Add design spec for OpenGL 3D view

Replaces the JavaFX SubScene/MeshView rendering with an OpenGL viewport
(openglfx-jogl, GL 3.3 core), single global VBO, GPU color-picking, and
baked fake shading. Windows/Linux targets; JavaFX 3D path removed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllRoomsNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.AbstractRoom;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-import java.util.List;
-
-public class AllRoomsNode extends Renderable{
-
-    private final List<? extends AbstractRoom> rooms;
-
-    public AllRoomsNode(List<? extends AbstractRoom> rooms) {
-        this.rooms = rooms;
-    }
-
-    @Override
-    public String getText() {
-        return "Building Rooms";
-    }
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.clearCurrentRender();
-    }
-
-    @Override
-    public void refreshTextColor() {
-        boolean wasChecked = false;
-        for (AbstractRoom ar : rooms) {
-            if (ar.isValidated()) {
-                wasChecked = true;
-                if (ar.containsAnyError()) {
-                    setStatus(CheckStatus.ERROR);
-                    return;
-                }
-            }
-        }
-        if (wasChecked) {
-            setStatus(CheckStatus.OK);
-        } else {
-            setStatus(CheckStatus.NOT_CHECKED);
-        }
-    }
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllStoreysNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.Storey;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-import java.util.List;
-
-public class AllStoreysNode extends Renderable{
-
-    private final List<Storey> storeys;
-
-    public AllStoreysNode(List<Storey> storeys) {
-        this.storeys = storeys;
-    }
-
-    @Override
-    public String getText() {
-        return "Building Storeys";
-    }
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.clearCurrentRender();
-    }
-
-    @Override
-    public void refreshTextColor() {
-        boolean wasChecked = false;
-        for (Storey storey : storeys) {
-            if (storey.isValidated()) {
-                wasChecked = true;
-                if (storey.containsAnyError()) {
-                    setStatus(CheckStatus.ERROR);
-                    return;
-                }
-            }
-        }
-        if (wasChecked) {
-            setStatus(CheckStatus.OK);
-        } else {
-            setStatus(CheckStatus.NOT_CHECKED);
-        }
-    }
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllTerrainNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import java.util.List;
-
-import de.hft.stuttgart.citydoctor2.datastructure.CityObject;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class AllTerrainNode extends Renderable {
-	
-	private final List<CityObject> land;
-	
-	public AllTerrainNode(List<CityObject> land) {
-		this.land = land;
-	}
-
-	@Override
-	public void refreshTextColor() {
-		// no use
-	}
-
-	@Override
-	public String getText() {
-		return "Terrain";
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.renderTerrain(land);
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllTinNode.java

