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LineSymbolMarker | API Reference | ArcGIS Maps SDK for JavaScript 4.33

ESM: import LineSymbolMarker from "@arcgis/core/symbols/LineSymbolMarker.js";

CDN: const LineSymbolMarker = await $arcgis.import("@arcgis/core/symbols/LineSymbolMarker.js");

Class: @arcgis/core/symbols/LineSymbolMarker

Since: ArcGIS Maps SDK for JavaScript 4.16

LineSymbolMarker is used for rendering a simple marker graphic on a SimpleLineSymbol. Markers can enhance the cartographic information of a line by providing additional visual cues about the associated feature.

If you are in a 3D SceneView use a LineSymbol3DLayer which has support for LineStyleMarker3D.

See also

• Symbol Builder

• Renderer
• Graphic

Example

const lineSymbol = new SimpleLineSymbol({
   color: "gray",
   width: 1.5,
   // Define a blue "x" marker at the beginning of the line
   marker: { // autocasts from LineSymbolMarker
      style: "x",
      color: "blue",
      placement: "begin"
   }
});

LineSymbolMarker Constructor new LineSymbolMarker(properties)

Parameter

optional

See the properties for a list of all the properties that may be passed into the constructor.

Example

const lineSymbolMarker = new LineSymbolMarker({
  color: "blue",
  placement: "begin-end",
  style: "arrow"
});

Show inherited properties Hide inherited properties

The color of the marker. If not specified, the marker will match the color of the line.

declaredClass

Inherited

Property declaredClass Stringreadonly

The name of the class. The declared class name is formatted as esri.folder.className.

placement Property placement String

The placement of the marker(s) on the line. Possible values are listed in the table below.

Value Description begin Single marker at the start of the line end Single marker at the end of the line begin-end Two markers, one at the start and one at the end of the line

Possible Values:"begin" |"end" |"begin-end"

Default Value:"begin-end"

The marker style. Possible values are listed in the table below.

Possible Values:"arrow" |"circle" |"square" |"diamond" |"cross" |"x"

Show inherited methods Hide inherited methods

addHandles

Inherited

Method addHandles(handleOrHandles, groupKey)

Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, addHandles added at 4.25.

Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.

// Manually manage handles
const handle = reactiveUtils.when(
  () => !view.updating,
  () => {
    wkidSelect.disabled = false;
  },
  { once: true }
);

this.addHandles(handle);

// Destroy the object
this.destroy();

Parameters

Handles marked for removal once the object is destroyed.

groupKey *

optional

Key identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.

hasHandles

Inherited

Method hasHandles(groupKey){Boolean}

Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, hasHandles added at 4.25.

Returns true if a named group of handles exist.

Parameter

groupKey *

optional

A group key.

Returns

Type Description Boolean Returns true if a named group of handles exist.

Example

// Remove a named group of handles if they exist.
if (obj.hasHandles("watch-view-updates")) {
  obj.removeHandles("watch-view-updates");
}

removeHandles

Inherited

Method removeHandles(groupKey)

Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, removeHandles added at 4.25.

Removes a group of handles owned by the object.

Parameter

groupKey *

optional

A group key or an array or collection of group keys to remove.

Example

obj.removeHandles(); // removes handles from default group

obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");

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