Documenting the nodal connectivity

[modules/smesh.git] / doc / salome / gui / SMESH / input / tui_filters.doc

diff --git a/doc/salome/gui/SMESH/input/tui_filters.doc b/doc/salome/gui/SMESH/input/tui_filters.doc
index bf3a1f72e23a4180e163ca9407571d6cd1dfaede..5a958d9a2b653021aac2e385b0d3c5f2c46ade1b 100755 (executable)
--- a/doc/salome/gui/SMESH/input/tui_filters.doc
+++ b/doc/salome/gui/SMESH/input/tui_filters.doc
@@ -6,14 +6,14 @@
 
 Filters allow picking only the mesh elements satisfying to a
 specific condition or a set of conditions. Filters can be used to create
 
 Filters allow picking only the mesh elements satisfying to a
 specific condition or a set of conditions. Filters can be used to create

-or edit mesh groups, remove elements from the mesh object, control
+or edit mesh groups, remove elements from the mesh, control

 mesh quality by different parameters, etc.
 
 Several filtering criteria can be combined together by using logical
 mesh quality by different parameters, etc.
 
 Several filtering criteria can be combined together by using logical

-operators \a AND and \a OR. In addition, applied filter criterion can
+operators \a AND and \a OR. In addition, a filtering criterion can

 be reverted using logical operator \a NOT.
 
 be reverted using logical operator \a NOT.
 

-Mesh filters use the functionality of mesh quality controls to filter
+Mesh filters can use the functionality of mesh quality controls to filter

 mesh nodes / elements by a specific characteristic (Area, Length, etc).
 
 This page provides a short description of the existing mesh filters,
 mesh nodes / elements by a specific characteristic (Area, Length, etc).
 
 This page provides a short description of the existing mesh filters,


@@ -24,7 +24,7 @@ Python scripts.
 
 \section filter_aspect_ratio Aspect ratio
 
 
 \section filter_aspect_ratio Aspect ratio
 

-Filter 2D mesh elements (faces) according to the aspect ratio value:
+filters 2D mesh elements (faces) according to the aspect ratio value:

 - element type should be \a SMESH.FACE
 - functor type should be \a SMESH.FT_AspectRatio
 - threshold is floating point value (aspect ratio)
 - element type should be \a SMESH.FACE
 - functor type should be \a SMESH.FT_AspectRatio
 - threshold is floating point value (aspect ratio)


@@ -35,7 +35,7 @@ Filter 2D mesh elements (faces) according to the aspect ratio value:
 
 \section filter_aspect_ratio_3d Aspect ratio 3D
 
 
 \section filter_aspect_ratio_3d Aspect ratio 3D
 

-Filter 3D mesh elements (volumes) according to the aspect ratio value:
+filters 3D mesh elements (volumes) according to the aspect ratio value:

 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_AspectRatio3D
 - threshold is floating point value (aspect ratio)
 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_AspectRatio3D
 - threshold is floating point value (aspect ratio)


@@ -46,7 +46,7 @@ Filter 3D mesh elements (volumes) according to the aspect ratio value:
 
 \section filter_warping_angle Warping angle
 
 
 \section filter_warping_angle Warping angle
 

-Filter 2D mesh elements (faces) according to the warping angle value:
+filters 2D mesh elements (faces) according to the warping angle value:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Warping
 - threshold is floating point value (warping angle)
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Warping
 - threshold is floating point value (warping angle)


@@ -57,7 +57,7 @@ Filter 2D mesh elements (faces) according to the warping angle value:
 
 \section filter_minimum_angle Minimum angle
 
 
 \section filter_minimum_angle Minimum angle
 

-Filter 2D mesh elements (faces) according to the minimum angle value:
+filters 2D mesh elements (faces) according to the minimum angle value:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_MinimumAngle
 - threshold is floating point value (minimum angle)
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_MinimumAngle
 - threshold is floating point value (minimum angle)


@@ -68,7 +68,7 @@ Filter 2D mesh elements (faces) according to the minimum angle value:
 
 \section filter_taper Taper
 
 
 \section filter_taper Taper
 

-Filter 2D mesh elements (faces) according to the taper value:
+filters 2D mesh elements (faces) according to the taper value:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Taper
 - threshold is floating point value (taper)
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Taper
 - threshold is floating point value (taper)


