diff options
| author | Bdale Garbee <bdale@gag.com> | 2015-07-16 13:31:42 -0600 | 
|---|---|---|
| committer | Bdale Garbee <bdale@gag.com> | 2015-07-16 13:31:42 -0600 | 
| commit | 6e9bb9178356620bd47d9f2e31abf42b7f1a8f11 (patch) | |
| tree | 6f04b5500462d1f6e26ebcba58c5e9cd56afd442 /altosuilib/AltosUIMapTransform.java | |
| parent | e2cefd8593d269ce603aaf33f4a53a5c2dcb3350 (diff) | |
| parent | 87c8bb3956897830da1f7aaca2990a9571767b73 (diff) | |
Merge branch 'master' into branch-1.6
Diffstat (limited to 'altosuilib/AltosUIMapTransform.java')
| -rw-r--r-- | altosuilib/AltosUIMapTransform.java | 106 | 
1 files changed, 0 insertions, 106 deletions
| diff --git a/altosuilib/AltosUIMapTransform.java b/altosuilib/AltosUIMapTransform.java deleted file mode 100644 index 25497403..00000000 --- a/altosuilib/AltosUIMapTransform.java +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright © 2014 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -package org.altusmetrum.altosuilib_6; - -import java.awt.*; -import java.awt.event.*; -import javax.swing.*; -import java.io.*; -import java.lang.Math; -import java.awt.geom.*; -import java.util.*; -import java.util.concurrent.*; -import org.altusmetrum.altoslib_6.*; - -public class AltosUIMapTransform { - -	double	scale_x, scale_y; - -	double	offset_x, offset_y; - -	public AltosUILatLon lat_lon (Point2D.Double point) { -		double lat, lon; -		double rads; - -		lon = point.x/scale_x; -		rads = 2 * Math.atan(Math.exp(-point.y/scale_y)); -		lat = Math.toDegrees(rads - Math.PI/2); - -		return new AltosUILatLon(lat,lon); -	} - -	public Point2D.Double screen_point(Point screen) { -		return new Point2D.Double(screen.x + offset_x, screen.y + offset_y); -	} - -	public AltosUILatLon screen_lat_lon(Point screen) { -		return lat_lon(screen_point(screen)); -	} - -	public Point2D.Double point(AltosUILatLon lat_lon) { -		double x, y; -		double e; - -		x = lat_lon.lon * scale_x; - -		e = Math.sin(Math.toRadians(lat_lon.lat)); -		e = Math.max(e,-(1-1.0E-15)); -		e = Math.min(e,  1-1.0E-15 ); - -		y = 0.5*Math.log((1+e)/(1-e))*-scale_y; - -		return new Point2D.Double(x, y); -	} - -	public Point2D.Double screen(Point2D.Double point) { -		return new Point2D.Double(point.x - offset_x, point.y - offset_y); -	} - -	public Point screen(Point point) { -		return new Point((int) (point.x - offset_x + 0.5), -				 (int) (point.y - offset_y + 0.5)); -	} - -	public Rectangle screen(AltosUIMapRectangle map_rect) { -		Point2D.Double	ul = screen(map_rect.ul); -		Point2D.Double	lr = screen(map_rect.lr); - -		return new Rectangle((int) ul.x, (int) ul.y, (int) (lr.x - ul.x), (int) (lr.y - ul.y)); -	} - -	public Point2D.Double screen(AltosUILatLon lat_lon) { -		return screen(point(lat_lon)); -	} - -	private boolean has_location; - -	public boolean has_location() { -		return has_location; -	} - -	public AltosUIMapTransform(int width, int height, int zoom, AltosUILatLon centre_lat_lon) { -		scale_x = 256/360.0 * Math.pow(2, zoom); -		scale_y = 256/(2.0*Math.PI) * Math.pow(2, zoom); - -		Point2D.Double centre_pt = point(centre_lat_lon); - -		has_location = (centre_lat_lon.lat != 0 || centre_lat_lon.lon != 0); -		offset_x = centre_pt.x - width / 2.0; -		offset_y = centre_pt.y - height / 2.0; -	} -} | 
