diff --git a/web/content/images/xsd/OpenGeoSysCND.xsd b/web/content/images/xsd/OpenGeoSysCND.xsd
deleted file mode 100644
index 07874661b214d165c97b23865e1d563f0907c05c..0000000000000000000000000000000000000000
--- a/web/content/images/xsd/OpenGeoSysCND.xsd
+++ /dev/null
@@ -1,98 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
-<!-- OpenGeoSysCond schema; initial implementation: Karsten Rink -->
-
-  <!-- definition of "CondType" -->
-  <xs:complexType name="CondType">
-    <xs:sequence>
-      <xs:element name="Process" maxOccurs="1">
-        <xs:complexType>
-          <xs:all>
-            <xs:element name="Type" type="xs:string" maxOccurs="1" />
-            <xs:element name="Variable" type="xs:string" maxOccurs="1" />
-          </xs:all>
-        </xs:complexType>
-      </xs:element>
-      <xs:element name="Geometry" minOccurs="0" maxOccurs="1">   <!-- is optional because DIRECT conditions don't relate to geometry -->
-        <xs:complexType>
-          <xs:all>
-            <xs:element name="Type" maxOccurs="1" >
-              <xs:simpleType>
-            <xs:restriction base="xs:string">
-              <xs:enumeration value="POINT"/>
-              <xs:enumeration value="POLYLINE"/>
-              <xs:enumeration value="SURFACE"/>
-              <xs:enumeration value="VOLUME"/>
-              <xs:enumeration value="DOMAIN"/>
-              <xs:enumeration value="INVALID"/>
-            </xs:restriction>
-              </xs:simpleType>
-            </xs:element>
-            <xs:element name="Name" type="xs:string" maxOccurs="1" />
-          </xs:all>
-        </xs:complexType>
-      </xs:element>
-      <xs:element name="Distribution" maxOccurs="1">
-        <xs:complexType>
-          <xs:all>
-            <xs:element name="Type" type="xs:string" maxOccurs="1" />
-            <xs:element name="Value" maxOccurs="1" />
-          </xs:all>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-    <xs:attribute name="geometry" type="xs:string" use="required" />
-  </xs:complexType>
-
-
-  <!-- definition of "extCondType" as an extension of "CondType" -->
-  <xs:complexType name="extCondType">
-    <xs:complexContent>
-      <xs:extension base="CondType">
-        <xs:sequence>
-          <xs:element name="FunctionType" type="xs:string"  minOccurs="0" maxOccurs="1"/>     <!-- is optional -->
-          <xs:element name="TimeType" type="xs:nonNegativeInteger" minOccurs="0" maxOccurs="1"/> <!-- is optional -->
-        </xs:sequence>
-      </xs:extension>
-    </xs:complexContent>
-  </xs:complexType>
-
-
-  <!-- definition of file content -->
-  <xs:element name="OpenGeoSysCond">
-    <xs:complexType>
-      <xs:sequence>
-    <xs:element name="name" type="xs:string" minOccurs="0" maxOccurs="1" />
-
-        <!-- definition of initial conditions -->
-    <xs:element name="InitialConditions" minOccurs="0" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="IC" type="CondType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of boundary conditions -->
-        <xs:element name="BoundaryConditions" minOccurs="0" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="BC" type="extCondType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of source terms -->
-        <xs:element name="SourceTerms" minOccurs="0" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="ST" type="extCondType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-
-</xs:schema>
diff --git a/web/content/images/xsd/OpenGeoSysGLI.xsd b/web/content/images/xsd/OpenGeoSysGLI.xsd
deleted file mode 100644
index ed8b0100a9640f7dd32a18d6919fa44474ed1eef..0000000000000000000000000000000000000000
--- a/web/content/images/xsd/OpenGeoSysGLI.xsd
+++ /dev/null
@@ -1,96 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
-<!-- OpenGeoSysGLI schema; initial implementation: Karsten Rink -->
-
-
-  <!-- definition of points -->
-  <xs:complexType name="pointType">
-    <xs:attribute name="id" type="xs:nonNegativeInteger" use="required" />
-    <xs:attribute name="x" type="xs:decimal" use="required" />
-    <xs:attribute name="y" type="xs:decimal" use="required" />
-    <xs:attribute name="z" type="xs:decimal" use="required" />
-    <xs:attribute name="name" type="xs:string" />
-  </xs:complexType>
-
-
-  <!-- definition of polylines -->
-  <xs:complexType name="plyType">
-    <xs:sequence>
-      <xs:element name="pnt" type="xs:nonNegativeInteger" maxOccurs="unbounded" />
-    </xs:sequence>
-    <xs:attribute name="id" type="xs:nonNegativeInteger" use="required" />
-    <xs:attribute name="name" type="xs:string" />
-  </xs:complexType>
-
-
-  <!-- definition of surfaces -->
-  <xs:complexType name="surfaceType">
-    <xs:sequence>
-      <xs:element name="element" maxOccurs="unbounded">
-        <xs:complexType>
-          <xs:attribute name="p1" type="xs:nonNegativeInteger" use="required" />
-          <xs:attribute name="p2" type="xs:nonNegativeInteger" use="required" />
-          <xs:attribute name="p3" type="xs:nonNegativeInteger" use="required"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-    <xs:attribute name="id" type="xs:nonNegativeInteger" use="required" />
-    <xs:attribute name="name" type="xs:string" />
-  </xs:complexType>
-
-  <!-- definition of volumes -->
-  <xs:complexType name="volumeType">
-    <xs:sequence>
-      <xs:element name="sfc" type="xs:nonNegativeInteger" maxOccurs="unbounded" />
-    </xs:sequence>
-    <xs:attribute name="id" type="xs:nonNegativeInteger" use="required" />
-    <xs:attribute name="name" type="xs:string" />
-  </xs:complexType>
-
-  <!-- definition of file content -->
-  <xs:element name="OpenGeoSysGLI">
-    <xs:complexType>
-      <xs:sequence>
-    <xs:element name="name" type="xs:string" maxOccurs="1" />
-
-        <!-- definition of points -->
-    <xs:element name="points" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="point" type="pointType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of polylines -->
-        <xs:element name="polylines" minOccurs="0" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="polyline" type="plyType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of surfaces -->
-        <xs:element name="surfaces" minOccurs="0" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="surface" type="surfaceType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of volumes -->
-        <xs:element name="volumes" minOccurs="0" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="volume" type="volumeType" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-
-</xs:schema>
diff --git a/web/content/images/xsd/OpenGeoSysNum.xsd b/web/content/images/xsd/OpenGeoSysNum.xsd
deleted file mode 100644
index befbf098924bffadd5898d024686bd5f8cfc9a92..0000000000000000000000000000000000000000
--- a/web/content/images/xsd/OpenGeoSysNum.xsd
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
-<!-- OpenGeoSysNum schema; initial implementation: Karsten Rink -->
-
-  <xs:simpleType name="LibraryType">
-    <xs:restriction base="xs:string">
-      <xs:enumeration value="LIS" />
-      <xs:enumeration value="PETSc" />
-    </xs:restriction>
-  </xs:simpleType>
-
-  <xs:simpleType name="NonLinearType">
-    <xs:restriction base="xs:string">
-      <xs:enumeration value="Newton" />
-      <xs:enumeration value="Picard" />
-    </xs:restriction>
-  </xs:simpleType>
-
-  <!-- definition of file content -->
-  <xs:element name="OGSNonlinearSolverSetup">
-    <xs:complexType>
-      <xs:sequence>
-
-        <!-- definition of non-linear solver -->
-        <xs:element name="Type" type="NonLinearType" maxOccurs="1" />
-
-        <!-- definition of linear solver -->
-    <xs:element name="LinearSolver" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="Type" type="xs:string" maxOccurs="1" />
-              <xs:element name="Preconditioner" type="xs:string" minOccurs="0" maxOccurs="1" />
-              <!-- add more parameters here -->
-            </xs:sequence>
-            <xs:attribute name="Library" type="LibraryType" use="required" />
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of temporal discretization -->
-        <xs:element name="IterationScheme" maxOccurs="1">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="MaxIterations" type="xs:nonNegativeInteger" minOccurs="0" maxOccurs="1" />
-              <xs:element name="FixedStepSize" type="xs:double" minOccurs="0" maxOccurs="1" />
-              <!-- add more parameters here -->
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-        <!-- definition of convergence criteria -->
-        <xs:element name="Convergence" minOccurs="0" maxOccurs="1">
-      <xs:complexType>
-            <xs:sequence>
-              <xs:element name="Method" type="xs:string" minOccurs="0" maxOccurs="1" />
-              <xs:element name="ErrorThreshold" type="xs:double" minOccurs="0" maxOccurs="1" />
