Polygons

Polyline class

google.maps . Polyline class

A polyline is a linear overlay of connected line segments on the map.

This class extends MVCObject .

Access by calling const {Polyline} = await google.maps.importLibrary("maps") .See Libraries in the Maps JavaScript API .

Polyline([opts])
Parameters:
Create a polyline using the passed PolylineOptions , which specify both the path of the polyline and the stroke style to use when drawing the polyline. You may pass either an array of LatLng s or an MVCArray of LatLng s when constructing a polyline, though simple arrays are converted to MVCArray s within the polyline upon instantiation.
getDraggable()
Parameters:  None
Return Value: boolean
Returns whether this shape can be dragged by the user.
getEditable()
Parameters:  None
Return Value: boolean
Returns whether this shape can be edited by the user.
getMap()
Parameters:  None
Return Value: Map |null
Returns the map on which this shape is attached.
getPath()
Parameters:  None
Return Value: MVCArray < LatLng >
Retrieves the path.
getVisible()
Parameters:  None
Return Value: boolean
Returns whether this poly is visible on the map.
setDraggable(draggable)
Parameters:
  • draggable boolean
Return Value:  None
If set to true , the user can drag this shape over the map. The geodesic property defines the mode of dragging.
setEditable(editable)
Parameters:
  • editable boolean
Return Value:  None
If set to true , the user can edit this shape by dragging the control points shown at the vertices and on each segment.
setMap(map)
Parameters:
  • map Map optional
Return Value:  None
Renders this shape on the specified map. If map is set to null , the shape will be removed.
setOptions(options)
Parameters:
Return Value:  None
setPath(path)
Parameters:
Return Value:  None
Sets the path. See PolylineOptions for more details.
setVisible(visible)
Parameters:
  • visible boolean
Return Value:  None
Hides this poly if set to false .
function(event)
Arguments:
This event is fired when the DOM click event is fired on the Polyline.
function(event)
Arguments:
This event is fired when the DOM contextmenu event is fired on Poyline.
function(event)
Arguments:
This event is fired when the DOM dblclick event is fired on the Polyline.
function(event)
Arguments:
This event is repeatedly fired while the user drags the polyline.
function(event)
Arguments:
This event is fired when the user stops dragging the polyline.
function(event)
Arguments:
This event is fired when the user starts dragging the polyline.
function(event)
Arguments:
This event is fired when the DOM mousedown event is fired on the Polyline.
function(event)
Arguments:
This event is fired when the DOM mousemove event is fired on the Polyline.
function(event)
Arguments:
This event is fired on Polyline mouseout.
function(event)
Arguments:
This event is fired on Polyline mouseover.
function(event)
Arguments:
This event is fired when the DOM mouseup event is fired on the Polyline.
function(event)
Arguments:
This event is fired when the Polyline is right-clicked on.

PolylineOptions interface

google.maps . PolylineOptions interface

PolylineOptions object used to define the properties that can be set on a Polyline.

clickable optional
Type: boolean optional
Default: true
Indicates whether this Polyline handles mouse events.
draggable optional
Type: boolean optional
Default: false
If set to true , the user can drag this shape over the map. The geodesic property defines the mode of dragging.
editable optional
Type: boolean optional
Default: false
If set to true , the user can edit this shape by dragging the control points shown at the vertices and on each segment.
geodesic optional
Type: boolean optional
Default: false
When true , edges of the polygon are interpreted as geodesic and will follow the curvature of the Earth. When false , edges of the polygon are rendered as straight lines in screen space. Note that the shape of a geodesic polygon may appear to change when dragged, as the dimensions are maintained relative to the surface of the earth.
icons optional
Type: Array < IconSequence > optional
The icons to be rendered along the polyline.
map optional
Type: Map optional
Map on which to display Polyline.
path optional
Type: MVCArray < LatLng >| Array < LatLng | LatLngLiteral > optional
The ordered sequence of coordinates of the Polyline. This path may be specified using either a simple array of LatLng s, or an MVCArray of LatLng s. Note that if you pass a simple array, it will be converted to an MVCArray Inserting or removing LatLngs in the MVCArray will automatically update the polyline on the map.
strokeColor optional
Type: string optional
The stroke color. All CSS3 colors are supported except for extended named colors.
strokeOpacity optional
Type: number optional
The stroke opacity between 0.0 and 1.0.
strokeWeight optional
Type: number optional
The stroke width in pixels.
visible optional
Type: boolean optional
Default: true
Whether this polyline is visible on the map.
zIndex optional
Type: number optional
The zIndex compared to other polys.

