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Презентация на тему The Piri Reis Map

The Piri Reis Map
The Piri Reis MapSteven DutchUniversity of Wisconsin-Green Bay The Piri Reis Map A Portolan Chart The Portolan GridEquator and 45N are quite accurateMap ends just below 45SIntermediate The Portolan GridRadiating Lines are Compass BearingsMeridians and Parallels are perpendicularThis is a Cylindrical Map Projection Quality of CartographyEurope and AfricaCoasts Pretty GoodRivers InaccurateBrazil: RecognizableNorth America and South of Brazil: Very Poor Interpreting Ancient MapsAny Ancient Map is Only as Good as Its Depiction Corsica by Piri Reis The Orontius Finaeus Map, 1531 Antarctica?http://www.goldenageproject.org.uk/112antarctica.php Map by Mercator, 1587 Hendrik Hondius Map, 1630 A Vicious CircleWithout Accurate Navigation, Accurate Maps Weren’t NecessaryMaps Were Largely SchematicWithout What’s Missing?The Pacific OceanIsthmus of PanamaDrake PassageDeep Water: Was Never Dry LandNo Arm-Waving Looks PersuasiveAzimuthal Equidistant Projection Centered on Cairo Detailed Comparison Doesn’t Azimuthal Equidistant Projection Centered on 0,0 Orthographic Projection Cylindrical Equidistant Projection Likely Identification Alternative Identification Not Antarctica ConclusionsAll Identifications of Antarctica FailBy Modern Standards, Not a Very Accurate MapHas
Слайды презентации

Слайд 2 The Piri Reis Map

The Piri Reis Map

Слайд 3 A Portolan Chart

A Portolan Chart

Слайд 4 The Portolan Grid
Equator and 45N are quite accurate
Map

The Portolan GridEquator and 45N are quite accurateMap ends just below

ends just below 45S
Intermediate Roses Might Represent Tropics (23.5

N or S) or 1/8 of a Hemisphere (22.5 N or S)



Слайд 5 The Portolan Grid
Radiating Lines are Compass Bearings
Meridians and

The Portolan GridRadiating Lines are Compass BearingsMeridians and Parallels are perpendicularThis is a Cylindrical Map Projection

Parallels are perpendicular
This is a Cylindrical Map Projection



Слайд 6 Quality of Cartography
Europe and Africa
Coasts Pretty Good
Rivers Inaccurate
Brazil:

Quality of CartographyEurope and AfricaCoasts Pretty GoodRivers InaccurateBrazil: RecognizableNorth America and South of Brazil: Very Poor

Recognizable
North America and South of Brazil: Very Poor



Слайд 7 Interpreting Ancient Maps
Any Ancient Map is Only as

Interpreting Ancient MapsAny Ancient Map is Only as Good as Its

Good as Its Depiction of Well Explored Areas
Things of

Practical Use to Mariners (Capes and Islands) Often Exaggerated
Latitude is the Most Likely Parameter to be Accurate; Longitude Largely Guesswork
Imaginary Features Often Incorporated and Gaps Filled In

Слайд 8 Corsica by Piri Reis

Corsica by Piri Reis

Слайд 9 The Orontius Finaeus Map, 1531

The Orontius Finaeus Map, 1531

Слайд 10 Antarctica?
http://www.goldenageproject.org.uk/112antarctica.php

Antarctica?http://www.goldenageproject.org.uk/112antarctica.php

Слайд 13 Map by Mercator, 1587

Map by Mercator, 1587

Слайд 14 Hendrik Hondius Map, 1630

Hendrik Hondius Map, 1630

Слайд 15 A Vicious Circle
Without Accurate Navigation, Accurate Maps Weren’t

A Vicious CircleWithout Accurate Navigation, Accurate Maps Weren’t NecessaryMaps Were Largely

Necessary
Maps Were Largely Schematic
Without Accurate Maps, there was no

Point in Trying to Navigate Precisely
Coastal Charts, on the Other Hand, Were Valuable
Even Into Modern Times, Many Questioned the Need for Accurate Mapping

Слайд 16 What’s Missing?
The Pacific Ocean
Isthmus of Panama
Drake Passage
Deep Water:

What’s Missing?The Pacific OceanIsthmus of PanamaDrake PassageDeep Water: Was Never Dry

Was Never Dry Land
No Evidence of Antarctic Ice Connection
Any

Indisputable Feature of Antarctica



Слайд 17 Arm-Waving Looks Persuasive
Azimuthal Equidistant Projection Centered on Cairo

Arm-Waving Looks PersuasiveAzimuthal Equidistant Projection Centered on Cairo

Слайд 18 Detailed Comparison Doesn’t

Detailed Comparison Doesn’t

Слайд 19 Azimuthal Equidistant Projection Centered on 0,0

Azimuthal Equidistant Projection Centered on 0,0

Слайд 20 Orthographic Projection

Orthographic Projection

Слайд 21 Cylindrical Equidistant Projection

Cylindrical Equidistant Projection

Слайд 22 Likely Identification

Likely Identification

Слайд 23 Alternative Identification

Alternative Identification

Слайд 24 Not Antarctica

Not Antarctica

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