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otb
Commits
525a676b
Commit
525a676b
authored
Mar 21, 2011
by
Julien Malik
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ENH: add ImageRegionSquareTileSplitter
parent
6d5d9554
Changes
4
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4 changed files
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169 additions
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268 deletions
+169
-268
Code/Common/otbImageRegionSquareTileSplitter.h
Code/Common/otbImageRegionSquareTileSplitter.h
+15
-18
Code/Common/otbImageRegionSquareTileSplitter.txx
Code/Common/otbImageRegionSquareTileSplitter.txx
+44
-106
Testing/Code/Common/CMakeLists.txt
Testing/Code/Common/CMakeLists.txt
+3
-3
Testing/Code/Common/otbImageRegionSquareTileSplitter.cxx
Testing/Code/Common/otbImageRegionSquareTileSplitter.cxx
+107
-141
No files found.
Code/Common/otbImageRegionSquareTileSplitter.h
View file @
525a676b
...
...
@@ -104,29 +104,27 @@ public:
/** Region typedef support. */
typedef
itk
::
ImageRegion
<
VImageDimension
>
RegionType
;
itkSetMacro
(
PixelSizeInBytes
,
unsigned
int
);
itkGetMacro
(
PixelSizeInBytes
,
unsigned
int
);
itkSetMacro
(
TileSizeInBytes
,
unsigned
int
);
itkGetMacro
(
TileSizeInBytes
,
unsigned
int
);
/** How many pieces can the specifed region be split? A given region
* cannot always be divided into the requested number of pieces. For
* instance, if the numberOfPieces exceeds the number of pixels along
* a certain dimensions, then some splits will not be possible. This
* method returns a number less than or equal to the requested number
* of pieces. */
/** How many pieces can the specified region be split? A given region
* cannot always be divided into the requested number of pieces. For
* instance, if the numberOfPieces exceeds the number of pixels along
* a certain dimensions, then some splits will not be possible.
*/
virtual
unsigned
int
GetNumberOfSplits
(
const
RegionType
&
region
,
unsigned
int
requestedNumber
);
/** Get a region definition that represents the ith piece a specified region.
* The "numberOfPieces" specified should be less than or equal to what
* The "numberOfPieces" specified should be less than or equal to what
* GetNumberOfSplits() returns. */
virtual
RegionType
GetSplit
(
unsigned
int
i
,
unsigned
int
numberOfPieces
,
const
RegionType
&
region
);
itkGetMacro
(
TileSizeAlignment
,
unsigned
int
);
itkSetMacro
(
TileSizeAlignment
,
unsigned
int
);
itkGetMacro
(
TileDimension
,
unsigned
int
);
protected:
ImageRegionSquareTileSplitter
()
:
m_
AlignStep
(
0
),
m_PixelSizeInBytes
(
0
),
m_TileSizeInBytes
(
0
)
{}
ImageRegionSquareTileSplitter
()
:
m_
SplitsPerDimension
(
0U
),
m_TileDimension
(
0
),
m_TileSizeAlignment
(
16
)
{}
virtual
~
ImageRegionSquareTileSplitter
()
{}
void
PrintSelf
(
std
::
ostream
&
os
,
itk
::
Indent
indent
)
const
;
...
...
@@ -134,10 +132,9 @@ private:
ImageRegionSquareTileSplitter
(
const
ImageRegionSquareTileSplitter
&
);
//purposely not implemented
void
operator
=
(
const
ImageRegionSquareTileSplitter
&
);
//purposely not implemented
unsigned
int
m_SplitsPerDimension
[
VImageDimension
];
unsigned
int
m_AlignStep
;
unsigned
int
m_PixelSizeInBytes
;
unsigned
int
m_TileSizeInBytes
;
itk
::
FixedArray
<
unsigned
int
,
VImageDimension
>
m_SplitsPerDimension
;
unsigned
int
m_TileDimension
;
unsigned
int
m_TileSizeAlignment
;
};
}
// end namespace otb
...
...
Code/Common/otbImageRegionSquareTileSplitter.txx
View file @
525a676b
...
...
