Symbol Objects

Overview

This document discusses the JSON symbol (and its supporting) objects as returned by the REST API.

The following objects are discussed here:

Color
Simple Marker Symbol
Simple Line Symbol
Simple Fill Symbol
Picture Marker Symbol
Picture Fill Symbol
Text Symbol

Color

Color is represented as a 4-element array. The 4 elements represent values for red, green, blue and alpha in that order. Values range from 0 through 255. If color is undefined for a symbol, then color value is null.

JSON Syntax

[ <red>, <green>, <blue>, <alpha> ]

JSON Example

[ 67, 0, 255, 40 ]

Simple Marker Symbol

Simple marker symbols can be used to symbolize point geometries. The type property for simple marker symbols is esriSMS.

JSON Syntax

{
"type" : "esriSMS",
"style" : "< esriSMSCircle | esriSMSCross | esriSMSDiamond | esriSMSSquare | esriSMSX >",
"color" : <color>,
"size" : <size>,
"angle" : <angle>,
"xoffset" : <xoffset>,
"yoffset" : <yoffset>,
"outline" : { //if outline has been specified
  "color" : <color>,
  "width" : <width>
}
}

JSON Example

{
"type": "esriSMS",
 "style": "esriSMSSquare",
 "color": [76,115,0,255],
 "size": 8,
 "angle": 0,
 "xoffset": 0,
 "yoffset": 0,
 "outline": 
  {
  "color": [152,230,0,255],
   "width": 1
  }
}

Simple Line Symbol

Simple line symbols can be used to symbolize polyline geometries or outlines for polygon fills. The type property for simple line symbols is esriSLS.

JSON Syntax

{
"type" : "esriSLS",
"style" : "< esriSLSDash | esriSLSDashDot | esriSLSDashDotDot | esriSLSDot | esriSLSNull | esriSLSSolid >",
"color" : <color>,
"width" : <width>
}

JSON Example

{
"type": "esriSLS",
"style": "esriSLSDot",
"color": [115,76,0,255],
"width": 1
}

Simple Fill Symbol

Simple fill symbols can be used to symbolize polygon geometries. The type property for simple fill symbols is esriSFS.

JSON Syntax

{
"type" : "esriSFS",
"style" : "< esriSFSBackwardDiagonal | esriSFSCross | esriSFSDiagonalCross | esriSFSForwardDiagonal | esriSFSHorizontal | esriSFSNull | esriSFSSolid | esriSFSVertical >",
"color" : <color>,
"outline" : <simpleLineSymbol> //if outline has been specified
}

JSON Example

{
  "type": "esriSFS",
  "style": "esriSFSSolid",
  "color": [115,76,0,255],
    "outline": {
     "type": "esriSLS",
     "style": "esriSLSSolid",
     "color": [110,110,110,255],
     "width": 1
	 }
}

Picture Marker Symbol

Picture marker symbols can be used to symbolize point geometries. The type property for picture marker symbols is esriPMS.

These symbols include the base64 encoded imageData as well as a url that could be used to retrieve the image from the server. Note that this is a relative URL for static layers and a full URL for dynamic layers in a Map Service. A relative URL can be dereferenced by accessing the map layer image resource or the feature layer image resource.

JSON Syntax

{
  "type" : "esriPMS",
  "url" : "<imageUrl>", //Relative URL for static layers and full URL for dynamic layers. Access relative URL using http://<mapservice-url>/<layerId1>/images/<imageUrl11>
  "imageData" : "<base64EncodedImageData>",
  "contentType" : "<imageContentType>",
  "width" : <width>,
  "height" : <height>,
  "angle" : <angle>,
  "xoffset" : <xoffset>,
  "yoffset" : <yoffset>
}

JSON Example

{
  "type" : "esriPMS", 
  "url" : "471E7E31", 
  "imageData" : "iVBORw0KGgoAAAANSUhEUgAAABoAAAAaCAYAAACpSkzOAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAMNJREFUSIntlcENwyAMRZ+lSMyQFcI8rJA50jWyQuahKzCDT+6h0EuL1BA1iip8Qg/Ex99fYuCkGv5bKK0EcB40YgSE7bnTxsa58LeOnMd0QhwGXkxB3L0w0IDxPaMqpBFxjLMuaSVmRjurWIcRDHxaiWZuEbRcEhpZpSNhE9O81GiMN5E0ZRt2M0iVjshek8UkTQfZy8JqGHYP/rJhODD4T6wehtbB9zD0MPQwlOphaAxD/uPLK7Z8MB5gFet+WKcJPQDx29XkRhqr/AAAAABJRU5ErkJggg==", 
  "contentType" : "image/png", 
  "width" : 19.5, 
  "height" : 19.5, 
  "angle" : 0, 
  "xoffset" : 0, 
  "yoffset" : 0
}

Picture Fill Symbol

Picture fill symbols can be used to symbolize polygon geometries. The type property for picture fill symbols is esriPFS.

