Test 2

Question 1

Geocoding

Answer 1

Converts street addresses into features on a map

Question 2

XY data

Answer 2

A base layer with a projection file to use as a reference Latitude and Longitude features

Question 3

Spatial analysis

Answer 3

A way of looking at something that are not seen on map like why something is the way it is

Question 4

Querying

Answer 4

basic analytic operation using GIS to answer questions

Question 5

Buffering

Answer 5

Constructs polygon areas within a specified distance of features

Question 6

Overlay

Answer 6

Basic function that examines spatial coincidence of features usually involving intersection and dissolve

Question 7

Descriptive stats

Answer 7

This is the spatial equivalent to common statistics such as mean and standard dev

Question 8

Nearest neighbor index

Answer 8

an index value based on the average distance from each feature to its nearest neighboring feature

Question 9

K-means

Answer 9

an iterative clustering algorithm that finds geographic concentrations in point features and determines their center points

Question 10

Moran’s I index

Answer 10

measures similarity among feature attributes relative to feature locations

Question 11

Geoprocessing

Answer 11

is the processing of geographic info using breaking aggregating and creating

Question 12

Intersect tool

Answer 12

parts of all features that overlap are written into a new feature class

Question 13

Union

Answer 13

all features that overlap are combined into one

Question 14

append

Answer 14

Combines feature classes

Question 15

Erase

Answer 15

erases all parts of all input features that overlap with the erase dataset polygon features

Question 16

Annotation labels

Answer 16

labeled all at once and gives you the ability to move them will not move according to scale

Question 17

Interactive

Answer 17

Can create your own text

Question 18

Datum

Answer 18

define reference systems that describe the size and shape of the earth like WGS 84

Question 19

types of projections

Answer 19

Planar, Cylindrical, and Conic

Question 20

SADD

Answer 20

Shape Area Distance Direction

Question 21

Conformal

Answer 21

preserves shape, distorts size and distance

Question 22

Mercator projection

Answer 22

Cylindrical conformal, distorts size, distance, and shape, useful for navigation but not refrence

Question 23

Gall-Peters projection

Answer 23

cylindrical, equal-area projection better reference than Mercator but with extreme distortion at poles

Question 24

What are the six purposes of mapping

Answer 24

Resource Allocation, Pattern analysis, Accessibility, Site suitability, Change over time, shortest path