Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
map projection
|
| gptkbp:alternativeName |
gptkb:American_polyconic_projection
|
| gptkbp:category |
cartography
map projections |
| gptkbp:developedBy |
gptkb:Ferdinand_Rudolph_Hassler
|
| gptkbp:feature |
central meridian is straight
each parallel is a segment of a circle no distortion along central meridian other meridians are curved |
| https://www.w3.org/2000/01/rdf-schema#label |
Polyconic projection
|
| gptkbp:introducedIn |
1820s
|
| gptkbp:notConformal |
true
|
| gptkbp:notEqualArea |
true
|
| gptkbp:replacedBy |
gptkb:Transverse_Mercator_projection
|
| gptkbp:type |
pseudocylindrical projection
|
| gptkbp:usedBy |
gptkb:U.S._Coast_and_Geodetic_Survey
|
| gptkbp:usedFor |
cartography
large-scale mapping |
| gptkbp:bfsParent |
gptkb:USGS_1:250,000-scale_topographic_map_series
gptkb:USGS_topographic_maps |
| gptkbp:bfsLayer |
6
|