JSON Syntax

{
  "type" : "esriPFS",
  "url" : "<imageUrl>", //Relative URL for static layers and full URL for dynamic layers. Access relative URL using http://<mapservice-url>/<layerId1>/images/<imageUrl11>
  "imageData" : "<base64EncodedImageData>",
  "contentType" : "<imageContentType>",
  "outline" : <simpleLineSymbol>, //if outline has been specified
  "width" : <width>,
  "height" : <height>,
  "angle" : <angle>,
  "xoffset" : <xoffset>,
  "yoffset" : <yoffset>,
  "xscale": <xscale>,
  "yscale": <yscale>
}

JSON Example

{
  "type" : "esriPFS", 
  "url" : "866880A0", 
  "imageData" : "iVBORw0KGgoAAAANSUhEUgAAAFQAAABUCAYAAAAcaxDBAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAM9JREFUeJzt0EEJADAMwMA96l/zTBwUSk5ByLxQsx1wTUOxhmINxRqKNRRrKNZQrKFYQ7GGYg3FGoo1FGso1lCsoVhDsYZiDcUaijUUayjWUKyhWEOxhmINxRqKNRRrKNZQrKFYQ7GGYg3FGoo1FGso1lCsoVhDsYZiDcUaijUUayjWUKyhWEOxhmINxRqKNRRrKNZQrKFYQ7GGYg3FGoo1FGso1lCsoVhDsYZiDcUaijUUayjWUKyhWEOxhmINxRqKNRRrKNZQrKFYQ7GGYh/hIwFRFpnZNAAAAABJRU5ErkJggg==", 
  "contentType" : "image/png", 
  "outline" : 
  {
    "type" : "esriSLS", 
    "style" : "esriSLSSolid", 
    "color" : [110,110,110,255], 
    "width" : 1
  }, 
  "width" : 63, 
  "height" : 63, 
  "angle" : 0, 
  "xoffset" : 0, 
  "yoffset" : 0, 
  "xscale" : 1, 
  "yscale" : 1
}

Text Symbol

Text symbols are used to add text to a feature (labeling). The type property for text symbols is esriTS.

New in 10.1

Four new properties were added - text, borderLineSize, haloColor and haloSize.

Note:

When used in a dynamicLayer to specify a labeling object, as part of drawingInfo, angle property is ignored. Also, the labeling engine might override verticalAlignment and horizontalAlignment values for proper label placement.
When used in a Export Web Map Task, as part of specifying a client-side graphic, use text to specify the text that appears on the graphic. Text symbol using in export web map task supports angle, horizontalAlignment and verticalAlignment properties. It does not support transparency (alpha) used in color.
Support for font - style and weight properties are dependent on the specified font. Not all fonts support all the values. In most cases bold and bolder are the same.

JSON Syntax

{
  "type" : "esriTS",
  "color" : <color>,
  "backgroundColor" : <color>,
  "borderLineSize" : <size>,
  "borderLineColor" : <color>,
  "haloSize" : <size>,
  "haloColor" : <color>,
  "verticalAlignment" : "<baseline | top | middle | bottom>",
  "horizontalAlignment" : "<left | right | center | justify>",
  "rightToLeft" : <true | false>,
  "angle" : <angle>,
  "xoffset" : <xoffset>,
  "yoffset" : <yoffset>,
  "kerning" : <true | false>,
  "font" : {
    "family" : "<fontFamily>",
    "size" : <fontSize>,
    "style" : "<italic | normal | oblique>",
    "weight" : "<bold | bolder | lighter | normal>",
    "decoration" : "<line-through | underline | none>"
  },
  "text" : "<client-side graphic text>" //only applicable when specified as a client-side graphic.
}

JSON Example

{
     "type": "esriTS",
     "color": [78,78,78,255],
     "backgroundColor": [0,0,0,0],
     "borderLineSize": 2,
     "borderLineColor": [255,0,255,255],
     "haloSize": 2,
     "haloColor": [0,255,0,255],
     "verticalAlignment": "bottom",
     "horizontalAlignment": "left",
     "rightToLeft": false,
     "angle": 0,
     "xoffset": 0,
     "yoffset": 0,
     "kerning": true,
     "font": {
      "family": "Arial",
      "size": 12,
      "style": "normal",
      "weight": "bold",
      "decoration": "none"
     }
}