-/*-
- *  Copyright 2022 Beuth Hochschule für Technik Berlin, Hochschule für Technik Stuttgart
- * 
- *  This file is part of CityDoctor2.
- *
- *  CityDoctor2 is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Lesser General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  CityDoctor2 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 Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public License
- *  along with CityDoctor2.  If not, see <https://www.gnu.org/licenses/>.
- */
-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import java.util.List;
-
-import de.hft.stuttgart.citydoctor2.datastructure.TinObject;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class AllTinNode extends Renderable {
-
-	public AllTinNode(List<TinObject> components) {}
-
-	@Override
-	public void refreshTextColor() {}
-
-	@Override
-	public String getText() {
-		return "Components";
-	}
-
-	@Override
-	public void visit(Renderer renderer) {}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllTransportationNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import java.util.List;
-
-import de.hft.stuttgart.citydoctor2.datastructure.TransportationObject;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class AllTransportationNode extends Renderable {
-	
-	private final List<TransportationObject> transportation;
-	
-	public AllTransportationNode(List<TransportationObject> transportation) {
-		this.transportation = transportation;
-	}
-
-	@Override
-	public void refreshTextColor() {
-		// no use
-	}
-
-	@Override
-	public String getText() {
-		return "Transportation";
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.renderTransportation(transportation);
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllTunnelPartsNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.TunnelPart;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-import java.util.List;
-
-public class AllTunnelPartsNode extends Renderable{
-
-    private final List<TunnelPart> tunnelParts;
-
-    public AllTunnelPartsNode(List<TunnelPart> tunnelParts) {
-        this.tunnelParts = tunnelParts;
-    }
-
-    @Override
-    public String getText() {
-        return "Tunnel Parts";
-    }
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.clearCurrentRender();
-    }
-
-    @Override
-    public void refreshTextColor() {
-        boolean wasChecked = false;
-        for (TunnelPart tp : tunnelParts) {
-            if (tp.isValidated()) {
-                wasChecked = true;
-                if (tp.containsAnyError()) {
-                    setStatus(CheckStatus.ERROR);
-                    return;
-                }
-            }
-        }
-        if (wasChecked) {
-            setStatus(CheckStatus.OK);
-        } else {
-            setStatus(CheckStatus.NOT_CHECKED);
-        }
-    }
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllTunnelsNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.Tunnel;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-import java.util.List;
-
-public class AllTunnelsNode extends Renderable{
-
-    private final List<Tunnel> tunnels;
-
-    public AllTunnelsNode(List<Tunnel> tunnels) {
-        this.tunnels = tunnels;
-    }
-
-    @Override
-    public void refreshTextColor() {
-        // no color changes
-    }
-
-    @Override
-    public String getText() {
-        return "Tunnels";
-    }
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.renderTunnels(tunnels);
-    }
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllVegetationNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import java.util.List;
-
-import de.hft.stuttgart.citydoctor2.datastructure.Vegetation;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class AllVegetationNode extends Renderable {
-	
-	private final List<Vegetation> vegetation;
-	
-	public AllVegetationNode(List<Vegetation> vegetation) {
-		this.vegetation = vegetation;
-	}
-
-	@Override
-	public void refreshTextColor() {
-		// no use
-	}
-
-	@Override
-	public String getText() {
-		return "Vegetation";
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.renderVegetation(vegetation);
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/AllWaterNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import java.util.List;
-
-import de.hft.stuttgart.citydoctor2.datastructure.WaterObject;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class AllWaterNode extends Renderable {
-	
-	private final List<WaterObject> water;
-	
-	public AllWaterNode(List<WaterObject> water) {
-		this.water = water;
-	}
-
-	@Override
-	public void refreshTextColor() {
-		// no use
-	}
-
-	@Override
-	public String getText() {
-		return "Water";
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.renderWater(water);
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/BoundarySurfaceNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.BoundarySurface;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class BoundarySurfaceNode extends Renderable {
-
-	private final BoundarySurface bs;
-
-	public BoundarySurfaceNode(BoundarySurface bs) {
-		this.bs = bs;
-	}
-
-	@Override
-	public String getText() {
-		return bs.getGmlId().getGmlString() + " [" + bs.getType() + "]";
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.render(bs);
-	}
-
-	@Override
-	public void refreshTextColor() {
-		if (!bs.isValidated()) {
-			setStatus(CheckStatus.NOT_CHECKED);
-		} else if (bs.containsAnyError()) {
-			setStatus(CheckStatus.ERROR);
-		} else {
-			setStatus(CheckStatus.OK);
-		}
-	}
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/BridgeConstructiveElementNode.java

-/*-
- *  Copyright 2023 Beuth Hochschule für Technik Berlin, Hochschule für Technik Stuttgart
- * 
- *  This file is part of CityDoctor2.
- *
- *  CityDoctor2 is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Lesser General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  CityDoctor2 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 Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public License
- *  along with CityDoctor2.  If not, see <https://www.gnu.org/licenses/>.
- */
-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.BridgeConstructiveElement;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class BridgeConstructiveElementNode extends Renderable {
-	
-	private final BridgeConstructiveElement bce;
-
-	public BridgeConstructiveElementNode(BridgeConstructiveElement bce) {
-		this.bce = bce;
-	}
-
-	@Override
-	public String getText() {
-		return bce.getGmlId().getGmlString();
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.render(bce);
-	}
-
-	@Override
-	public void refreshTextColor() {
-		if (!bce.isValidated()) {
-			setStatus(CheckStatus.NOT_CHECKED);
-		} else if (bce.containsAnyError()) {
-			setStatus(CheckStatus.ERROR);
-		} else {
-			setStatus(CheckStatus.OK);
-		}
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/BridgeNode.java

