Index: applications/editors/josm/plugins/build.xml
===================================================================
--- applications/editors/josm/plugins/build.xml	(revision 20244)
+++ applications/editors/josm/plugins/build.xml	(revision 20245)
@@ -8,4 +8,5 @@
         <mkdir dir="../dist"/>
         <ant antfile="build.xml" target="dist" dir="addrinterpolation"/>
+        <ant antfile="build.xml" target="dist" dir="buildings_tools"/>
         <ant antfile="build.xml" target="dist" dir="cadastre-fr"/>
         <ant antfile="build.xml" target="dist" dir="colorscheme"/>
@@ -52,4 +53,5 @@
     <target name="clean">
         <ant antfile="build.xml" target="clean" dir="addrinterpolation"/>
+        <ant antfile="build.xml" target="clean" dir="buildings_tools"/>
         <ant antfile="build.xml" target="clean" dir="cadastre-fr"/>
         <ant antfile="build.xml" target="clean" dir="colorscheme"/>
Index: applications/editors/josm/plugins/buildings_tools/.classpath
===================================================================
--- applications/editors/josm/plugins/buildings_tools/.classpath	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/.classpath	(revision 20245)
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/JOSM"/>
+	<classpathentry kind="output" path="build"/>
+</classpath>
Index: applications/editors/josm/plugins/buildings_tools/.project
===================================================================
--- applications/editors/josm/plugins/buildings_tools/.project	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/.project	(revision 20245)
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>buildings_tools</name>
+	<comment></comment>
+	<projects>
+		<project>josm</project>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
Index: applications/editors/josm/plugins/buildings_tools/.settings/org.eclipse.jdt.ui.prefs
===================================================================
--- applications/editors/josm/plugins/buildings_tools/.settings/org.eclipse.jdt.ui.prefs	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/.settings/org.eclipse.jdt.ui.prefs	(revision 20245)
@@ -0,0 +1,3 @@
+#Sat Jun 06 18:09:10 MSD 2009
+eclipse.preferences.version=1
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates/>
Index: applications/editors/josm/plugins/buildings_tools/LICENSE
===================================================================
--- applications/editors/josm/plugins/buildings_tools/LICENSE	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/LICENSE	(revision 20245)
@@ -0,0 +1,345 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+	51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
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+Whether that is true depends on what the Program does.
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+
+You may charge a fee for the physical act of transferring a copy, and
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+
+			    NO WARRANTY
+
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+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
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+
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+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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+POSSIBILITY OF SUCH DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+
+	    How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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; either version 2 of the License, or
+    (at your option) any later version.
+
+    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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year  name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Library General
+Public License instead of this License.
Index: applications/editors/josm/plugins/buildings_tools/build.xml
===================================================================
--- applications/editors/josm/plugins/buildings_tools/build.xml	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/build.xml	(revision 20245)
@@ -0,0 +1,259 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+** This is a template build file for a JOSM  plugin.
+**
+** Maintaining versions
+** ====================
+** see README.template
+**
+** Usage
+** =====
+** To build it run
+**
+**    > ant  dist
+**
+** To install the generated plugin locally (in you default plugin directory) run
