×
Copy
Open
Link
Embed
Share
Beginning
This slide
Copy link URL
Copy link URL
Copy iframe embed code
Copy iframe embed code
Copy javascript embed code
Copy javascript embed code
Share
Tweet
Share
Tweet
Slide 1
Slide 1 text
Projection Wizard: Map Projection Selection Tool Bojan Šavrič Bernhard Jenny Helen Jenny NACIS PCD, Pittsburgh October 8, 2014
Slide 2
Slide 2 text
Furuti, C. (2013). Map Projections. Online: http://www.progonos.com/furuti/MapProj/CartIndex/cartIndex.html (accessed April 23, 2013)
Slide 3
Slide 3 text
Snyder’s Selection Guidelines Snyder, J. P. (1987). Map Projections – A working manual. US government printing office: p. 383.
Slide 4
Slide 4 text
No content
Slide 5
Slide 5 text
No content
Slide 6
Slide 6 text
No content
Slide 7
Slide 7 text
No content
Slide 8
Slide 8 text
No content
Slide 9
Slide 9 text
No content
Slide 10
Slide 10 text
No content
Slide 11
Slide 11 text
No content
Slide 12
Slide 12 text
No content
Slide 13
Slide 13 text
No content
Slide 14
Slide 14 text
No content
Slide 15
Slide 15 text
No content
Slide 16
Slide 16 text
No content
Slide 17
Slide 17 text
Selection Criteria • Extent of the geographic area • Central latitude of the rectangle
Slide 18
Slide 18 text
Selection Criteria • Extent of the geographic area • World, small-scale map • Hemisphere, medium-scale map • Continent or smaller areas, large-scale map
Slide 19
Slide 19 text
Selection Criteria • Small-scale map projection • World projections, normal aspect
Slide 20
Slide 20 text
Selection Criteria • Medium-scale map projection • Azimuthal projection, oblique aspect
Slide 21
Slide 21 text
Selection Criteria • Large-scale map projection • Aspect ratios and map orientations: • East-west extent, landscape-oriented map • North-south extent, portrait-oriented map • Equal extent, square-shaped map
Slide 22
Slide 22 text
Selection Criteria • Equal extent, square-shaped map • Azimuthal projection • Polar areas: polar aspect • Equatorial areas: normal aspect • Other areas: oblique aspect
Slide 23
Slide 23 text
Selection Criteria • North-south extent, portrait-oriented map • Cylindrical projection, transverse aspect
Slide 24
Slide 24 text
Selection Criteria • East-west extent, landscape-oriented map • Polar areas: • Azimuthal projection, polar aspect • Equatorial areas: • Cylindrical projection, normal aspect • Other areas: • Conic projection, normal aspect
Slide 25
Slide 25 text
Selection Criteria • Distortion properties • World extent • Equal-area, equidistant, compromise • Hemisphere extent • Equal-areas, equidistant • Continent or smaller areas • Equal-area, conformal, equidistant
Slide 26
Slide 26 text
No content
Slide 27
Slide 27 text
Credits • Leaflet (web map) • National Geographic, Esri, etc. (web map tiles) • Leaflet.draw plugin (modified) • D3 (preview map) • jQuery (user interface)
Slide 28
Slide 28 text
Thank you! projectionwizard.org cartography.oregonstate.edu