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util.cpp
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util.cpp
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#include "util.h"
#include <QFile>
#include <QTextStream>
#include <QRegularExpression>
#include <QLayoutItem>
#include <QLayout>
#include <QWidget>
#include <QPlainTextEdit>
#include <QTextCursor>
#include <QScreen>
#include <QApplication>
#include <QFrame>
#include <cassert>
#include <stdint.h>
#include "exceptions/invalidgslibdatafileexception.h"
#include "domain/application.h"
#include "domain/cartesiangrid.h"
#include "domain/attribute.h"
#include "domain/project.h"
#include "domain/categorydefinition.h"
#include "domain/pointset.h"
#include "domain/variogrammodel.h"
#include "gslib/gslibparameterfiles/gslibparameterfile.h"
#include "gslib/gslibparameterfiles/gslibparamtypes.h"
#include "gslib/gslibparams/gslibparinputdata.h"
#include "gslib/gslib.h"
#include "dialogs/displayplotdialog.h"
#include "dialogs/distributioncolumnrolesdialog.h"
#include <QDir>
#include <QFileInfo>
#include <QInputDialog>
#include <QSettings>
#include <cmath>
#include <vtkSmartPointer.h>
#include <vtkImageData.h>
#include <vtkImageFFT.h>
#include <vtkImageRFFT.h>
//includes for getPhysicalRAMusage()
#ifdef Q_OS_WIN
#include <windows.h>
#include <psapi.h>
#endif
#ifdef Q_OS_LINUX
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#endif
#ifdef Q_OS_MAC
#include <mach/mach.h>
#endif
//TODO: define constants for other GSLib program NDVs and checke whether this is being
// actually used.
/*static*/const QString Util::VARMAP_NDV("-999.00000");
/*static*/const long double Util::PI( 3.141592653589793238L );
/*static*/const long double Util::PI_OVER_180( Util::PI / 180.0L );
//TODO: move this to geostatsutils.h, or transfer its PI_OVER_180 constant here
#define C_180_OVER_PI (180.0 / 3.14159265)
Util::Util()
{
}
QStringList Util::getFieldNames(const QString gslib_data_file_path)
{
QStringList list;
QFile file( gslib_data_file_path );
file.open( QFile::ReadOnly | QFile::Text );
QTextStream in(&file);
int n_vars = 0;
int var_count = 0;
for (int i = 0; !in.atEnd(); ++i)
{
//read file line by line
QString line = in.readLine();
//second line is the number of variables
//TODO: second line may contain other information in grid files, so it will fail for such cases
if( i == 1 ){
n_vars = Util::getFirstNumber( line );
} else if ( i > 1 && var_count < n_vars ){
list << line;
++var_count;
if( var_count == n_vars )
break;
}
}
file.close();
return list;
}
std::pair<QStringList, QString> Util::parseTagsAndDescription( const QString gslib_param_file_template_line )
{
QStringList tags;
QString description;
QRegularExpression re_tags("(<.*?>)");
QRegularExpression re_description(".*>\\s*-(.*)");
//finding the individual tags
QRegularExpressionMatchIterator i = re_tags.globalMatch(gslib_param_file_template_line);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
if (match.hasMatch()) {
tags.append( match.captured(1) );
}
}
//finding the description
QRegularExpressionMatch match = re_description.match( gslib_param_file_template_line );
if( match.hasMatch() ){
description = match.captured(1);
}
return std::pair<QStringList, QString>(tags, description);
}
uint Util::getIndentation(const QString gslib_param_file_template_line)
{
uint indent = 0;
QRegularExpression re_name("(\\s*)<.*");
//finding the leading spaces
QRegularExpressionMatch match = re_name.match( gslib_param_file_template_line );
if( match.hasMatch() ){
indent = match.captured(1).length();
}
return indent;
}
QString Util::getNameFromTag(const QString tag)
{
QString name;
QRegularExpression re_name("<(.*?)[\\+\\s>]+.*");
//finding the type name
QRegularExpressionMatch match = re_name.match( tag );
if( match.hasMatch() ){
name = match.captured(1);
}
return name;
}
bool Util::hasPlusSign(const QString tag)
{
QRegularExpression re_name("<.*\\+.*>");
//finding the plus sign (if any)
QRegularExpressionMatch match = re_name.match( tag );
return match.hasMatch();
}
QString Util::getRefNameFromTag(const QString tag)
{
QString name;
QRegularExpression re_name("\\((.*)\\)");
//finding the reference name
QRegularExpressionMatch match = re_name.match( tag );
if( match.hasMatch() ){
name = match.captured(1);
}
return name;
}
std::vector< std::pair<QString, QString> > Util::getTagOptions(const QString tag)
{
std::vector< std::pair<QString, QString> > options;
QRegularExpression re_option("\\[(.*?):(.*?)\\]");
//finding the individual options
QRegularExpressionMatchIterator i = re_option.globalMatch( tag );
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
if (match.hasMatch()) {
options.push_back( std::pair<QString, QString>(match.captured(1), match.captured(2)) );
}
}
return options;
}
QString Util::getReferenceName(const QString tag)
{
QString ref_name;
QRegularExpression re_name("\\[(\\w*)\\]");
//finding the reference tag name
QRegularExpressionMatch match = re_name.match( tag );
if( match.hasMatch() ){
ref_name = match.captured(1);
}
return ref_name;
}
bool Util::almostEqual2sComplement(float A, float B, int maxUlps)
{
// Make sure maxUlps is non-negative and small enough that the
// default NAN won't compare as equal to anything.