+**
+**    > ant  install
+**
+** The generated plugin jar is not automatically available in JOSMs plugin configuration
+** dialog. You have to check it in first.
+**
+** Use the ant target 'publish' to check in the plugin and make it available to other
+** JOSM users:
+**    set the properties commit.message and plugin.main.version
+** and run
+**    > ant  publish
+**
+**
+-->
+<project name="buildings_tools" default="dist" basedir=".">
+
+	<!-- enter the SVN commit message -->
+	<property name="commit.message" value="Move buildings_tools plugin to SVN" />
+	<!-- enter the *lowest* JOSM version this plugin is currently compatible with -->
+	<property name="plugin.main.version" value="2830" />
+
+
+	<!--
+      ************************************************
+      ** should not be necessary to change the following properties
+     -->
+	<property name="josm"                   location="../../core/dist/josm-custom.jar"/>
+	<property name="plugin.build.dir"       value="build"/>
+	<property name="plugin.src.dir"         value="src"/>
+	<!-- this is the directory where the plugin jar is copied to -->
+	<property name="plugin.dist.dir"        value="../../dist"/>
+	<property name="ant.build.javac.target" value="1.5"/>
+	<property name="plugin.dist.dir"        value="../../dist"/>
+	<property name="plugin.jar"             value="${plugin.dist.dir}/${ant.project.name}.jar"/>
+
+	<!--
+    **********************************************************
+    ** init - initializes the build
+    **********************************************************
+    -->
+	<target name="init">
+		<mkdir dir="${plugin.build.dir}"/>
+	</target>
+
+	<!--
+    **********************************************************
+    ** compile - complies the source tree
+    **********************************************************
+    -->
+	<target name="compile" depends="init">
+		<echo message="compiling sources for  ${plugin.jar} ... "/>
+		<javac srcdir="src" classpath="${josm}" debug="true" destdir="${plugin.build.dir}">
+			<compilerarg value="-Xlint:deprecation"/>
+			<compilerarg value="-Xlint:unchecked"/>
+		</javac>
+	</target>
+
+	<!--
+    **********************************************************
+    ** dist - creates the plugin jar
+    **********************************************************
+    -->
+	<target name="dist" depends="compile,revision">
+		<echo message="creating ${ant.project.name}.jar ... "/>
+		<copy todir="${plugin.build.dir}/resources">
+			<fileset dir="resources"/>
+		</copy>
+		<copy todir="${plugin.build.dir}/images">
+			<fileset dir="images"/>
+		</copy>
+		<copy todir="${plugin.build.dir}">
+			<fileset dir=".">
+				<include name="README" />
+				<include name="LICENSE" />
+			</fileset>
+		</copy>
+		<jar destfile="${plugin.jar}" basedir="${plugin.build.dir}">
+			<!--
+        ************************************************
+        ** configure these properties. Most of them will be copied to the plugins
+        ** manifest file. Property values will also show up in the list available
+        ** plugins: http://josm.openstreetmap.de/wiki/Plugins.
+        **
+        ************************************************
+    -->
+			<manifest>
+		                <attribute name="Author" value="Upliner"/>
+		                <attribute name="Plugin-Class" value="buildings_tools.BuildingsToolsPlugin"/>
+				<attribute name="Plugin-Date" value="${version.entry.commit.date}"/>
+		                <attribute name="Plugin-Description" value="Tools for drawing buildings."/>
+		                <attribute name="ru_Plugin-Description" value="Инструменты для прорисовки зданий."/>
+		                <attribute name="Plugin-Link" value="http://wiki.openstreetmap.org/wiki/JOSM/Plugins/BuildingsTools"/>
+		                <attribute name="ru_Plugin-Link" value="http://wiki.openstreetmap.org/wiki/RU:JOSM/Plugins/BuildingsTools"/>
+				<attribute name="Plugin-Mainversion" value="${plugin.main.version}"/>
+				<attribute name="Plugin-Version" value="${version.entry.commit.revision}"/>
+		                <attribute name="2561_Plugin-Url" value="29;http://upliner.openstreetmap.ru/josm/buildings_tools/2561/buildings_tools.jar"/>
+			</manifest>
+		</jar>
+	</target>
+
+	<!--
+    **********************************************************
+    ** revision - extracts the current revision number for the
