Merge branch 'develop' of https://gitlab.lrz.de/vadere/vadere into develop

.gitignore

@@ -23,10 +23,12 @@ VadereSimulator/resources/current_commit_hash.txt
 
 #model test output
 VadereModelTests/TestOSM/output/*
+VadereModelTests/TestOSM_Group/output/*
 VadereModelTests/TestSFM/output/*
 VadereModelTests/TestGNM/output/*
 VadereModelTests/TestOVM/output/*
 VadereModelTests/TestOSM/processed output/*
+VadereModelTests/TestOSM_Group/processed output/*
 VadereModelTests/TestSFM/processed output/*
 VadereModelTests/TestGNM/processed output/*
 VadereModelTests/TestOVM/processed output/*

VadereGui/resources/messages.properties

@@ -217,6 +217,7 @@ PostVis.chbShowObstacles.text=Show Obstacles
 PostVis.chbShowTargets.text=Show Targets
 PostVis.chbShowSources.text=Show Sources
 PostVis.chbShowStairs.text=Show Stairs
+PostVis.btnSnapshot.tooltip=Snapshot
 PostVis.btnPNGSnapshot.tooltip=PNG Snapshot
 PostVis.btnSVGSnapshot.tooltip=SVG Snapshot
 PostVis.btnTikZSnapshot.tooltip=TikZ Snapshot
@@ -255,6 +256,7 @@ SettingsDialog.menuOpenFloorFieldFile.title=Add Floor Field File...
 View.btnDrawVoronoiDiagram.tooltip=Draw and display a Voronoi Diagram
 View.chbLogo.text=Show the Vadere logo
 View.btnShowWalkingDirection.tooltip=Show the walking direction of all pedestrians
+View.btnShowGroupInformation.tooltip=Draw pedestrians within one group with same shape and color
 View.btnShowPedestrian.tooltip=Show Pedestrians
 View.btnShowPotentialfield.tooltip=Show Potential Field (only possible after adding potential field file)
 View.btnShowTrajectories.tooltip=Show Trajectories

VadereGui/resources/messages_de_DE.properties

@@ -217,9 +217,10 @@ PostVis.chbShowObstacles.text=Hindernisse anzeigen
 PostVis.chbShowTargets.text=Ziele anzeigen
 PostVis.chbShowSources.text=Quellen anzeigen
 PostVis.chbShowStairs.text=Treppen anzeigen
+PostVis.btnSnapshot.tooltip=Snapshot
 PostVis.btnPNGSnapshot.tooltip=PNG-Snapshot
 PostVis.btnSVGSnapshot.tooltip=SVG-Snapshot
-PostVis.btnTikZSnapshot.tooltip=TikZ Snapshot
+PostVis.btnTikZSnapshot.tooltip=TikZ-Snapshot
 PostVis.menuFile.title=Datei
 PostVis.menuSettings.title=Einstellungen
 PostVis.menuRecentFiles.title=K\u00FCrzlich verwendete Dateien
@@ -255,6 +256,7 @@ SettingsDialog.menuOpenFloorFieldFile.title=Floor Field-Datei hinzuf\u00fcgen...
 View.btnDrawVoronoiDiagram.tooltip=Voronoi-Diagramm zeichnen und anzeigen
 View.chbLogo.text=VADERE-Logo anzeigen
 View.btnShowWalkingDirection.tooltip=Gehrichtung aller Fu\u00dfg\u00e4nger anzeigen
+View.btnShowGroupInformation.tooltip=Zeichne Fu\u00dfg\u00e4nger einer Gruppe mit denn selben Formen und Farben
 View.btnShowPedestrian.tooltip=Fu\u00dfg\u00e4nger anzeigen
 View.btnShowPotentialfield.tooltip=Potenzialfeld anzeigen (nur m\u00f6glich, nachdem eine Datei f\u00fcr das Potenzialfeld hinzugef\u00fcgt wurde)
 View.btnShowTrajectories.tooltip=Trajektorien anzeigen