-/*-
- *  Copyright 2022 Beuth Hochschule für Technik Berlin, Hochschule für Technik Stuttgart
- * 
- *  This file is part of CityDoctor2.
- *
- *  CityDoctor2 is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Lesser General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  CityDoctor2 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 Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public License
- *  along with CityDoctor2.  If not, see <https://www.gnu.org/licenses/>.
- */
-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.BridgeObject;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class BridgeNode extends Renderable {
-	
-	private final BridgeObject bridge;
-
-	public BridgeNode(BridgeObject bridge) {
-		this.bridge = bridge;
-	}
-
-	@Override
-	public String getText() {
-		return bridge.getGmlId().getGmlString();
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.render(bridge);
-	}
-
-	@Override
-	public void refreshTextColor() {
-		if (!bridge.isValidated()) {
-			setStatus(CheckStatus.NOT_CHECKED);
-		} else if (bridge.containsAnyError()) {
-			setStatus(CheckStatus.ERROR);
-		} else {
-			setStatus(CheckStatus.OK);
-		}
-	}
-
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/BuildingNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.Building;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class BuildingNode extends Renderable {
-
-	private final Building building;
-
-	public BuildingNode(Building building) {
-		this.building = building;
-	}
-
-	@Override
-	public String getText() {
-		return building.getGmlId().getGmlString();
-	}
-	
-	public Building getBuilding() {
-		return building;
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.render(building);
-	}
-
-	@Override
-	public void refreshTextColor() {
-		if (!building.isValidated()) {
-			setStatus(CheckStatus.NOT_CHECKED);
-		} else if (building.containsAnyError()) {
-			setStatus(CheckStatus.ERROR);
-		} else {
-			setStatus(CheckStatus.OK);
-		}
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/BuildingPartNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.BuildingPart;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class BuildingPartNode extends Renderable {
-
-	private final BuildingPart bp;
-
-	public BuildingPartNode(BuildingPart bp) {
-		this.bp = bp;
-	}
-
-	@Override
-	public String getText() {
-		return bp.getGmlId().getGmlString();
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.render(bp);
-	}
-
-	@Override
-	public void refreshTextColor() {
-		if (!bp.isValidated()) {
-			setStatus(CheckStatus.NOT_CHECKED);
-		} else if (bp.containsAnyError()) {
-			setStatus(CheckStatus.ERROR);
-		} else {
-			setStatus(CheckStatus.OK);
-		}
-	}
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/BuildingUnitNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.BuildingUnit;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class BuildingUnitNode extends Renderable{
-
-    private final BuildingUnit buildingUnit;
-
-    public BuildingUnitNode(BuildingUnit buildingUnit) {
-        this.buildingUnit = buildingUnit;
-    }
-
-    @Override
-    public String getText() {
-        return buildingUnit.getGmlId().getGmlString();
-    }
-
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.render(buildingUnit);
-    }
-
-    @Override
-    public void refreshTextColor() {
-        if (!buildingUnit.isValidated()) {
-            setStatus(CheckStatus.NOT_CHECKED);
-        } else if (buildingUnit.containsAnyError()) {
-            setStatus(CheckStatus.ERROR);
-        } else {
-            setStatus(CheckStatus.OK);
-        }
-    }
-
-
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/CityFurnitureNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.CityFurniture;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class CityFurnitureNode extends Renderable{
-
-    private final CityFurniture cityFurniture;
-
-    public CityFurnitureNode(CityFurniture cityFurniture) {
-        this.cityFurniture = cityFurniture;
-    }
-
-    @Override
-    public String getText() {
-        return cityFurniture.getGmlId().getGmlString();
-    }
-
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.render(cityFurniture);
-    }
-
-    @Override
-    public void refreshTextColor() {
-        if (!cityFurniture.isValidated()) {
-            setStatus(CheckStatus.NOT_CHECKED);
-        } else if (cityFurniture.containsAnyError()) {
-            setStatus(CheckStatus.ERROR);
-        } else {
-            setStatus(CheckStatus.OK);
-        }
-    }
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/ErrorItemVisitor.java

@@ -2,13 +2,14 @@ package de.hft.stuttgart.citydoctor2.gui.tree;
 
 import java.util.List;
 
+import de.hft.stuttgart.citydoctor2.check.AbstractErrorVisitor;
 import de.hft.stuttgart.citydoctor2.check.CheckError;
-import de.hft.stuttgart.citydoctor2.check.ErrorVisitor;
 import de.hft.stuttgart.citydoctor2.check.error.AllPolygonsWrongOrientationError;
 import de.hft.stuttgart.citydoctor2.check.error.AttributeInvalidError;
 import de.hft.stuttgart.citydoctor2.check.error.AttributeMissingError;
 import de.hft.stuttgart.citydoctor2.check.error.AttributeValueWrongError;
 import de.hft.stuttgart.citydoctor2.check.error.ConsecutivePointSameError;
+import de.hft.stuttgart.citydoctor2.check.error.DegeneratedRingError;
 import de.hft.stuttgart.citydoctor2.check.error.DependenciesNotMetError;
 import de.hft.stuttgart.citydoctor2.check.error.MultipleConnectedComponentsError;
 import de.hft.stuttgart.citydoctor2.check.error.NestedRingError;
@@ -35,8 +36,7 @@ import de.hft.stuttgart.citydoctor2.check.error.RingTooFewPointsError;
 import de.hft.stuttgart.citydoctor2.check.error.SchematronError;
 import de.hft.stuttgart.citydoctor2.check.error.SolidNotClosedError;
 import de.hft.stuttgart.citydoctor2.check.error.SolidSelfIntError;
-import de.hft.stuttgart.citydoctor2.check.error.SurfaceUnfragmentedError;
-import de.hft.stuttgart.citydoctor2.check.error.DegeneratedRingError;
+import de.hft.stuttgart.citydoctor2.check.error.SurfaceFragmentedError;
 import de.hft.stuttgart.citydoctor2.check.error.TooFewPolygonsError;
 import de.hft.stuttgart.citydoctor2.check.error.UnknownCheckError;
 import de.hft.stuttgart.citydoctor2.datastructure.ConcretePolygon;
@@ -46,13 +46,18 @@ import de.hft.stuttgart.citydoctor2.datastructure.LinearRing.LinearRingType;
 import de.hft.stuttgart.citydoctor2.datastructure.Polygon;
 import de.hft.stuttgart.citydoctor2.datastructure.Vertex;
 import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
+import de.hft.stuttgart.citydoctor2.gui.tree.node.EdgeNode;
+import de.hft.stuttgart.citydoctor2.gui.tree.node.LinearRingNode;
+import de.hft.stuttgart.citydoctor2.gui.tree.node.PolygonNode;
+import de.hft.stuttgart.citydoctor2.gui.tree.node.TextNode;
+import de.hft.stuttgart.citydoctor2.gui.tree.node.VertexNode;
 import de.hft.stuttgart.citydoctor2.math.Triangle3d;
 import de.hft.stuttgart.citydoctor2.utils.Localization;
 import de.hft.stuttgart.citydoctor2.utils.PolygonIntersection;
 import de.hft.stuttgart.citydoctor2.utils.PolygonIntersection.IntersectionType;
 import javafx.scene.control.TreeItem;
 