+    **    file build.number and stores it in the XML property
+    **    version.*
+    **********************************************************
+    -->
+	<target name="revision">
+
+		<exec append="false" output="REVISION" executable="svn" failifexecutionfails="false">
+			<env key="LANG" value="C"/>
+			<arg value="info"/>
+			<arg value="--xml"/>
+			<arg value="."/>
+		</exec>
+		<xmlproperty file="REVISION" prefix="version" keepRoot="false" collapseAttributes="true"/>
+		<delete file="REVISION"/>
+	</target>
+
+	<!--
+    **********************************************************
+    ** clean - clean up the build environment
+    **********************************************************
+    -->
+	<target name="clean">
+		<delete dir="${plugin.build.dir}"/>
+		<delete file="${plugin.jar}"/>
+	</target>
+
+	<!--
+    **********************************************************
+    ** install - install the plugin in your local JOSM installation
+    **********************************************************
+    -->
+	<target name="install" depends="dist">
+		<property environment="env"/>
+		<condition property="josm.plugins.dir" value="${env.APPDATA}/JOSM/plugins" else="${user.home}/.josm/plugins">
+			<and>
+				<os family="windows"/>
+			</and>
+		</condition>
+		<copy file="${plugin.jar}" todir="${josm.plugins.dir}"/>
+	</target>
+
+
+	<!--
+	************************** Publishing the plugin *********************************** 
+	-->
+	<!--
+		** extracts the JOSM release for the JOSM version in ../core and saves it in the 
+		** property ${coreversion.info.entry.revision}
+		**
+		-->
+	<target name="core-info">
+		<exec append="false" output="core.info.xml" executable="svn" failifexecutionfails="false">
+			<env key="LANG" value="C"/>
+			<arg value="info"/>
+			<arg value="--xml"/>
+			<arg value="../../core"/>
+		</exec>
+		<xmlproperty file="core.info.xml" prefix="coreversion" keepRoot="true" collapseAttributes="true"/>
+		<echo>Building against core revision ${coreversion.info.entry.revision}.</echo>
+		<echo>Plugin-Mainversion is set to ${plugin.main.version}.</echo>
+		<delete file="core.info.xml" />
+	</target>
+
+	<!--
+		** commits the source tree for this plugin
+		-->
+	<target name="commit-current">
+		<echo>Commiting the plugin source with message '${commit.message}' ...</echo>
+		<exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+			<env key="LANG" value="C"/>
+			<arg value="commit"/>
+			<arg value="-m '${commit.message}'"/>
+			<arg value="."/>
+		</exec>
+	</target>
+
+	<!--
+		** updates (svn up) the source tree for this plugin
+		-->
+	<target name="update-current">
+		<echo>Updating plugin source ...</echo>
+		<exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+			<env key="LANG" value="C"/>
+			<arg value="up"/>
+			<arg value="."/>
+		</exec>
+		<echo>Updating ${plugin.jar} ...</echo>
+		<exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+			<env key="LANG" value="C"/>
+			<arg value="up"/>
+			<arg value="../dist/${plugin.jar}"/>
+		</exec>
+	</target>
+
+	<!--
+		** commits the plugin.jar 
+		-->
+	<target name="commit-dist">
+		<echo>
+	***** Properties of published ${plugin.jar} *****
+	Commit message    : '${commit.message}'					
+	Plugin-Mainversion: ${plugin.main.version}
+	JOSM build version: ${coreversion.info.entry.revision}
+	Plugin-Version    : ${version.entry.commit.revision}
+	***** / Properties of published ${plugin.jar} *****					
+						
+	Now commiting ${plugin.jar} ...
+	</echo>
+		<exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+			<env key="LANG" value="C"/>
+			<arg value="-m '${commit.message}'"/>
+			<arg value="commit"/>
+			<arg value="${plugin.jar}"/>
+		</exec>
+	</target>
+
+	<!-- ** make sure svn is present as a command line tool ** -->
+	<target name="ensure-svn-present">
+		<exec append="true" output="svn.log" executable="svn" failifexecutionfails="false" failonerror="false" resultproperty="svn.exit.code">
+			<env key="LANG" value="C" />
+			<arg value="--version" />
+		</exec>
+		<fail message="Fatal: command 'svn --version' failed. Please make sure svn is installed on your system.">
+			<!-- return code not set at all? Most likely svn isn't installed -->
+			<condition>
+				<not>
+					<isset property="svn.exit.code" />
+				</not>
+			</condition>
+		</fail>
+		<fail message="Fatal: command 'svn --version' failed. Please make sure a working copy of svn is installed on your system.">