assert(maxUlps > 0 && maxUlps < 4 * 1024 * 1024);
int aInt = *(int*)&A;
// Make aInt lexicographically ordered as a twos-complement int
if (aInt < 0)
aInt = 0x80000000 - aInt;
// Make bInt lexicographically ordered as a twos-complement int
int bInt = *(int*)&B;
if (bInt < 0)
bInt = 0x80000000 - bInt;
int intDiff = abs(aInt - bInt);
if (intDiff <= maxUlps)
return true;
return false;
}
void Util::clearChildWidgets(QWidget *widget)
{
QLayoutItem* item;
while ( ( item = widget->layout()->takeAt( 0 ) ) )
{
delete item->widget();
delete item;
}
}
void Util::readFileSample(QPlainTextEdit *text_field, QString file_path)
{
//read file content sample
QFile file( file_path );
file.open( QFile::ReadOnly | QFile::Text );
QTextStream in(&file);
//read up to 100 first lines
for (int i = 0; !in.atEnd() && i < 100; ++i)
{
QString line = in.readLine();
text_field->appendPlainText( line );
}
file.close();
//send text cursor to home
QTextCursor tmpCursor = text_field->textCursor();
tmpCursor.movePosition(QTextCursor::Start);
text_field->setTextCursor(tmpCursor);
}
void Util::addTrailingHiphens(const QString par_file_path)
{
//open a new file for output
QFile outputFile( QString(par_file_path).append(".new") );
outputFile.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&outputFile);
//open the current file for reading
QFile inputFile( par_file_path );
if ( inputFile.open(QIODevice::ReadOnly | QFile::Text ) ) {
QTextStream in(&inputFile);
bool in_header = true; //flags whether file read is still in header
while ( !in.atEnd() ){
QString line = in.readLine();
if( in_header ){
out << line << "\n"; //write header lines without change.
if( line.trimmed().startsWith( "START OF PARAMETERS", Qt::CaseInsensitive ) )
in_header = false;
} else {
//replaces end line characters with spaces and appens the trailing hiphen
line.replace('\n', ' ');
line.replace('\r', ' ');
line.append(" - \n");
//writes the modified line to output file
out << line;
}
}
inputFile.close();
//closes the output file
outputFile.close();
//deletes current file
inputFile.remove();
//renames the new file
outputFile.rename( QFile( par_file_path ).fileName() );
}
}
uint Util::getFirstNumber(const QString line)
{
uint result = 0;
QRegularExpression re("(\\d+).*");
QRegularExpressionMatch match = re.match( line );
if( match.hasMatch() ){
result = match.captured(1).toInt( );
}
return result;
}
QString Util::getValuesFromParFileLine(const QString line)
{
QString result;
QRegularExpression re("((?:(?:-[\\d.])?[^-]*)+)(?:-?.*)");
QRegularExpressionMatch match = re.match( line );
if( match.hasMatch() ){
result = match.captured(1).trimmed();
}
return result;
}
void Util::fixVarmapBug(const QString varmap_grid_file_path)
{
//open a new file for output
QFile outputFile( QString(varmap_grid_file_path).append(".new") );
outputFile.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&outputFile);
//open the current file for reading
QFile inputFile( varmap_grid_file_path );
if ( inputFile.open(QIODevice::ReadOnly | QFile::Text ) ) {
QTextStream in(&inputFile);
while ( !in.atEnd() ){
QString line = in.readLine();
//replaces sequences of asterisks with the varmap standard no-data value
line.replace(QRegularExpression("\\*+"), Util::VARMAP_NDV);
//writes the fixed line to the new file
out << line << '\n';
}
inputFile.close();
//closes the output file
outputFile.close();
//deletes current file
inputFile.remove();
//renames the new file
outputFile.rename( QFile( varmap_grid_file_path ).fileName() );
}
}
void Util::renameGEOEASvariable(const QString file_path, const QString old_name, const QString new_name)
{
//open a new file for output
QFile outputFile( QString(file_path).append(".new") );
outputFile.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&outputFile);
//open the current file for reading
QFile inputFile( file_path );
int n_vars = 0;
if ( inputFile.open(QIODevice::ReadOnly | QFile::Text ) ) {
QTextStream in(&inputFile);
int i_line = 1;
int var_count = 0;
while ( !in.atEnd() ){
QString line = in.readLine();
//first number of second line holds the variable count
if( i_line == 2 ){
n_vars = Util::getFirstNumber( line );
//try a replacement only on lines corresponding to variable names.
} else if ( i_line > 1 && var_count < n_vars ){
if(line.trimmed() == old_name.trimmed())
line = new_name;
else
line = line.trimmed();
++var_count;
}
out << line << '\n';
++i_line;
}
inputFile.close();
//closes the output file
outputFile.close();
//deletes current file
inputFile.remove();
//renames the new file
outputFile.rename( QFile( file_path ).fileName() );
}
}
void Util::copyFile(const QString from_path, const QString to_path)
{
//removes destination if it exists.
QFile destination( to_path );
if( destination.exists() )
if( ! destination.remove() ){
Application::instance()->logError("Util::copyFile: old file removal failed.");
return;
}
//performs the copy
QFile origin( from_path );
if( ! origin.copy( to_path ) )
Application::instance()->logError("Util::copyFile: file copy failed.");
}
QString Util::copyFileToDir(const QString from_path, const QString path_to_directory)
{
//get information on the original file
QFileInfo info_origin( from_path );
//get file name and extension of original file
QString origin_file_name = info_origin.fileName();
//get destination directory
QDir dest_dir( path_to_directory );
//make path by joining the destination directory path and the original file name
QString to_path = dest_dir.absoluteFilePath( origin_file_name );
//perfoms the copy
Util::copyFile( from_path, to_path);
//returns the new complete path to the copied file
return to_path;
}
void Util::createGEOEAScheckerboardGrid(CartesianGrid *cg, QString path)
{
//open file for writing
QFile file( path );
file.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&file);
//write out the GEO-EAS grid geader
out << "Grid file\n";
out << "1\n";
out << "checkerboard pattern\n";
//flags to help in creating a checkerboard pattern.
bool isNXeven = ( cg->getNX() % 2 ) == 0;
bool isNYeven = ( cg->getNY() % 2 ) == 0;
//loop to output the binary values
ulong count = 0;
for( uint ir = 0; ir < cg->getNReal(); ++ir)
for( uint iz = 0; iz < cg->getNZ(); ++iz){
for( uint iy = 0; iy < cg->getNY(); ++iy){
for( uint ix = 0; ix < cg->getNX(); ++ix, ++count)
out << (count % 2) << '\n';
if( isNXeven )
++count;
}
if( isNYeven )
++count;
}
//close file
file.close();
}
void Util::createGEOEASGrid(const QString columnNameForRealPart,
const QString columnNameForImaginaryPart,
std::vector<std::complex<double> > &array, QString path)
{
//open file for writing
QFile file( path );
file.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&file);
//determine the number of columns
int nColumns = 0;
if( ! columnNameForRealPart.isEmpty() )
nColumns++;
if( ! columnNameForImaginaryPart.isEmpty() )
nColumns++;
if( nColumns == 0)
return;
//write out the GEO-EAS grid header
out << "Grid file\n";
out << nColumns << '\n';
if( ! columnNameForRealPart.isEmpty() )
out << columnNameForRealPart << '\n';
if( ! columnNameForImaginaryPart.isEmpty() )
out << columnNameForImaginaryPart << '\n';
//loop to output the values
std::vector< std::complex<double> >::iterator it = array.begin();
for( ; it != array.end(); ++it ){
if( ! columnNameForRealPart.isEmpty() ){
out << (*it).real() ;
if( ! columnNameForImaginaryPart.isEmpty() )
out << '\t';
}
if( ! columnNameForImaginaryPart.isEmpty() )
out << (*it).imag() ;
