From: Anthony Towns <aj@erisian.com.au>
Date: Fri, 19 Nov 2010 03:17:29 +0000 (+1000)
Subject: AltosSiteMapTile: adjust centering calculation
X-Git-Tag: debian/0.7.1+117+ge7954c8~8^2~13
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=fa45336062523838ba8abb08427cdc4d9c7de7a8;hp=fda93afcd8aa4133b0e5f008b824d072e338d0ed

AltosSiteMapTile: adjust centering calculation
---

diff --git a/ao-tools/altosui/AltosSiteMapTile.java b/ao-tools/altosui/AltosSiteMapTile.java
index 919de825..6f5ddede 100644
--- a/ao-tools/altosui/AltosSiteMapTile.java
+++ b/ao-tools/altosui/AltosSiteMapTile.java
@@ -52,8 +52,8 @@ public class AltosSiteMapTile extends JLabel {
             if (coord_pt.y - north_1nm.y > px_size/2)
                 break;
         }
-        coord_pt.x = px_size/2 - ((long)coord_pt.x/px_size + off_x) * px_size;
-        coord_pt.y = px_size/2 - ((long)coord_pt.y/px_size + off_y) * px_size;
+        coord_pt.x = -px_size * Math.floor(coord_pt.x/px_size + off_x);
+        coord_pt.y = -px_size * Math.floor(coord_pt.y/px_size + off_y);
 
         scale_x = 256/360.0 * Math.pow(2, zoom);
         scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom);