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//##########################################################################
//# #
//# CLOUDCOMPARE #
//# #
//# This program 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; version 2 or later of the License. #
//# #
//# This program 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. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#include "profileLoader.h"
//qCC_db
#include <ccPointCloud.h>
#include <ccPolyline.h>
//qCC_plugins
#include <ccMainAppInterface.h>
//Qt
#include <QFile>
#include <QTextStream>
#include <QFileInfo>
ccPolyline* ProfileLoader::Load(QString filename, CCVector3& origin, ccMainAppInterface* app/*=0*/)
{
//load profile as a polyline
QFile file(filename);
assert(file.exists());
if (!file.open(QFile::ReadOnly | QFile::Text))
{
if (app)
app->dispToConsole(QString("Failed to open file for reading! Check access rights"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
return 0;
}
QTextStream stream(&file);
ccPolyline* polyline = 0;
bool error = false;
for (unsigned n=0; n<1; ++n) //fake loop for easy break ;)
{
//read origin
{
QString headerLine = stream.readLine();
if (headerLine.isEmpty() || !headerLine.startsWith("X"))
{
if (app)
app->dispToConsole(QString("Malformed file (origin header expected on first line)"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
QString centerLine = stream.readLine();
{
QStringList tokens = centerLine.split(QRegExp("\\s+"),QString::SkipEmptyParts);
bool validLine = false;
if (tokens.size() == 3)
{
bool ok[3] = {false, false, false};
origin.x = static_cast<PointCoordinateType>(tokens[0].toDouble(ok+0));
origin.y = static_cast<PointCoordinateType>(tokens[1].toDouble(ok+1));
origin.z = static_cast<PointCoordinateType>(tokens[2].toDouble(ok+2));
validLine = ok[0] && ok[1] && ok[2];
}
if (!validLine)
{
if (app)
app->dispToConsole(QString("Malformed file (origin coordinates expected on second line)"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
}
}
//read elevations
{
QString headerLine = stream.readLine();
if (headerLine.isEmpty() || !headerLine.startsWith("R"))
{
if (app)
app->dispToConsole(QString("Malformed file (radii/heights header expected on third line)"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
QString line = stream.readLine();
std::vector< CCVector2d > points;
while (!line.isEmpty())
{
QStringList tokens = line.split(QRegExp("\\s+"),QString::SkipEmptyParts);
if (tokens.size() < 2)
{
if (app)
app->dispToConsole(QString("Malformed file (radius/height couple expected from the 4th line and afterwards)"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
CCVector2d P;
P.x = tokens[0].toDouble(); //radius
P.y = tokens[1].toDouble(); //height
try
{
points.push_back(P);
}
catch (const std::bad_alloc&)
{
//not enough memory
if (app)
app->dispToConsole(QString("Not enough memory!"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
line = stream.readLine();
}
//convert 2D points to polyline
{
unsigned count = static_cast<unsigned>(points.size());
if (count > 1)
{
ccPointCloud* vertices = new ccPointCloud("vertices");
polyline = new ccPolyline(vertices);
polyline->addChild(vertices);
if (!vertices->reserve(count) || !polyline->reserve(count))
{
//not enough memory
if (app)
app->dispToConsole(QString("Not enough memory!"),ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
//add vertices
{
for (unsigned i=0; i<count; ++i)
{
vertices->addPoint(CCVector3( static_cast<PointCoordinateType>(points[i].x),
static_cast<PointCoordinateType>(points[i].y),
0));
}
}
//add segments
polyline->addPointIndex(0,count);
polyline->setClosed(false); //just to be sure
polyline->set2DMode(true);
//add to DB
polyline->setName(QFileInfo(filename).baseName());
polyline->setColor(ccColor::green);
polyline->showColors(true);
polyline->setEnabled(true);
polyline->setLocked(true); //as we have applied a purely visual transformation, we can't let the user rotate it!!!
vertices->setEnabled(false);
}
else
{
if (app)
app->dispToConsole(QString("Not enough points in profile?!"), ccMainAppInterface::ERR_CONSOLE_MESSAGE);
error = true;
break;
}
}
}
}
file.close();
if (error)
{
delete polyline;
polyline = 0;
}
return polyline;
}
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