IconSequence interface

google.maps . IconSequence interface

Describes how icons are to be rendered on a line.

If your polyline is geodesic, then the distances specified for both offset and repeat are calculated in meters by default. Setting either offset or repeat to a pixel value will cause the distances to be calculated in pixels on the screen.

fixedRotation optional
Type: boolean optional
Default: false
If true , each icon in the sequence has the same fixed rotation regardless of the angle of the edge on which it lies. If false , case each icon in the sequence is rotated to align with its edge.
icon optional
Type: Symbol optional
The icon to render on the line.
offset optional
Type: string optional
Default: '100%'
The distance from the start of the line at which an icon is to be rendered. This distance may be expressed as a percentage of line's length (e.g. '50%') or in pixels (e.g. '50px').
repeat optional
Type: string optional
Default: 0
The distance between consecutive icons on the line. This distance may be expressed as a percentage of the line's length (e.g. '50%') or in pixels (e.g. '50px'). To disable repeating of the icon, specify '0'.

Polygon class

google.maps . Polygon class

A polygon (like a polyline) defines a series of connected coordinates in an ordered sequence. Additionally, polygons form a closed loop and define a filled region. See the samples in the developer's guide, starting with a simple polygon , a polygon with a hole , and more. Note that you can also use the Data layer to create a polygon. The Data layer offers a simpler way of creating holes because it handles the order of the inner and outer paths for you.

This class extends MVCObject .

Access by calling const {Polygon} = await google.maps.importLibrary("maps") .See Libraries in the Maps JavaScript API .

Polygon([opts])
Parameters:
Create a polygon using the passed PolygonOptions , which specify the polygon's path, the stroke style for the polygon's edges, and the fill style for the polygon's interior regions. A polygon may contain one or more paths, where each path consists of an array of LatLng s. You may pass either an array of LatLngs or an MVCArray of LatLng s when constructing these paths. Arrays are converted to MVCArray s within the polygon upon instantiation.
getDraggable()
Parameters:  None
Return Value: boolean
Returns whether this shape can be dragged by the user.
getEditable()
Parameters:  None
Return Value: boolean
Returns whether this shape can be edited by the user.
getMap()
Parameters:  None
Return Value: Map |null
Returns the map on which this shape is attached.
getPath()
Parameters:  None
Return Value: MVCArray < LatLng >
Retrieves the first path.
getPaths()
Parameters:  None
Return Value: MVCArray < MVCArray < LatLng >>
Retrieves the paths for this polygon.
getVisible()
Parameters:  None
Return Value: boolean
Returns whether this poly is visible on the map.
setDraggable(draggable)
Parameters:
  • draggable boolean
Return Value:  None
If set to true , the user can drag this shape over the map. The geodesic property defines the mode of dragging.
setEditable(editable)
Parameters:
  • editable boolean
Return Value:  None
If set to true , the user can edit this shape by dragging the control points shown at the vertices and on each segment.
setMap(map)
Parameters:
  • map Map optional
Return Value:  None
Renders this shape on the specified map. If map is set to null , the shape will be removed.
setOptions(options)
Parameters:
Return Value:  None
setPath(path)
Parameters:
Return Value:  None
Sets the first path. See PolygonOptions for more details.
setPaths(paths)
Parameters:
Return Value:  None
Sets the path for this polygon.
setVisible(visible)
Parameters:
  • visible boolean
Return Value:  None
Hides this poly if set to false .
function(event)
Arguments:
This event is fired when the DOM click event is fired on the Polygon.
function(event)
Arguments:
This event is fired when the DOM contextmenu event is fired on the Polygon.
function(event)
Arguments:
This event is fired when the DOM dblclick event is fired on the Polygon.
function(event)
Arguments:
This event is repeatedly fired while the user drags the polygon.
function(event)
Arguments:
This event is fired when the user stops dragging the polygon.
function(event)
Arguments:
This event is fired when the user starts dragging the polygon.
function(event)
Arguments:
This event is fired when the DOM mousedown event is fired on the Polygon.
function(event)
Arguments:
This event is fired when the DOM mousemove event is fired on the Polygon.
function(event)
Arguments:
This event is fired on Polygon mouseout.
function(event)
Arguments:
This event is fired on Polygon mouseover.
function(event)
Arguments:
This event is fired when the DOM mouseup event is fired on the Polygon.
function(event)
Arguments:
This event is fired when the Polygon is right-clicked on.

