Services Directory Login

Shaded_Relief_2005 (Map Service)


View In:    ArcGIS JavaScript   ArcGIS.com   WMTS  

Current Version: 10.81

Service Description:

This monochromatic image dataset was generated from MassGIS' 2005 elevation surface so that for a specific position of the sun, the values in the image represent the amount of light theoretically reflected to a position directly above the scene. The position of the sun was chosen as follows: - Solar azimuth: 315 degrees measured clockwise from due north (northwest). - Solar elevation: 45 degrees above the horizon. Slopes that face the direction of the sun appear highlighted and slopes that face away from the sun appear in darker shades. The data values have been scaled so that a value of 1 represents zero light reflectance, and a value of 255 represents maximum light reflectance. Shaded relief images are used in analysis, as well as making it easier visually to interpret slope, aspect, and changes in elevation. Shadows are not modeled.

This tiled cached map service is hosted in MassGIS' ArcGIS Online account for fast display.

View metadata at http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/datalayers/elev2005.html.



Map Name: Map8

Legend

All Layers and Tables

Layers: Tables: Description:

This monochromatic image dataset was generated from MassGIS' 2005 elevation surface so that for a specific position of the sun, the values in the image represent the amount of light theoretically reflected to a position directly above the scene. The position of the sun was chosen as follows: - Solar azimuth: 315 degrees measured clockwise from due north (northwest). - Solar elevation: 45 degrees above the horizon. Slopes that face the direction of the sun appear highlighted and slopes that face away from the sun appear in darker shades. The data values have been scaled so that a value of 1 represents zero light reflectance, and a value of 255 represents maximum light reflectance. Shaded relief images are used in analysis, as well as making it easier visually to interpret slope, aspect, and changes in elevation. Shadows are not modeled.

This tiled cached map service is hosted in MassGIS' ArcGIS Online account for fast display.

View metadata at http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/datalayers/elev2005.html.



Copyright Text: MassGIS

Spatial Reference:
102100

Single Fused Map Cache: true

Capabilities: Map,TilesOnly

Tile Info:
Initial Extent:
Full Extent:
Min Scale: 4622324.434309
Max Scale: 1128.497176

Min LOD: 7
Max LOD: 19

Units: esriMeters

Supported Image Format Types: MIXED

Export Tiles Allowed: false
Max Export Tiles Count: 100000

Document Info: