const G4SceneList& sceneList = fpVisManager -> GetSceneList ();
  G4SceneHandlerList& sceneHandlerList =
    fpVisManager -> SetAvailableSceneHandlers ();

  // Check scene name.
  const G4int nScenes = sceneList.size ();
  G4int iScene;
  for (iScene = 0; iScene < nScenes; iScene++) {
    G4Scene* scene = sceneList [iScene];
    if (sceneName == scene -> GetName ()) break;
  }
  if (iScene >= nScenes ) {
    if (verbosity >= G4VisManager::warnings) {
      G4cout << "WARNING: Scene \"" << sceneName << "\" not found."
        "\n  /vis/scene/list to see scenes."
             << G4endl;
    }
    return;
  }

  // Store current context...
  G4VSceneHandler* pCurrentSceneHandler =
    fpVisManager -> GetCurrentSceneHandler();
  if (!pCurrentSceneHandler) {
    if (verbosity >= G4VisManager::warnings) {
      G4cout << "WARNING: No current scene handler."
             << G4endl;
    }
    return;
  }
  G4VViewer* pCurrentViewer = fpVisManager -> GetCurrentViewer();
  if (!pCurrentViewer) {
    if (verbosity >= G4VisManager::warnings) {
      G4cout << "WARNING: No current viewer."
             << G4endl;
    }
    return;
  }
  G4Scene* pCurrentScene = fpVisManager -> GetCurrentScene();
  if (!pCurrentScene) {
    if (verbosity >= G4VisManager::warnings) {
      G4cout << "WARNING: No current scene."
             << G4endl;
    }
    return;
  }

  G4VisManager::Verbosity currentVerbosity = fpVisManager -> GetVerbosity();

  // Suppress messages during this process (only print errors)...
  //fpVisManager -> SetVerboseLevel(G4VisManager::errors);

  // For each scene handler, if it contains the scene, clear and
  // rebuild the graphical database, then for each viewer set (make
  // current), clear, (re)draw, and show.
  const G4int nSceneHandlers = sceneHandlerList.size ();
  for (G4int iSH = 0; iSH < nSceneHandlers; iSH++) {
    G4VSceneHandler* aSceneHandler = sceneHandlerList [iSH];
    G4Scene* aScene = aSceneHandler -> GetScene ();
    if (aScene) {
      const G4String& aSceneName = aScene -> GetName ();
      if (sceneName == aSceneName) {
        aScene->CalculateExtent();  // Check and recalculate extent
        G4ViewerList& viewerList = aSceneHandler -> SetViewerList ();
        const G4int nViewers = viewerList.size ();
        for (G4int iV = 0; iV < nViewers; iV++) {
          G4VViewer* aViewer = viewerList [iV];
          // Force rebuild of graphical database, if any.
          aViewer -> NeedKernelVisit();
          if (aViewer->GetViewParameters().IsAutoRefresh()) {
            aSceneHandler -> SetCurrentViewer (aViewer);
            // Ensure consistency of vis manager...
            fpVisManager -> SetCurrentViewer(aViewer);
            fpVisManager -> SetCurrentSceneHandler(aSceneHandler);
            fpVisManager -> SetCurrentScene(aScene);
            aViewer -> SetView ();
            aViewer -> ClearView ();
            aViewer -> DrawView ();
            if (flush) aViewer -> ShowView ();
            if (verbosity >= G4VisManager::confirmations) {
              G4cout << "Viewer \"" << aViewer -> GetName ()
                     << "\" of scene handler \"" << aSceneHandler -> GetName ()
                     << "\"\n  ";
              if (flush) G4cout << "flushed";
              else G4cout << "refreshed";
              G4cout << " at request of scene \"" << sceneName
                     << "\"." << G4endl;
            }
          } else {
            if (verbosity >= G4VisManager::confirmations) {
              G4cout << "NOTE: The scene, \""
                     << sceneName
                     << "\", of viewer \""
                     << aViewer -> GetName ()
                     << "\"\n  of scene handler \""
                     << aSceneHandler -> GetName ()
                     << "\"  has changed.  To see effect,"
                     << "\n  \"/vis/viewer/select "
                     << aViewer -> GetShortName ()
                     << "\" and \"/vis/viewer/rebuild\"."
                     << G4endl;
            }
          }
        }
      }
    }
    else {
      if (verbosity >= G4VisManager::warnings) {
        G4cout << "WARNING: G4VisCommandSceneNotifyHandlers: scene handler \""
               << aSceneHandler->GetName()
               << "\" has a null scene."
               << G4endl;
      }
    }
  }

  // Reclaim original context - but set viewer first, then scene
  // handler, because the latter might have been created very recently
  // and, not yet having a viewer, the current viewer will,
  // temporarily, refer to another scene handler.  SetCurrentViewer
  // actually resets the scene handler, which is what we don't want,
  // so we set it again on the next line...
  fpVisManager -> SetCurrentViewer(pCurrentViewer);
  fpVisManager -> SetCurrentSceneHandler(pCurrentSceneHandler);
  fpVisManager -> SetCurrentScene(pCurrentScene);
  fpVisManager -> SetVerboseLevel(currentVerbosity);
  // Take care of special case of scene handler with no viewer yet.  
  if (pCurrentSceneHandler) {
    G4ViewerList& viewerList = pCurrentSceneHandler -> SetViewerList ();
    const G4int nViewers = viewerList.size ();
    if (nViewers) {
      pCurrentSceneHandler -> SetCurrentViewer (pCurrentViewer);
      if (pCurrentViewer && pCurrentSceneHandler->GetScene()) {
        pCurrentViewer -> SetView ();
      }
    }
  }
}

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

• G4VisCommandsScene.hh
• G4VisCommandsScene.cc

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