GGS-311_-_Lecture6(2)

GGS-311_-_Lecture6(2) - Geographic Data Modeling Longley...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Geographic Data Modeling Longley Chapter 8 Dr. Matt Rice Geography and Geoinformation Science 311 Fall 2011 Outline Definitions Data models / modeling GIS data models Topology Example Water facilities Definitions Data model set of constructs for representing objects and processes in the digital environment Representation Focus on conceptual and scientific issues Role of a Data Model Levels of Data Model Abstraction Two representations of San Diego, California: (A) panchromatic SPOT raster satellite image collected in 1990 at 10 m resolution; (B) vector objects digitized from the image. GIS Data Models & Applications CAD Graphical Image Raster/Grid Network Geo-relational TIN Object Engineering design Simple mapping Image processing and analysis Spatial analysis / modeling Network analysis Geoprocessing geometric features Surface /terrain analysis / modeling Features with behavior Raster and Vector Models...
View Full Document

Page1 / 32

GGS-311_-_Lecture6(2) - Geographic Data Modeling Longley...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online