Simple marker symbol

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
// 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.

import UIKit
import ArcGIS

class SimpleMarkerSymbolViewController: UIViewController {
    @IBOutlet var mapView: AGSMapView!

    private let graphicsOverlay = AGSGraphicsOverlay()

    override func viewDidLoad() {
        super.viewDidLoad()

        // add the source code button item to the right of navigation bar
        (self.navigationItem.rightBarButtonItem as! SourceCodeBarButtonItem).filenames = ["SimpleMarkerSymbolViewController"]

        // assign map to the map view
        self.mapView.map = AGSMap(basemapStyle: .arcGISImagery)
        let center = AGSPoint(x: -226773, y: 6550477, spatialReference: .webMercator())
        self.mapView.setViewpoint(AGSViewpoint(center: center, scale: 6500))

        // add graphics overlay to the map view
        self.mapView.graphicsOverlays.add(graphicsOverlay)

        // add a graphic with simple marker symbol
        self.addSimpleMarkerSymbol()
    }

    private func addSimpleMarkerSymbol() {
        // create a simple marker symbol
        let symbol = AGSSimpleMarkerSymbol(style: .circle, color: .red, size: 12)

        // create point
        let point = AGSPoint(x: -226773, y: 6550477, spatialReference: .webMercator())

        // graphic for point using simple marker symbol
        let graphic = AGSGraphic(geometry: point, symbol: symbol, attributes: nil)

        // add the graphic to the graphics overlay
        self.graphicsOverlay.graphics.add(graphic)
    }
}