Class: MapVLayer

MapVLayer

The MapV layer calss.

new SuperMap.Layer.MapVLayer(name, options)

MapVLayer.js, line 4
Name Type Description
name string

The layer name.
options Object

parameters.

Name Type Description
dataSet Mapv.DataSet

The dataset object of the mapv.
options Object

The configuration information of the mapv drawing style.

Extends

Members

canvasCanvas

The main rendering panel of the MapV.

dataSetmapv.DataSet

The dataset object of the mapv.

optionsObject

The configuration information of the mapv drawing style.

supportedboolean

Whether the current browser supports canvas rendering, the default is false. This determines whether the MapV is available, use of the internal judgment.

Methods

addData(dataSet, options)

MapVLayer.js, line 95

Add data.

Name Type Description
dataSet mapv.DataSet

The mapv dataset.
options Object

Parameters of the mapv drawing.

clearData()

MapVLayer.js, line 145

Clear data.

destroy()

MapVLayer.js, line 78

getData(){mapv.DataSet}

MapVLayer.js, line 117

Get data.

Returns:
Type Description
mapv.DataSet
  • The mapV dataset.

moveTo(bounds, zoomChanged, dragging)

MapVLayer.js, line 170

Reset the div of the current MapV layer and consistent with the Map control once again. Modify the current display bounds, redraw the rendering effect of the MapV map after the translation or scaling.

Name Type Description
bounds SuperMap.Bounds

The layer bounds
zoomChanged boolean optional

Whether the zoom level is changes or not.
dragging boolean optional

Whether or not to drag.

removeData(filter)

MapVLayer.js, line 129

Delete data that conforms to the filter conditions.

Name Type Description
filter function

The filter conditions, the conditions parameter is data items.The return value is true, meaning to delete this element, otherwise the expression is not deleted.
Example
filter=function(data){
   if(data.id=="1"){
     return true
   }
   return false;
 }

setMap(map)

MapVLayer.js, line 154

Layer has been added to the Map. If the current browser supports canvas, start to rendering elements. If don't supports canvas remove this layer.

Name Type Description
map SuperMap.Map

Map objects that need to be bound.

deprecated transferToMapLatLng(latLng)

MapVLayer.js, line 211

Transform the Latitude and longitude to the projection coordinate of the map.

Name Type Description
latLng SuperMap.Lonlat

The SuperMap.Lonlat