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filter_geometry.cc
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rLIBMULTISCALE LibMultiScale
filter_geometry.cc
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/**
* @file filter_geometry.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Thu Jul 24 14:22:22 2014
*
* @brief This filter allows to select DOFs based on geometrical criteria
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale 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.
*
* LibMultiScale 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 LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "filter_geometry.hh"
#include "compute_interface.hh"
#include "factory_multiscale.hh"
#include "geometry_manager.hh"
#include "lib_continuum.hh"
#include "lib_dd.hh"
#include "lib_md.hh"
#include "lm_common.hh"
#include "reference_manager_interface.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* -------------------------------------------------------------------------- */
/* LMDESC GEOM
This filter allows to extract a set of points and/or
elements contained in a provided geometry
*/
/* LMHERITANCE filter */
/* LMEXAMPLE
FILTER topAtoms GEOM INPUT md GEOMETRY top
*/
/* -------------------------------------------------------------------------- */
void
FilterGeometry
::
init
()
{
std
::
vector
<
ComputeInterface
*>
computes_ptr
;
computes_ptr
.
resize
(
compute_list
.
size
());
for
(
UInt
comp
=
0
;
comp
<
compute_list
.
size
();
++
comp
)
{
LMID
id
=
compute_list
[
comp
];
auto
&
my_compute
=
FilterManager
::
getManager
().
getCastedObject
<
ComputeInterface
>
(
id
);
computes_ptr
[
comp
]
=
&
my_compute
;
my_compute
.
compute
();
LM_TOIMPLEMENT
;
// ComputeCompatibility *out_compute =
// new ComputeCompatibility("", computes_ptr[comp]->getDim());
// out_computes.push_back(out_compute);
}
for
(
UInt
comp
=
0
;
comp
<
compute_list
.
size
();
++
comp
)
{
LMID
id
=
compute_list
[
comp
];
std
::
stringstream
out_compute_name
;
out_compute_name
<<
id
<<
":"
<<
this
->
getID
();
// this->out_computes[comp]->name_computed.push_back(out_compute_name.str());
this
->
out_computes
[
comp
]
->
setID
(
out_compute_name
.
str
());
}
}
/* -------------------------------------------------------------------------- */
void
FilterGeometry
::
declareParams
()
{
FilterInterface
::
declareParams
();
/* LMKEYWORD GEOMETRY
Specify the geometry on which the filtering must proceed
*/
this
->
parseKeyword
(
"GEOMETRY"
,
geom
);
/* LMKEYWORD CURRENT_POSITION
Specify that the selection should be based on the
current position as opposed to the initial position
*/
this
->
parseTag
(
"CURRENT_POSITION"
,
current_position_flag
,
false
);
/* LMKEYWORD DONOTRESETBOUNDINGBOX
Flag to use the bounding box of complete domain
*/
this
->
parseTag
(
"DONOTRESETBOUNDINGBOX"
,
do_not_reset_boundingbox_flag
,
false
);
/* LMKEYWORD CENTROID
Specify that the selection should be based on the
centriod of the element
*/
this
->
parseTag
(
"CENTROID"
,
centroid_flag
,
false
);
/* LMKEYWORD BASED_ON_NODES
Specify that the selection should be based on the
nodes of the element
*/
this
->
parseTag
(
"BASED_ON_NODES"
,
based_on_nodes_flag
,
false
);
/* LMKEYWORD SORT
Flag to sort the container elements
*/
this
->
parseTag
(
"SORT"
,
sort_flag
,
false
);
/* LMKEYWORD DO_NOT_REGISTER
used in point association
*/
this
->
parseTag
(
"DO_NOT_REGISTER"
,
do_not_register
,
false
);
/* LMKEYWORD ADD_COMPUTE
Add computes to input to filter
*/
this
->
parseKeyword
(
"ADD_COMPUTE"
,
compute_list
,
std
::
vector
<
LMID
>
{});
}
/* -------------------------------------------------------------------------- */
template
<
typename
Ref
>
class
ComparatorRef
{
public
:
bool
operator
()(
const
Ref
&
r1
,
const
Ref
&
r2
)
{
auto
pos1
=
r1
.
position0
();
auto
pos2
=
r2
.
position0
();
for
(
UInt
i
=
0
;
i
<
pos1
.
size
();
++
i
)
{
if
(
pos1
[
i
]
!=
pos2
[
i
])
return
pos1
[
i
]
<
pos2
[
i
];
}
return
r1
.
