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/*LICENSE_START*/
/*
* Copyright 1995-2002 Washington University School of Medicine
*
* http://brainmap.wustl.edu
*
* This file is part of CARET.
*
* CARET is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CARET is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CARET; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*LICENSE_END*/
#include <sstream>
#include <QApplication>
#include <QGridLayout>
#include <QGroupBox>
#include <QLabel>
#include <QLayout>
#include <QPushButton>
#include <QTextBrowser>
#include "BrainModelVolume.h"
#include "BrainSet.h"
#include "GuiMainWindow.h"
#include "GuiVolumeTopologyReportDialog.h"
#include "QtUtilities.h"
#include "VolumeFile.h"
#include "global_variables.h"
/**
* constructor.
*/
GuiVolumeTopologyReportDialog::GuiVolumeTopologyReportDialog(QWidget* parent)
: WuQDialog(parent)
{
setWindowTitle("Topology Error Report");
defaultLabelValue = " ";
//
// Layout for dialog
//
QVBoxLayout* dialogLayout = new QVBoxLayout(this);
dialogLayout->setMargin(5);
dialogLayout->setSpacing(3);
//
// number of cavities items
//
QLabel* cavitiesLabel = new QLabel("Number of Cavities ");
numberOfCavitiesLabel = new QLabel(defaultLabelValue);
//
// number of objects items
//
QLabel* objectsLabel = new QLabel("Number of Objects ");
numberOfObjectsLabel = new QLabel(defaultLabelValue);
//
// euler count items
//
QLabel* eulerLabel = new QLabel("Euler Count");
eulerCountLabel = new QLabel(defaultLabelValue);
//
// number of holes items
//
QLabel* holesLabel = new QLabel("Number of Handles ");
numberOfHolesLabel = new QLabel(defaultLabelValue);
//
// Group box for results
//
QGroupBox* reportGroupBox = new QGroupBox("Results");
dialogLayout->addWidget(reportGroupBox);
QGridLayout* reportLayout = new QGridLayout(reportGroupBox);
reportLayout->addWidget(cavitiesLabel, 0, 0);
reportLayout->addWidget(numberOfCavitiesLabel, 0, 1);
reportLayout->addWidget(objectsLabel, 1, 0);
reportLayout->addWidget(numberOfObjectsLabel, 1, 1);
reportLayout->addWidget(eulerLabel, 2, 0);
reportLayout->addWidget(eulerCountLabel, 2, 1);
reportLayout->addWidget(holesLabel, 3, 0);
reportLayout->addWidget(numberOfHolesLabel, 3, 1);
//
// Info text browser
//
infoTextBrowser = new QTextBrowser;
QString infoText =
"<html>"
"<B>Number of Cavities</B><BR>"
"Number of cavities is the number of contiguous enclosed regions in the "
"with voxels equal to zero. "
"<P>"
"<B>Number of Objects</B><BR>"
"Number of objects is the number of disjoint (unconnected) pieces of voxels. "
"If there is more than one object, all but the largest object can be removed "
"using Volume Menu:Segmentation:Remove Islands."
"<P>"
"<B>Euler Count</B><BR>"
"An Euler Count is a formula that tells us if the voxels will form a closed surface "
"after reconstruction. A 3D closed surface will have an Euler count of 2. More "
"information about the Euler count is available at "
"http://mathworld.wolfram.com/EulerCharacteristic.html."
"<P>"
"<B>Number of Handles</B><BR>"
"The number of handles is derived using the Euler count. If there is more than one "
"object or cavities, the number of holes may be incorrect. "
"The formula used is Nodes - Links + Triangles = 2 - (2 * number_of_holes). "
"The number of holes is also known as the genus. See "
"http://mathworld.wolfram.com/Genus.html for more information. "
"<P>"
"</html>";
infoTextBrowser->setHtml(infoText);
//
// Help information box
//
QGroupBox* helpBox = new QGroupBox("Information");
dialogLayout->addWidget(helpBox);
QVBoxLayout* helpLayout = new QVBoxLayout(helpBox);
helpLayout->addWidget(infoTextBrowser);
//
// Layout for buttons
//
QHBoxLayout* buttonLayout = new QHBoxLayout;
buttonLayout->setSpacing(5);
dialogLayout->addLayout(buttonLayout);
//
// Apply button
//
QPushButton* applyButton = new QPushButton("Apply");
applyButton->setAutoDefault(false);
buttonLayout->addWidget(applyButton);
QObject::connect(applyButton, SIGNAL(clicked()),
this, SLOT(slotApplyButton()));
//
// close button
//
QPushButton* closeButton = new QPushButton("Close");
closeButton->setAutoDefault(false);
buttonLayout->addWidget(closeButton);
QObject::connect(closeButton, SIGNAL(clicked()),
this, SLOT(slotCloseButton()));
QtUtilities::makeButtonsSameSize(applyButton, closeButton);
}
/**
* destructor.
*/
GuiVolumeTopologyReportDialog::~GuiVolumeTopologyReportDialog()
{
}
/**
* show the dialog (overrides QDialog's show()).
*/
void
GuiVolumeTopologyReportDialog::show()
{
clearDialog();
WuQDialog::show();
slotApplyButton();
}
/**
* clear the dialog's data.
*/
void
GuiVolumeTopologyReportDialog::clearDialog()
{
numberOfCavitiesLabel->setText(defaultLabelValue);
numberOfObjectsLabel->setText(defaultLabelValue);
eulerCountLabel->setText(defaultLabelValue);
numberOfHolesLabel->setText(defaultLabelValue);
}
/**
* called when apply button pressed.
*/
void
GuiVolumeTopologyReportDialog::slotApplyButton()
{
clearDialog();
BrainModelVolume* bmv = theMainWindow->getBrainModelVolume();
if (bmv == NULL) {
return;
}
const VolumeFile* vf = bmv->getSelectedVolumeSegmentationFile();
if (vf == NULL) {
return;
}
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
/*
const int numCavities = vf->getNumberOfSegmentationCavities();
const int numObjects = vf->getNumberOfSegmentationObjects();
const int eulerCount = vf->getEulerNumberForSegmentationVolume();
const int numHoles = numObjects + numCavities - eulerCount; //(eulerCount - 2) / (-2);
*/
int numObjects,
numberOfCavities,
numberOfHoles,
eulerCount;
vf->getSegmentationTopologyInformation(numObjects,
numberOfCavities,
numberOfHoles,
eulerCount);
setLabel(numberOfCavitiesLabel, numberOfCavities, 0);
setLabel(numberOfObjectsLabel, numObjects, 1);
setLabel(eulerCountLabel, eulerCount, 2);
setLabel(numberOfHolesLabel, numberOfHoles, 0);
QApplication::restoreOverrideCursor();
QApplication::beep();
}
/**
* set the label with green if the value is correct, else red.
*/
void
GuiVolumeTopologyReportDialog::setLabel(QLabel* label, const int value, const int correctValue)
{
std::ostringstream str;
str << "<font color=";
if (value == correctValue) {
str << "green>";
}
else {
str << "red>";
}
str << value
<< " </font>";
if (value != correctValue) {
str << "<font color=black> (should be "
<< correctValue
<< ")</font>";
}
label->setText(str.str().c_str());
}
/**
* called when close button pressed.
*/
void
GuiVolumeTopologyReportDialog::slotCloseButton()
{
clearDialog();
QDialog::close();
}
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