MapArc class

Creates an arc by connecting the two geographical coordinates.

 late List<Model> _arcs;
 late MapZoomPanBehavior _zoomPanBehavior;
 late MapShapeSource _mapSource;

 @override
 void initState() {
   _zoomPanBehavior = MapZoomPanBehavior(
     focalLatLng: MapLatLng(40.7128, -95.3698),
     zoomLevel: 3,
   );

  _mapSource = MapShapeSource.asset(
     "assets/world_map.json",
     shapeDataField: "continent",
   );

  _arcs = <Model>[
     Model(MapLatLng(40.7128, -74.0060), MapLatLng(44.9778, -93.2650)),
     Model(MapLatLng(40.7128, -74.0060), MapLatLng(33.4484, -112.0740)),
     Model(MapLatLng(40.7128, -74.0060), MapLatLng(29.7604, -95.3698)),
     Model(MapLatLng(40.7128, -74.0060), MapLatLng(39.7392, -104.9903)),
   ];
 super.initState();
 }

 @override
 Widget build(BuildContext context) {
   return Scaffold(
     body: SfMaps(
       layers: [
         MapShapeLayer(
           source: _mapSource,
           zoomPanBehavior: _zoomPanBehavior,
           sublayers: [
             MapArcLayer(
               arcs: List<MapArc>.generate(
                 _arcs.length,
                 (int index) {
                   return MapArc(
                     from: _arcs[index].from,
                     to: _arcs[index].to,
                   );
                 },
               ).toSet(),
             ),
           ],
         ),
       ],
     ),
   );
 }

class Model {
  Model(this.from, this.to);

  MapLatLng from;
  MapLatLng to;
}
Inheritance

Constructors

MapArc({required MapLatLng from, required MapLatLng to, double heightFactor = 0.2, double controlPointFactor = 0.5, List<double>? dashArray, Color? color, double? width, VoidCallback? onTap})
Creates a MapArc.
const

Properties

color → Color?
Color of the arc.
final
controlPointFactor → double
Specifies the arc bending position.
final
dashArray → List<double>?
Apply dash pattern for the arc.
final
from → MapLatLng
Represents the start coordinate of an arc.
final
hashCode → int
The hash code for this object.
no setterinherited
heightFactor → double
Specifies the distance from the line connecting two points to the arc bend point.
final
onTap → VoidCallback?
Callback to receive tap event for this arc.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
to → MapLatLng
Represents the end coordinate of an arc.
final
width → double?
Width of the arc.
final

Methods

debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited