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ScreenPoint | API Reference | ArcGIS API for JavaScript 3.46

require(["esri/geometry/ScreenPoint"], function(ScreenPoint) { /* code goes here */ });

Description

(Added at v3.3)

ScreenPoint represents a point in terms of pixels relative to the top-left corner of the map control. Prior to version 3.3, a screen point was represented using a regular Point where the point object is defined without a spatial reference.

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Constructors Properties x Number X-coordinate relative to the top-left corner of the map control in pixels. y Number Y-coordinate relative to the top-left corner of the map control in pixels. Methods

Constructor Details

Creates a new ScreenPoint object with X-, Y- coordinates.

Parameters: <Number> x Required X-coordinate relative to the top-left corner of the map control in pixels. <Number> y Required Y-coordinate relative to the top-left corner of the map control in pixels.

Creates a new ScreenPoint object with an array containing X-, Y- coordinates.

Parameters: <Number[]> coords Required An array that includes X-, Y- coordinates. For example: [100,50].

Creates a new ScreenPoint object with a JSON object.

Parameters: <Object> json Required A JSON object that includes X-, Y- coordinates.

Property Details

X-coordinate relative to the top-left corner of the map control in pixels.

Y-coordinate relative to the top-left corner of the map control in pixels.

Method Details

Offsets the point in an x and y direction.

Parameters: <Number> dx Required Value for x-coordinate of point. <Number> dy Required Value for y-coordinate of point.

Sets x-coordinate of point.

Parameters: <Number> x Required Value for x-coordinate of point.

Sets y-coordinate of point.

Parameters: <Number> y Required Value for y-coordinate of point.

Converts object to its ArcGIS Server JSON representation.

Updates a ScreenPoint.

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