ccLineationTool.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "ccLineationTool.h"
 
#include "ccCompass.h"
 
ccLineationTool::ccLineationTool() : ccTool() {}
 
ccLineationTool::~ccLineationTool() {}
 
// called when the tool is set to disactive (for cleanup)
void ccLineationTool::toolDisactivated() { cancel(); }
 
// called when a point in a point cloud gets picked while this tool is active
void ccLineationTool::pointPicked(ccHObject* insertPoint,
                                  unsigned itemIdx,
                                  ccPointCloud* cloud,
                                  const CCVector3& P) {
    // try retrieve active lineation (will fail if there isn't one)
    ccLineation* l = dynamic_cast<ccLineation*>(
            m_app->dbRootObject()->find(m_lineation_id));
    if (!l)  // make a new one
    {
        // no active trace -> make a new one
        l = new ccLineation(cloud);
        m_lineation_id = l->getUniqueID();
 
        // set drawing properties
        // l->setDisplay(m_window);
        l->setVisible(true);
        l->setName("Lineation");
        // l->prepareDisplayForRefresh_recursive();
 
        // add to DB Tree
        insertPoint->addChild(l);
        m_app->addToDB(l, false, false, false, false);
    }
 
    // add point
    int index = l->addPointIndex(itemIdx);
 
    // is this the end point?
    if (l->size() == 2) {
        l->updateMetadata();  // calculate orientation & store. Also changes the
                              // name.
        l->showNameIn3D(ccCompass::drawName);
 
        // report orientation to console for convenience
        m_app->dispToConsole(QString("[ccCompass] Lineation = " + l->getName()),
                             ecvMainAppInterface::STD_CONSOLE_MESSAGE);
 
        // start new lineation
        m_lineation_id = -1;
    }
}
 
// called when "Return" or "Space" is pressed, or the "Accept Button" is clicked
void ccLineationTool::accept() {
    cancel();  // removes any incomplete lineations
}
 
// called when the "Escape" is pressed, or the "Cancel" button is clicked
void ccLineationTool::cancel() {
    if (m_lineation_id != -1)  // there is an active lineation
    {
        ccPointPair* l = dynamic_cast<ccPointPair*>(
                m_app->dbRootObject()->find(m_lineation_id));
        if (l && l->size() < 2) {
            m_app->removeFromDB(l);  // remove incomplete lineation
            m_lineation_id = -1;
        }
    }
}