VadereGui/src/org/vadere/gui/components/model/DefaultSimulationConfig.java

@@ -22,6 +22,7 @@ public class DefaultSimulationConfig extends DefaultConfig {
 	private boolean showTrajectories = false;
 	private boolean showGrid = false;
 	private boolean showDensity = false;
+	private boolean showGroups = false;
 	protected final Color pedestrianDefaultColor = Color.BLUE;
 
 	public DefaultSimulationConfig() {
@@ -37,6 +38,15 @@ public class DefaultSimulationConfig extends DefaultConfig {
 		this.showPedestrians = config.showPedestrians;
 		this.showLogo = config.showLogo;
 		this.showStairs = config.showStairs;
+		this.showGroups = config.showGroups;
+	}
+
+	public boolean isShowGroups() {
+		return showGroups;
+	}
+
+	public void setShowGroups(boolean showGroups) {
+		this.showGroups = showGroups;
 	}
 
 	public boolean isShowLogo() {

VadereGui/src/org/vadere/gui/components/view/ScenarioElementView.java

@@ -106,8 +106,7 @@ public class ScenarioElementView extends JPanel implements ISelectScenarioElemen
 			}
 
 			@Override
-			public void removeUpdate(DocumentEvent e)
-			{
+			public void removeUpdate(DocumentEvent e) {
 				updateModel();
 			}
 
@@ -186,8 +185,8 @@ public class ScenarioElementView extends JPanel implements ISelectScenarioElemen
 				} else if (scenarioElement instanceof Pedestrian) {
 					this.txtrTextfiletextarea.setText(StateJsonConverter.serializeObject(scenarioElement));
 				} else {
-                    this.txtrTextfiletextarea.setText(StateJsonConverter
-                            .serializeObject(scenarioElement.getAttributes()));
+					this.txtrTextfiletextarea.setText(StateJsonConverter
+							.serializeObject(scenarioElement.getAttributes()));
 				}
 			}
 		}

VadereGui/src/org/vadere/gui/components/view/SimulationRenderer.java

@@ -16,6 +16,7 @@ import org.vadere.gui.components.model.SimulationModel;
 import org.vadere.gui.components.utils.CLGaussianCalculator;
 import org.vadere.gui.components.utils.ColorHelper;
 import org.vadere.gui.components.utils.Resources;
+import org.vadere.gui.renderer.agent.AgentRender;
 import org.vadere.state.scenario.Agent;
 import org.vadere.util.geometry.shapes.VPoint;
 import org.vadere.util.geometry.shapes.VTriangle;
@@ -35,12 +36,14 @@ public abstract class SimulationRenderer extends DefaultRenderer {
     private ColorHelper colorHelper;
     private Color lastDensityColor = null;
     private int topographyId;
+    private AgentRender agentRender;
 
     public SimulationRenderer(final SimulationModel model) {
         super(model);
         this.model = model;
         this.topographyId = -1;
         this.colorHelper = new ColorHelper(40);
+        this.agentRender = new AgentRender(model);
     }
 
     @Override
@@ -205,4 +208,12 @@ public abstract class SimulationRenderer extends DefaultRenderer {
     private float getGridLineWidth() {
         return (float) (0.5 / model.getScaleFactor());
     }
+
+    public AgentRender getAgentRender() {
+        return agentRender;
+    }
+
+    public void setAgentRender(AgentRender agentRender) {
+        this.agentRender = agentRender;
+    }
 }
\ No newline at end of file

