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// [WriteFile Name=CreateGeometries, Category=Geometry]
// [Legal]
// Copyright 2018 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 "CreateGeometries.h"
#include "Map.h"
#include "MapQuickView.h"
#include "Graphic.h"
#include "GraphicsOverlay.h"
#include "Geometry.h"
#include "Point.h"
#include "PolygonBuilder.h"
#include "PolylineBuilder.h"
#include "MultipointBuilder.h"
#include "SimpleFillSymbol.h"
#include "SimpleLineSymbol.h"
#include "SimpleMarkerSymbol.h"
#include "MapTypes.h"
#include "Error.h"
#include "GraphicsOverlayListModel.h"
#include "SymbolTypes.h"
#include "GraphicListModel.h"
#include "PointCollection.h"
#include "TaskWatcher.h"
#include "SpatialReference.h"
#include "Envelope.h"
using namespace Esri::ArcGISRuntime;
CreateGeometries::CreateGeometries(QQuickItem* parent /* = nullptr */):
QQuickItem(parent)
{
}
void CreateGeometries::init()
{
// Register the map view for QML
qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
qmlRegisterType<CreateGeometries>("Esri.Samples", 1, 0, "CreateGeometriesSample");
}
void CreateGeometries::componentComplete()
{
QQuickItem::componentComplete();
// find QML MapView component
m_mapView = findChild<MapQuickView*>("mapView");
// Create a map using the topographic basemap
m_map = new Map(BasemapStyle::ArcGISTopographic, this);
// Add a Graphics Overlay to the map view
m_graphicsOverlay = new GraphicsOverlay(this);
m_mapView->graphicsOverlays()->append(m_graphicsOverlay);
// Add graphics to the overlay once the map loads
connect(m_map, &Map::doneLoading, this, [this](Error e)
{
if (!e.isEmpty())
return;
addGraphics();
});
// Set map to map view
m_mapView->setMap(m_map);
}
// function to add Graphics to a Graphics Overlay
void CreateGeometries::addGraphics()
{
// Create a simple fill symbol - used to render a polygon covering Colorado.
SimpleFillSymbol* simpleFillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle::Cross, QColor("blue"), this);
// Create a simple line symbol - used to render a polyline border between California and Nevada.
SimpleLineSymbol* simpleLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle::Solid, QColor("blue"), 3.0f /*width*/, this);
// Create a simple marker symbol - used to render multi-points for various state capital locations in the Western United States.
SimpleMarkerSymbol* simpleMarkerSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle::Triangle, QColor("blue"), 14.0f /*size*/, this);
// Create a simple marker symbol - used to render a map point where the Esri headquarters is located.
SimpleMarkerSymbol* simpleMarkerSymbol2 = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle::Diamond, QColor("red"), 18.0f /*size*/, this);
// Add a graphic to the graphic collection - polygon with a simple fill symbol.
m_graphicsOverlay->graphics()->append(new Graphic(createPolygon(), simpleFillSymbol, this));
// Add a graphic to the graphic collection - polyline with a simple line symbol.
m_graphicsOverlay->graphics()->append(new Graphic(createPolyline(), simpleLineSymbol, this));
// Add a graphic to the graphic collection - map point with a simple marker symbol.
m_graphicsOverlay->graphics()->append(new Graphic(createPoint(), simpleMarkerSymbol2, this));
// Add a graphic to the graphic collection - multi-point with a simple marker symbol.
m_graphicsOverlay->graphics()->append(new Graphic(createMultipoint(), simpleMarkerSymbol, this));
// Zoom to the extent of an envelope with some padding (10 device-independent pixels).
m_mapView->setViewpointGeometry(createEnvelope(), 10);
}
// Return an envelope that covers the extent of the western United States.
Geometry CreateGeometries::createEnvelope() const
{
constexpr double xMin = -123.0;
constexpr double yMin = 33.5;
constexpr double xMax = -101.0;
constexpr double yMax = 48.0;
const SpatialReference spatialRef(4326);
return Envelope(xMin, yMin, xMax, yMax, spatialRef);
}
Geometry CreateGeometries::createPolygon() const
{
// Create a polygon builder
const SpatialReference spatialRef(4326);
PolygonBuilder polygonBuilder(spatialRef);
// add points to the builder that approximates the boundary of Colorado.
polygonBuilder.addPoint(-109.048, 40.998);
polygonBuilder.addPoint(-102.047, 40.998);
polygonBuilder.addPoint(-102.037, 36.989);
polygonBuilder.addPoint(-109.048, 36.998);
// Return the geometry.
return polygonBuilder.toGeometry();
}
Geometry CreateGeometries::createPolyline() const
{
// Create a polyline builder
const SpatialReference spatialRef(4326);
PolylineBuilder polylineBuilder(spatialRef);
// add points to the builder that approximates the border between California and Nevada.
polylineBuilder.addPoint(-119.992, 41.989);
polylineBuilder.addPoint(-119.994, 38.994);
polylineBuilder.addPoint(-114.620, 35.0);
// Return the geometry.
return polylineBuilder.toGeometry();
}
Geometry CreateGeometries::createPoint() const
{
constexpr double x = -117.195800;
constexpr double y = 34.056295;
const SpatialReference spatialRef(4326);
// Return a map point where the Esri headquarters is located.
return Point(x, y, spatialRef);
}
Geometry CreateGeometries::createMultipoint() const
{
// Create a polygon builder
const SpatialReference spatialRef(4326);
MultipointBuilder multipointBuilder(spatialRef);
// add points to the builder representing various state capital locations in the Western United States.
multipointBuilder.points()->addPoint(-121.491014, 38.579065); // - Sacramento, CA
multipointBuilder.points()->addPoint(-122.891366, 47.039231); // - Olympia, WA
multipointBuilder.points()->addPoint(-123.043814, 44.93326); // - Salem, OR
multipointBuilder.points()->addPoint(-119.766999, 39.164885); // - Carson City, NV
// Return the geometry.
return multipointBuilder.toGeometry();
}