@@ -79,7 +79,7 @@ Filter 2D mesh elements (faces) according to the taper value:
 
 \section filter_skew Skew
 
 
 \section filter_skew Skew
 

-Filter 2D mesh elements (faces) according to the skew value:
+filters 2D mesh elements (faces) according to the skew value:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Skew
 - threshold is floating point value (skew)
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Skew
 - threshold is floating point value (skew)


@@ -90,7 +90,7 @@ Filter 2D mesh elements (faces) according to the skew value:
 
 \section filter_area Area
 
 
 \section filter_area Area
 

-Filter 2D mesh elements (faces) according to the area value:
+filters 2D mesh elements (faces) according to the area value:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Area
 - threshold is floating point value (area)
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_Area
 - threshold is floating point value (area)


@@ -101,7 +101,7 @@ Filter 2D mesh elements (faces) according to the area value:
 
 \section filter_volume Volume
 
 
 \section filter_volume Volume
 

-Filter 3D mesh elements (volumes) according to the volume value:
+filters 3D mesh elements (volumes) according to the volume value:

 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_Volume3D
 - threshold is floating point value (volume)
 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_Volume3D
 - threshold is floating point value (volume)


@@ -112,7 +112,7 @@ Filter 3D mesh elements (volumes) according to the volume value:
 
 \section filter_free_borders Free borders
 
 
 \section filter_free_borders Free borders
 

-Filter 1D mesh elements (edges) which represent free borders of a mesh:
+filters 1D mesh elements (edges) which represent free borders of a mesh:

 - element type is \a SMESH.EDGE
 - functor type is \a SMESH.FT_FreeBorders
 - threshold value is not required
 - element type is \a SMESH.EDGE
 - functor type is \a SMESH.FT_FreeBorders
 - threshold value is not required


@@ -123,8 +123,8 @@ Filter 1D mesh elements (edges) which represent free borders of a mesh:
 
 \section filter_free_edges Free edges
 
 
 \section filter_free_edges Free edges
 

-Filter 2D mesh elements (faces) consisting of edges belonging to one
-element of mesh only:
+filters 2D mesh elements (faces) having edges (i.e. links between
+nodes, not mesh segments) belonging to one face of mesh only:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_FreeEdges
 - threshold value is not required
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_FreeEdges
 - threshold value is not required


@@ -135,7 +135,7 @@ element of mesh only:
 
 \section filter_free_nodes Free nodes
 
 
 \section filter_free_nodes Free nodes
 

-Filter free nodes:
+filters free nodes:

 - element type is \a SMESH.NODE
 - functor type is \a SMESH.FT_FreeNodes
 - threshold value is not required
 - element type is \a SMESH.NODE
 - functor type is \a SMESH.FT_FreeNodes
 - threshold value is not required


@@ -146,7 +146,7 @@ Filter free nodes:
 
 \section filter_free_faces Free faces
 
 
 \section filter_free_faces Free faces
 

-Filter free faces:
+filters free faces:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_FreeFaces
 - threshold value is not required
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_FreeFaces
 - threshold value is not required


@@ -157,7 +157,7 @@ Filter free faces:
 
 \section filter_bare_border_faces Bare border faces
 
 
 \section filter_bare_border_faces Bare border faces
 

-Filter faces with bare borders:
+filters faces with bare borders:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_BareBorderFace
 - threshold value is not required
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_BareBorderFace
 - threshold value is not required


@@ -168,7 +168,7 @@ Filter faces with bare borders:
 
 \section filter_coplanar_faces Coplanar faces
 
 
 \section filter_coplanar_faces Coplanar faces
 

-Filter faces with bare borders:
+filters coplanar faces:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_CoplanarFaces
 - threshold value is the face ID
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_CoplanarFaces
 - threshold value is the face ID


@@ -178,7 +178,7 @@ Filter faces with bare borders:
 
 \section filter_over_constrained_faces Over-constrained faces
 
 
 \section filter_over_constrained_faces Over-constrained faces
 

-Filter over-constrained faces:
+filters over-constrained faces:

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_OverConstrainedFace
 - threshold value is not required
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_OverConstrainedFace
 - threshold value is not required