VadereGui/src/org/vadere/gui/onlinevisualization/OnlineVisualization.java

@@ -36,7 +36,8 @@ public class OnlineVisualization implements PassiveCallback {
 	private OnlineVisualisationWindow onlineVisualisationPanel;
 	private OnlineVisualizationModel model;
 	private Topography scenario;
-	private @Nullable IPotentialFieldTarget potentialFieldTarget;
+	private @Nullable
+	IPotentialFieldTarget potentialFieldTarget;
 	private boolean enableVisualization;
 
 	public OnlineVisualization(boolean enableVisualization) {

VadereGui/src/org/vadere/gui/onlinevisualization/control/ActionGenerateTikz.java

@@ -12,6 +12,7 @@ import org.vadere.gui.postvisualization.utils.SVGGenerator;
 import org.vadere.gui.postvisualization.utils.TikzGenerator;
 
 import javax.swing.*;
+
 import java.awt.event.ActionEvent;
 import java.io.File;
 import java.text.SimpleDateFormat;
@@ -25,7 +26,7 @@ public class ActionGenerateTikz extends AbstractAction implements IRendererChang
 	private final SimulationModel<? extends DefaultSimulationConfig> model;
 
 	public ActionGenerateTikz(final String name, final Icon icon, final SimulationRenderer renderer,
-                              final SimulationModel<? extends DefaultSimulationConfig> model) {
+							  final SimulationModel<? extends DefaultSimulationConfig> model) {
 		super(name, icon);
 		this.tikzGenerator = new TikzGenerator(renderer, model);
 		this.model = model;
@@ -55,5 +56,6 @@ public class ActionGenerateTikz extends AbstractAction implements IRendererChang
 	}
 
 	@Override
-	public void update(SimulationRenderer renderer) {}
+	public void update(SimulationRenderer renderer) {
+	}
 }

VadereGui/src/org/vadere/gui/onlinevisualization/control/ActionOnlineVisMenu.java

+package org.vadere.gui.onlinevisualization.control;
+
+import org.vadere.gui.postvisualization.control.ActionVisualization;
+
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.util.List;
+
+import javax.swing.*;
+
+public class ActionOnlineVisMenu extends AbstractAction {
+
+	private final List<Action> actions;
+	private JPopupMenu menu;
+	private Component parent;
+
+
+	public ActionOnlineVisMenu(final String name, Icon icon, final List<Action> actions) {
+		super(name, icon);
+		this.actions = actions;
+	}
+
+	public void setParent(Component parent) {
+		this.parent = parent;
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		SwingUtilities.invokeLater(new Runnable() {
+
+			@Override
+			public void run() {
+				if (menu == null) {
+					menu = new JPopupMenu();
+					for (Action action : actions) {
+						menu.add(action);
+					}
+				}
+				menu.show(parent, 0, parent.getHeight());
+			}
+		});
+	}
+}

VadereGui/src/org/vadere/gui/onlinevisualization/view/OnlineVisualisationWindow.java

@@ -3,8 +3,6 @@ package org.vadere.gui.onlinevisualization.view;
 import com.jgoodies.forms.layout.CellConstraints;
 import com.jgoodies.forms.layout.FormLayout;
 
-import javax.swing.*;
-
 import org.vadere.gui.components.control.IViewportChangeListener;
 import org.vadere.gui.components.control.JViewportChangeListener;
 import org.vadere.gui.components.control.PanelResizeListener;
@@ -18,14 +16,18 @@ import org.vadere.gui.components.view.SimulationInfoPanel;
 import org.vadere.gui.onlinevisualization.control.ActionGeneratePNG;
 import org.vadere.gui.onlinevisualization.control.ActionGenerateSVG;
 import org.vadere.gui.onlinevisualization.control.ActionGenerateTikz;
+import org.vadere.gui.onlinevisualization.control.ActionOnlineVisMenu;
 import org.vadere.gui.onlinevisualization.control.ActionShowPotentialField;
 import org.vadere.gui.onlinevisualization.model.OnlineVisualizationModel;
 
 import java.awt.*;
 import java.awt.event.ActionEvent;
+import java.util.ArrayList;
 import java.util.Observable;
 import java.util.Observer;
 
+import javax.swing.*;
+
 public class OnlineVisualisationWindow extends JPanel implements Observer {
 
 	private static final long serialVersionUID = 3522170593760789565L;
@@ -102,6 +104,15 @@ public class OnlineVisualisationWindow extends JPanel implements Observer {
 			}
 		};
 
