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Service Description:
ABOUT THE ZOOM IN MESSAGE WEB SERVICE: This web service contains one layer, Zoom In Message, containing a single polygon with an extent encompassing a worldwide map projected in Web Mercator (Auxiliary Sphere). This layer is drawn at all scales. The purpose of the service is to provide web map authors with a layer that can be customized to display when a web map user zooms out past a threshold scale, with a message instructing the user to Please zoom in to view map features. This service is published with dynamic symbology so that the polygon fill is configurable within a web map.

WHY USE THE ZOOM IN MESSAGE WEB SERVICE: Web map authors that need to limit the visibility of map features at small map scales often accomplish this by setting a visibility scale range on the layer being displayed. For example, a scale range may be set on a layer containing a large number of features so that the features do not display until a map user zooms in past a threshold scale. The effect of setting this scale range is that the layer features are absent from the map until the web map user zooms in past the threshold scale. To reduce potential confusion when the features are absent, map authors can include this Zoom In Message web service in the web map to provide the user with a message instructing them to Please zoom in to view map features.

HOW TO USE THE ZOOM IN MESSAGE WEB SERVICE: 1) Add this Zoom In Message web service to the web map. 2) Adjust the visibility range so that it appears when users zoom out to precisely the same scale that the map features disappear. 3) Optional: Adjust the symbology style of the polygon in the Zoom In Message layer to provide a partially or completely opaque mask layer that appears along with the zoom in message.

An example of the Zoom In Message web service being used in a web map may be found at the EPA GeoPlatform Online.

Security classification: Public. Access constraints: None. Use constraints: None.

Map Name: Zoom In Message and Mask Polygon, Global Extent, SEGS

Legend

All Layers and Tables

Dynamic Legend

Dynamic All Layers

Layers:

• Zoom In Message (0)

Description:
ABOUT THE ZOOM IN MESSAGE WEB SERVICE: This web service contains one layer, Zoom In Message, containing a single polygon with an extent encompassing a worldwide map projected in Web Mercator (Auxiliary Sphere). This layer is drawn at all scales. The purpose of the service is to provide web map authors with a layer that can be customized to display when a web map user zooms out past a threshold scale, with a message instructing the user to “Please zoom in to view map features.” This service is published with dynamic symbology so that the polygon fill is configurable within a web map.

WHY USE THE ZOOM IN MESSAGE WEB SERVICE: Web map authors that need to limit the visibility of map features at small map scales often accomplish this by setting a visibility scale range on the layer being displayed. For example, a scale range may be set on a layer containing a large number of features so that the features do not display until a map user zooms in past a threshold scale. The effect of setting this scale range is that the layer features are absent from the map until the web map user zooms in past the threshold scale. To reduce potential confusion when the features are absent, map authors can include this Zoom In Message web service in the web map to provide the user with a message instructing them to “Please zoom in to view map features.”

HOW TO USE THE ZOOM IN MESSAGE WEB SERVICE: 1) Add this Zoom In Message web service to the web map. 2) Adjust the visibility range so that it appears when users zoom out to precisely the same scale that the map features disappear. 3) Optional: Adjust the symbology style of the polygon in the Zoom In Message layer to provide a partially or completely opaque mask layer that appears along with the zoom in message.

An example of the Zoom In Message web service being used in a web map may be found at the EPA GeoPlatform Online.

Security classification: Public. Access constraints: None. Use constraints: None.

Copyright Text: US EPA National Geospatial Support (NGS) Team (geoservices@epa.gov)

Spatial Reference: 102100  (3857)


Single Fused Map Cache: false

Initial Extent:

XMin: -1.6836531335553154E7
YMin: -1.9943994825190507E7
XMax: 3.469117588652797E7
YMax: 2.2587861071854636E7
Spatial Reference: 102100  (3857)

Full Extent:

XMin: -1.99960055218E7
YMin: -1.9155306869400002E7
XMax: 1.99594831373E7
YMax: 1.9155306869400002E7
Spatial Reference: 102100  (3857)

Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info:

Title: Zoom In Message and Mask Polygon, Global Extent, SEGS
Author: US EPA National Geospatial Support (NGS) Team (geoservices@epa.gov)
Comments:
ABOUT THE ZOOM IN MESSAGE WEB SERVICE: This web service contains one layer, Zoom In Message, containing a single polygon with an extent encompassing a worldwide map projected in Web Mercator (Auxiliary Sphere). This layer is drawn at all scales. The purpose of the service is to provide web map authors with a layer that can be customized to display when a web map user zooms out past a threshold scale, with a message instructing the user to “Please zoom in to view map features.” This service is published with dynamic symbology so that the polygon fill is configurable within a web map.

WHY USE THE ZOOM IN MESSAGE WEB SERVICE: Web map authors that need to limit the visibility of map features at small map scales often accomplish this by setting a visibility scale range on the layer being displayed. For example, a scale range may be set on a layer containing a large number of features so that the features do not display until a map user zooms in past a threshold scale. The effect of setting this scale range is that the layer features are absent from the map until the web map user zooms in past the threshold scale. To reduce potential confusion when the features are absent, map authors can include this Zoom In Message web service in the web map to provide the user with a message instructing them to “Please zoom in to view map features.”

HOW TO USE THE ZOOM IN MESSAGE WEB SERVICE: 1) Add this Zoom In Message web service to the web map. 2) Adjust the visibility range so that it appears when users zoom out to precisely the same scale that the map features disappear. 3) Optional: Adjust the symbology style of the polygon in the Zoom In Message layer to provide a partially or completely opaque mask layer that appears along with the zoom in message.

An example of the Zoom In Message web service being used in a web map may be found at the EPA GeoPlatform Online.
Subject: This EPA SEGS web service contains a global extent polygon layer to facilitate display of "zoom-in" message.
Category:
Keywords: US EPA,OEI,zoom in,mask,SEGS,global
AntialiasingMode: None
TextAntialiasingMode: Force

Supports Dynamic Layers: true

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON

Supports Query Data Elements:

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   QueryDomains   QueryLegends   Find   Return Updates   Generate KML