+			<!-- error code from SVN? Most likely svn is not what we are looking on this system -->
+			<condition>
+				<isfailure code="${svn.exit.code}" />
+			</condition>
+		</fail>
+	</target>
+
+	<target name="publish" depends="ensure-svn-present,core-info,commit-current,update-current,clean,dist,commit-dist">
+	</target>
+</project>
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/AddressDialog.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/AddressDialog.java	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/AddressDialog.java	(revision 20245)
@@ -0,0 +1,85 @@
+package buildings_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.Choice;
+import java.awt.Component;
+import java.awt.GridBagLayout;
+import java.text.NumberFormat;
+import java.text.ParseException;
+
+import javax.swing.JTextField;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.gui.ExtendedDialog;
+import org.openstreetmap.josm.tools.GBC;
+
+@SuppressWarnings("serial")
+public class AddressDialog extends ExtendedDialog {
+	private static String lhousenum,lstreetname;
+	private static boolean inc = true;
+	private JTextField housenum = new JTextField();
+	private JTextField streetname = new JTextField();
+	private Choice cincdec = new Choice();
+
+	private JPanel panel = new JPanel(new GridBagLayout());
+	private void addLabelled(String str, Component c) {
+		JLabel label = new JLabel(str);
+		panel.add(label, GBC.std());
+		label.setLabelFor(c);
+		panel.add(c, GBC.eol().fill(GBC.HORIZONTAL));
+	}
+
+	public AddressDialog() {
+		super(Main.parent, tr("Building address"), 
+				new String[] { tr("OK"), tr("Cancel") },
+				true);
+		
+		contentConstraints = GBC.eol().fill().insets(15,15,15,5);
+		setButtonIcons(new String[] {"ok.png", "cancel.png" });
+		
+		addLabelled(tr("House number:"),housenum);
+		addLabelled(tr("Street Name:"),streetname);
+		housenum.setText(nextHouseNum());
+		streetname.setText(lstreetname);
+
+		cincdec.add(tr("Increment"));
+		cincdec.add(tr("Decrement"));
+		cincdec.select(inc?0:1);
+		addLabelled(tr("Numbers:"), cincdec);
+
+		setContent(panel);
+		setupDialog();
+		setVisible(true);
+	}
+	
+	private static String nextHouseNum()
+	{
+		if (lhousenum==null) return "";
+		try
+		{
+		  Integer num = NumberFormat.getInstance().parse(lhousenum).intValue();
+		  if (inc) num=num+2; else num = num-2;
+		  return num.toString();
+		} catch (ParseException e)
+		{			
+		  return lhousenum;
+		}
+	}
+	public void saveValues()
+	{
+		lhousenum = housenum.getText();
+		lstreetname = streetname.getText();
+		inc = cincdec.getSelectedItem() == tr("Increment");		
+	}
+	public String getHouseNum()
+	{
+		return housenum.getText();
+	}
+	public String getStreetName()
+	{
+		return streetname.getText();
+	}
+}
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/Building.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/Building.java	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/Building.java	(revision 20245)
@@ -0,0 +1,167 @@
+package buildings_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import static buildings_tools.BuildingsToolsPlugin.eastNorth2latlon;
+import static buildings_tools.BuildingsToolsPlugin.latlon2eastNorth;
+
+import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.geom.GeneralPath;
+import java.util.Collection;
+import java.util.LinkedList;
+
+import javax.swing.JOptionPane;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.command.AddCommand;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.command.SequenceCommand;
+import org.openstreetmap.josm.data.coor.*;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.gui.MapView;
+
+class Building {
+	private static final double eqlen = 40075004; // length of equator in metres
+	private EastNorth en1;
+	private EastNorth en2;
+	private EastNorth en3;
+	private EastNorth en4;
+	
+	private EastNorth p1;
+	private Node node;
+	double meter = 0;
+	
+	private double len = 0;
+	double lwidth;
+	private boolean angconstrainted;
+	private double angconstraint = 0;
+	
+	public void disableAngConstraint() {
+		angconstrainted = false;
+	}
+	public void setAngConstraint(double angle) {
+		angconstrainted = true;
+		angconstraint = angle;
+		while (angconstraint>(Math.PI/4)) angconstraint-=Math.PI/4;
+	}
+	public double getLength()
+	{
+		return len;
+	}
+	
+	public void reset()
+	{
+		len = 0;
+		en1=null;
