Transcript
7/31/2019 making a map measurable.ppt
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Making a map measurable and readable
Important aspects of a map
Making a map measurable andreadable?
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Making a map measurable and readable Studio: ESP300
Definition
What is a Map?
Reduced simplified representation of part (or all )ofthe earth showing relative size and position offeatures to some given scale and projection
All types of maps
Plans, Charts, 3D models, globes, animated mapsvirtual worlds etc at any scale
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Making a map measurable and readable Studio: ESP300
Cartographic enhancements
Maps require cartographic enhancements tomake them better!
Readable
Measurable
understandable
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Making a map measurable and readable Studio: ESP300
Make a map measurable
Show in the margins:
Scale (both numeric and graphic scale)
Orientation
Coordinate systemHeight information
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Making a map measurable and readable Studio: ESP300
Graphical and numerical scale
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Making a map measurable and readable Studio: ESP300
Map scale
MAP
GROUND
Ground distance
Map scale = Map distance : Ground distance
Map distance
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Orientation
Bearings on the map
Map should always give orientation
North arrow
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Coordinate system
Coordinate system
Show geographical coordinates latitude,longitude(,)
Projected coordinates (E, N)
Show grid in mapped area
Network of lines showing constant rectangular coordinates
Allows for detailed calculation and positioning on the map
Used on large to medium scale maps
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Coordinate system
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Height information
Contours
Spot heights
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Cartographic enhancements
Maps require cartographic enhancements tomake them better!
Readable
Measurable
understandable
7/31/2019 making a map measurable.ppt
13/20Making a map measurable and readable Studio: ESP300
Make a map measurable
Show in the margins:
Scale (both numeric and graphic scale)
Orientation
Coordinate systemHeight information
7/31/2019 making a map measurable.ppt
14/20Making a map measurable and readable Studio: ESP300
Graphical and numerical scale
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15/20Making a map measurable and readable Studio: ESP300
Map scale
MAP
GROUND
Ground distance
Map scale = Map distance : Ground distance
Map distance
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16/20Making a map measurable and readable Studio: ESP300
Orientation
Bearings on the map
Map should always give orientation
North arrow
7/31/2019 making a map measurable.ppt
17/20Making a map measurable and readable Studio: ESP300
Coordinate system
Coordinate system
Show geographical coordinates latitude,longitude(,)
Projected coordinates (E, N)
Show grid in mapped area
Network of lines showing constant rectangular coordinates
Allows for detailed calculation and positioning on the map
Used on large to medium scale maps
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18/20Making a map measurable and readable Studio: ESP300
Coordinate system
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Height information
Contours
Spot heights
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