-              <!-- add more parameters here -->
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-
-</xs:schema>
diff --git a/web/content/images/xsd/OpenGeoSysProject.xsd b/web/content/images/xsd/OpenGeoSysProject.xsd
deleted file mode 100644
index 0eefb0c17c0d931351d8999e0f85e4353f6623e0..0000000000000000000000000000000000000000
--- a/web/content/images/xsd/OpenGeoSysProject.xsd
+++ /dev/null
@@ -1,111 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
-
-  <!-- OpenGeoSysProject schema; initial implementation: Karsten Rink, 2010-08-20 -->
-  <xs:element name="name" type="xs:string" />
-
-  <!-- definition of processes -->
-  <xs:complexType name="processType">
-    <xs:sequence>
-      <xs:element ref="name" minOccurs="1" maxOccurs="1" />
-      <xs:element name="type" type="xs:string" minOccurs="1" maxOccurs="1" />
-      <xs:element name="integration_order" minOccurs="1" maxOccurs="1" />
-      <xs:element name="process_variables" minOccurs="1" maxOccurs="1" />
-      <xs:element name="secondary_variables" minOccurs="0" maxOccurs="1" />
-    </xs:sequence>
-  </xs:complexType>
-
-  <xs:complexType name="parameterType">
-    <xs:sequence>
-      <xs:element ref="name"  minOccurs="1" maxOccurs="1" />
-      <xs:element name="type" type="xs:string" minOccurs="1" maxOccurs="1" />
-      <xs:element name="value" minOccurs="0" maxOccurs="1" />
-      <xs:element name="field_name" type="xs:string" minOccurs="0" maxOccurs="1" />
-    </xs:sequence>
-  </xs:complexType>
-
-  <xs:complexType name="conditionType">
-    <xs:sequence>
-      <xs:element name="geometrical_set" type="xs:string" minOccurs="0" />
-      <xs:element name="geometry" type="xs:string" minOccurs="0" />
-      <xs:element name="type" type="xs:string" />
-      <xs:element name="field_name" type="xs:string" minOccurs="0" />
-      <xs:element name="mesh" type="xs:string" minOccurs="0" />
-      <xs:element name="parameter" type="xs:string" minOccurs="0" />
-    </xs:sequence>
-  </xs:complexType>
-
-  <xs:complexType name="bcListType">
-    <xs:sequence>
-      <xs:element name="boundary_condition" type="conditionType" minOccurs="1" maxOccurs="unbounded" />
-    </xs:sequence>
-  </xs:complexType>
-
-  <xs:complexType name="stListType">
-    <xs:sequence>
-      <xs:element name="source_term" type="conditionType" minOccurs="1" maxOccurs="unbounded" />
-    </xs:sequence>
-  </xs:complexType>
-
-  <xs:complexType name="pvariableType">
-    <xs:sequence>
-      <xs:element ref="name"/>
-      <xs:element name="components" minOccurs="1" maxOccurs="1">
-        <xs:simpleType>
-          <xs:restriction base="xs:nonNegativeInteger">
-            <xs:minInclusive value="1"/>
-            <xs:maxInclusive value="3"/>
-          </xs:restriction>
-        </xs:simpleType>
-      </xs:element>
-      <xs:element name="order" minOccurs="1" maxOccurs="1">
-        <xs:simpleType>
-          <xs:restriction base="xs:nonNegativeInteger">
-            <xs:minInclusive value="1"/>
-            <xs:maxInclusive value="2"/>
-          </xs:restriction>
-        </xs:simpleType>
-      </xs:element>
-      <xs:element name="initial_condition" type="xs:string" minOccurs="0" maxOccurs="1" />
-      <xs:element name="boundary_conditions" type="bcListType" minOccurs="0" maxOccurs="1" />
-      <xs:element name="source_terms" type="stListType" minOccurs="0" maxOccurs="1" />
-    </xs:sequence>
-  </xs:complexType>
-
-  <!-- definition of file content -->
-  <xs:element name="OpenGeoSysProject">
-    <xs:complexType>
-      <xs:sequence>
-        <xs:element name="mesh" minOccurs="0">
-          <xs:complexType>
-            <xs:simpleContent>
-              <xs:extension base="xs:string">
-                <xs:attribute name="axially_symmetric" type="xs:boolean"/>
-              </xs:extension>
-            </xs:simpleContent>
-          </xs:complexType>
-        </xs:element>
-        <xs:element name="geometry" type="xs:string" minOccurs="0"/>
-        <xs:element name="processes" minOccurs="0"/> <!--ignore-->
-        <xs:element name="time_loop" minOccurs="0"/> <!--ignore-->
-        <xs:element name="parameters" minOccurs="0">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="parameter" type="parameterType" minOccurs="1" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-        <xs:element name="process_variables" minOccurs="0">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element name="process_variable" type="pvariableType" minOccurs="1" maxOccurs="unbounded" />