@@ -189,7 +189,7 @@ Filter over-constrained faces:
 
 \section filter_double_elements Double edges, Double faces, Double volumes
 
 
 \section filter_double_elements Double edges, Double faces, Double volumes
 

-filter mesh elements basing on the same set of nodes:
+filters mesh elements basing on the same set of nodes:

 - element type is either \a SMESH.EGDE, \a SMESH.FACE or \a SMESH.VOLUME
 - functor type is either \a SMESH.FT_EqualEdges, \a
           SMESH.FT_EqualFaces or \a SMESH.FT_EqualVolumes,
 - element type is either \a SMESH.EGDE, \a SMESH.FACE or \a SMESH.VOLUME
 - functor type is either \a SMESH.FT_EqualEdges, \a
           SMESH.FT_EqualFaces or \a SMESH.FT_EqualVolumes,


@@ -211,8 +211,8 @@ filters mesh nodes which are coincident with other nodes (within a given toleran
 
 \section filter_borders_multiconnection Borders at multi-connection
 
 
 \section filter_borders_multiconnection Borders at multi-connection
 

-Filter border 1D mesh elements (edges) according to the specified number of
-connections (faces belonging the border edges)
+filters 1D mesh elements (segments) according to the specified number of
+connections (faces and volumes on whose border the segment lies):

 - element type is \a SMESH.EDGE
 - functor type is \a SMESH.FT_MultiConnection
 - threshold is integer value (number of connections)
 - element type is \a SMESH.EDGE
 - functor type is \a SMESH.FT_MultiConnection
 - threshold is integer value (number of connections)


@@ -223,8 +223,8 @@ connections (faces belonging the border edges)
 
 \section filter_borders_multiconnection_2d Borders at multi-connection 2D
 
 
 \section filter_borders_multiconnection_2d Borders at multi-connection 2D
 

-Filter 2D mesh elements (faces) which consist of edges belonging
-to the specified number of mesh elements
+filters 2D mesh elements (faces) with the specified maximal number of
+faces connected to a border (link between nodes, not mesh segment):

 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_MultiConnection2D
 - threshold is integer value (number of connections)
 - element type is \a SMESH.FACE
 - functor type is \a SMESH.FT_MultiConnection2D
 - threshold is integer value (number of connections)


@@ -235,7 +235,7 @@ to the specified number of mesh elements
 
 \section filter_length Length
 
 
 \section filter_length Length
 

-Filter 1D mesh elements (edges) according to the edge length value:
+filters 1D mesh elements (edges) according to the edge length value:

 - element type should be \a SMESH.EDGE
 - functor type should be \a SMESH.FT_Length
 - threshold is floating point value (length)
 - element type should be \a SMESH.EDGE
 - functor type should be \a SMESH.FT_Length
 - threshold is floating point value (length)


@@ -246,8 +246,8 @@ Filter 1D mesh elements (edges) according to the edge length value:
 
 \section filter_length_2d Length 2D
 
 
 \section filter_length_2d Length 2D
 

-Filter 2D mesh elements (faces) corresponding to the maximum length.
-value of its edges:
+filters 2D mesh elements (faces) according to the maximum length of its
+edges (links between nodes):

 - element type should be \a SMESH.FACE
 - functor type should be \a SMESH.FT_Length2D
 - threshold is floating point value (edge length)
 - element type should be \a SMESH.FACE
 - functor type should be \a SMESH.FT_Length2D
 - threshold is floating point value (edge length)


@@ -258,11 +258,11 @@ value of its edges:
 
 \section filter_max_element_length_2d Element Diameter 2D
 
 
 \section filter_max_element_length_2d Element Diameter 2D
 

-Filter 2D mesh elements (faces) corresponding to the maximum length
-value of its edges and diagonals:
+filters 2D mesh elements (faces) according to the maximum length
+of its edges and diagonals:

 - element type should be \a SMESH.FACE
 - functor type should be \a SMESH.FT_MaxElementLength2D
 - element type should be \a SMESH.FACE
 - functor type should be \a SMESH.FT_MaxElementLength2D

-- threshold is floating point value (edge/diagonal length)
+- threshold is floating point value (length)

 
 \tui_script{filters_ex22.py}
 
 
 \tui_script{filters_ex22.py}
 


@@ -270,8 +270,8 @@ value of its edges and diagonals:
 
