G4VisCommandViewerInterpolate Class Reference

#include <G4VisCommandsViewer.hh>

Inheritance diagram for G4VisCommandViewerInterpolate:

Collaboration diagram for G4VisCommandViewerInterpolate:

Public Member Functions
	G4VisCommandViewerInterpolate ()
virtual	~G4VisCommandViewerInterpolate ()
G4String	GetCurrentValue (G4UIcommand *command)
void	SetNewValue (G4UIcommand *command, G4String newValue)
Public Member Functions inherited from G4VVisCommandViewer
	G4VVisCommandViewer ()
virtual	~G4VVisCommandViewer ()
Public Member Functions inherited from G4VVisCommand
	G4VVisCommand ()
virtual	~G4VVisCommand ()
Public Member Functions inherited from G4UImessenger
	G4UImessenger ()
	G4UImessenger (const G4String &path, const G4String &dsc, G4bool commandsToBeBroadcasted=true)
virtual	~G4UImessenger ()
G4bool	operator== (const G4UImessenger &messenger) const
G4bool	CommandsShouldBeInMaster () const

Additional Inherited Members
Static Public Member Functions inherited from G4VVisCommand
static void	SetVisManager (G4VisManager *)
static const G4Colour &	GetCurrentColour ()
static G4double	GetCurrentLineWidth ()
static const G4Colour &	GetCurrentTextColour ()
static G4Text::Layout	GetCurrentTextLayout ()
static G4double	GetCurrentTextSize ()
Protected Member Functions inherited from G4VVisCommandViewer
void	SetViewParameters (G4VViewer *, const G4ViewParameters &)
void	RefreshIfRequired (G4VViewer *)
Protected Member Functions inherited from G4VVisCommand
void	UpdateVisManagerScene (const G4String &sceneName="")
Protected Member Functions inherited from G4UImessenger
G4String	ItoS (G4int i)
G4String	DtoS (G4double a)
G4String	BtoS (G4bool b)
G4int	StoI (G4String s)
G4double	StoD (G4String s)
G4bool	StoB (G4String s)
void	AddUIcommand (G4UIcommand *newCommand)
void	CreateDirectory (const G4String &path, const G4String &dsc, G4bool commandsToBeBroadcasted=true)
template<typename T >
T *	CreateCommand (const G4String &cname, const G4String &dsc)
Static Protected Member Functions inherited from G4VVisCommand
static G4String	ConvertToString (G4double x, G4double y, const char *unitName)
static void	ConvertToDoublePair (const G4String &paramString, G4double &xval, G4double &yval)
Protected Attributes inherited from G4UImessenger
G4UIdirectory *	baseDir
G4String	baseDirName
G4bool	commandsShouldBeInMaster
Static Protected Attributes inherited from G4VVisCommand
static G4VisManager *	fpVisManager = 0
static G4int	fErrorCode = 0
static G4Colour	fCurrentColour = G4Colour::White()
static G4double	fCurrentLineWidth = 1.
static G4Colour	fCurrentTextColour = G4Colour::Blue()
static G4Text::Layout	fCurrentTextLayout = G4Text::left
static G4double	fCurrentTextSize = 12.
static G4ModelingParameters::PVNameCopyNoPath	fCurrentTouchablePath

Detailed Description

Definition at line 197 of file G4VisCommandsViewer.hh.

Constructor & Destructor Documentation

G4VisCommandViewerInterpolate::G4VisCommandViewerInterpolate

(

)

Definition at line 965 of file G4VisCommandsViewer.cc.

