Exam 2

Question 0

API

Answer 0

Application Programming Interface.

Allows for different web programming languages to communicate with eachother.

Question 1

Formula for determining size of a proportional symbol map?

Answer 1

Area1/area2=value1/value2

Question 2

Bertin’s Visual Variable

Answer 2

Address visual variable use

Shape, hue, value, orientation, texture, and size

Question 3

Under stand hex colors

Answer 3

rrggbb

Question 4

Quantile Classification

Answer 4

Different symbols or shades have different values

Question 5

Quantitative Color Schemes

Answer 5

Colors represent different numerical value

Question 6

Ordinal Measurements

Answer 6

Quantitative value that can’t be expressed with numbers i.e. Happiness

Question 7

D3

Answer 7

Data Driven Documents

Question 8

GeoJSON

Answer 8

Spatial data type used in web mapmaking. Slightly smaller file sizes than KML. More intuitive than XML. Easy to control/manipulate with JavaScript

Question 9

Tobler

Answer 9

“Everything is related to everything else, but near things are more related to each other” 1970

Question 10

Tweening

Answer 10

Interpolating movement between key frames

Question 11

DOM

Answer 11

Document object model. A convention of nested tags. Allows d3 to dynamically access and update the structure, content, and style of a document

Question 12

Rate of change

Answer 12

Magnitude of an attribute/duration=roc

Question 13

Apparent magnitude scaling (flannery)

Answer 13

In a Graduated symbol map and flow map, correction factors are applied to compensate for map readers’ underestimation of symbol’s area or volume

Question 14

Territorial domain

Answer 14

Area that doesn’t appear on the map around the spatial proximity of the dot.

Question 15

Data needed for a flow map?

Answer 15

Raw or ratio data without negative values

Question 16

Doing cartogram

Answer 16

Circles

Question 17

Directional distributive flow map

Answer 17

Quantitative thematic

Question 18

Difference between topoJSON and GeoJSON?

Answer 18

Topo eliminates redundancy in geo and is lighter by referring to arcs rather than nodes

Question 19

How to divide into classes with quantile classification?

Answer 19

Equal number of variables in each class

Question 20

Hue

Answer 20

Range 0-360 like on color wheel

Question 21

redundant coding

Answer 21

Representing info in more than one way so that map readers have more than one opportunity to understand it. Color and volume to rep flow

Question 22

Enumeration units

Answer 22

Statistic or administrative areas that are bounded, classified, or aggregated im thematic maps

Question 23

Gestalt effect

Answer 23

Where brain recognizes whole forms in a graphical image instead of just collections of simpler and unrelated elements (points lines polygons)

Question 24

CSS comment?

Answer 24

/* fuck my life */

Question 25

How many standard parallels are in each State Plane Zone?

Answer 25

2