+		en2=null;
+		en3=null;
+		en4=null;
+	}
+	public EastNorth Point1() { return en1; }
+	public EastNorth Point2() { return en2; }
+	public EastNorth Point3() { return en3; }
+	public EastNorth Point4() { return en4; }
+	private void updMetrics()
+	{
+		meter = 2*Math.PI/(Math.cos(Math.toRadians(eastNorth2latlon(p1).lat())) * eqlen);
+		reset();
+	}
+	public void setBase(EastNorth base)
+	{
+		node = null;
+		p1 = base;
+		updMetrics();
+	}
+	public void setBase(Node base)
+	{
+		node = base;
+		p1 = latlon2eastNorth(base.getCoor());
+		updMetrics();
+	}
+	public void setPlace(EastNorth p2,double width,double lenstep)
+	{
+		double heading = p1.heading(p2);
+		double hdang = 0;
+		if (angconstrainted)
+		{
+			hdang = Math.round((heading-angconstraint)/Math.PI*4);
+			if (hdang>=8)hdang-=8;
+			if (hdang<0)hdang+=8;
+			heading = hdang*Math.PI/4+angconstraint;
+		}
+		double distance = eastNorth2latlon(p1).greatCircleDistance(eastNorth2latlon(p2));
+		if (lenstep <= 0) len=distance; else len = Math.round(distance/lenstep)*lenstep;
+		if (len == 0) return;
+
+		en1 = p1;
+		en2 = new EastNorth(p1.east()+Math.sin(heading)*len*meter,p1.north()+Math.cos(heading)*len*meter);
+		en3 = new EastNorth(p1.east()+Math.sin(heading)*len*meter+Math.cos(heading)*width*meter,p1.north()+Math.cos(heading)*len*meter-Math.sin(heading)*width*meter);
+		en4 = new EastNorth(p1.east()+Math.cos(heading)*width*meter,p1.north()-Math.sin(heading)*width*meter);
+
+		lwidth = width;
+		Main.map.statusLine.setHeading(Math.toDegrees(heading));
+		if (angconstrainted)
+		{
+			Main.map.statusLine.setAngle(hdang*45);
+		}
+	}
+	public void paint(Graphics2D g, MapView mv)
+	{
+		if (len == 0) return;
+		GeneralPath b = new GeneralPath();
+		Point pp1 = mv.getPoint(eastNorth2latlon(en1));
+		Point pp2 = mv.getPoint(eastNorth2latlon(en2));
+		Point pp3 = mv.getPoint(eastNorth2latlon(en4));
+		Point pp4 = mv.getPoint(eastNorth2latlon(en3));
+
+		b.moveTo(pp1.x, pp1.y); b.lineTo(pp3.x, pp3.y);
+		b.lineTo(pp4.x, pp4.y); b.lineTo(pp2.x, pp2.y);
+		b.lineTo(pp1.x, pp1.y);
+		g.draw(b);
+	}
+	public Way create()
+	{
+		if (len == 0) return null;
+		Node n1;
+		if (node==null) 
+			n1 = new Node(eastNorth2latlon(en1));
+		else
+			n1 = node;
+		Node n2 = new Node(eastNorth2latlon(en2));
+		Node n3 = new Node(eastNorth2latlon(en3));
+		Node n4 = new Node(eastNorth2latlon(en4));
+		if (n1.getCoor().isOutSideWorld()||n2.getCoor().isOutSideWorld()||
+				n3.getCoor().isOutSideWorld()||n4.getCoor().isOutSideWorld())
+		{
+			JOptionPane.showMessageDialog(Main.parent,
+				tr("Cannot place building outside of the world."));
+			return null;
+		}
+		Way w = new Way();
+		w.addNode(n1);
+		if (lwidth>=0)
+		{
+			w.addNode(n2);
+			w.addNode(n3);
+			w.addNode(n4);
+		} else
+		{
+			w.addNode(n4);
+			w.addNode(n3);
+			w.addNode(n2);
+		}
+		w.addNode(n1);
+		w.put("building", "yes");
+		Collection<Command> cmds = new LinkedList<Command>();
+		if (node==null) cmds.add(new AddCommand(n1));
+		cmds.add(new AddCommand(n2));
+		cmds.add(new AddCommand(n3));
+		cmds.add(new AddCommand(n4));
+		cmds.add(new AddCommand(w));
+		Command c = new SequenceCommand(tr("Create building"), cmds);
+		Main.main.undoRedo.add(c);
+		return w;
+	}
+}
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingSizeAction.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingSizeAction.java	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingSizeAction.java	(revision 20245)
@@ -0,0 +1,32 @@
+package buildings_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.tools.Shortcut;
+
+@SuppressWarnings("serial")
+public class BuildingSizeAction extends JosmAction {
+	
+	public BuildingSizeAction()
+	{
+		super(tr("Set buildings size"),"mapmode/building",tr("Set buildings size"),
+				Shortcut.registerShortcut("edit:buildingsdialog",
+				        tr("Edit: {0}", tr("Set buildings size")),
+				        KeyEvent.VK_W, Shortcut.GROUP_EDIT, 
+				        Shortcut.SHIFT_DEFAULT),
+				true);
+	}
+	public void actionPerformed(ActionEvent arg0) {
+		BuildingSizeDialog dlg = new BuildingSizeDialog();
+		int answer = dlg.getValue();
+		if (answer == 1) {
+			DrawBuildingAction.SetSizes(dlg.width(), dlg.lenstep());
+			DrawBuildingAction.SetAddrDialog(dlg.useAddr());
+		}
+	}
+
+}
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingSizeDialog.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingSizeDialog.java	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingSizeDialog.java	(revision 20245)