position0
()[
0
]
<
r2
.
position0
()[
0
];
if
(
r1
.
position0
()[
1
]
!=
r2
.
position0
()[
1
])
return
r1
.
position0
()[
1
]
<
r2
.
position0
()[
1
];
return
r1
.
position0
()[
2
]
<
r2
.
position0
()[
2
];
}
bool
operator
()(
Ref
&
r1
,
Ref
&
r2
)
{
auto
pos1
=
r1
.
position0
();
auto
pos2
=
r2
.
position0
();
for
(
UInt
i
=
0
;
i
<
pos1
.
size
();
++
i
)
{
if
(
pos1
[
i
]
!=
pos2
[
i
])
return
pos1
[
i
]
<
pos2
[
i
];
}
return
r1
.
position0
()[
0
]
<
r2
.
position0
()[
0
];
if
(
r1
.
position0
()[
1
]
!=
r2
.
position0
()[
1
])
return
r1
.
position0
()[
1
]
<
r2
.
position0
()[
1
];
return
r1
.
position0
()[
2
]
<
r2
.
position0
()[
2
];
}
};
/* -------------------------------------------------------------------------- */
FilterGeometry
::~
FilterGeometry
()
{}
/* -------------------------------------------------------------------------- */
FilterGeometry
::
FilterGeometry
(
const
std
::
string
&
name
)
:
LMObject
(
name
),
geom
(
invalidGeom
),
current_position_flag
(
false
),
centroid_flag
(
false
),
based_on_nodes_flag
(
false
),
do_not_reset_boundingbox_flag
(
false
),
do_not_register
(
false
),
sort_flag
(
false
)
{
this
->
createInput
(
"input"
);
this
->
createOutput
(
"references"
);
}
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
enable_if_point
<
Cont
>
FilterGeometry
::
build
(
Cont
&
cont
)
{
auto
&
output
=
allocOutput
<
typename
Cont
::
ContainerSubset
>
(
"references"
);
constexpr
UInt
Dim
=
Cont
::
Dim
;
if
(
output
.
size
()
&&
!
current_position_flag
)
return
;
if
(
!
do_not_reset_boundingbox_flag
)
{
output
.
getBoundingBox
().
resetDimensions
();
}
output
.
clear
();
auto
g
=
GeometryManager
::
getManager
().
getGeometry
(
geom
);
std
::
vector
<
ComputeInterface
*>
computes_ptr
;
computes_ptr
.
resize
(
compute_list
.
size
());
for
(
UInt
comp
=
0
;
comp
<
compute_list
.
size
();
++
comp
)
{
this
->
out_computes
[
comp
]
->
clear
();
LMID
id
=
compute_list
[
comp
];
auto
&
my_compute
=
FilterManager
::
getManager
().
getCastedObject
<
ComputeInterface
>
(
id
);
computes_ptr
[
comp
]
=
&
my_compute
;
my_compute
.
compute
();
LM_TOIMPLEMENT
;
// this->out_computes[comp]->copyReleaseInfo(cont);
// this->out_computes[comp]->copyContainerInfo(cont);
}
int
counter
=
0
;
for
(
auto
&&
at
:
cont
)
{
Vector
<
Dim
>
positions
;
positions
.
setZero
();
if
(
current_position_flag
)
{
positions
=
at
.
position
();
}
else
{
positions
=
at
.
position0
();
}
DUMP
(
"Testing point at position "
<<
at
.
position
()[
0
],
DBG_ALL
);
if
(
g
->
contains
<
Dim
>
(
positions
))
{
if
(
!
do_not_reset_boundingbox_flag
)
output
.
getBoundingBox
().
extendBoundingBox
(
positions
);
DUMP
(
"Accepting atom "
<<
at
,
DBG_INFO
);
output
.
push_back
(
at
);
for
(
UInt
comp
=
0
;
comp
<
compute_list
.
size
();
++
comp
)
{
LM_TOIMPLEMENT
;
// this->out_computes[comp]->push_back(computes_ptr[comp]->get(counter));
}
}
counter
++
;
}
#ifndef LM_OPTIMIZED
UInt
nb
=
output
.
size
();
#endif
// LM_OPTIMIZED
DUMP
(
"The filter contains "
<<
nb
<<
" atoms in geometry "
<<
*
g
,
DBG_INFO
);
if
(
!
this
->
do_not_register
)
{
if
(
!
current_position_flag
)
{
output
.
