qM3C2Commands.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// CLOUDVIEWER
#include "ecvCommandLineInterface.h"
 
// LOCAL
#include "qM3C2Process.h"
 
static const char COMMAND_M3C2[] = "M3C2";
 
struct CommandM3C2 : public ccCommandLineInterface::Command {
    CommandM3C2() : ccCommandLineInterface::Command("M3C2", COMMAND_M3C2) {}
 
    virtual bool process(ccCommandLineInterface& cmd) override {
        cmd.print("[M3C2]");
        if (cmd.arguments().empty()) {
            return cmd.error(QString("Missing parameter: parameters filename "
                                     "after \"-%1\"")
                                     .arg(COMMAND_M3C2));
        }
 
        // open specified file
        QString paramFilename(cmd.arguments().takeFirst());
        cmd.print(QString("Parameters file: '%1'").arg(paramFilename));
 
        if (cmd.clouds().size() < 2) {
            cmd.error(
                    "Not enough clouds loaded (2 or 3 are expected: cloud 1, "
                    "cloud 2 and optionally some core points)");
            return false;
        }
 
        ccPointCloud* cloud1 =
                ccHObjectCaster::ToPointCloud(cmd.clouds()[0].pc);
        ccPointCloud* cloud2 =
                ccHObjectCaster::ToPointCloud(cmd.clouds()[1].pc);
        ccPointCloud* corePointsCloud =
                (cmd.clouds().size() > 2 ? cmd.clouds()[2].pc : nullptr);
 
        // display dialog
        qM3C2Dialog dlg(cloud1, cloud2, nullptr);
        if (!dlg.loadParamsFromFile(paramFilename)) {
            return false;
        }
        dlg.setCorePointsCloud(corePointsCloud);
 
        QString errorMessage;
        ccPointCloud* outputCloud =
                nullptr;  // only necessary for the command line version in fact
        if (!qM3C2Process::Compute(dlg, errorMessage, outputCloud,
                                   !cmd.silentMode(), cmd.widgetParent())) {
            return cmd.error(errorMessage);
        }
 
        if (outputCloud) {
            CLCloudDesc cloudDesc(
                    outputCloud,
                    cmd.clouds()[0].basename + QObject::tr("_M3C2"),
                    cmd.clouds()[0].path);
            if (cmd.autoSaveMode()) {
                QString errorStr = cmd.exportEntity(
                        cloudDesc, QString(), 0,
                        ccCommandLineInterface::ExportOption::ForceNoTimestamp);
                if (!errorStr.isEmpty()) {
                    cmd.error(errorStr);
                }
            }
            // add cloud to the current pool
            cmd.clouds().push_back(cloudDesc);
        }
 
        return true;
    }
};