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// [WriteFile Name=DistanceMeasurementAnalysis, Category=Analysis]
// [Legal]
// Copyright 2022 Esri.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]
#ifdef PCH_BUILD
#include "pch.hpp"
#endif // PCH_BUILD
#include "DistanceMeasurementAnalysis.h"
#include "AnalysisListModel.h"
#include "AnalysisOverlay.h"
#include "AnalysisOverlayListModel.h"
#include "ArcGISSceneLayer.h"
#include "ArcGISTiledElevationSource.h"
#include "Camera.h"
#include "CoreTypes.h"
#include "Distance.h"
#include "ElevationSourceListModel.h"
#include "LayerListModel.h"
#include "LinearUnit.h"
#include "LocationDistanceMeasurement.h"
#include "MapTypes.h"
#include "Point.h"
#include "Scene.h"
#include "SceneQuickView.h"
#include "SpatialReference.h"
#include "Surface.h"
#include "TaskWatcher.h"
#include "Viewpoint.h"
#include <QUuid>
using namespace Esri::ArcGISRuntime;
DistanceMeasurementAnalysis::DistanceMeasurementAnalysis(QObject* parent /* = nullptr */):
QObject(parent),
m_scene(new Scene(BasemapStyle::ArcGISTopographic, this))
{
// create a new elevation source from Terrain3D REST service
ArcGISTiledElevationSource* elevationSource = new ArcGISTiledElevationSource(
QUrl("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"), this);
// add the elevation source to the scene to display elevation
m_scene->baseSurface()->elevationSources()->append(elevationSource);
// Add a Scene Layer
ArcGISSceneLayer* sceneLayer = new ArcGISSceneLayer(QUrl("https://tiles.arcgis.com/tiles/P3ePLMYs2RVChkJx/arcgis/rest/services/Buildings_Brest/SceneServer/layers/0"), this);
sceneLayer->setAltitudeOffset(1); // The elevation source is a very fine resolution so we raise the scene layer slightly so it does not clip the surface
m_scene->operationalLayers()->append(sceneLayer);
}
DistanceMeasurementAnalysis::~DistanceMeasurementAnalysis() = default;
void DistanceMeasurementAnalysis::init()
{
// Register classes for QML
qmlRegisterType<SceneQuickView>("Esri.Samples", 1, 0, "SceneView");
qmlRegisterType<DistanceMeasurementAnalysis>("Esri.Samples", 1, 0, "DistanceMeasurementAnalysisSample");
}
SceneQuickView* DistanceMeasurementAnalysis::sceneView() const
{
return m_sceneView;
}
// Set the view (created in QML)
void DistanceMeasurementAnalysis::setSceneView(SceneQuickView* sceneView)
{
if (!sceneView || sceneView == m_sceneView)
return;
m_sceneView = sceneView;
m_sceneView->setArcGISScene(m_scene);
emit sceneViewChanged();
// Add Analysis Overlay
AnalysisOverlay* analysisOverlay = new AnalysisOverlay(this);
m_sceneView->analysisOverlays()->append(analysisOverlay);
// Create and add the LocationDistanceMeasurement
const Point startLocation(-4.494677, 48.384472, 24.772694, SpatialReference::wgs84());
const Point endLocation(-4.495646, 48.384377, 58.501115, SpatialReference::wgs84());
m_distanceAnalysis = new LocationDistanceMeasurement(startLocation, endLocation, this);
m_distanceAnalysis->setUnitSystem(UnitSystem::Metric);
analysisOverlay->analyses()->append(m_distanceAnalysis);
// Set initial viewpoint
constexpr double distance = 400.0;
constexpr double pitch = 45.0;
constexpr double heading = 0.0;
constexpr double roll = 0.0;
const Camera initCamera(startLocation, distance, heading, pitch, roll);
const Viewpoint initViewpoint(startLocation, distance, initCamera);
m_scene->setInitialViewpoint(initViewpoint);
connectSignals();
}
void DistanceMeasurementAnalysis::connectSignals()
{
// connect to signal to obtain updated distances
connect(m_distanceAnalysis, &LocationDistanceMeasurement::measurementChanged, this, [this](const Distance& directDistance,
const Distance& horizontalDistance,
const Distance& verticalDistance)
{
m_directDistance = QString::number(directDistance.value(), 'f', 2) + QString(" %1").arg(directDistance.unit().abbreviation());
m_horizontalDistance = QString::number(horizontalDistance.value(), 'f', 2) + QString(" %1").arg(horizontalDistance.unit().abbreviation());
m_verticalDistance = QString::number(verticalDistance.value(), 'f', 2) + QString(" %1").arg(verticalDistance.unit().abbreviation());
emit directDistanceChanged();
emit horizontalDistanceChanged();
emit verticalDistanceChanged();
});
// connect to mouse signals to update the analysis
// When the mouse is pressed and held, start updating the distance analysis end point
connect(m_sceneView, &SceneQuickView::mousePressedAndHeld, this, [this](QMouseEvent& mouseEvent)
{
m_isPressAndHold = true;
m_sceneView->screenToLocation(mouseEvent.position().x(), mouseEvent.position().y());
});
// When the mouse is released...
connect(m_sceneView, &SceneQuickView::mouseReleased, this, [this](QMouseEvent& mouseEvent)
{
// Check if the mouse was released from a pan gesture
if (m_isNavigating)
{
m_isNavigating = false;
return;
}
// Ignore if Right click
if (mouseEvent.button() == Qt::RightButton)
return;
// If pressing and holding, do nothing
if (m_isPressAndHold)
m_isPressAndHold = false;
// Else get the location from the screen coordinates
else
m_sceneView->screenToLocation(mouseEvent.position().x(), mouseEvent.position().y());
});
// Update the distance analysis when the mouse moves if it is a press and hold movement
connect(m_sceneView, &SceneQuickView::mouseMoved, this, [this](QMouseEvent& mouseEvent)
{
if (m_isPressAndHold)
m_sceneView->screenToLocation(mouseEvent.position().x(), mouseEvent.position().y());
});
// Set a flag when mousePressed signal emits
connect(m_sceneView, &SceneQuickView::mousePressed, this, [this]
{
m_isNavigating = false;
});
// When screenToLocation completes...
connect(m_sceneView, &SceneQuickView::screenToLocationCompleted, this, [this](const QUuid&, const Point& pt)
{
// If it was from a press and hold, update the end location
if (m_isPressAndHold)
m_distanceAnalysis->setEndLocation(pt);
// Else if it was a normal mouse click (press and release), update the start location
else
m_distanceAnalysis->setStartLocation(pt);
});
// Set a flag when viewpointChanged signal emits
connect(m_sceneView, &SceneQuickView::viewpointChanged, this, [this]
{
m_isNavigating = true;
});
}
void DistanceMeasurementAnalysis::setUnits(const QString& unitName)
{
if (!m_distanceAnalysis)
return;
if (unitName == "Metric")
m_distanceAnalysis->setUnitSystem(UnitSystem::Metric);
else
m_distanceAnalysis->setUnitSystem(UnitSystem::Imperial);
}
QString DistanceMeasurementAnalysis::directDistance() const
{
return m_directDistance;
}
QString DistanceMeasurementAnalysis::horizontalDistance() const
{
return m_horizontalDistance;
}
QString DistanceMeasurementAnalysis::verticalDistance() const
{
return m_verticalDistance;
}