+		AbstractAction showGroupInformationAction = new AbstractAction("showGroupInformationAction",
+				resources.getIcon("group.png", iconWidth, iconHeight)) {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				model.config.setShowGroups(!model.config.isShowGroups());
+				model.notifyObservers();
+			}
+		};
+
 		AbstractAction paintGridAction = new AbstractAction("paintGridAction",
 				resources.getIcon("grid.png", iconWidth, iconHeight)) {
 
@@ -139,20 +150,20 @@ public class OnlineVisualisationWindow extends JPanel implements Observer {
 		};
 
 		ActionGeneratePNG generatePNG = new ActionGeneratePNG(
-				"generatePNG",
+				Messages.getString("PostVis.btnPNGSnapshot.tooltip"),
 				resources.getIcon("camera_png.png", iconWidth, iconHeight),
 				new OnlinevisualizationRenderer(model),
 				model);
 
 
 		ActionGenerateSVG generateSVG = new ActionGenerateSVG(
-				"generateSVG",
+				Messages.getString("PostVis.btnSVGSnapshot.tooltip"),
 				resources.getIcon("camera_svg.png", iconWidth, iconHeight),
 				new OnlinevisualizationRenderer(model),
 				model);
 
 		ActionGenerateTikz generateTikz = new ActionGenerateTikz(
-				"generateTikz",
+				Messages.getString("PostVis.btnTikZSnapshot.tooltip"),
 				resources.getIcon("camera_tikz.png", iconWidth, iconHeight),
 				new OnlinevisualizationRenderer(model),
 				model);
@@ -174,6 +185,8 @@ public class OnlineVisualisationWindow extends JPanel implements Observer {
 				Messages.getString("View.btnShowTrajectories.tooltip"));
 		SwingUtils.addActionToToolbar(toolbar, paintArrowAction,
 				Messages.getString("View.btnShowWalkingDirection.tooltip"));
+		SwingUtils.addActionToToolbar(toolbar, showGroupInformationAction,
+				Messages.getString("View.btnShowGroupInformation.tooltip"));
 
 		toolbar.addSeparator();
 
@@ -182,9 +195,18 @@ public class OnlineVisualisationWindow extends JPanel implements Observer {
 
 		toolbar.addSeparator();
 
-		SwingUtils.addActionToToolbar(toolbar, generatePNG, Messages.getString("PostVis.btnPNGSnapshot.tooltip"));
-		SwingUtils.addActionToToolbar(toolbar, generateSVG, Messages.getString("PostVis.btnSVGSnapshot.tooltip"));
-		SwingUtils.addActionToToolbar(toolbar, generateTikz, Messages.getString("PostVis.btnTikzSnapshot.tooltip"));
+		ArrayList<Action> imgOptions = new ArrayList<>();
+		imgOptions.add(generatePNG);
+		imgOptions.add(generateSVG);
+		imgOptions.add(generateTikz);
+
+		ActionOnlineVisMenu imgDialog = new ActionOnlineVisMenu(
+				"camera_menu",
+				resources.getIcon("camera.png", iconWidth, iconHeight), imgOptions);
+		JButton imgMenuBtn =
+				SwingUtils.addActionToToolbar(toolbar, imgDialog, "PostVis.btnSnapshot.tooltip");
+		imgDialog.setParent(imgMenuBtn);
+
         SwingUtils.addActionToToolbar(toolbar, showPotentialField, Messages.getString("OnlineVis.btnShowPotentialfield.tooltip"));
 
 		add(toolbar, cc.xyw(2, 2, 3));
@@ -192,6 +214,9 @@ public class OnlineVisualisationWindow extends JPanel implements Observer {
 		scrollPane.setPreferredSize(new Dimension(1, windowHeight));
 		add(jsonPanel, cc.xy(4, 4));
 		add(infoPanel, cc.xyw(2, 6, 3));
+
+		repaint();
+		revalidate();
 	}
 
 	@Override

VadereGui/src/org/vadere/gui/onlinevisualization/view/OnlinevisualizationRenderer.java

