KmlLayer class
google.maps.KmlLayer
class
A KmlLayer
adds geographic markup to the map from a KML, KMZ or GeoRSS file that is hosted on a publicly accessible web server. A KmlFeatureData
object is provided for each feature when clicked.
This class extends
MVCObject
.
Access by calling const {KmlLayer} = await google.maps.importLibrary("maps")
. See Libraries in the Maps JavaScript API.
Constructor | |
---|---|
KmlLayer |
KmlLayer([opts]) Parameters:
Creates a KmlLayer which renders the contents of the specified KML/KMZ file (https://developers.google.com/kml/documentation/kmlreference) or GeoRSS file (http://www.georss.org). |
Methods | |
---|---|
getDefaultViewport |
getDefaultViewport() Parameters: None
Return Value:
LatLngBounds Get the default viewport for the layer being displayed. |
getMap |
getMap() Parameters: None
Return Value:
Map Get the map on which the KML Layer is being rendered. |
getMetadata |
getMetadata() Parameters: None
Return Value:
KmlLayerMetadata Get the metadata associated with this layer, as specified in the layer markup. |
getStatus |
getStatus() Parameters: None
Return Value:
KmlLayerStatus Get the status of the layer, set once the requested document has loaded. |
getUrl |
getUrl() Parameters: None
Return Value:
string URLGets the URL of the KML file being displayed. |
getZIndex |
getZIndex() Parameters: None
Return Value:
number The z-index.Gets the z-index of the KML Layer. |
setMap |
setMap(map) Parameters:
Return Value: None
Renders the KML Layer on the specified map. If map is set to null , the layer is removed. |
setOptions |
setOptions(options) Parameters:
Return Value: None
|
setUrl |
setUrl(url) Parameters:
Return Value: None
Sets the URL of the KML file to display. |
setZIndex |
setZIndex(zIndex) Parameters:
Return Value: None
Sets the z-index of the KML Layer. |
Inherited:
addListener ,
bindTo ,
get ,
notify ,
set ,
setValues ,
unbind ,
unbindAll
|
Events | |
---|---|
click |
function(kmlClickEvent) Arguments:
This event is fired when a feature in the layer is clicked. |
defaultviewport_changed |
function() Arguments: None
This event is fired when the KML layers default viewport has changed. |
status_changed |
function() Arguments: None
This event is fired when the KML layer has finished loading. At this point it is safe to read the status property to determine if the layer loaded successfully. |
KmlLayerOptions interface
google.maps.KmlLayerOptions
interface
This object defines the properties that can be set on a KmlLayer
object.
Properties | |
---|---|
clickable optional |
Type:
boolean optional Default:
true If true , the layer receives mouse events. |
map optional |
Type:
Map optional The map on which to display the layer. |
preserveViewport optional |
Type:
boolean optional Default:
false If this option is set to true or if the map's center and zoom were never set, the input map is centered and zoomed to the bounding box of the contents of the layer. |
screenOverlays optional |
Type:
boolean optional Default:
true Whether to render the screen overlays. |
suppressInfoWindows optional |
Type:
boolean optional Suppress the rendering of info windows when layer features are clicked. |
url optional |
Type:
string optional The URL of the KML document to display. |
zIndex optional |
Type:
number optional The z-index of the layer. |
KmlLayerMetadata interface
google.maps.KmlLayerMetadata
interface
Metadata for a single KML layer, in JSON format.
Properties | |
---|---|
description |
Type:
string The layer's <description> , extracted from the layer markup. |
hasScreenOverlays |
Type:
boolean Whether the layer has any screen overlays. |
name |
Type:
string The layer's <name> , extracted from the layer markup. |
snippet |
Type:
string The layer's <Snippet> , extracted from the layer markup |
author optional |
Type:
KmlAuthor optional The layer's <atom:author> , extracted from the layer markup. |
KmlLayerStatus constants
google.maps.KmlLayerStatus
constants
The status returned by KmlLayer
on the completion of loading a document. Specify these by value, or by using the constant's name. For example, 'OK'
or google.maps.KmlLayerStatus.OK
.
Access by calling const {KmlLayerStatus} = await google.maps.importLibrary("maps")
. See Libraries in the Maps JavaScript API.
Constants | |
---|---|
DOCUMENT_NOT_FOUND |
The document could not be found. Most likely it is an invalid URL, or the document is not publicly available. |
DOCUMENT_TOO_LARGE |
The document exceeds the file size limits of KmlLayer. |
FETCH_ERROR |
The document could not be fetched. |
INVALID_DOCUMENT |
The document is not a valid KML, KMZ or GeoRSS document. |
INVALID_REQUEST |
The KmlLayer is invalid. |
LIMITS_EXCEEDED |
The document exceeds the feature limits of KmlLayer. |
OK |
The layer loaded successfully. |
TIMED_OUT |
The document could not be loaded within a reasonable amount of time. |
UNKNOWN |
The document failed to load for an unknown reason. |
KmlMouseEvent interface
google.maps.KmlMouseEvent
interface
The properties of a click event on a KML/KMZ or GeoRSS document.
Properties | |
---|---|
featureData |
Type:
KmlFeatureData A KmlFeatureData object, containing information about the clicked feature. |
latLng |
Type:
LatLng The position at which to anchor an infowindow on the clicked feature. |
pixelOffset |
Type:
Size The offset to apply to an infowindow anchored on the clicked feature. |
KmlFeatureData interface
google.maps.KmlFeatureData
interface
Data for a single KML feature in JSON format, returned when a KML feature is clicked. The data contained in this object mirrors that associated with the feature in the KML or GeoRSS markup in which it is declared.
Properties | |
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author |
Type:
KmlAuthor The feature's <atom:author> , extracted from the layer markup (if specified). |
description |
Type:
string The feature's <description> , extracted from the layer markup. |
id |
Type:
string The feature's <id> , extracted from the layer markup. If no <id> has been specified, a unique ID will be generated for this feature. |
infoWindowHtml |
Type:
string The feature's balloon styled text, if set. |
name |
Type:
string The feature's <name> , extracted from the layer markup. |
snippet |
Type:
string The feature's <Snippet> , extracted from the layer markup. |
KmlAuthor interface
google.maps.KmlAuthor
interface
Contains details of the author of a KML document or feature.