 \section filter_max_element_length_3d Element Diameter 3D
 
 
 \section filter_max_element_length_3d Element Diameter 3D
 

-Filter 3D mesh elements (volumes) corresponding to the maximum length
-value of its edges and diagonals:
+filters 3D mesh elements (volumes) according to the maximum length
+of its edges and diagonals:

 - element type should be \a SMESH.VOLUME
 - functor type should be \a SMESH.FT_MaxElementLength3D
 - threshold is floating point value (edge/diagonal length)
 - element type should be \a SMESH.VOLUME
 - functor type should be \a SMESH.FT_MaxElementLength3D
 - threshold is floating point value (edge/diagonal length)


@@ -282,7 +282,8 @@ value of its edges and diagonals:
 
 \section filter_bare_border_volumes Bare border volumes
 
 
 \section filter_bare_border_volumes Bare border volumes
 

-Filter 3D mesh elements with bare borders:
+filters 3D mesh elements with bare borders, i.e. having a facet not
+shared with other volumes and without a face on it:

 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_BareBorderVolume
 - threshold value is not required
 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_BareBorderVolume
 - threshold value is not required


@@ -293,7 +294,7 @@ Filter 3D mesh elements with bare borders:
 
 \section filter_over_constrained_volumes Over-constrained volumes
 
 
 \section filter_over_constrained_volumes Over-constrained volumes
 

-Filter over-constrained volumes:
+filters over-constrained volumes, whose all nodes are on the mesh boundary:

 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_OverConstrainedVolume
 - threshold value is not required
 - element type is \a SMESH.VOLUME
 - functor type is \a SMESH.FT_OverConstrainedVolume
 - threshold value is not required


@@ -304,9 +305,9 @@ Filter over-constrained volumes:
 
 \section filter_belong_to_group Belong to Mesh Group
 
 
 \section filter_belong_to_group Belong to Mesh Group
 

-Filter mesh entities (nodes or elements) included in a mesh group
+filters mesh entities (nodes or elements) included in a mesh group

 defined by threshold value:
 defined by threshold value:

-- element type can be any entity type, from \a  SMESH.NODE to \a SMESH.VOLUME
+- element type can be any, from \a  SMESH.NODE to \a SMESH.BALL

 - functor type should be \a SMESH.FT_BelongToMeshGroup
 - threshold is mesh group object
 
 - functor type should be \a SMESH.FT_BelongToMeshGroup
 - threshold is mesh group object
 


@@ -314,29 +315,33 @@ defined by threshold value:
 
 \section filter_belong_to_geom Belong to Geom
 
 
 \section filter_belong_to_geom Belong to Geom
 

-Filter mesh entities (nodes or elements) which all nodes lie on the
+filters mesh entities (nodes or elements) which all nodes lie on the

 shape defined by threshold value:
 shape defined by threshold value:

-- element type can be any entity type, from \a  SMESH.NODE to \a SMESH.VOLUME
+- element type can be any, from \a  SMESH.NODE to \a SMESH.BALL

 - functor type should be \a SMESH.FT_BelongToGeom
 - threshold is geometrical object
 - functor type should be \a SMESH.FT_BelongToGeom
 - threshold is geometrical object

+- tolerance is a distance between a node and the geometrical object;
+it is used if an node is not associated to any geometry.

 
 \tui_script{filters_ex26.py}
 
 \section filter_lying_on_geom Lying on Geom
 
 
 \tui_script{filters_ex26.py}
 
 \section filter_lying_on_geom Lying on Geom
 

-Filter mesh entities (nodes or elements) at least one node of which lies on the
+filters mesh entities (nodes or elements) at least one node of which lies on the

 shape defined by threshold value:
 shape defined by threshold value:

-- element type can be any entity type, from \a  SMESH.NODE to \a SMESH.VOLUME
+- element type can be any, from \a  SMESH.NODE to \a SMESH.BALL

 - functor type should be \a SMESH.FT_LyingOnGeom
 - threshold is geometrical object
 - functor type should be \a SMESH.FT_LyingOnGeom
 - threshold is geometrical object

+- tolerance is a distance between a node and the geometrical object;
+it is used if an node is not associated to any geometry.

