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by: Katie Lebow

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# Week 3 Notes GIS3015

Katie Lebow
FSU

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These notes are about a couple mapping elements: scale & generalization!
COURSE
Map Analysis
PROF.
Gregory Burris
TYPE
Class Notes
PAGES
2
WORDS
CONCEPTS
GIS
KARMA
25 ?

## Popular in Department

This 2 page Class Notes was uploaded by Katie Lebow on Sunday September 18, 2016. The Class Notes belongs to GIS3015 at Florida State University taught by Gregory Burris in Summer 2016. Since its upload, it has received 35 views.

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Date Created: 09/18/16
Week 3: 1) The Elements of a Map: a) Scale: The ratio between the real world and the map (Distance on a map: Distance on Earth; Ex: 1 inch on map: 1 mile on Earth) i) Scale of the map is inversely related to the area covered (1) Large Scale Maps: Show more detail for a very small area; Projection not very important ecause the world is assumed to be flat in that specific area) (2) Small Scale Maps: Show less detail, but represent a larger area; Projection is more important because of the Earth being a spherical body (a)IMPORTANT: Large vs. Small scale in this case are cartographic; other scientific a pplications/studies will have them switched b) Generalization: How do we make a map as “readable” as possible? What do we leave off? What do we include? How much error is there? What scale should we use for a more precise map? i) Cartographer must be VERY careful when deciding what to include/not include in a map because of clutter (1) Generalization = selecting, displacing, simplifying, and smoothing symbols on maps ii)Generalization comes into play because reality is too difficult to represent in a map (symbols take valuable space, reality is constantly changing, etc.) iii) Smaller scale = more generalized; less detail, less spatial precision/accuracy iv)Paper maps are limited on space – GIS can zoom, move, change scale, etc. v) Generalization is HIGHLY subjective; depends on the intended use of map (is it for military personnel, it for the average person, is it for a college campus, etc.?); maps can be abused because of generalization

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