addSubSet
(
output
);
}
}
if
(
sort_flag
)
{
// std::vector<typename Cont::Ref> &arr = output.getArray();
// do sort
std
::
sort
(
output
.
begin
(),
output
.
end
(),
ComparatorRef
<
typename
Cont
::
Ref
>
());
}
}
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
enable_if_mesh
<
Cont
>
FilterGeometry
::
build
(
Cont
&
cont
)
{
auto
&
output
=
allocOutput
<
typename
Cont
::
ContainerSubset
>
(
"references"
,
this
->
getID
());
constexpr
UInt
Dim
=
Cont
::
Dim
;
if
(
output
.
size
()
&&
!
current_position_flag
)
return
;
if
(
!
do_not_reset_boundingbox_flag
)
output
.
getBoundingBox
().
resetDimensions
();
if
(
based_on_nodes_flag
)
{
buildBasedOnNodes
<
Dim
>
(
cont
);
return
;
}
auto
g
=
GeometryManager
::
getGeometry
(
geom
);
output
.
clear
();
auto
&
contElems
=
cont
.
getContainerElems
();
auto
&
contNodes
=
cont
.
getContainerNodes
();
auto
&
contElemsFiltered
=
output
.
getContainerElems
();
for
(
auto
&&
el
:
contElems
)
{
auto
&&
connectivity
=
el
.
globalIndexes
();
UInt
nb_nodes
=
connectivity
.
size
();
bool
test
=
false
;
if
(
centroid_flag
)
{
Vector
<
Dim
>
centroid
;
centroid
.
setZero
();
for
(
UInt
i
=
0
;
i
<
nb_nodes
;
++
i
)
{
auto
nd
=
contNodes
.
get
(
connectivity
[
i
]);
auto
X
=
nd
.
position0
();
centroid
+=
X
;
centroid
/=
nb_nodes
;
test
=
test
|
g
->
contains
(
centroid
);
}
}
else
{
for
(
UInt
i
=
0
;
i
<
nb_nodes
;
++
i
)
{
auto
nd
=
contNodes
.
get
(
connectivity
[
i
]);
test
=
test
|
g
->
contains
(
nd
.
position0
());
}
}
if
(
test
)
{
contElemsFiltered
.
push_back
(
el
);
}
}
// recompute connectivity in altered connectivity
output
.
computeAlteredConnectivity
(
contNodes
);
// reshape the geometry
if
(
!
do_not_reset_boundingbox_flag
)
{
for
(
auto
&&
nd
:
output
.
getContainerNodes
())
{
auto
X
=
nd
.
position0
();
output
.
getBoundingBox
().
extendBoundingBox
(
X
);
}
}
}
/* --------------------------------------------------------------------------
*/
template
<
UInt
Dim
,
typename
Cont
>
void
FilterGeometry
::
buildBasedOnNodes
(
Cont
&
cont
)
{
auto
&
output
=
allocOutput
<
typename
Cont
::
ContainerSubset
>
(
"references"
,
this
->
getID
());
// using type = typename Cont::ContainerSubset;
// using ptr_type = std::shared_ptr<type>;
// allocAndGetCastedOutput<ptr_type>
// try {
// getCastedOutput<ptr_type>();
// } catch (ArgumentContainer::UnallocatedPointer &e) {
// this->getOutput() =
// make_argument(std::make_shared<type>(this->getID()));
// }
// auto &output = *getCastedOutput<ptr_type>();
output
.
clear
();
auto
g
=
GeometryManager
::
getManager
().
getGeometry
(
geom
);
for
(
auto
&&
at
:
cont
)
{
auto
positions0
=
at
.
position0
();
DUMP
(
"Testing point at position "
<<
at
.
position0
(),
DBG_ALL
);
if
(
g
->
contains
<
Dim
>
(
positions0
))
{
if
(
!
do_not_reset_boundingbox_flag
)
output
.
getBoundingBox
().
extendBoundingBox
(
positions0
);
DUMP
(
"Accepting point "
<<
at
,
DBG_ALL
);
output
.
push_back
(
at
);
}
}
#ifndef LM_OPTIMIZED
UInt
nb
=
output
.
size
();
#endif
// LM_OPTIMIZED
DUMP
(
"le filter a trouve "
<<
nb
<<
" atoms in geometry "
<<
*
g
,
DBG_INFO
);
}
/* --------------------------------------------------------------------------
*/
DECLARE_COMPUTE_MAKE_CALL
(
FilterGeometry
)
/* --------------------------------------------------------------------------
*/
__END_LIBMULTISCALE__
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