Set initial map location

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// [WriteFile Name=SetInitialMapLocation, Category=Maps]
// [Legal]
// Copyright 2016 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

// sample headers
#include "SetInitialMapLocation.h"

// ArcGIS Maps SDK headers
#include "Map.h"
#include "MapQuickView.h"
#include "MapTypes.h"
#include "Viewpoint.h"

using namespace Esri::ArcGISRuntime;

SetInitialMapLocation::SetInitialMapLocation(QQuickItem* parent) :
  QQuickItem(parent)
{
}

SetInitialMapLocation::~SetInitialMapLocation() = default;

void SetInitialMapLocation::init()
{
  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
  qmlRegisterType<SetInitialMapLocation>("Esri.Samples", 1, 0, "SetInitialMapLocationSample");
}

void SetInitialMapLocation::componentComplete()
{
  QQuickItem::componentComplete();

  // find QML MapView component
  m_mapView = findChild<MapQuickView*>("mapView");

  // Create a new map with the imagery basemap style enum and set its initial lat, long, and scale
  constexpr double lat = -33.867886;
  constexpr double lon = -63.985;
  constexpr double scale = 9027.977411;

  m_map = new Map(BasemapStyle::ArcGISImagery, this);
  m_map->setInitialViewpoint(Viewpoint(lat, lon, scale));
  // set map on the map view
  m_mapView->setMap(m_map);
}