 
 \tui_script{filters_ex27.py}
 
 \section filter_belong_to_plane Belong to Plane
 
 
 \tui_script{filters_ex27.py}
 
 \section filter_belong_to_plane Belong to Plane
 

-Filter mesh entities (nodes or elements) which all nodes belong to the
+filters mesh entities (nodes or elements) which all nodes belong to the

 plane defined by threshold value with the given tolerance:
 plane defined by threshold value with the given tolerance:

-- element type can be: \a  SMESH.NODE, \a SMESH.EDGE, \a SMESH.FACE
+- element type can be any except \a  SMESH.VOLUME

 - functor type should be \a SMESH.FT_BelongToPlane
 - threshold is geometrical object (plane)
 - default tolerance is 1.0e-7
 - functor type should be \a SMESH.FT_BelongToPlane
 - threshold is geometrical object (plane)
 - default tolerance is 1.0e-7


@@ -345,9 +350,9 @@ plane defined by threshold value with the given tolerance:
 
 \section filter_belong_to_cylinder Belong to Cylinder
 
 
 \section filter_belong_to_cylinder Belong to Cylinder
 

-Filter mesh entities (nodes or elements) which all nodes belong to the
+filters mesh entities (nodes or elements) which all nodes belong to the

 cylindrical face defined by threshold value with the given tolerance:
 cylindrical face defined by threshold value with the given tolerance:

-- element type can be: \a , \a SMESH.EDGE, \a SMESH.FACE
+- element type can be any except \a  SMESH.VOLUME

 - functor type should be \a SMESH.FT_BelongToCylinder
 - threshold is geometrical object (cylindrical face)
 - default tolerance is 1.0e-7
 - functor type should be \a SMESH.FT_BelongToCylinder
 - threshold is geometrical object (cylindrical face)
 - default tolerance is 1.0e-7


@@ -356,9 +361,9 @@ cylindrical face defined by threshold value with the given tolerance:
 
 \section filter_belong_to_surface Belong to Surface
 
 
 \section filter_belong_to_surface Belong to Surface
 

-Filter mesh entities (nodes or elements) which all nodes belong to the
+filters mesh entities (nodes or elements) which all nodes belong to the

 arbitrary surface defined by threshold value with the given tolerance:
 arbitrary surface defined by threshold value with the given tolerance:

-- element type can be: \a  SMESH.NODE, \a SMESH.EDGE, \a SMESH.FACE
+- element type can be any except \a  SMESH.VOLUME

 - functor type should be \a SMESH.FT_BelongToGenSurface
 - threshold is geometrical object (arbitrary surface)
 - default tolerance is 1.0e-7
 - functor type should be \a SMESH.FT_BelongToGenSurface
 - threshold is geometrical object (arbitrary surface)
 - default tolerance is 1.0e-7


@@ -367,9 +372,9 @@ arbitrary surface defined by threshold value with the given tolerance:
 
 \section filter_range_of_ids Range of IDs
 
 
 \section filter_range_of_ids Range of IDs
 

-Filter mesh entities elements (nodes or elements) according to the
+filters mesh entities elements (nodes or elements) according to the

 specified identifiers range:
 specified identifiers range:

-- element type can be any entity type, from \a  SMESH.NODE to \a SMESH.VOLUME
+- element type can be any, from \a  SMESH.NODE to \a SMESH.BALL

 - functor type is \a SMESH.FT_RangeOfIds
 - threshold is string listing required IDs and/or ranges of IDs, e.g."1,2,3,50-60,63,67,70-78" 
 
 - functor type is \a SMESH.FT_RangeOfIds
 - threshold is string listing required IDs and/or ranges of IDs, e.g."1,2,3,50-60,63,67,70-78" 
 


@@ -377,7 +382,7 @@ specified identifiers range:
 
 \section filter_bad_oriented_volume Badly oriented volume
 
 
 \section filter_bad_oriented_volume Badly oriented volume
 

-Filter 3D mesh elements (volumes), which are incorrectly oriented from
+filters 3D mesh elements (volumes), which are incorrectly oriented from

 the point of view of MED convention. 
 - element type should be \a SMESH.VOLUME
 - functor type is \a SMESH.FT_BadOrientedVolume
 the point of view of MED convention. 
 - element type should be \a SMESH.VOLUME
 - functor type is \a SMESH.FT_BadOrientedVolume


@@ -387,8 +392,8 @@ the point of view of MED convention.
 
