GIS Data Catalog

Cartographic Greyscale Hillshade from combined bathymetry and topography of the Puget Lowlands

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Cartographic Greyscale Hillshade from combined bathymetry and topography of the Puget Lowlands

Summary


Generalized cartographic display

Description


Default grey-scale hillshade derived from PSDEM2005 source data.


Layer information

Layer Name SURFACE_PSDEMHillshadeCartographic
Subject Category Imagery
Title Cartographic Greyscale Hillshade from combined bathymetry and topography of the Puget Lowlands
Feature Count 1
Feature Type Raster
Next Update None planned
Spatial reference None
Control ID None
Place Keywords Pacific NW, Puget Sound Lowlands, Washington State
Theme Keywords Elevation, Elevation Model, Digital Elevation Model, Hillshade, Topography
Supplemental Information

All these datasets exist only at KeyRegion index level.


Attribute information

OBJECTID

From ESRI

Description

Internal feature number.

Domain

Sequential unique whole numbers that are automatically generated.

Shape

From ESRI

Description

Feature geometry.

Domain

Coordinates defining the features.

Shape_Length

From Esri

Description

Length of feature in internal units.

Domain

Positive real numbers that are automatically generated.

Shape_Area

From Esri

Description

Area of feature in internal units squared.

Domain

Positive real numbers that are automatically generated.

MosaicID

No Source Noted

Description

Not Found

Domain

Not Found


Contact information

Maintained by KCGIS Center
Primary KCGIS Center

giscenter@kingcounty.gov


Terms of Use

Cartographic Greyscale Hillshade from combined bathymetry and topography of the Puget Lowlands

Summary


Generalized cartographic display

Description


Default grey-scale hillshade derived from PSDEM2005 source data.


Contact information

Maintained by KCGIS Center
Primary KCGIS Center

giscenter@kingcounty.gov


Terms of use and copyright


Change history

12/1/2005

Used ArcInfo 9.0 workstation ASCIIGRID command to convert ascii-formatted file to ESRI grid format

12/1/2005

Used ArcInfo 9.0 workstation GRIDIMAGE command to create TIF version of GRID for distribution to Spatial Data Warehouse

12/1/2005

Used ArcInfo 9.0 workstation HILLSHADE command with default arguements to create grey-scale hillshade from reprojected DEM.

12/1/2005

Use MrSID GeoExpress v.

5 to convert TIFF to SID for posting to Spatial Data Warehouse.

Image was compressed at approximately 7x.

12/1/2005

Use ArcInfo 9.0 workstation PROJECTDEFINE to establish Washington State Plane North, NAD 83, units Feet projection header.

Used PROJECTGRID command to reproject grid to HARN.

12/1/2005

Downloaded and unzipped psdem_2005.asc from http://www.ocean.washington.edu/data/pugetsound/psdem2005.html