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-        <xs:element name="nonlinear_solvers" minOccurs="0"/> <!--ignore-->
-        <xs:element name="linear_solvers" minOccurs="0"/> <!--ignore-->
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-
-</xs:schema>
diff --git a/web/content/images/xsd/OpenGeoSysSTN.xsd b/web/content/images/xsd/OpenGeoSysSTN.xsd
deleted file mode 100644
index b07101ccf429eae09bcde70981dbcb12830dabf7..0000000000000000000000000000000000000000
--- a/web/content/images/xsd/OpenGeoSysSTN.xsd
+++ /dev/null
@@ -1,115 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
-
-  <!-- OpenGeoSysSTN schema; initial implementation: Karsten Rink, 2010-07-19 -->
-
-
-  <!-- element definition -->
-  <xs:element name="name" type="xs:string" />
-  <xs:element name="value" type="xs:decimal" />
-
-  <!-- attribute definition -->
-  <xs:attribute name="id" type="xs:nonNegativeInteger" />
-  <xs:attribute name="x"  type="xs:decimal" />
-  <xs:attribute name="y"  type="xs:decimal" />
-  <xs:attribute name="z"  type="xs:decimal" />
-
-
-  <!-- definition of "station" -->
-  <xs:complexType name="stationType">
-    <xs:sequence>
-      <xs:element ref="name" />
-      <xs:element ref="value"  minOccurs="0" />                <!-- value is optional -->
-      <xs:element name="sensordata" minOccurs="0" />            <!-- time series data (optional) -->
-      <!-- other station features can be inserted here -->
-    </xs:sequence>
-    <xs:attribute ref="id" use="required" />
-    <xs:attribute ref="x"  use="required" />
-    <xs:attribute ref="y"  use="required" />
-    <xs:attribute ref="z" />
-  </xs:complexType>
-
-
-  <!-- definition of "borehole" as an extension of "station" -->
-  <xs:complexType name="boreholeType">
-    <xs:complexContent>
-      <xs:extension base="stationType">
-        <xs:sequence>
-          <xs:element name="bdepth" type="xs:decimal" />
-          <xs:element name="bdate" type="xs:date" minOccurs="0" />    <!-- date is optional -->
-          <xs:element name="strat" type="stratType" minOccurs="0" />    <!-- stratigraphy is optional, e.g. wells have none -->
-          <!-- other borehole features can be inserted here -->
-        </xs:sequence>
-      </xs:extension>
-    </xs:complexContent>
-  </xs:complexType>
-
-
-  <!-- definition of stratigraphie -->
-  <xs:complexType name="stratType">
-    <xs:sequence>
-      <xs:element name="horizon" maxOccurs="unbounded">
-        <xs:complexType>
-          <xs:all>
-            <xs:element ref="name" />
-            <!-- other horizon features can be inserted here -->
-          </xs:all>
-          <xs:attribute ref="id" use="required" />
-          <xs:attribute ref="x"  use="required" />
-          <xs:attribute ref="y"  use="required" />
-          <xs:attribute ref="z"  use="required" />
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:complexType>
-
-
-  <!-- makes sure that a stationlist contains EITHER "stations" OR "boreholes" -->
-  <xs:group name="stationSelection">
-    <xs:choice>
-
-      <!-- case 1: list of stations -->
-      <xs:element name="stations">
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="station" type="stationType" maxOccurs="unbounded" />
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-
-      <!-- case 2: list of boreholes -->
-      <xs:element name="boreholes">
-        <xs:complexType>
-          <xs:sequence>
-            <xs:element name="borehole" type="boreholeType" maxOccurs="unbounded" />
-          </xs:sequence>
-        </xs:complexType>
-      </xs:element>
-
-    </xs:choice>
-  </xs:group>
-
-
-  <!-- definition of file content -->
-  <xs:element name="OpenGeoSysSTN">
-    <xs:complexType>
-      <xs:sequence>
-
-        <!-- definition of stationlist -->
-        <xs:element name="stationlist" minOccurs="1" maxOccurs="unbounded">
-          <xs:complexType>
-            <xs:sequence>
-              <xs:element ref="name" />
-              <xs:element name="type" type="xs:string" minOccurs="0" />        <!-- type is optional -->
-              <xs:group ref="stationSelection" />
-              <!-- other list features can be inserted here -->
-            </xs:sequence>
-          </xs:complexType>
-        </xs:element>
-        <!-- end of "stationlist" -->
-
-      </xs:sequence>
-    </xs:complexType>
-  </xs:element>
-
-</xs:schema>