@@ -8,6 +8,7 @@ import java.util.Map;
 import org.vadere.gui.components.view.DefaultRenderer;
 import org.vadere.gui.components.view.SimulationRenderer;
 import org.vadere.gui.onlinevisualization.model.OnlineVisualizationModel;
+import org.vadere.gui.renderer.agent.AgentRender;
 import org.vadere.state.scenario.Agent;
 import org.vadere.util.geometry.shapes.VPoint;
 
@@ -55,10 +56,11 @@ public class OnlinevisualizationRenderer extends SimulationRenderer {
 	}
 
 	private void renderPedestrians(final Graphics2D g) {
+		AgentRender agentRender = getAgentRender();
 		g.setColor(model.config.getPedestrianDefaultColor());
 		for (Agent ped : model.getAgents()) {
 			VPoint position = ped.getPosition();
-			g.fill(ped.getShape());
+			agentRender.render(ped, g);
 
 			if (!pedestrianPositions.containsKey(ped.getId())) {
 				pedestrianPositions.put(ped.getId(), new LinkedList());

VadereGui/src/org/vadere/gui/postvisualization/control/ActionGenerateTikz.java

@@ -8,6 +8,7 @@ import org.vadere.gui.postvisualization.utils.TikzGenerator;
 import org.vadere.gui.postvisualization.view.PostvisualizationRenderer;
 
 import javax.swing.*;
+
 import java.awt.event.ActionEvent;
 import java.io.File;
 import java.text.SimpleDateFormat;

VadereGui/src/org/vadere/gui/postvisualization/control/ActionVisualizationMenu.java

+package org.vadere.gui.postvisualization.control;
+
+import org.vadere.gui.postvisualization.model.PostvisualizationModel;
+
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.util.List;
+
+import javax.swing.*;
+
+public class ActionVisualizationMenu extends ActionVisualization {
+
+	private final List<Action> actions;
+	private JPopupMenu menu;
+	private Component parent;
+	private final ActionVisualization action;
+
+	public ActionVisualizationMenu(String name, Icon icon, PostvisualizationModel model,
+								   final ActionVisualization action,
+								   final List<Action> actions) {
+		super(name, icon, model);
+		this.action = action;
+		this.actions = actions;
+	}
+
+	public ActionVisualizationMenu(String name, PostvisualizationModel model,
+								   final ActionVisualization action,
+								   final List<Action> actions) {
+		super(name, model);
+		this.action = action;
+		this.actions = actions;
+	}
+
+	public void setParent(Component parent) {
+		this.parent = parent;
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		SwingUtilities.invokeLater(new Runnable() {
+
+			@Override
+			public void run() {
+				if (menu == null) {
+					menu = new JPopupMenu();
+					for (Action action : actions) {
+						menu.add(action);
+					}
+				}
+				menu.show(parent, 0, parent.getHeight());
+			}
+		});
+
+//		action.actionPerformed(e);
+	}
+}

VadereGui/src/org/vadere/gui/postvisualization/utils/TikzGenerator.java

@@ -2,6 +2,7 @@ package org.vadere.gui.postvisualization.utils;
 
 import org.apache.log4j.LogManager;
 import org.apache.log4j.Logger;
+import org.jetbrains.annotations.NotNull;
 import org.vadere.gui.components.model.DefaultSimulationConfig;
 import org.vadere.gui.components.model.SimulationModel;
 import org.vadere.gui.components.view.SimulationRenderer;
@@ -22,16 +23,14 @@ import static java.awt.geom.PathIterator.*;
  * @see PathIterator This PathSeparator must be converted into its TikZ
  * representation.
  *
- * For example, traversing a Java path with PathIterator returns two
- * segments:
+ * For example, traversing a Java path with PathIterator returns two segments:
  *
- *
- *     segment type= 0 (SEG_MOVETO) with coords: [1.0, 1.0, 0.0, 0.0, 0.0, 0.0]
- *     segment type= 3 (SEG_LINETO) with coords: [2.0, 2.0, 0.0, 0.0, 0.0, 0.0]
+ *   segment type = 0 (SEG_MOVETO) with coords: [1.0, 1.0, 0.0, 0.0, 0.0, 0.0]
+ *   segment type = 3 (SEG_LINETO) with coords: [2.0, 2.0, 0.0, 0.0, 0.0, 0.0]
  *
  * This must be transformed to TikZ:
  *
- *     (1.0,1.0) to (2.0,2.0)
+ * (1.0,1.0) to (2.0,2.0)
  *
  * The TikZGenerator should also respect the GUI settings (e.g., enabled
  * elements, colors etc.).
@@ -41,48 +40,48 @@ public class TikzGenerator {
 	private final static Logger logger = LogManager.getLogger(TikzGenerator.class);
 	private final SimulationRenderer renderer;
 	private final SimulationModel<? extends DefaultSimulationConfig> model;
-    private final String[] translationTable;
+	private final String[] translationTable;
 
