SCALE

Used in

Servers

Image ArcMap

Parent elements

Syntax

<SCALE	Attribute Description Table
When using ArcMap Server: *(r)rf="double"* *(r)x="double"* *(r)y="double"* When using Image Server: *(r)rf="double"* > No Child Elements </SCALE >
(r): Attribute or child element is required.

Description

When using ArcMap Image Services, defines the relative scale and center point from data frames in an ArcMap layout. When using Image Services, defines the relative scale of the returned image.

Restrictions

When using ArcMap Image Services, valid only when using GET_LAYOUT.
SCALE is returned in an IMAGE response only for Image Services.

Attribute Descriptions for SCALE

When using ArcMap Server:

Attribute	Usage
rf	Relative factor such as 1:24000. Use only the factor value. The value for rf in this case would be "24000".
x	X-coordinate representing the center of the map.
y	Y-coordinate representing the center of the map.

When using Image Server:

Attribute	Usage
rf	Relative scale such as 1:24000. The entire relative scale is returned, in this case "1: 24000".

Examples for SCALE

Example 1: When in a GET_LAYOUT request.

<?xml version="1.0" encoding="UTF-8"?>
<ARCXML version="1.1">
<REQUEST>
  <GET_LAYOUT>
    <PROPERTIES>
      <IMAGESIZE width="500" height="700"/>
        <OUTPUT type="jpg"/>
        <ENVELOPE minx="0" miny="0" maxx="11" maxy="8.5" />
      </PROPERTIES>
      <DATAFRAME id="Layers">
        <SCALE rf="77000" y="37.32" x="-121.91" />
      </DATAFRAME>
    </GET_LAYOUT>
  </REQUEST>
</ARCXML>

Example 2: When in an IMAGE response.

<?xml version="1.0" encoding="UTF-8"?>
<ARCXML version="1.1">
  <RESPONSE>
    <IMAGE>
      <ENVELOPE minx="-180" miny="-135" maxx="180" maxy="135" />
      <SCALE rf="1:189118841.30308" />
      <OUTPUT url="http://washoe/output/crayola_i_washoe6528584339.png" />
    </IMAGE>
  </RESPONSE>
</ARCXML>