out << '\n';
}
//close file
file.close();
}
void Util::createGEOEASGrid(const QString columnName, std::vector<double> &values, QString path)
{
//open file for writing
QFile file( path );
file.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&file);
//write out the GEO-EAS grid header
out << "Grid file\n";
out << "1\n";
out << columnName << '\n';
//loop to output the values
std::vector< double >::iterator it = values.begin();
for( ; it != values.end(); ++it ){
out << (*it) << '\n';
}
//close file
file.close();
}
void Util::createGEOEASGridFile(const QString gridDescription,
std::vector<QString> columnNames,
std::vector<std::vector<double> > &array,
QString path)
{
//open file for writing
QFile file( path );
file.open( QFile::WriteOnly | QFile::Text );
QTextStream out(&file);
//determine the number of columns
int nColumns = columnNames.size();
//write out the GEO-EAS grid header
out << gridDescription << '\n';
out << nColumns << '\n';
std::vector<QString>::iterator itColNames = columnNames.begin();
for(; itColNames != columnNames.end(); ++itColNames){
out << *itColNames << '\n';
}
//loop to output the values
std::vector< std::vector<double> >::iterator it = array.begin();
for( ; it != array.end(); ++it ){
std::vector<double> dataLine = *it;
std::vector<double>::iterator itData = dataLine.begin();
for(; itData != dataLine.end(); ++itData){
out << *itData << '\t'; //TODO: it would be nice to not leave a useless trailing tab char
}
out << '\n';
}
//close file
file.close();
}
bool Util::viewGrid(Attribute *variable, QWidget* parent = 0, bool modal, CategoryDefinition *cd)
{
//get input data file
//the parent component of an attribute is a file
//assumes the file is a Cartesian Grid, since the user is calling pixelplt
CartesianGrid* input_data_file = (CartesianGrid*)variable->getContainingFile();
//loads data in file, because it's necessary.
input_data_file->loadData();
//get the variable index in parent data file
uint var_index = input_data_file->getFieldGEOEASIndex( variable->getName() );
//make plot/window title
QString title = variable->getContainingFile()->getName();
title.append("/");
title.append(variable->getName());
title.append(" grid");
//Construct an object composition based on the parameter file template for the pixelplt program.
GSLibParameterFile gpf( "pixelplt" );
//Set default values so we need to change less parameters and let
//the user change the others as one may see fit.
gpf.setDefaultValues();
//get the max and min of the selected variable
double data_min = input_data_file->min( var_index-1 );
double data_max = input_data_file->max( var_index-1 );
//----------------set the minimum required pixelplt paramaters-----------------------
//input data parameters: data file, trimming limits and var,weight indexes
GSLibParInputData* par0;
par0 = gpf.getParameter<GSLibParInputData*>(0);
par0->_file_with_data._path = input_data_file->getPath();
par0->_var_wgt_pairs.first()->_var_index = var_index;
par0->_trimming_limits._min = data_min - fabs( data_min/100.0 );
par0->_trimming_limits._max = data_max + fabs( data_max/100.0 );
//postscript file
gpf.getParameter<GSLibParFile*>(1)->_path = Application::instance()->getProject()->generateUniqueTmpFilePath("ps");
//grid definition parameters
GSLibParGrid* par3 = gpf.getParameter<GSLibParGrid*>(3);
par3->_specs_x->getParameter<GSLibParUInt*>(0)->_value = input_data_file->getNX(); //nx
par3->_specs_x->getParameter<GSLibParDouble*>(1)->_value = input_data_file->getX0(); //min x
par3->_specs_x->getParameter<GSLibParDouble*>(2)->_value = input_data_file->getDX(); //cell size x
par3->_specs_y->getParameter<GSLibParUInt*>(0)->_value = input_data_file->getNY(); //ny