 	public TikzGenerator(final SimulationRenderer renderer,
-                         final SimulationModel<? extends DefaultSimulationConfig> model) {
+						 final SimulationModel<? extends DefaultSimulationConfig> model) {
 		this.renderer = renderer;
 		this.model = model;
-        this.translationTable = new String[SEG_CLOSE + 1];
+		this.translationTable = new String[SEG_CLOSE + 1];
 
-        initializeTranslationTable(translationTable);
-    }
+		initializeTranslationTable(translationTable);
+	}
 
-    private void initializeTranslationTable(String[] translationTable) {
-	    // Map Java path commands to TikZ commands.
-        translationTable[SEG_MOVETO] = "(%f,%f) ";
-        translationTable[SEG_LINETO] = "to (%f,%f) ";
-        translationTable[SEG_QUADTO] = ".. controls (%f,%f) .. (%f,%f) ";
-        translationTable[SEG_CUBICTO] = ".. controls (%f,%f) and (%f,%f) .. (%f,%f) ";
-        translationTable[SEG_CLOSE] = "to cycle;";
-    }
+	private void initializeTranslationTable(String[] translationTable) {
+		// Map Java path commands to TikZ commands.
+		translationTable[SEG_MOVETO] = "(%f,%f) ";
+		translationTable[SEG_LINETO] = "to (%f,%f) ";
+		translationTable[SEG_QUADTO] = ".. controls (%f,%f) .. (%f,%f) ";
+		translationTable[SEG_CUBICTO] = ".. controls (%f,%f) and (%f,%f) .. (%f,%f) ";
+		translationTable[SEG_CLOSE] = "to cycle;";
+	}
 
-    public void generateTikz(final File file, final boolean generateCompleteDocument) {
-	    String texTemplate = "" +
-                "\\documentclass{standalone}\n" +
-                "\\usepackage{tikz}\n\n" +
-                "\\begin{document}\n" +
-                "\\begin{tikzpicture}\n" +
-                "%s" +
-                "\\end{tikzpicture}\n" +
-                "\\end{document}\n";
+	public void generateTikz(final File file, final boolean generateCompleteDocument) {
+		String texTemplate = "" +
+				"\\documentclass{standalone}\n" +
+				"\\usepackage{tikz}\n\n" +
+				"\\begin{document}\n" +
+				"\\begin{tikzpicture}\n" +
+				"%s" +
+				"\\end{tikzpicture}\n" +
+				"\\end{document}\n";
 
-	    String tikzCode = "";
-	    tikzCode += generateTikzColorDefinitions(model);
-	    tikzCode += convertScenarioElementsToTikz();
+		String tikzCode = "";
+		tikzCode += generateTikzColorDefinitions(model);
+		tikzCode += convertScenarioElementsToTikz();
 
-	    String output = (generateCompleteDocument) ? String.format(texTemplate, tikzCode) : tikzCode ;
+		String output = (generateCompleteDocument) ? String.format(texTemplate, tikzCode) : tikzCode;
 
