diff options
| -rw-r--r-- | ao-tools/altosui/AltosSiteMap.java | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/ao-tools/altosui/AltosSiteMap.java b/ao-tools/altosui/AltosSiteMap.java index 72a65b15..e222e2c8 100644 --- a/ao-tools/altosui/AltosSiteMap.java +++ b/ao-tools/altosui/AltosSiteMap.java @@ -33,8 +33,10 @@ import java.awt.geom.Point2D; import java.awt.geom.Line2D; public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay { - // max vertical step in a tile in naut. miles - static final double tile_size_nmi = 2.0; + // preferred vertical step in a tile in naut. miles + // will actually choose a step size between x and 2x, where this + // is 1.5x + static final double tile_size_nmi = 1.5; static final int px_size = 512; @@ -117,7 +119,7 @@ public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay { scale_x = 256/360.0 * Math.pow(2, zoom); scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom); locn = pt(lat, lng); - north_step = pt(lat+tile_size_nmi/60.0, lng); + north_step = pt(lat+tile_size_nmi*4/3/60.0, lng); if (locn.y - north_step.y > px_size) break; } while (zoom < 22); |