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Backofen, Rainer
amdis
Commits
d2f8df57
Commit
d2f8df57
authored
Nov 07, 2011
by
Praetorius, Simon
Browse files
PngReader added to io
parent
9878746e
Changes
2
Show whitespace changes
Inline
Side-by-side
AMDiS/src/io/PngReader.cc
View file @
d2f8df57
...
...
@@ -17,7 +17,7 @@ namespace AMDiS {
/** \brief
* Copies the values of a value file to a DOF vector.
*/
void
PngReader
::
readValue
(
std
::
string
filename
,
void
PngReader
::
readValue
s
(
std
::
string
filename
,
DOFVector
<
double
>
*
vec
)
{
FUNCNAME
(
"ValueReader::readValue()"
);
...
...
@@ -68,6 +68,9 @@ namespace AMDiS {
int
numBasFcts
=
basFcts
->
getNumber
();
DegreeOfFreedom
*
localIndices
=
new
DegreeOfFreedom
[
numBasFcts
];
double
xMin
=
0.0
,
xMax
=
1.0
,
yMin
=
0.0
,
yMax
=
1.0
;
getMeshDimension
(
vec
->
getFeSpace
()
->
getMesh
(),
xMin
,
xMax
,
yMin
,
yMax
);
TraverseStack
stack
;
ElInfo
*
elInfo
=
stack
.
traverseFirst
(
vec
->
getFeSpace
()
->
getMesh
(),
-
1
,
Mesh
::
CALL_LEAF_EL
|
...
...
@@ -78,8 +81,10 @@ namespace AMDiS {
basFcts
->
getLocalIndices
(
el
,
vec
->
getFeSpace
()
->
getAdmin
(),
localIndices
);
for
(
int
i
=
0
;
i
<
numBasFcts
;
i
++
)
{
col
=
static_cast
<
int
>
(((
elInfo
->
getCoords
())[
i
][
0
])
*
(
info_ptr
->
width
-
1
));
row
=
static_cast
<
int
>
((
1.0
-
(
elInfo
->
getCoords
())[
i
][
1
])
*
(
info_ptr
->
height
-
1
));
double
lambdaX
=
((
elInfo
->
getCoords
())[
i
][
0
]
-
xMin
)
/
(
xMax
-
xMin
);
double
lambdaY
=
((
elInfo
->
getCoords
())[
i
][
1
]
-
yMin
)
/
(
yMax
-
yMin
);
col
=
static_cast
<
int
>
(
lambdaX
*
(
info_ptr
->
width
-
1
));
row
=
static_cast
<
int
>
((
1.0
-
lambdaY
)
*
(
info_ptr
->
height
-
1
));
switch
(
bytesPerPixel
)
{
case
1
:
value
=
static_cast
<
double
>
(
info_ptr
->
row_pointers
[
row
][
col
]);
...
...
AMDiS/src/io/PngReader.h
View file @
d2f8df57
...
...
@@ -36,8 +36,31 @@ namespace AMDiS {
{
public:
/// Copies the values of a value file to a DOF vector.
static
void
readValue
(
std
::
string
filename
,
static
void
readValue
s
(
std
::
string
filename
,
DOFVector
<
double
>
*
dofVector
);
private:
static
void
getMeshDimension
(
Mesh
*
mesh
,
double
&
xMin
,
double
&
xMax
,
double
&
yMin
,
double
&
yMax
)
{
WorldVector
<
double
>
minDim
;
minDim
.
set
(
1.e10
);
WorldVector
<
double
>
maxDim
;
maxDim
.
set
(
-
1.e10
);
TraverseStack
stack
;
ElInfo
*
elInfo
=
stack
.
traverseFirst
(
mesh
,
0
,
Mesh
::
CALL_EL_LEVEL
|
Mesh
::
FILL_COORDS
);
while
(
elInfo
)
{
for
(
int
i
=
0
;
i
<=
mesh
->
getDim
();
i
++
)
{
WorldVector
<
double
>
&
coords
=
elInfo
->
getMacroElement
()
->
getCoord
(
i
);
for
(
int
j
=
0
;
j
<
coords
.
getSize
();
++
j
)
{
minDim
[
j
]
=
std
::
min
(
minDim
[
j
],
coords
[
j
]);
maxDim
[
j
]
=
std
::
max
(
maxDim
[
j
],
coords
[
j
]);
}
}
elInfo
=
stack
.
traverseNext
(
elInfo
);
}
xMin
=
minDim
[
0
];
xMax
=
maxDim
[
0
];
yMin
=
minDim
[
1
];
yMax
=
maxDim
[
1
];
};
}
...
...
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