@@ -0,0 +1,71 @@
+package buildings_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.Component;
+import java.awt.GridBagLayout;
+import java.text.NumberFormat;
+import java.text.ParseException;
+
+import javax.swing.JFormattedTextField;
+import javax.swing.JCheckBox;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.gui.ExtendedDialog;
+import org.openstreetmap.josm.tools.GBC;
+
+@SuppressWarnings("serial")
+public class BuildingSizeDialog extends ExtendedDialog {
+	private JFormattedTextField twidth = new JFormattedTextField(NumberFormat.getInstance());
+	private JFormattedTextField tlenstep = new JFormattedTextField(NumberFormat.getInstance());
+	private JPanel panel = new JPanel(new GridBagLayout());
+	private JCheckBox caddr = new JCheckBox(tr("Use Address dialog"));
+	private void addLabelled(String str, Component c) {
+		JLabel label = new JLabel(str);
+		panel.add(label, GBC.std());
+		label.setLabelFor(c);
+		panel.add(c, GBC.eol().fill(GBC.HORIZONTAL));
+	}
+	public BuildingSizeDialog() {
+		super(Main.parent, tr("Set buildings size"), 
+				new String[] { tr("OK"), tr("Cancel") },
+				true);
+		contentConstraints = GBC.eol().fill().insets(15,15,15,5);
+		setButtonIcons(new String[] {"ok.png", "cancel.png" });
+		
+		addLabelled(tr("Buildings width:"),twidth);
+		addLabelled(tr("Length step:"),tlenstep);
+		twidth.setValue(DrawBuildingAction.getWidth());
+		tlenstep.setValue(DrawBuildingAction.getLenStep());
+		panel.add(caddr,GBC.eol().fill(GBC.HORIZONTAL));
+		setContent(panel);
+		setupDialog();
+		setVisible(true);
+	}
+	public double width()
+	{
+		try
+		{
+		  return NumberFormat.getInstance().parse(twidth.getText()).doubleValue();
+		} catch (ParseException e)
+		{			
+		  return 0;
+		}
+	}
+	public double lenstep()
+	{
+		try
+		{
+			  return NumberFormat.getInstance().parse(tlenstep.getText()).doubleValue();
+		} catch (ParseException e)
+		{			
+		  return 0;
+		}
+	}
+	public boolean useAddr()
+	{
+		return caddr.isSelected();
+	}
+}
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingsToolsPlugin.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingsToolsPlugin.java	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/BuildingsToolsPlugin.java	(revision 20245)
@@ -0,0 +1,34 @@
+package buildings_tools;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.data.coor.EastNorth;
+import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.projection.Mercator;
+import org.openstreetmap.josm.gui.IconToggleButton;
+import org.openstreetmap.josm.gui.MainMenu;
+import org.openstreetmap.josm.gui.MapFrame;
+import org.openstreetmap.josm.plugins.Plugin;
+import org.openstreetmap.josm.plugins.PluginInformation;
+
+public class BuildingsToolsPlugin extends Plugin {
+	public static Mercator proj = new Mercator();
+
+	public static EastNorth latlon2eastNorth(LatLon p) {
+		return proj.latlon2eastNorth(p); 
+	}
+	public static LatLon eastNorth2latlon(EastNorth p) {
+		return proj.eastNorth2latlon(p); 
+	}
+
+	public BuildingsToolsPlugin(PluginInformation info)
+	{
+		super(info);
+		Main.main.menu.editMenu.addSeparator();
+		MainMenu.add(Main.main.menu.editMenu, new BuildingSizeAction());       
+	}
+	@Override public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
+		if (oldFrame==null && newFrame!=null) {
+			Main.map.addMapMode(new IconToggleButton(new DrawBuildingAction(Main.map)));
+		}
+	}
+}
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/DrawBuildingAction.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/DrawBuildingAction.java	(revision 20245)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/DrawBuildingAction.java	(revision 20245)
@@ -0,0 +1,336 @@
+package buildings_tools;
+
+import static org.openstreetmap.josm.tools.I18n.marktr;
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import static buildings_tools.BuildingsToolsPlugin.latlon2eastNorth;
+
+import java.awt.AWTEvent;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.EventQueue;
+import java.awt.Graphics2D;
+import java.awt.Point;
+import java.awt.Toolkit;
+import java.awt.event.AWTEventListener;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
+import java.util.Collection;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.mapmode.MapMode;
+import org.openstreetmap.josm.data.Bounds;
+import org.openstreetmap.josm.data.SelectionChangedListener;