par3->_specs_y->getParameter<GSLibParDouble*>(1)->_value = input_data_file->getY0(); //min y
par3->_specs_y->getParameter<GSLibParDouble*>(2)->_value = input_data_file->getDY(); //cell size y
par3->_specs_z->getParameter<GSLibParUInt*>(0)->_value = input_data_file->getNZ(); //nz
par3->_specs_z->getParameter<GSLibParDouble*>(1)->_value = input_data_file->getZ0(); //min z
par3->_specs_z->getParameter<GSLibParDouble*>(2)->_value = input_data_file->getDZ(); //cell size z
//plot title
gpf.getParameter<GSLibParString*>(6)->_value = title;
//horizontal axis (normally X) label
gpf.getParameter<GSLibParString*>(7)->_value = "longitude";
//vertical axis (normally Y) label
gpf.getParameter<GSLibParString*>(8)->_value = "latitude";
//min, max, resolution for color scale
GSLibParMultiValuedFixed* par12 = gpf.getParameter<GSLibParMultiValuedFixed*>(12);
Util::assureNonZeroWindow( par12->getParameter<GSLibParDouble*>(0)->_value,
par12->getParameter<GSLibParDouble*>(1)->_value,
data_min, data_max);
par12->getParameter<GSLibParDouble*>(2)->_value = (par12->getParameter<GSLibParDouble*>(1)->_value -
par12->getParameter<GSLibParDouble*>(0)->_value)/10.0;
//enable categorical display, if a category definition is passed
if( cd ){
//make sure the category definition info is loaded from the file
cd->loadTriplets();
//set category mode on
GSLibParOption* par11 = gpf.getParameter<GSLibParOption*>(11);
par11->_selected_value = 1;
//set the number of categories
GSLibParUInt* par13 = gpf.getParameter<GSLibParUInt*>(13);
par13->_value = cd->getCategoryCount();
//set the category display parameters
GSLibParRepeat* par14 = gpf.getParameter<GSLibParRepeat*>(14);
par14->setCount( par13->_value );
for( uint iCat = 0; iCat < par13->_value; ++iCat){
//The category code, color code and name are in a row of three paramaters
GSLibParMultiValuedFixed *parMV = par14->getParameter<GSLibParMultiValuedFixed*>( iCat, 0 );
//set the category code
GSLibParUInt* par14_0 = parMV->getParameter<GSLibParUInt*>( 0 );
par14_0->_value = cd->getCategoryCode( iCat );
//set the category color
GSLibParColor* par14_1 = parMV->getParameter<GSLibParColor*>( 1 );
par14_1->_color_code = cd->getColorCode( iCat );
//set the category name
GSLibParString* par14_2 = parMV->getParameter<GSLibParString*>( 2 );
par14_2->_value = cd->getCategoryName( iCat );
}
}
//----------------------------------------------------------------------------------
//Generate the parameter file
QString par_file_path = Application::instance()->getProject()->generateUniqueTmpFilePath("par");
gpf.save( par_file_path );
//run pixelplt program
Application::instance()->logInfo("Starting pixelplt program...");
GSLib::instance()->runProgram( "pixelplt", par_file_path );
//display the plot output
DisplayPlotDialog *dpd = new DisplayPlotDialog(gpf.getParameter<GSLibParFile*>(1)->_path, title, gpf, parent);
if( modal ){
int response = dpd->exec();
return response == QDialog::Accepted;
}
dpd->show();
return false;
}
bool Util::viewPointSet(Attribute *variable, QWidget *parent, bool modal)
{
//get input data file
//the parent component of an attribute is a file
//assumes the file is a Point Set, since the user is calling locmap
PointSet* input_data_file = (PointSet*)variable->getContainingFile();
//loads data in file, because it's necessary.
input_data_file->loadData();
//get the variable index in parent data file
uint var_index = input_data_file->getFieldGEOEASIndex( variable->getName() );
//make plot/window title
QString title = variable->getContainingFile()->getName();
title.append("/");
title.append(variable->getName());
title.append(" map");
//Construct an object composition based on the parameter file template for the locmap program.