PolygonOptions interface

google.maps . PolygonOptions interface

PolygonOptions object used to define the properties that can be set on a Polygon.

clickable optional
Type: boolean optional
Default: true
Indicates whether this Polygon handles mouse events.
draggable optional
Type: boolean optional
Default: false
If set to true , the user can drag this shape over the map. The geodesic property defines the mode of dragging.
editable optional
Type: boolean optional
Default: false
If set to true , the user can edit this shape by dragging the control points shown at the vertices and on each segment.
fillColor optional
Type: string optional
The fill color. All CSS3 colors are supported except for extended named colors.
fillOpacity optional
Type: number optional
The fill opacity between 0.0 and 1.0
geodesic optional
Type: boolean optional
Default: false
When true , edges of the polygon are interpreted as geodesic and will follow the curvature of the Earth. When false , edges of the polygon are rendered as straight lines in screen space. Note that the shape of a geodesic polygon may appear to change when dragged, as the dimensions are maintained relative to the surface of the earth.
map optional
Type: Map optional
Map on which to display Polygon.
paths optional
The ordered sequence of coordinates that designates a closed loop. Unlike polylines, a polygon may consist of one or more paths. As a result, the paths property may specify one or more arrays of LatLng coordinates. Paths are closed automatically; do not repeat the first vertex of the path as the last vertex. Simple polygons may be defined using a single array of LatLng s. More complex polygons may specify an array of arrays. Any simple arrays are converted into MVCArray s. Inserting or removing LatLng s from the MVCArray will automatically update the polygon on the map.
strokeColor optional
Type: string optional
The stroke color. All CSS3 colors are supported except for extended named colors.
strokeOpacity optional
Type: number optional
The stroke opacity between 0.0 and 1.0
strokePosition optional
Type: StrokePosition optional
The stroke position.
strokeWeight optional
Type: number optional
The stroke width in pixels.
visible optional
Type: boolean optional
Default: true
Whether this polygon is visible on the map.
zIndex optional
Type: number optional
The zIndex compared to other polys.

PolyMouseEvent interface

google.maps . PolyMouseEvent interface

This object is returned from mouse events on polylines and polygons.

This interface extends MapMouseEvent .

edge optional
Type: number optional
The index of the edge within the path beneath the cursor when the event occurred, if the event occurred on a mid-point on an editable polygon.
path optional
Type: number optional
The index of the path beneath the cursor when the event occurred, if the event occurred on a vertex and the polygon is editable. Otherwise undefined .
vertex optional
Type: number optional
The index of the vertex beneath the cursor when the event occurred, if the event occurred on a vertex and the polyline or polygon is editable. If the event does not occur on a vertex, the value is undefined .
Inherited: domEvent , latLng
Inherited: stop

Rectangle class

google.maps . Rectangle class

A rectangle overlay.

This class extends MVCObject .

Access by calling const {Rectangle} = await google.maps.importLibrary("maps") .See Libraries in the Maps JavaScript API .

