ABSTRACT
O n polyconic projections, parallels are arcs o f non-concentric circles, w i t h the
centers located along the straight central meridian, and meridians are curves sym-
metrical about the central mer idian (Figure 4.1).
O n polyconic projections, parallels are arcs o f non-concentric circles, w i t h the
centers located along the straight central meridian, and meridians are curves sym-
metrical about the central mer idian (Figure 4.1).