(Draft – Text
Figure Section)
Map Analysis: Understanding Spatial Patterns and Relationships
W.M. Keck
Scholar in Geosciences at the
Principal of
Berry & Associates // Spatial Information Systems
Full Color Text Figures:
Introduction
Topic 1 – Data Structure Implications
Topic 2 – Fundamental Map Analysis Approaches
Topic 3 – Basic Techniques in Spatial Analysis
Topic 4 – Calculating Effective Distance
Topic 5 –
Calculating Visual Exposure <hardcopy .pdf>
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Figure 5-1.
The “viewshed” of the road network forms a variable-width, line-of-sight
buffer.
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Figure 5-2.
A “visual exposure” map identifies the number of times each map location
is visually connected to an extended map feature.
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Figure 5-3.
A “noise buffer” considers distance as well as line-of-sight
connectivity.
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Figure 5-4.
Viewshed of all surface water locations.
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Figure 5-5.
Example calculations for determining visual connectivity.
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Figure 5-6.
Introducing visual screens that block line-of-sight connections.
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Figure 5-7.
Identifying the “viewshed” of the road network.
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Figure 5-8.
Calculating simple and weighted visual exposure.
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Figure 5-9. Determining
the visual exposure/impact of alternative power line routes.
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Figure 5-10.
Calculating visual exposure for two proposed power lines.
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Figure 5-11.
Determining visual impact on local residents.
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Figure 5-12. Determining visible portions of a proposed
power line.
Topic 6 – Summarizing Neighbors
Topic 7 – Basic Spatial Modeling Approaches
Topic 8 – Spatial Modeling Example
Topic 9 – Basic Techniques in Spatial Statistics
Topic 10 – Spatial Data Mining
Epilog
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