Rectangle([opts])
Parameters:
Create a rectangle using the passed RectangleOptions , which specify the bounds and style.
getBounds()
Parameters:  None
Return Value: LatLngBounds |null
Returns the bounds of this rectangle.
getDraggable()
Parameters:  None
Return Value: boolean
Returns whether this rectangle can be dragged by the user.
getEditable()
Parameters:  None
Return Value: boolean
Returns whether this rectangle can be edited by the user.
getMap()
Parameters:  None
Return Value: Map |null
Returns the map on which this rectangle is displayed.
getVisible()
Parameters:  None
Return Value: boolean
Returns whether this rectangle is visible on the map.
setBounds(bounds)
Parameters:
Return Value:  None
Sets the bounds of this rectangle.
setDraggable(draggable)
Parameters:
  • draggable boolean
Return Value:  None
If set to true , the user can drag this rectangle over the map.
setEditable(editable)
Parameters:
  • editable boolean
Return Value:  None
If set to true , the user can edit this rectangle by dragging the control points shown at the corners and on each edge.
setMap(map)
Parameters:
  • map Map optional
Return Value:  None
Renders the rectangle on the specified map. If map is set to null , the rectangle will be removed.
setOptions(options)
Parameters:
Return Value:  None
setVisible(visible)
Parameters:
  • visible boolean
Return Value:  None
Hides this rectangle if set to false .
function()
Arguments:  None
This event is fired when the rectangle's bounds are changed.
function(event)
Arguments:
This event is fired when the DOM click event is fired on the rectangle.
function(event)
Arguments:
This event is fired when the DOM contextmenu event is fired on the rectangle.
function(event)
Arguments:
This event is fired when the DOM dblclick event is fired on the rectangle.
function(event)
Arguments:
This event is repeatedly fired while the user drags the rectangle.
function(event)
Arguments:
This event is fired when the user stops dragging the rectangle.
function(event)
Arguments:
This event is fired when the user starts dragging the rectangle.
function(event)
Arguments:
This event is fired when the DOM mousedown event is fired on the rectangle.
function(event)
Arguments:
This event is fired when the DOM mousemove event is fired on the rectangle.
function(event)
Arguments:
This event is fired on rectangle mouseout.
function(event)
Arguments:
This event is fired on rectangle mouseover.
function(event)
Arguments:
This event is fired when the DOM mouseup event is fired on the rectangle.
function(event)
Arguments:
This event is fired when the rectangle is right-clicked on.

RectangleOptions interface

google.maps . RectangleOptions interface

RectangleOptions object used to define the properties that can be set on a Rectangle.

bounds optional
The bounds.
clickable optional
Type: boolean optional
Default: true
Indicates whether this Rectangle handles mouse events.
draggable optional
Type: boolean optional
Default: false
If set to true , the user can drag this rectangle over the map.
editable optional
Type: boolean optional
Default: false
If set to true , the user can edit this rectangle by dragging the control points shown at the corners and on each edge.
fillColor optional
Type: string optional
The fill color. All CSS3 colors are supported except for extended named colors.
fillOpacity optional
Type: number optional
The fill opacity between 0.0 and 1.0
map optional
Type: Map optional
Map on which to display Rectangle.
strokeColor optional
Type: string optional
The stroke color. All CSS3 colors are supported except for extended named colors.
strokeOpacity optional
Type: number optional
The stroke opacity between 0.0 and 1.0
strokePosition optional
Type: StrokePosition optional
The stroke position.
strokeWeight optional
Type: number optional
The stroke width in pixels.
visible optional
Type: boolean optional
Default: true
Whether this rectangle is visible on the map.
zIndex optional
Type: number optional
The zIndex compared to other polys.

Circle class

google.maps . Circle class

A circle on the Earth's surface; also known as a "spherical cap".

This class extends MVCObject .

Access by calling const {Circle} = await google.maps.importLibrary("maps") .See Libraries in the Maps JavaScript API .