                                                              {
  G4bool omitable;
  fpCommand = new G4UIcommand ("/vis/viewer/interpolate", this);
  fpCommand -> SetGuidance
  ("Interpolate views defined by the first argument, which can contain "
   "Unix-shell-style pattern matching characters such as '*', '?' and '[' "
   "- see \"man sh\" and look for \"Pattern Matching\". The contents "
   "of each file are assumed to be \"/vis/viewer\" commands "
   "that specify a particular view. The files are processed in alphanumeric "
   "order of filename. The files may be written by hand or produced by the "
   "\"/vis/viewer/save\" command.");
  fpCommand -> SetGuidance
  ("The default is to search the working directory for files with a .g4view "
   "extension. Another procedure is to assemble view files in a subdirectory, "
   "e.g., \"myviews\"; then they can be interpolated with\n"
   "\"/vis/viewer/interpolate myviews/*\".");
  fpCommand -> SetGuidance
  ("To export interpolated views to file for a future possible movie, "
   "write \"export\" as 5th parameter (OpenGL only).");
  G4UIparameter* parameter;
  parameter = new G4UIparameter("pattern", 's', omitable = true);
  parameter -> SetGuidance("Pattern that defines the view files.");
  parameter -> SetDefaultValue("*.g4view");
  fpCommand -> SetParameter(parameter);
  parameter = new G4UIparameter("no-of-points", 'i', omitable = true);
  parameter -> SetGuidance ("Number of interpolation points per interval.");
  parameter -> SetDefaultValue(50);
  fpCommand -> SetParameter(parameter);
  parameter = new G4UIparameter("wait-time", 's', omitable = true);
  parameter -> SetGuidance("Wait time per interpolated point");
  parameter -> SetDefaultValue("20.");
  fpCommand -> SetParameter(parameter);
  parameter = new G4UIparameter("time-unit", 's', omitable = true);
  parameter -> SetDefaultValue("millisecond");
  fpCommand -> SetParameter (parameter);
  parameter = new G4UIparameter("export", 's', omitable = true);
  parameter -> SetDefaultValue("no");
  fpCommand -> SetParameter (parameter);
}

G4VisCommandViewerInterpolate::~G4VisCommandViewerInterpolate ( )

virtual

Definition at line 1005 of file G4VisCommandsViewer.cc.

                                                               {
  delete fpCommand;
}

Member Function Documentation

G4String G4VisCommandViewerInterpolate::GetCurrentValue ( G4UIcommand *  command )

virtual

Reimplemented from G4UImessenger.

Definition at line 1009 of file G4VisCommandsViewer.cc.

                                                                     {
  return "";
}

void G4VisCommandViewerInterpolate::SetNewValue ( G4UIcommand *  command, G4String  newValue  )

virtual

Reimplemented from G4UImessenger.

Definition at line 1013 of file G4VisCommandsViewer.cc.

                                                                                {

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

  G4VViewer* currentViewer = fpVisManager->GetCurrentViewer();
  if (!currentViewer) {
    if (verbosity >= G4VisManager::errors) {
      G4cerr <<
      "ERROR: G4VisCommandViewerInterpolate::SetNewValue: no current viewer."
         << G4endl;
    }
    return;
  }

  G4String pattern;
  G4int nInterpolationPoints;
  G4String waitTimePerPointString;
  G4String timeUnit;
  G4String exportString;

  std::istringstream iss (newValue);
  iss
  >> pattern
  >> nInterpolationPoints
  >> waitTimePerPointString
  >> timeUnit
  >> exportString;
  G4String waitTimePerPointDimString(waitTimePerPointString + ' ' + timeUnit);
  const G4double waitTimePerPoint =
  G4UIcommand::ConvertToDimensionedDouble(waitTimePerPointDimString.c_str());
  G4int waitTimePerPointmilliseconds = waitTimePerPoint/millisecond;
  if (waitTimePerPointmilliseconds < 0) waitTimePerPointmilliseconds = 0;

  G4UImanager* uiManager = G4UImanager::GetUIpointer();

  // Save current view parameters
  G4ViewParameters saveVP = currentViewer->GetViewParameters();

  // Save current verbosities
  G4VisManager::Verbosity keepVisVerbosity = fpVisManager->GetVerbosity();
  G4int keepUIVerbosity = uiManager->GetVerboseLevel();

  // Set verbosities for this operation
  fpVisManager->SetVerboseLevel(G4VisManager::errors);
  uiManager->SetVerboseLevel(0);

  // Switch off auto-refresh while we read in the view files (it will be
  // restored later).  Note: the view files do not set auto-refresh.
  G4ViewParameters non_auto = saveVP;
  non_auto.SetAutoRefresh(false);
  currentViewer->SetViewParameters(non_auto);

  // View vector of way points
  std::vector<G4ViewParameters> viewVector;

  const G4int safety = 9999;
  G4int safetyCount = 0;
  G4String pathname;

#ifndef WIN32

  // Execute pattern and get resulting list of filles
  G4String shellCommand = "echo " + pattern;
  FILE *filelist = popen(shellCommand.c_str(), "r");
  if (!filelist) {
    if (verbosity >= G4VisManager::errors) {
      G4cerr
      << "ERROR: G4VisCommandViewerInterpolate::SetNewValue:"
      << "\n  Error obtaining pipe."
         << G4endl;
    }
    return;
  }

