2.19.14 Class Notes:

** Look at C: GIS data Delaware county data. (C:\GIS Lab Data\Data – Delaware Co)

Go in to Arc GIS (Jot down a little information on what layers are)

Might be useful in midterm or exercise.


Do not edit data, you can get a duplicate. **Do not play around with anything that says editing**

2 CDs One is a data CD, that is the one you want. Installing tutorial data, install in specific folder.

Mitchell: 6&7

Chapter 6 (finding whats nearby)

Useful to show affects may be had by event or activity.
Defining Analysis. (liquor stores sending out mails to everyone in 500 ft distance, or fire departments determining coverage.) Distance, Time, Money, basic statistical information.

3 Ways of finding whats nearby: Straight Line Distance or cost over a network. Cost over a surface.

K: Two layers to select one on the other layers. Idea of a network would be road directions on Google set up on a huge network.

Use feature to feature: finding specific areas between two points on a map.

Distance surfaces, EX: take a river and do a buffer zone at 10/20

Measuring Distance or cost over a network.
Calculating Cost over a Geographical Network.

**read over chapter 7**

Time series? Tracking time like a bird flying around town.

Tacking features like wildfires, magnitudes?, wind speeds. Showing patterns and features. ?

Calculates over two dates, or times? Showing how much has changed.

K: Data that changes over time, like county parcel data, subtract from today, compare that to a map two years ago, see how things have developed or gotten smaller. Look at when the parcel was divided.

Schuurman ch. 2 & 3

Technical way VS human response. Use it in a way that is top down tech heavy, Government agencies using.

Beginning GIS was used for tracking trucks and non-profit for political methods. Epistemology VS Ontology. How we see or the perspectives.

Points lines and area Ontology
Quickest way to get from a – b, not necessarily quality of drive Epistemology

Basic Vector Data: Points

Points, lines, areas.

Raster is more imagery.

Chapt. 3

Data Collection: Human collection. GPS location.

K: information collected by census, counties, states, nations, income and such.

H: Meta data, because so much data is out there, what is associated with it, and as of when.

4 & 5

Talks about how GIS is different that regular cartography. GIS population changes. Contained within and area.

Overlay analysis, correlation of relationships. At risk for fire.

Patterns of distortion.

GISystems – tools

GIScience – thoughts behind

find our what is in a general area, based on things like time, distance, and cost.

Straight Line Distance: Boundaries

Distance or Cost Over a Network.

Cost or surface.

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