Exploring Geographic Information SystemsGeographic Information Systems (GIS) is the organized activity by which people:
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Page 23
... of integrity constraints ( Codd 1981 ) . In a GIS , composed of a measurement framework and a scheme for representation . entities and relationships . In GIS , however , the 23 CHAPTER 2 Chapter 2: Measurement Frameworks.
... of integrity constraints ( Codd 1981 ) . In a GIS , composed of a measurement framework and a scheme for representation . entities and relationships . In GIS , however , the 23 CHAPTER 2 Chapter 2: Measurement Frameworks.
Page 24
... measurement framework precedes any choices about the storage or symbolization of the data , it will avoid potential con- fusion when separated from ... MEASUREMENT FRAMEWORKS Example of a Simple Measurement Framework: The Geographical Matrix.
... measurement framework precedes any choices about the storage or symbolization of the data , it will avoid potential con- fusion when separated from ... MEASUREMENT FRAMEWORKS Example of a Simple Measurement Framework: The Geographical Matrix.
Page 52
... measurement to the soil polygons , many repeti- tions of the same value occur all over the map ( Figure 2-17 ) . The abrupt nature of the categories remains , although yield would likely be ... MEASUREMENT FRAMEWORKS Choropleth Framework.
... measurement to the soil polygons , many repeti- tions of the same value occur all over the map ( Figure 2-17 ) . The abrupt nature of the categories remains , although yield would likely be ... MEASUREMENT FRAMEWORKS Choropleth Framework.
Contents
BUILDING BLOCKS OF GEOGRAPHIC INFORMATION | 1 |
The Conventional View | 8 |
Reference Systems | 17 |
Copyright | |
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accuracy analysis angle applied approach assigned assumptions attribute values basic boundaries buffer cartographic categorical coverage cell Chapter choropleth choropleth map Chrisman combination common connect construction contour contour line coordinates cost County create Dane County data quality data structure database developed digitizing distance dominance rule error evaluation example factors Figure forest geodetic Geographical Information Systems geometric graphic grid implementation integrated interactions interpolation involves isolated object Isoline land levels of measurement linear mathematical matrix measurement framework method neighborhood operations neighbors node ordinal ordinal scale overlay parcel pixels plane points polygon problems procedure produce quadtree raster ratio region relationships remote sensing result scale simple slope soil space spatial data spatial reference system specific surement surface survey Table tion topological transformations triangles Triangulated Irregular Network units vector viewshed wetlands zones