  // Build view vector of way points
  const size_t BUFLENGTH = 999999;
  char buf[BUFLENGTH];
  fgets(buf, BUFLENGTH, filelist);
  std::istringstream fileliststream(buf);
  while (fileliststream >> pathname
         && safetyCount++ < safety) {  // Loop checking, 16.02.2016, J.Allison
    uiManager->ApplyCommand("/control/execute " + pathname);
    viewVector.push_back(currentViewer->GetViewParameters());
  }
  pclose(filelist);

#else // WIN32 (popen is not available in Windows)

  std::experimental::filesystem::v1::path filePattern(pattern);

  // Default pattern : *.g4view
  // Translated to a regexp : ^.*\\.g4view
  // Convert pattern into a regexp
  std::string regexp_pattern("^" + filePattern.filename().string());
  std::string result_pattern = "";
  // Replace '.' by "\\."
  size_t currentPos = 0;
  size_t nextPos = 0;
  std::string currentReplacement = "";
  size_t pos1 = regexp_pattern.find('.', nextPos);
  size_t pos2 = regexp_pattern.find('*', nextPos);
  size_t pos3 = regexp_pattern.find('?', nextPos);
  while ((pos1 != std::string::npos) || (pos2 != std::string::npos) || (pos3 != std::string::npos)) {
    nextPos = pos1;
    currentReplacement = "\\.";
    if (pos2 < nextPos) {
      nextPos = pos2;
      currentReplacement = ".*";
    }
    if (pos3 < nextPos) {
      nextPos = pos3;
      currentReplacement = "(.{1,1})";
    }
    result_pattern += regexp_pattern.substr(currentPos, nextPos - currentPos) + currentReplacement;
    nextPos++;
    currentPos = nextPos;
    pos1 = regexp_pattern.find('.', currentPos);
    pos2 = regexp_pattern.find('*', currentPos);
    pos3 = regexp_pattern.find('?', currentPos);
  }
  result_pattern += regexp_pattern.substr(currentPos);

  // Build view vector of way points
  // Add "./" for empty paths
  G4String parentPath(filePattern.parent_path().string().length() ? filePattern.parent_path().string() : std::string("./"));
  // Iterate through files in directory and apply regex match to filter appropriate files
  std::regex result_pattern_regex (result_pattern, std::regex_constants::basic | std::regex_constants::icase);
  for (auto iter = std::experimental::filesystem::v1::directory_iterator(parentPath);
       iter != std::experimental::filesystem::v1::directory_iterator() && safetyCount++ < safety;
       ++iter)
  {
    const auto& file = iter->path();

    G4String filename(file.filename().string());
    if (std::regex_match(filename, result_pattern_regex))
    {
      uiManager->ApplyCommand("/control/execute " + filename);
      viewVector.push_back(currentViewer->GetViewParameters());
    }
  }

#endif // WIN32

  if (safetyCount >= safety) {
    if (verbosity >= G4VisManager::errors) {
      G4cout <<
      "/vis/viewer/interpolate:"
      "\n  the number of way points exceeds the maximum currently allowed: "
      << safety << G4endl;
    }
    return;
  }

  // Interpolate views
  safetyCount = 0;
  do {
    G4ViewParameters* vp =
    G4ViewParameters::CatmullRomCubicSplineInterpolation(viewVector,nInterpolationPoints);
    if (!vp) break;  // Finished.
    // Set original auto-refresh status.
    vp->SetAutoRefresh(saveVP.IsAutoRefresh());
    currentViewer->SetViewParameters(*vp);
    currentViewer->RefreshView();
    if (exportString == "export" &&
        currentViewer->GetName().contains("OpenGL"))
      uiManager->ApplyCommand("/vis/ogl/export");
#ifdef G4VIS_USE_STD11
    if (waitTimePerPointmilliseconds > 0)
      std::this_thread::sleep_for(std::chrono::milliseconds(waitTimePerPointmilliseconds));
#endif
  } while (safetyCount++ < safety);  // Loop checking, 16.02.2016, J.Allison

  // Restore original verbosities
  uiManager->SetVerboseLevel(keepUIVerbosity);
  fpVisManager->SetVerboseLevel(keepVisVerbosity);

  // Restore original view parameters
  currentViewer->SetViewParameters(saveVP);
  currentViewer->RefreshView();
  if (verbosity >= G4VisManager::confirmations) {
    G4cout << "Viewer \"" << currentViewer -> GetName () << "\""
    << " restored." << G4endl;
  }
}

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

• geant4.10.03.p01/source/visualization/management/include/G4VisCommandsViewer.hh
• geant4.10.03.p01/source/visualization/management/src/G4VisCommandsViewer.cc