 \section filter_linear_or_quadratic Linear / quadratic
 
 
 \section filter_linear_or_quadratic Linear / quadratic
 

-Filter linear / quadratic mesh elements:
-- element type should be any element type, e.g.: \a SMESH.EDGE, \a SMESH.FACE, \a SMESH.VOLUME
+filters linear / quadratic mesh elements:
+- element type should be either \a SMESH.EDGE, \a SMESH.FACE or \a SMESH.VOLUME

 - functor type is \a SMESH.FT_LinearOrQuadratic
 - threshold is not required
 - if unary operator is set to SMESH.FT_LogicalNOT, the quadratic
 - functor type is \a SMESH.FT_LinearOrQuadratic
 - threshold is not required
 - if unary operator is set to SMESH.FT_LogicalNOT, the quadratic


@@ -398,8 +403,8 @@ elements are selected, otherwise (by default) linear elements are selected
 
 \section filter_group_color Group color
 
 
 \section filter_group_color Group color
 

-Filter mesh entities, belonging to the group with the color defined by the threshold value.
-- element type can be any entity type, from \a  SMESH.NODE to \a SMESH.VOLUME
+filters mesh entities, belonging to the group with the color defined by the threshold value.
+- element type can be any, from \a  SMESH.NODE to \a SMESH.BALL

 - functor type is \a SMESH.FT_GroupColor
 - threshold should be of SALOMEDS.Color type
 
 - functor type is \a SMESH.FT_GroupColor
 - threshold should be of SALOMEDS.Color type
 


@@ -407,18 +412,45 @@ Filter mesh entities, belonging to the group with the color defined by the thres
 
 \section filter_geom_type Geometry type
 
 
 \section filter_geom_type Geometry type
 

-Filter mesh elements by the geometric type defined with the threshold
+filters mesh elements by the geometric type defined with the threshold

 value. The list of available geometric types depends on the element
 entity type.
 value. The list of available geometric types depends on the element
 entity type.

-- element type should be any element type, e.g.: \a SMESH.EDGE, \a SMESH.FACE, \a SMESH.VOLUME
+- element type can be any, e.g.: \a SMESH.EDGE, \a SMESH.FACE, \a SMESH.VOLUME, etc.

 - functor type should be \a SMESH.FT_ElemGeomType
 - functor type should be \a SMESH.FT_ElemGeomType

-- threshold is of smesh.GeometryType value
+- threshold is either of smesh.GeometryType values. Type \a SMESH.GeometryType._items in the Python Console to see all geometric types.

 
 \tui_script{filters_ex35.py}
 
 
 \tui_script{filters_ex35.py}
 

-\section combining_filters How to combine filters with Criterion structures?
+\section filter_entity_type Entity type
+
+filters mesh elements by the geometric type and number of nodes. 
+- element type can be any, e.g.: \a SMESH.EDGE, \a SMESH.FACE, \a SMESH.VOLUME, etc.
+- functor type should be \a SMESH.FT_EntityType
+- threshold is either of SMESH.EntityType values. Type \a SMESH.EntityType._items in the Python Console to see all entity types.
+
+\tui_script{filters_ex37.py}
+
+\section filter_ball_diam Ball diameter
+
+filters ball elements by diameter. 
+- element type should be \a SMESH.BALL
+- functor type should be \a SMESH.FT_BallDiameter
+- threshold is floating point value (ball diameter)
+
+\tui_script{filters_ex38.py}
+
+\section filter_domain Elements of a domain
+
+filters elements of a specified domain. 
+- element type can be any, e.g.: \a SMESH.EDGE, \a SMESH.FACE, \a SMESH.VOLUME, etc.
+- functor type should be \a SMESH.FT_ConnectedElements
+- threshold is either (1) node ID or (2)  geometrical vertex or (3) 3 coordinates of a point.
+
+\tui_script{filters_ex39.py}
+
+\section combining_filters How to combine several criteria into a filter?

 
 

-Filters can be combined by making use of "criteria".
+Several criteria can be combined into a filter.

 
 Example :
 
 
 Example :