-public class ErrorItemVisitor implements ErrorVisitor {
+public class ErrorItemVisitor extends AbstractErrorVisitor {
 
 	private static String nameOfAttribute = Localization.getText("ErrorItemVisitor.nameOfAttribute") + ": ";
 	private static String childId = Localization.getText("ErrorItemVisitor.childId") + ": ";
@@ -391,7 +396,7 @@ public class ErrorItemVisitor implements ErrorVisitor {
 	}
 
 	@Override
-	public void visit(SurfaceUnfragmentedError err) {
+	public void visit(SurfaceFragmentedError err) {
 		TextNode textNode = new TextNode(
 				Localization.getText("ErrorItemVisitor.deviation") + ": " + err.getAngleDeviation());
 		TreeItem<Renderable> textItem = new TreeItem<>(textNode);

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/FurnitureNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.AbstractFurniture;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class FurnitureNode extends Renderable{
-
-    private final AbstractFurniture furniture;
-
-    public FurnitureNode(AbstractFurniture furniture) {
-        this.furniture = furniture;
-    }
-
-    @Override
-    public String getText() {
-        return furniture.getGmlId().getGmlString();
-    }
-
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.render(furniture);
-    }
-
-    @Override
-    public void refreshTextColor() {
-        if (!furniture.isValidated()) {
-            setStatus(CheckStatus.NOT_CHECKED);
-        } else if (furniture.containsAnyError()) {
-            setStatus(CheckStatus.ERROR);
-        } else {
-            setStatus(CheckStatus.OK);
-        }
-    }
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/GenericCityObjectsNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.GenericCityObject;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class GenericCityObjectsNode extends Renderable{
-
-    private final GenericCityObject gcobject;
-
-    public GenericCityObjectsNode(GenericCityObject gcobject) {
-        this.gcobject = gcobject;
-    }
-
-    @Override
-    public String getText() {
-        return gcobject.getGmlId().getGmlString();
-    }
-
-
-    @Override
-    public void visit(Renderer renderer) {
-        renderer.render(gcobject);
-    }
-
-    @Override
-    public void refreshTextColor() {
-        if (!gcobject.isValidated()) {
-            setStatus(CheckStatus.NOT_CHECKED);
-        } else if (gcobject.containsAnyError()) {
-            setStatus(CheckStatus.ERROR);
-        } else {
-            setStatus(CheckStatus.OK);
-        }
-    }
-}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/InstallationNode.java

-package de.hft.stuttgart.citydoctor2.gui.tree;
-
-import de.hft.stuttgart.citydoctor2.datastructure.Installation;
-import de.hft.stuttgart.citydoctor2.gui.CheckStatus;
-import de.hft.stuttgart.citydoctor2.gui.Renderer;
-
-public class InstallationNode extends Renderable {
-
-	private final Installation bi;
-
-	public InstallationNode(Installation bi) {
-		this.bi = bi;
-	}
-
-	@Override
-	public String getText() {
-		return bi.getGmlId().getGmlString();
-	}
-
-	@Override
-	public void visit(Renderer renderer) {
-		renderer.render(bi);
-	}
-
-	@Override
-	public void refreshTextColor() {
-		if (!bi.isValidated()) {
-			setStatus(CheckStatus.NOT_CHECKED);
-		} else if (bi.containsAnyError()) {
-			setStatus(CheckStatus.ERROR);
-		} else {
-			setStatus(CheckStatus.OK);
-		}
-	}
-}
\ No newline at end of file