GSLibParameterFile gpf( "locmap" );
//Set default values so we need to change less parameters and let
//the user change the others as one may see fit.
gpf.setDefaultValues();
//get the max and min of the selected variable
double data_min = input_data_file->min( var_index-1 );
double data_max = input_data_file->max( var_index-1 );
//----------------set the minimum required locmap paramaters-----------------------
//input file
gpf.getParameter<GSLibParFile*>(0)->_path = input_data_file->getPath();
//X, Y and variable
GSLibParMultiValuedFixed* par1 = gpf.getParameter<GSLibParMultiValuedFixed*>(1);
par1->getParameter<GSLibParUInt*>(0)->_value = input_data_file->getXindex();
par1->getParameter<GSLibParUInt*>(1)->_value = input_data_file->getYindex();
par1->getParameter<GSLibParUInt*>(2)->_value = var_index;
//trimming limits
GSLibParMultiValuedFixed* par2 = gpf.getParameter<GSLibParMultiValuedFixed*>(2);
par2->getParameter<GSLibParDouble*>(0)->_value = data_min - fabs( data_min/100.0 );
par2->getParameter<GSLibParDouble*>(1)->_value = data_max + fabs( data_max/100.0 );
//postscript file
gpf.getParameter<GSLibParFile*>(3)->_path = Application::instance()->getProject()->generateUniqueTmpFilePath("ps");
//X limits
GSLibParMultiValuedFixed* par4 = gpf.getParameter<GSLibParMultiValuedFixed*>(4);
Util::assureNonZeroWindow( par4->getParameter<GSLibParDouble*>(0)->_value,
par4->getParameter<GSLibParDouble*>(1)->_value,
input_data_file->min( input_data_file->getXindex()-1 ),
input_data_file->max( input_data_file->getXindex()-1 ));
//Y limits
GSLibParMultiValuedFixed* par5 = gpf.getParameter<GSLibParMultiValuedFixed*>(5);
Util::assureNonZeroWindow( par5->getParameter<GSLibParDouble*>(0)->_value,
par5->getParameter<GSLibParDouble*>(1)->_value,
input_data_file->min( input_data_file->getYindex()-1 ),
input_data_file->max( input_data_file->getYindex()-1 ));
//color scale details
GSLibParMultiValuedFixed* par10 = gpf.getParameter<GSLibParMultiValuedFixed*>(10);
Util::assureNonZeroWindow( par10->getParameter<GSLibParDouble*>(0)->_value,
par10->getParameter<GSLibParDouble*>(1)->_value,
data_min, data_max);
par10->getParameter<GSLibParDouble*>(2)->_value = (par10->getParameter<GSLibParDouble*>(1)->_value -
par10->getParameter<GSLibParDouble*>(0)->_value)/10.0; //color scale ticks in 10 steps
//plot title
gpf.getParameter<GSLibParString*>(12)->_value = title;
//----------------------------------------------------------------------------------
//Generate the parameter file
QString par_file_path = Application::instance()->getProject()->generateUniqueTmpFilePath("par");
gpf.save( par_file_path );
//run locmap program
Application::instance()->logInfo("Starting locmap program...");
GSLib::instance()->runProgram( "locmap", par_file_path );
//display the plot output
DisplayPlotDialog *dpd = new DisplayPlotDialog(gpf.getParameter<GSLibParFile*>(3)->_path, title, gpf, parent);
if( modal ){
int response = dpd->exec();
return response == QDialog::Accepted;
}
dpd->show();
return false;
}
void Util::viewXPlot(Attribute *xVariable, Attribute *yVariable, QWidget *parent, Attribute *zVariable)
{
//get the selected attributes
Attribute* var1 = xVariable;
Attribute* var2 = yVariable;
Attribute* var3 = zVariable;
//assumes their parent are a data file and they refer to the same one.
DataFile* data_file = static_cast<DataFile*>( var1->getContainingFile() );
//loads data in file, because it's necessary to compute some stats.
data_file->loadData();
//get the variables indexes in the parent data file
uint var1_index = data_file->getFieldGEOEASIndex( var1->getName() );
uint var2_index = data_file->getFieldGEOEASIndex( var2->getName() );
uint var3_index = 0;
if( var3 ){
var3_index = data_file->getFieldGEOEASIndex( var3->getName() );
}
//make plot/window title
QString title = "Crossplot ";
title.append(data_file->getName());
title.append(": ");
title.append(var1->getName());
title.append(" x ");
title.append(var2->getName());
if( var3 ){
title.append(" x ");
title.append(var3->getName());
}
//Construct an object composition based on the parameter file template for the scatplot program.
