ScalarFieldCollector.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "ScalarFieldCollector.h"
 
// qCC_db
#include <ecvPointCloud.h>
 
// CCLib
#include <ScalarField.h>
 
// system
#include <assert.h>
 
void SFCollector::push(ccPointCloud* cloud,
                       cloudViewer::ScalarField* sf,
                       Behavior behavior) {
    assert(!scalarFields.contains(sf));
    //  if (scalarFields.contains(sf))
    //      CVLog::Warning(QString("[SFCollector] scalar field '%1' HAS
    // ALREADY BEEN COLLECTED").arg(sf->getName()) + ", behaviour " +
    // QString::number(behavior));  else
    // CVLog::Warning(QString("[SFCollector] collect scalar field
    // '%1'").arg(sf->getName()) + ", behaviour " + QString::number(behavior));
    SFDesc desc;
    desc.behavior = behavior;
    desc.cloud = cloud;
    scalarFields[sf] = desc;
}
 
void SFCollector::releaseSFs(bool keepByDefault) {
    for (Map::iterator it = scalarFields.begin(); it != scalarFields.end();
         ++it) {
        const SFDesc& desc = it.value();
        cloudViewer::ScalarField* sf = it.key();
 
        if (desc.behavior == ALWAYS_KEEP ||
            (keepByDefault && desc.behavior == CAN_REMOVE)) {
            // CVLog::Warning(QString("[SFCollector] Keep scalar field '%1' on
            // cloud '%2'").arg(sf->getName()).arg(desc.cloud->getName()));
            // keep this SF
            continue;
        }
 
        int sfIdx = desc.cloud->getScalarFieldIndexByName(sf->getName());
        if (sfIdx >= 0) {
            // CVLog::Warning(QString("[SFCollector] Remove scalar field '%1'
            // from '%2'").arg(sf->getName()).arg(desc.cloud->getName()));
            desc.cloud->deleteScalarField(sfIdx);
        } else {
            // CVLog::Warning(QString("[SFCollector] Scalar field '%1' can't be
            // found anymore on cloud '%2', impossible to remove
            // it").arg(sf->getName()).arg(desc.cloud->getName()));
        }
    }
 
    scalarFields.clear();
}
 
bool SFCollector::setBehavior(cloudViewer::ScalarField* sf, Behavior behavior) {
    if (scalarFields.contains(sf)) {
        //      Behavior previousBehavior = scalarFields[sf].behavior;
        scalarFields[sf].behavior = behavior;
        //      CVLog::Warning("behavior of " + QString(sf->getName()) +
        //" changed from " + QString::number(previousBehavior) + " to " +
        // QString::number(behavior));
    }
 
    return true;
}