Test 1 Flashcards

(39 cards)

1
Q

Maps have:

A

key, scale, purpose, symbology

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2
Q

Jon Kimerling

A

any geographical image of the environment

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3
Q

Arthur Robinson

A

made Robinson projection, a drawn representation of geographic space

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4
Q

2 basic types of images

A

physical-air photos (minimal distortion)

cognitive-our minds pic of important “real stuff”

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5
Q

cartographic maps

A

stable, correctly images when compared to cognitive maps (ex: globes, physical models)

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6
Q

the process of understanding

A

reading, analysis, interpretation

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7
Q

recent:

A

experience has found that teaching map making didnt effectively train map users to use and read maps

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8
Q

map making vs map use

A

1960s: transformation view-map readers cannot understand map if its not simple
cognitive view-popular in later 70s, “teach map reading, dont simplify maps”
today: everyone uses maps, easily accessible

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9
Q

cognitive maps

A

minds eye view of the world

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10
Q

qualitative vs quantitative

A

qual-perceptions, names, nonnumeric characteristics

quan-perceptions or facts based on numeric measurements

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11
Q

cartogram

A

puts data before geography-intentional skewing of physical space (huge texas) (1 inch to 5 hours)

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12
Q

to build a map we need:

A

region, time, variables, scale

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13
Q

mappings catch 22 (3 components play against one another in geospatial representation

A

scale, regional coverage and product size

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14
Q

1 mi=? ft

A

5280 ft

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15
Q

types of scale

A

verbal-1 in=5 mi
graphic-drawing map unit on map and do not state it (scale bars, least accurate)
RF-1:24,000 (1 map unit is 24,000 of real world units)

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16
Q

measurement levels (NOIR)

A

nominal-names only (soils, land cover, voter registration)
ordinal-has an order, no number associated (freshman, sophmore, etc.)
interval-use numbers and amount of difference between numbers (no 0 thats meaningful) C and F
Ratio-numeric scale likes interview (0 means none) Rain, speed

17
Q

central perspective

A

1 eye vision, pic taken with single lens (most accurate point is directly under lens, least accurate at edges)

18
Q

stereographic

A

2 eye vision, combines info to see depth (3D vision)

19
Q

parallel

A

infinite number of eyes, not physically possible (MOST maps are formatted in parallel perspective-doesnt distort)

20
Q

vantage point

A

used in 2D maps that appear to be 3D

21
Q

azimuth

A

gives direction of viewer from center of map in standard directional units (true north-0 or 360 deg)

22
Q

visual (altitude)

A

angle above horizon (plane) on which drawing is based (height above ground as an angle)

23
Q

kinds of visual altitude

A

vertical
horizontal
oblique (in between vertical and horizontal)

24
Q

projection always involves

25
latitude max and min
max=90 deg, min=0 deg
26
longitude max and min
max=180, min=0
27
earth properties
equivalence-equal area conformality-shapes are correct (preserves local angles) azimuthality (planar)-most direct path equidistance-equal distance
28
you can never have:
conformality and equivalence
29
this must happen with every map
generalization
30
symbols for nominal/QUALTITATIVE distinctions
shape variations, color, pattern, orientation
31
symbols for ordered/QUANTATIVE distinctions
size and darkness of symbols
32
having height associated
ranked
33
3 types of prevalent cartograms
linear, azimuthal, area
34
Classes of structures
1-occupied | 2-non occupied
35
spot elevations (3 types)
Bench marks, field checked spot height (brown X 2110), photogrammetric spot heights (all brown X 2032)-most common
36
classses of roads
``` 1-primary highways (solid red) 2-secondary highways (red/white lines) 3-light duty (two, think black lines) 4-unimproved (double dashed lines) 5-jeep trails (single dashed lines) ```
37
two types of streams
perennial and intermittent
38
what to include on a map (TALDOGS)
``` Title author legend date orientations grid scale ```
39
according to the cognitive view of cartographic communications
people gain info for their mental maps in many ways