GSLibParameterFile gpf( "scatplt" );
//Set default values so we need to change less parameters and let
//the user change the others as one may see fit.
gpf.setDefaultValues();
//----------------set the minimum required scatplot paramaters---------------------
//input data parameters: data file, trimming limits and var1,var2,weight and 3rd var indexes
GSLibParInputData* par0;
par0 = gpf.getParameter<GSLibParInputData*>(0);
par0->_file_with_data._path = data_file->getPath();
par0->_var_wgt_pairs.first()->_var_index = var1_index;
par0->_var_wgt_pairs.last()->_var_index = var2_index;
if( var3 ){
//scatplt expects the third variable index as the fourth value
//instead of the usual weight for the second variable. figures...
par0->_var_wgt_pairs.last()->_wgt_index = var3_index;
}
//path to postscript file
gpf.getParameter<GSLibParFile*>(1)->_path = Application::instance()->getProject()->generateUniqueTmpFilePath("ps");
//min,max and scale type for X variable
GSLibParMultiValuedFixed* par2 = gpf.getParameter<GSLibParMultiValuedFixed*>(2);
par2->getParameter<GSLibParDouble*>(0)->_value = data_file->min( var1_index-1 );
par2->getParameter<GSLibParDouble*>(1)->_value = data_file->max( var1_index-1 );
//min,max and scale type for Y variable
GSLibParMultiValuedFixed* par3 = gpf.getParameter<GSLibParMultiValuedFixed*>(3);
par3->getParameter<GSLibParDouble*>(0)->_value = data_file->min( var2_index-1 );
par3->getParameter<GSLibParDouble*>(1)->_value = data_file->max( var2_index-1 );
if( var3 ){
//min,max and scale type for 3rd variable (grayscale)
GSLibParLimitsDouble* par6 = gpf.getParameter<GSLibParLimitsDouble*>(6);
par6->_min = data_file->min( var3_index-1 );
par6->_max = data_file->max( var3_index-1 );
}
gpf.getParameter<GSLibParString*>(7)->_value = title;
//---------------------------------------------------------------------------------
//Generate the parameter file
QString par_file_path = Application::instance()->getProject()->generateUniqueTmpFilePath("par");
gpf.save( par_file_path );
//run scatplt program
Application::instance()->logInfo("Starting scatplt program...");
GSLib::instance()->runProgram( "scatplt", par_file_path );
//display the plot output
DisplayPlotDialog *dpd = new DisplayPlotDialog(gpf.getParameter<GSLibParFile*>(1)->_path, title, gpf, parent);
dpd->show(); //show() makes dialog modalless
}
qint64 Util::getDirectorySize(const QString path)
{
quint64 sizex = 0;
QFileInfo str_info( path );
if (str_info.isDir())
{
QDir dir(path);
QFileInfoList list = dir.entryInfoList(QDir::Files | QDir::Dirs | QDir::Hidden | QDir::NoSymLinks | QDir::NoDotAndDotDot);
for (int i = 0; i < list.size(); ++i){
QFileInfo fileInfo = list.at(i);
if(fileInfo.isDir()){
sizex += getDirectorySize(fileInfo.absoluteFilePath());
}else
sizex += fileInfo.size();
}
}
return sizex;
}
void Util::clearDirectory(const QString path)
{
QDir dir(path);
dir.setNameFilters(QStringList() << "*.*");
dir.setFilter(QDir::Files);
foreach(QString dirFile, dir.entryList()) //foreach is a Qt macro
{
dir.remove(dirFile);
}
}
QString Util::renameFile(const QString path, const QString newName)
{
QFileInfo original( path );
QString newPath = original.canonicalPath() + QDir::separator() + newName;
QFile::rename( path, newPath );
return newPath;
}
void Util::importUnivariateDistribution(Attribute *at, const QString path_from, QWidget *dialogs_owner)
{
//propose a name for the file
QString proposed_name( at->getName() );
proposed_name = proposed_name.append("_SMOOTH_DISTR");
//open file rename dialog
bool ok;
QString new_dist_model_name = QInputDialog::getText(dialogs_owner, "Name the new file",
"New univariate distribution model file name:", QLineEdit::Normal,
proposed_name, &ok);
if (ok && !new_dist_model_name.isEmpty()){
QString tmpPathOfDistr = path_from;
//asks the user to set the roles for each of the distribution file columns.