+import org.openstreetmap.josm.data.coor.*;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.gui.MapFrame;
+import org.openstreetmap.josm.gui.MapView;
+import org.openstreetmap.josm.gui.layer.Layer;
+import org.openstreetmap.josm.gui.layer.MapViewPaintable;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+import org.openstreetmap.josm.tools.ImageProvider;
+import org.openstreetmap.josm.tools.Shortcut;
+
+@SuppressWarnings("serial")
+public class DrawBuildingAction extends MapMode 
+implements MapViewPaintable, AWTEventListener, SelectionChangedListener
+{
+	enum Mode {None, Drawing, DrawingWidth}
+	final private Cursor cursorCrosshair;
+	final private Cursor cursorJoinNode;
+	private Cursor currCursor;
+	
+	private static double width = 0;
+	private static double lenstep = 0;
+	private static boolean useAddr;
+	
+	private Mode mode = Mode.None;
+	private EastNorth p1,p2,p3;
+	private Color selectedColor;
+	private Point mousePos;
+	
+	private Point drawStartPos;
+	
+	Building building = new Building();
+	
+	public static void SetAddrDialog(boolean _useAddr)
+	{
+		useAddr = _useAddr;
+	}
+	public static void SetSizes(double newwidth,double newlenstep)
+	{
+		width = newwidth;
+		lenstep = newlenstep;
+	}
+	public static double getWidth()
+	{
+		return width;
+	}
+	
+	public static double getLenStep()
+	{
+		return lenstep;
+	}
+	public DrawBuildingAction(MapFrame mapFrame)
+	{
+		super(tr("Draw buildings"),"building",tr("Draw buildings"),
+				Shortcut.registerShortcut("mapmode:buildings",
+						tr("Mode: {0}", tr("Draw buildings")),
+						KeyEvent.VK_W, Shortcut.GROUP_EDIT),
+				mapFrame,getCursor());
+		
+		cursorCrosshair = getCursor();
+		cursorJoinNode = ImageProvider.getCursor("crosshair", "joinnode");
+		currCursor = cursorCrosshair;
+		
+		selectedColor = Main.pref.getColor(marktr("selected"), Color.red);
+	}
+	private static Cursor getCursor() {
+		try {
+			return ImageProvider.getCursor("crosshair", null);
+		} catch (Exception e) {
+		}
+		return Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR);
+	}
+	/**
+	 * Displays the given cursor instead of the normal one
+	 * @param Cursors One of the available cursors
+	 */
+	private void setCursor(final Cursor c) {
+		if(currCursor.equals(c))
+			return;
+		try {
+			// We invoke this to prevent strange things from happening
+			EventQueue.invokeLater(new Runnable() {
+				public void run() {
+					// Don't change cursor when mode has changed already
+					if(!(Main.map.mapMode instanceof DrawBuildingAction))
+						return;
+					Main.map.mapView.setCursor(c);
+				}
+			});
+			currCursor = c;
+		} catch(Exception e) {}
+	}
+	private static void showAddrDialog(Way w)
+	{
+		AddressDialog dlg = new AddressDialog();
+		int answer = dlg.getValue();
+		if (answer == 1) {
+			dlg.saveValues();
+			String tmp;
+			tmp = dlg.getHouseNum();
+			if (tmp!=null&&tmp!="") w.put("addr:housenumber",tmp);
+			tmp = dlg.getStreetName();
+			if (tmp!=null&&tmp!="") w.put("addr:street",tmp);
+		}
+	}
+
+	@Override public void enterMode() {
+		super.enterMode();
+		currCursor = cursorCrosshair;
+		Main.map.mapView.addMouseListener(this);
+		Main.map.mapView.addMouseMotionListener(this);
+		Main.map.mapView.addTemporaryLayer(this);
+		DataSet.selListeners.add(this);
+		UpdateConstraint(getCurrentDataSet().getSelected());
+		try {
+			Toolkit.getDefaultToolkit().addAWTEventListener(this, AWTEvent.KEY_EVENT_MASK);
+		} catch (SecurityException ex) { }
+	}
+
+	@Override public void exitMode() {
+		super.exitMode();
+		Main.map.mapView.removeMouseListener(this);
+		Main.map.mapView.removeMouseMotionListener(this);
+		Main.map.mapView.removeTemporaryLayer(this);
+		DataSet.selListeners.remove(this);
+		try {
+			Toolkit.getDefaultToolkit().removeAWTEventListener(this);
+		} catch (SecurityException ex) { }
+		if (mode!=Mode.None) Main.map.mapView.repaint();
+		mode = Mode.None;
+	}
+	
+	public void cancelDrawing()
+	{
+		mode = Mode.None;
+		if(Main.map == null || Main.map.mapView == null)
+			return;
+		Main.map.mapView.repaint();
+	}
+
+	public void eventDispatched(AWTEvent arg0) {
+		if (!(arg0 instanceof KeyEvent)) return;
+		KeyEvent ev = (KeyEvent)arg0;
+		if (ev.getKeyCode() == KeyEvent.VK_ESCAPE)
+			cancelDrawing();
+	}
+
+	private void ProcessMouseEvent(MouseEvent e)
+	{
+		mousePos = e.getPoint();
+		if (mode == Mode.None) return;
+		Node n;
