Display map

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Display a map with an imagery basemap.

screenshot

Use case

The map is the fundamental building block of any GIS application and is used to specify how geographic data is organized and communicated to your users.

How to use the sample

Run the sample to view the map. Pan and zoom to navigate the map.

How it works

  1. Create a Map with a basemap using the BasemapStyle::ArcGISImagery BasemapStyle.
  2. Create a MapView object to display the map.
  3. Set the map to the map view.

Relevant API

  • BasemapStyle
  • Map
  • MapView

Tags

basemap, map

Sample Code

DisplayMap.cppDisplayMap.cppDisplayMap.hDisplayMap.qml
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// [WriteFile Name=DisplayMap, Category=Maps]
// [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 "DisplayMap.h"

#include "Map.h"
#include "MapQuickView.h"
#include "MapTypes.h"

using namespace Esri::ArcGISRuntime;

DisplayMap::DisplayMap(QObject* parent /* = nullptr */):
  QObject(parent),
  m_map(new Map(BasemapStyle::ArcGISImagery, this))
{
}

DisplayMap::~DisplayMap() = default;

void DisplayMap::init()
{
  // Register the map view for QML
  //! [Register the map view for QML]
  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
  //! [Register the map view for QML]
  qmlRegisterType<DisplayMap>("Esri.Samples", 1, 0, "DisplayMapSample");
}

MapQuickView* DisplayMap::mapView() const
{
  return m_mapView;
}

//! [MapQuickView API Snippet]
// Set the view (created in QML)
void DisplayMap::setMapView(MapQuickView* mapView)
{
  if (!mapView || mapView == m_mapView)
    return;

  m_mapView = mapView;
  m_mapView->setMap(m_map);

  emit mapViewChanged();
}
 //! [MapQuickView API Snippet]

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