DistributionColumnRolesDialog dcrd( tmpPathOfDistr, dialogs_owner );
dcrd.adjustSize();
int result = dcrd.exec(); //show modally
if( result == QDialog::Accepted )
Application::instance()->getProject()->importUnivariateDistribution( tmpPathOfDistr,
new_dist_model_name.append(".dst"),
dcrd.getRoles() );
else
Application::instance()->getProject()->importUnivariateDistribution( tmpPathOfDistr,
new_dist_model_name.append(".dst"),
QMap<uint, Roles::DistributionColumnRole>() ); //empty list
}
}
void Util::makeGSLibColorsList(QList<QColor> &colors)
{
colors << Qt::red << QColor(255,165,0) << Qt::yellow << Qt::green << QColor( Qt::green ).darker();
colors << Qt::cyan << Qt::blue << QColor(238,130,238) << Qt::white << Qt::black;
colors << QColor(128,0,128) << QColor(165,42,42) << QColor(255,20,147) << QColor(50,205,50);
colors << Qt::gray << QColor(26,26,26) << QColor(51,51,51) << QColor(77,77,77) << QColor(102,102,102);
colors << QColor(128,128,128) << QColor(154,154,154) << QColor(179,179,179) << QColor(205,205,205) << QColor(230,230,230);
}
QIcon Util::makeGSLibColorIcon(uint color_code)
{
//make list of GSLib colors
QList<QColor> colors;
Util::makeGSLibColorsList( colors );
//make and return the icon.
QPixmap pixmap(16,16);
if( Util::getDisplayResolutionClass() == DisplayResolution::HIGH_DPI )
pixmap = QPixmap(32, 32);
pixmap.fill( colors.at( color_code - 1 ) );
return QIcon( pixmap );
}
QColor Util::getGSLibColor(uint color_code)
{
//make list of GSLib colors
QList<QColor> colors;
Util::makeGSLibColorsList( colors );
return colors.at( color_code - 1 );
}
QString Util::getGSLibColorName(uint color_code)
{
switch( color_code ){
case 1: return "red";
case 2: return "orange";
case 3: return "yellow";
case 4: return "light green";
case 5: return "green";
case 6: return "light blue";
case 7: return "dark blue";
case 8: return "violet";
case 9: return "white";
case 10: return "black";
case 11: return "purple";
case 12: return "brown";
case 13: return "pink";
case 14: return "intermediate green";
case 15: return "gray";
case 16: return "gray 10%";
case 17: return "gray 20%";
case 18: return "gray 30%";
case 19: return "gray 40%";
case 20: return "gray 50%";
case 21: return "gray 60%";
case 22: return "gray 70%";
case 23: return "gray 80%";
case 24: return "gray 90%";
default: return "invalid color code";
}
}
void Util::importSettingsFromPreviousVersion()
{
//get the settings of this application
//Current application name and version are globbaly set in the main() funtion in main.cpp.
QSettings currentSettings;
//The list of previous versions (order from latest to oldest version is advised)
QStringList previousVersions;
previousVersions << "3.5" << "3.2" << "3.0" << "2.7.2" << "2.7.1" << "2.7" << "2.5.1" << "2.5" << "2.4" << "2.3" << "2.2"
<< "2.1" << "2.0" << "1.7.1" << "1.7" << "1.6" << "1.5" << "1.4" << "1.3.1" << "1.3" << "1.2.1"
<< "1.2" << "1.1.0" << "1.0.1" << "1.0";
//Iterate through the list of previous versions
QList<QString>::iterator itVersion = previousVersions.begin();
for(; itVersion != previousVersions.end(); ++itVersion){
//get the settings of a previous version application
QSettings previousSettings(APP_NAME, QString(APP_NAME) + " " + (*itVersion));
//the screen splitter setting signals the presence of a previous version setting
//copy settings only if there are previous version settings and no settings for this version
if( previousSettings.contains("cmsplitter") && ! currentSettings.contains("cmsplitter") ){
QStringList keys = previousSettings.allKeys();
QList<QString>::iterator it = keys.begin();
//Copy all keys/values from the previous version settings
for(; it != keys.end(); ++it){
currentSettings.setValue( (*it), previousSettings.value( (*it) ) );
}
//terminate import operation upon finding a previous version
return;
}
}
}
DisplayResolution Util::getDisplayResolutionClass()
{
QScreen *screen0 = QApplication::screens().at(0);
qreal rDPI = (qreal)screen0->logicalDotsPerInch();
if( rDPI < 160 ) //96dpi is about SVGA in a 15-inch screen.
return DisplayResolution::NORMAL_DPI;
else