diff --git a/map/btucscampus.qgs b/map/btucscampus.qgs
index 8352902..f5bfef5 100644
--- a/map/btucscampus.qgs
+++ b/map/btucscampus.qgs
@@ -4,10 +4,10 @@
     <mapcanvas>
         <units>degrees</units>
         <extent>
-            <xmin>14.248768</xmin>
-            <ymin>51.731125</ymin>
-            <xmax>14.392448</xmax>
-            <ymax>51.803706</ymax>
+            <xmin>14.316723</xmin>
+            <ymin>51.722574</ymin>
+            <xmax>14.321604</xmax>
+            <ymax>51.730135</ymax>
         </extent>
         <projections>0</projections>
         <destinationsrs>
@@ -220,17 +220,6 @@
                 <alias field="shortName" index="4" name=""/>
             </aliases>
             <attributeactions/>
-            <overlay display="false" type="diagram">
-                <renderer item_interpretation="linear">
-                    <diagramitem size="0" value="0"/>
-                    <diagramitem size="0" value="0"/>
-                </renderer>
-                <factory sizeUnits="MM" type="Pie">
-                    <wellknownname>Pie</wellknownname>
-                    <classificationfield>0</classificationfield>
-                </factory>
-                <scalingAttribute>0</scalingAttribute>
-            </overlay>
         </maplayer>
         <maplayer minimumScale="0" maximumScale="1e+08" geometry="Line" type="vector" hasScaleBasedVisibilityFlag="0">
             <id>campus_cottbus_mitte_strassen20130709115740721</id>
@@ -374,17 +363,6 @@
                 <alias field="shortName" index="4" name=""/>
             </aliases>
             <attributeactions/>
-            <overlay display="false" type="diagram">
-                <renderer item_interpretation="linear">
-                    <diagramitem size="0" value="0"/>
-                    <diagramitem size="0" value="0"/>
-                </renderer>
-                <factory sizeUnits="MM" type="Pie">
-                    <wellknownname>Pie</wellknownname>
-                    <classificationfield>0</classificationfield>
-                </factory>
-                <scalingAttribute>0</scalingAttribute>
-            </overlay>
         </maplayer>
         <maplayer minimumScale="0" maximumScale="1e+08" geometry="Line" type="vector" hasScaleBasedVisibilityFlag="0">
             <id>campus_cottbus_nord_strassen20130709130942093</id>
@@ -660,17 +638,6 @@
                 <alias field="shortName" index="4" name=""/>
             </aliases>
             <attributeactions/>
-            <overlay display="false" type="diagram">
-                <renderer item_interpretation="linear">
-                    <diagramitem size="0" value="0"/>
-                    <diagramitem size="0" value="0"/>
-                </renderer>
-                <factory sizeUnits="MM" type="Pie">
-                    <wellknownname>Pie</wellknownname>
-                    <classificationfield>0</classificationfield>
-                </factory>
-                <scalingAttribute>0</scalingAttribute>
-            </overlay>
         </maplayer>
         <maplayer minimumScale="0" maximumScale="1e+08" geometry="Line" type="vector" hasScaleBasedVisibilityFlag="0">
             <id>campus_senftenberg_strassen20130709121948701</id>
@@ -814,17 +781,6 @@
                 <alias field="shortName" index="4" name=""/>
             </aliases>
             <attributeactions/>
-            <overlay display="false" type="diagram">
-                <renderer item_interpretation="linear">
-                    <diagramitem size="0" value="0"/>
-                    <diagramitem size="0" value="0"/>
-                </renderer>
-                <factory sizeUnits="MM" type="Pie">
-                    <wellknownname>Pie</wellknownname>
-                    <classificationfield>0</classificationfield>
-                </factory>
-                <scalingAttribute>0</scalingAttribute>
-            </overlay>
         </maplayer>
         <maplayer minimumScale="0" maximumScale="1e+08" geometry="Line" type="vector" hasScaleBasedVisibilityFlag="0">
             <id>roads20130724135342476</id>
diff --git a/map/campus-cottbus-mitte-gebäude.dbf b/map/campus-cottbus-mitte-gebäude.dbf
index 1720b02..f93f9b4 100644
Binary files a/map/campus-cottbus-mitte-gebäude.dbf and b/map/campus-cottbus-mitte-gebäude.dbf differ
diff --git a/map/campus-cottbus-nord-gebäude.dbf b/map/campus-cottbus-nord-gebäude.dbf
index f2297f5..ae57653 100644
Binary files a/map/campus-cottbus-nord-gebäude.dbf and b/map/campus-cottbus-nord-gebäude.dbf differ
diff --git a/map/campus-cottbus-süd-gebäude.dbf b/map/campus-cottbus-süd-gebäude.dbf
index 89c5c13..8884f27 100644
Binary files a/map/campus-cottbus-süd-gebäude.dbf and b/map/campus-cottbus-süd-gebäude.dbf differ
diff --git a/map/campus-senftenberg-gebäude.dbf b/map/campus-senftenberg-gebäude.dbf
index cc7c216..43b0be1 100644
Binary files a/map/campus-senftenberg-gebäude.dbf and b/map/campus-senftenberg-gebäude.dbf differ
diff --git a/map/campuse.dbf b/map/campuse.dbf
index 7f1e7fb..4c33a47 100644
Binary files a/map/campuse.dbf and b/map/campuse.dbf differ