QnetPointRegistrationErrorFilter.cpp

#include "QnetPointRegistrationErrorFilter.h"

#include <QtGui>

#include "QnetNavTool.h"
#include "ControlNet.h"
#include "ControlMeasure.h"
#include "ControlMeasureLogData.h"
#include "ControlPoint.h"
#include "Statistics.h"

namespace Isis {
  QnetPointRegistrationErrorFilter::QnetPointRegistrationErrorFilter(QnetNavTool *navTool,
      QWidget *parent) : QnetFilter(navTool, parent) {
    m_lessThanCB = NULL;
    m_greaterThanCB = NULL;
    m_lessErrorEdit = NULL;
    m_greaterErrorEdit = NULL;

    // Create the components for the filter window
    QLabel *label = new QLabel("Registration Pixel Errors");
    m_lessThanCB = new QCheckBox("Less than");
    m_lessErrorEdit = new QLineEdit();
    m_greaterThanCB = new QCheckBox("Greater than");
    m_greaterErrorEdit = new QLineEdit();
    QLabel *pixels = new QLabel("pixels");
    QLabel *pad = new QLabel();

    m_lessThanCB->setChecked(false);
    m_lessErrorEdit->setEnabled(false);
    m_greaterThanCB->setChecked(true);
    m_greaterErrorEdit->setEnabled(true);

    connect(m_lessThanCB, SIGNAL(clicked()), this, SLOT(clearEdit()));
    connect(m_greaterThanCB, SIGNAL(clicked()), this, SLOT(clearEdit()));

    // Create the layout and add the components to it
    QGridLayout *gridLayout = new QGridLayout();
    gridLayout->addWidget(label, 0, 0, 1, 2);
    gridLayout->addWidget(m_lessThanCB, 1, 0, 1, 2);
    gridLayout->addWidget(m_lessErrorEdit, 2, 0);
    gridLayout->addWidget(pixels, 2, 1);
    gridLayout->addWidget(m_greaterThanCB, 3, 0, 1, 2);
    gridLayout->addWidget(m_greaterErrorEdit, 4, 0);
    gridLayout->addWidget(pixels, 4, 1);
    gridLayout->addWidget(pad, 5, 0);
    gridLayout->setRowStretch(5, 50);
    this->setLayout(gridLayout);
  }

  void QnetPointRegistrationErrorFilter::filter() {
    // Make sure we have a list of control points to filter
    if (controlNet() == NULL) {
      QMessageBox::information((QWidget *)parent(),
          "Error", "No points to filter");
      return;
    }

    // Make sure the user entered a value to use in the filtering
    double lessNum = -1.;
    if (m_lessThanCB->isChecked() && m_lessErrorEdit->text() == "") {
      QMessageBox::information((QWidget *)parent(),
          "Error", "Error value must be entered");
      return;
    }
    double greaterNum = -1.;
    if (m_greaterThanCB->isChecked() && m_greaterErrorEdit->text() == "") {
      QMessageBox::information((QWidget *)parent(),
          "Error", "Error value must be entered");
      return;
    }

    // Get the user entered filtering value
    lessNum = m_lessErrorEdit->text().toDouble();
    greaterNum = m_greaterErrorEdit->text().toDouble();

    QMultiMap <double, int> pointMap;
    // Loop through each value of the filtered points list comparing the error
    // of its corresponding point with error the user entered value and remove
    // it from the filtered list if it is outside the filtering range Loop in
    // reverse order since removal list of elements affects index number
    for (int i = filteredPoints().size() - 1; i >= 0; i--) {
      ControlPoint &cp = *(*controlNet())[filteredPoints()[i]];
//      double maxPixelError = calculateMaxError(cp);
      double maxPixelError =
                  cp.GetStatistic(&ControlMeasure::GetPixelShift).Maximum();
      if (m_lessThanCB->isChecked() && m_greaterThanCB->isChecked()) {
        if (maxPixelError < lessNum && maxPixelError > greaterNum) {
          pointMap.insert(maxPixelError, filteredPoints()[i]);
          continue;
        }
        else
          filteredPoints().removeAt(i);
      }
      else if (m_lessThanCB->isChecked()) {
        if (maxPixelError < lessNum) {
          pointMap.insert(maxPixelError, filteredPoints()[i]);
          continue;
        }
        else
          filteredPoints().removeAt(i);
      }
      else if (m_greaterThanCB->isChecked()) {
        if (maxPixelError > greaterNum) {
          pointMap.insert(maxPixelError, filteredPoints()[i]);
          continue;
        }
        else
          filteredPoints().removeAt(i);
      }
    }

    int filteredIndex = 0;
    QMultiMap<double, int>::const_iterator i = pointMap.constEnd();
    while (i != pointMap.constBegin()) {
      --i;
      filteredPoints()[filteredIndex] = i.value();
      filteredIndex++;
    }
    // Tell the navtool that a list has been filtered and it needs to update
    emit filteredListModified();
    return;
  }


  void QnetPointRegistrationErrorFilter::clearEdit() {

    if (m_lessThanCB->isChecked()) {
      m_lessErrorEdit->setEnabled(true);
    }
    else {
      m_lessErrorEdit->clear();
      m_lessErrorEdit->setEnabled(false);
    }
    if (m_greaterThanCB->isChecked()) {
      m_greaterErrorEdit->setEnabled(true);
    }
    else {
      m_greaterErrorEdit->clear();
      m_greaterErrorEdit->setEnabled(false);
    }
  }
}