Section 01 · 5 entries
Projections
What each flattening keeps, and what it spends to keep it.
The sheet's projection is often fixed by the series, not by the terrain on it. What that costs at the edges.
Photo: Joachim Schnürle / PexelsEntries in Projections
Ref · subject · read- 001 Where a projection is chosen before the ground is knownThe sheet's projection is often fixed by the series, not by the terrain on it. What that costs at the edges. 3 min
- 002 What conformal spendsAngles preserved, area sacrificed. Where the sacrifice becomes visible on a sheet you would actually carry. 2 min
- 003 Equal area and shapeThe opposite bargain, and why it is unpopular with anyone navigating. 2 min
- 004 The grid is not the graticuleTwo sets of lines on the same sheet meaning different things, and the angle between them. 2 min
- 005 Zones and seamsWhere two zones meet, coordinates do not simply continue. What happens at the join. 2 min