+		if (mode == Mode.Drawing)
+		{
+			if (e.isControlDown()) n = null; else n = Main.map.mapView.getNearestNode(mousePos);
+			if (n == null)
+				p2 = latlon2eastNorth(Main.map.mapView.getLatLon(mousePos.x, mousePos.y));
+			else
+				p2 = latlon2eastNorth(n.getCoor());
+			building.setPlace(p2, width, e.isControlDown()?0:lenstep);
+			Main.map.statusLine.setDist(building.getLength());
+			return;
+		}
+		if (mode == Mode.DrawingWidth)
+		{
+			if (e.isControlDown()) n = null; else n = Main.map.mapView.getNearestNode(mousePos);
+			if (n == null)
+				p3 = latlon2eastNorth(Main.map.mapView.getLatLon(mousePos.x, mousePos.y));
+			else
+				p3 = latlon2eastNorth(n.getCoor());
+			
+			double mwidth =
+				((p3.east()-p2.east())*(p2.north()-p1.north())+
+				 (p3.north()-p2.north())*(p1.east()-p2.east()))
+				/p1.distanceSq(p2) * building.getLength();
+			
+			building.setPlace(p2, mwidth, lenstep);
+			Main.map.statusLine.setDist(Math.abs(mwidth));			
+			return;
+		}
+	}
+	public void paint(Graphics2D g, MapView mv,Bounds bbox)
+	{
+		if (mode == Mode.None) return;
+		if (building.getLength()==0)return;
+		
+		g.setColor(selectedColor);
+		g.setStroke(new BasicStroke(3, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+		
+		building.paint(g, mv);
+		
+		g.setStroke(new BasicStroke(1));
+
+	}
+	
+	private void drawingStart(MouseEvent e)
+	{
+		mousePos = e.getPoint();
+		drawStartPos = mousePos;
+		
+		Node n = Main.map.mapView.getNearestNode(mousePos);
+		if (n == null)
+		{
+			p1 = latlon2eastNorth(Main.map.mapView.getLatLon(mousePos.x, mousePos.y));
+			building.setBase(p1);
+		} else
+		{
+			p1 = latlon2eastNorth(n.getCoor());
+			building.setBase(n);
+		}
+		mode = Mode.Drawing;
+		updateStatusLine();
+	}
+
+	private void drawingAdvance(MouseEvent e)
+	{
+		ProcessMouseEvent(e);
+		if (building.getLength() > 0)
+		{
+			if (width == 0 && mode == Mode.Drawing)
+			{
+				p2 = building.Point2();
+				mode = Mode.DrawingWidth;
+				updateStatusLine();
+				return;
+			}
+			Way w = building.create();
+			if (w != null && useAddr)
+				showAddrDialog(w);
+		}
+		Main.map.mapView.repaint();
+		mode = Mode.None;
+		Main.map.statusLine.setHeading(-1);
+  		Main.map.statusLine.setAngle(-1);
+  		building.reset();
+		updateStatusLine();
+	}
+
+	@Override public void mousePressed(MouseEvent e)
+	{
+		if (e.getButton() != MouseEvent.BUTTON1) return;
+		if(!Main.map.mapView.isActiveLayerDrawable()) return;		
+
+		if (mode == Mode.None)
+			drawingStart(e);
+	}
+
+	@Override public void mouseDragged(MouseEvent e)
+	{
+		ProcessMouseEvent(e);
+		updCursor();
+		if (mode!=Mode.None) Main.map.mapView.repaint();
+	}
+
+	@Override public void mouseReleased(MouseEvent e)
+	{
+		if (e.getButton() != MouseEvent.BUTTON1) return;
+		if(!Main.map.mapView.isActiveLayerDrawable()) return;
+		
+		boolean dragged = true;
+		if (drawStartPos != null)
+			dragged = e.getPoint().distance(drawStartPos) > 10;
+		drawStartPos = null;
+
+		if ((mode == Mode.Drawing && dragged) || mode == Mode.DrawingWidth)
+			drawingAdvance(e);
+	}
+	
+	private void updCursor()
+	{
+		if (mousePos==null) return;
+		Node n = Main.map.mapView.getNearestNode(mousePos);
+		if (n != null) setCursor(cursorJoinNode); else setCursor(cursorCrosshair);
+
+	}
+	@Override public void mouseMoved(MouseEvent e)
+	{
+		if(!Main.map.mapView.isActiveLayerDrawable()) return;
+		ProcessMouseEvent(e);
+		updCursor();
+		if (mode!=Mode.None) Main.map.mapView.repaint();
+	}
+
+	@Override public String getModeHelpText() {
+		if (mode==Mode.None) return "Point on angle of building to start drawing";
+		if (mode==Mode.Drawing) return "Point on opposite end of building";
+		if (mode==Mode.DrawingWidth) return "Set width of building";
+		return "";
+	}
+
+	@Override public boolean layerIsSupported(Layer l) {
+		return l instanceof OsmDataLayer;
+	}
+	
+	public void UpdateConstraint(Collection<? extends OsmPrimitive> newSelection)
+	{
+		building.disableAngConstraint();
+		if (newSelection.size()!=2)return;
+   		Object[] arr = newSelection.toArray();
+   		if (!(arr[0] instanceof Node&&arr[1] instanceof Node)) return;
+   		EastNorth p1,p2;
+   		p1=latlon2eastNorth(((Node)arr[0]).getCoor());
+   		p2=latlon2eastNorth(((Node)arr[1]).getCoor());
+   		building.setAngConstraint(p1.heading(p2));
+	}
+	
+	public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
+		UpdateConstraint(newSelection);
+	}
+}