Circle([circleOrCircleOptions])
Parameters:
Create a circle using the passed CircleOptions , which specify the center, radius, and style.
getBounds()
Parameters:  None
Return Value: LatLngBounds |null
Gets the LatLngBounds of this Circle.
getCenter()
Parameters:  None
Return Value: LatLng |null
Returns the center of this circle.
getDraggable()
Parameters:  None
Return Value: boolean
Returns whether this circle can be dragged by the user.
getEditable()
Parameters:  None
Return Value: boolean
Returns whether this circle can be edited by the user.
getMap()
Parameters:  None
Return Value: Map |null
Returns the map on which this circle is displayed.
getRadius()
Parameters:  None
Return Value: number
Returns the radius of this circle (in meters).
getVisible()
Parameters:  None
Return Value: boolean
Returns whether this circle is visible on the map.
setCenter(center)
Parameters:
Return Value:  None
Sets the center of this circle.
setDraggable(draggable)
Parameters:
  • draggable boolean
Return Value:  None
If set to true , the user can drag this circle over the map.
setEditable(editable)
Parameters:
  • editable boolean
Return Value:  None
If set to true , the user can edit this circle by dragging the control points shown at the center and around the circumference of the circle.
setMap(map)
Parameters:
  • map Map optional
Return Value:  None
Renders the circle on the specified map. If map is set to null , the circle will be removed.
setOptions(options)
Parameters:
Return Value:  None
setRadius(radius)
Parameters:
  • radius number
Return Value:  None
Sets the radius of this circle (in meters).
setVisible(visible)
Parameters:
  • visible boolean
Return Value:  None
Hides this circle if set to false .
function()
Arguments:  None
This event is fired when the circle's center is changed.
function(event)
Arguments:
This event is fired when the DOM click event is fired on the circle.
function(event)
Arguments:
This event is fired when the DOM dblclick event is fired on the circle.
function(event)
Arguments:
This event is repeatedly fired while the user drags the circle.
function(event)
Arguments:
This event is fired when the user stops dragging the circle.
function(event)
Arguments:
This event is fired when the user starts dragging the circle.
function(event)
Arguments:
This event is fired when the DOM mousedown event is fired on the circle.
function(event)
Arguments:
This event is fired when the DOM mousemove event is fired on the circle.
function(event)
Arguments:
This event is fired on circle mouseout.
function(event)
Arguments:
This event is fired on circle mouseover.
function(event)
Arguments:
This event is fired when the DOM mouseup event is fired on the circle.
function()
Arguments:  None
This event is fired when the circle's radius is changed.
function(event)
Arguments:
This event is fired when the circle is right-clicked on.

CircleOptions interface

google.maps . CircleOptions interface

CircleOptions object used to define the properties that can be set on a Circle.

center optional
Type: LatLng | LatLngLiteral optional
The center of the Circle.
clickable optional
Type: boolean optional
Default: true
Indicates whether this Circle handles mouse events.
draggable optional
Type: boolean optional
Default: false
If set to true , the user can drag this circle over the map.
editable optional
Type: boolean optional
Default: false
If set to true , the user can edit this circle by dragging the control points shown at the center and around the circumference of the circle.
fillColor optional
Type: string optional
The fill color. All CSS3 colors are supported except for extended named colors.
fillOpacity optional
Type: number optional
The fill opacity between 0.0 and 1.0.
map optional
Type: Map optional
Map on which to display the Circle.
radius optional
Type: number optional
The radius in meters on the Earth's surface.
strokeColor optional
Type: string optional
The stroke color. All CSS3 colors are supported except for extended named colors.
strokeOpacity optional
Type: number optional
The stroke opacity between 0.0 and 1.0.
strokePosition optional
Type: StrokePosition optional
The stroke position.
strokeWeight optional
Type: number optional
The stroke width in pixels.
visible optional
Type: boolean optional
Default: true
Whether this circle is visible on the map.
zIndex optional
Type: number optional
The zIndex compared to other polys.

StrokePosition constants

google.maps . StrokePosition constants

The possible positions of the stroke on a polygon.

Access by calling const {StrokePosition} = await google.maps.importLibrary("maps") .See Libraries in the Maps JavaScript API .

CENTER The stroke is centered on the polygon's path, with half the stroke inside the polygon and half the stroke outside the polygon.
INSIDE The stroke lies inside the polygon.
OUTSIDE The stroke lies outside the polygon.
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