-	    // TODO: maybe uses Java's resources notation (in general, writing the file should be done by the caller not here).
+		// TODO: maybe uses Java's resources notation (in general, writing the file should be done by the caller not here).
 		try {
 			file.createNewFile();
-            Writer out = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
-            out.write(output);
-            out.flush();
+			Writer out = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
+			out.write(output);
+			out.flush();
 			logger.info("generate new TikZ: " + file.getAbsolutePath());
 		} catch (IOException e1) {
 			logger.error(e1.getMessage());
@@ -90,130 +89,176 @@ public class TikzGenerator {
 		}
 	}
 
-    private String generateTikzColorDefinitions(SimulationModel<? extends DefaultSimulationConfig> model) {
-        String colorDefinitions = "% Color Definitions\n";
+	private String generateTikzColorDefinitions(SimulationModel<? extends DefaultSimulationConfig> model) {
+		String colorDefinitions = "% Color Definitions\n";
 
-        String colorTextPattern = "\\definecolor{%s}{RGB}{%d,%d,%d}\n";
+		String colorTextPattern = "\\definecolor{%s}{RGB}{%d,%d,%d}\n";
 
-        Color sourceColor = model.getConfig().getSourceColor();
-        colorDefinitions += String.format(colorTextPattern, "SourceColor", sourceColor.getRed(), sourceColor.getGreen(), sourceColor.getBlue());
+		Color sourceColor = model.getConfig().getSourceColor();
+		colorDefinitions += String.format(colorTextPattern, "SourceColor", sourceColor.getRed(), sourceColor.getGreen(), sourceColor.getBlue());
 
-        Color targetColor = model.getConfig().getTargetColor();
-        colorDefinitions += String.format(colorTextPattern, "TargetColor", targetColor.getRed(), targetColor.getGreen(), targetColor.getBlue());
+		Color targetColor = model.getConfig().getTargetColor();
+		colorDefinitions += String.format(colorTextPattern, "TargetColor", targetColor.getRed(), targetColor.getGreen(), targetColor.getBlue());
 
-        Color obstacleColor = model.getConfig().getObstacleColor();
-        colorDefinitions += String.format(colorTextPattern, "ObstacleColor", obstacleColor.getRed(), obstacleColor.getGreen(), obstacleColor.getBlue());
+		Color obstacleColor = model.getConfig().getObstacleColor();
+		colorDefinitions += String.format(colorTextPattern, "ObstacleColor", obstacleColor.getRed(), obstacleColor.getGreen(), obstacleColor.getBlue());
 
-        Color stairColor = model.getConfig().getStairColor();
-        colorDefinitions += String.format(colorTextPattern, "StairColor", stairColor.getRed(), stairColor.getGreen(), stairColor.getBlue());
+		Color stairColor = model.getConfig().getStairColor();
+		colorDefinitions += String.format(colorTextPattern, "StairColor", stairColor.getRed(), stairColor.getGreen(), stairColor.getBlue());
 
-        Color agentColor = model.getConfig().getPedestrianDefaultColor();
-        colorDefinitions += String.format(colorTextPattern, "AgentColor", agentColor.getRed(), agentColor.getGreen(), agentColor.getBlue());
+		Color agentColor = model.getConfig().getPedestrianDefaultColor();
+		colorDefinitions += String.format(colorTextPattern, "AgentColor", agentColor.getRed(), agentColor.getGreen(), agentColor.getBlue());
 
-        return colorDefinitions;
-    }
+		return colorDefinitions;
+	}
 
 	private String convertScenarioElementsToTikz() {
-	    String generatedCode = "";
+		String generatedCode = "";
+
+		DefaultSimulationConfig config = model.getConfig();
+		Topography topography = model.getTopography();
+
+		// Draw background elements first, then agents.
+		generatedCode += "% Ground\n";
+		String groundTextPattern = (config.isShowGrid()) ? "\\draw[help lines] (%f,%f) grid (%f,%f);\n" : "\\fill[white] (%f,%f) rectangle (%f,%f);\n";
+		generatedCode += String.format(groundTextPattern,
+				topography.getBounds().x,
+				topography.getBounds().y,
+				topography.getBounds().x + topography.getBounds().width,