@@ -25,140 +25,77 @@
namespace otb
{
/**
*
*/
template <unsigned int VImageDimension>
unsigned int
ImageRegionSquareTileSplitter<VImageDimension>
::GetNumberOfSplits(const RegionType& region, unsigned int requestedNumber)
{
if (m_TileSizeInBytes == 0)
{
itkExceptionMacro(<< "SetTileSizeInBytes has not been called");
}
if (m_PixelSizeInBytes == 0)
{
itkExceptionMacro(<< "SetPixelSizeInBytes has not been called");
}
unsigned int theoricalNbPixelPerTile = region.GetNumberOfPixels() / requestedNumber;
unsigned int theoricalTileDimension = static_cast<unsigned int> (vcl_sqrt(static_cast<double>(theoricalNbPixelPerTile)) );
// Compute the theorical square tile dimensions
const unsigned int nbPixelPerTile = m_TileSizeInBytes / m_PixelSizeInBytes;
unsigned int nbPixelPerDim = static_cast<unsigned int>( vcl_sqrt(nbPixelPerTile));
// Take the previous multiple of m_TileSizeAlignment (eventually generate more splits than requested)
m_TileDimension = theoricalTileDimension / m_TileSizeAlignment * m_TileSizeAlignment;
// Use a reference tile size corresponding to a 256 * 256 region of a 4 bands unsigned short image (=512 k)
const unsigned int ReferenceTileSizeInBytes = 256 * 256 * 4 * 2;
unsigned int nbPixelPerReferenceTile = ReferenceTileSizeInBytes / m_PixelSizeInBytes;
unsigned int referenceNbPixelPerDim = static_cast<unsigned int>( vcl_sqrt(static_cast<float>(nbPixelPerReferenceTile)) );
// Align the tile dimension to the next multiple of 16 using integer division (TIFF tiles are aligned with 16)
referenceNbPixelPerDim = ( referenceNbPixelPerDim + 15 ) / 16 * 16;
// Align nbPixelPerDim with the next multiple of referenceNbPixelPerDim using integer division
m_AlignStep = (nbPixelPerDim + referenceNbPixelPerDim) / referenceNbPixelPerDim * referenceNbPixelPerDim;
// Use at least 16*16 tiles
if (m_AlignStep < 16)
// Minimal tile size is m_TileSizeAlignment * m_TileSizeAlignment
if (m_TileDimension < m_TileSizeAlignment)
{
m_AlignStep = 16;
otbMsgDevMacro(<< "Warning: clamping tile size to " << m_TileSizeAlignment << " * " << m_TileSizeAlignment);
m_TileDimension = m_TileSizeAlignment;
}
const SizeType& regionSize = region.GetSize();
const IndexType& regionIndex = region.GetIndex();
// requested number of splits per dimension
unsigned int numPieces = 1;
// determine the actual number of pieces that will be generated
for (unsigned int j = VImageDimension; j > 0; --j)
const SizeType& regionSize = region.GetSize();
for (unsigned int j = 0; j < VImageDimension; ++j)
{
// otbMsgDevMacro(<< "*** Dimension: " << j-1);
unsigned long int remainingToDo =
static_cast<unsigned long int>(vcl_ceil(static_cast<double>(requestedNumber) / numPieces));
unsigned int maxPieces = (regionIndex[j - 1] + regionSize[j - 1] - 1) / m_AlignStep - regionIndex[j - 1]
/ m_AlignStep + 1;
unsigned int stepPerPiece = 1;
if (remainingToDo < maxPieces)
{
stepPerPiece = static_cast<unsigned int> (vcl_floor(static_cast<double> (maxPieces) / remainingToDo));
if ((remainingToDo - 1) * (stepPerPiece + 1) < maxPieces)
{
stepPerPiece += 1;
}
}
unsigned int maxPieceUsed = static_cast<unsigned int> (vcl_ceil(static_cast<double> (maxPieces) / stepPerPiece));
m_SplitsPerDimension[j - 1] = maxPieceUsed;
// otbMsgDevMacro("*** maxPieces stepPerPiece maxPieceUsed " << maxPieces
// << " " << stepPerPiece << " " << maxPieceUsed);
numPieces *= maxPieceUsed;
m_SplitsPerDimension[j] = (regionSize[j] + m_TileDimension - 1) / m_TileDimension;
numPieces *= m_SplitsPerDimension[j];
}
// otbMsgDevMacro("*** numPieces " << numPieces);
otbMsgDevMacro(<< "Tile dimension : " << m_TileDimension)
otbMsgDevMacro(<< "Number of splits per dimension : " << m_SplitsPerDimension[0] << " " << m_SplitsPerDimension[1])
return numPieces;
}
/**
*
*/
template <unsigned int VImageDimension>
itk::ImageRegion<VImageDimension>
ImageRegionSquareTileSplitter<VImageDimension>
::GetSplit(unsigned int i, unsigned int
numberOfPieces
, const RegionType& region)
::GetSplit(unsigned int i, unsigned int
itkNotUsed(numberOfPieces)
, const RegionType& region)
{
RegionType splitRegion;
IndexType splitIndex, regionIndex;
SizeType splitSize, regionSize;
IndexType splitIndex;
// Initialize the splitRegion to the requested region
splitRegion = region;
splitIndex = splitRegion.GetIndex();
splitSize = splitRegion.GetSize();
// Compute the actual number of splits
unsigned int numPieces = 1;
for (unsigned int j = 0; j < VImageDimension; ++j)
{
numPieces *= m_SplitsPerDimension[j];
}
regionSize = region.GetSize();
regionIndex = region.GetIndex();
// Sanity check
if (i >= numPieces)
{
itkExceptionMacro("Asked for split number " << i << " but region contains only " << numPieces << " splits");
}
unsigned int numPieces = GetNumberOfSplits(region, numberOfPieces);
if (i > numPieces)
// Compute the split index in the streaming grid
unsigned int remaining = i;
for (unsigned int j = VImageDimension - 1; j > 0; --j)
{
itkDebugMacro(" Cannot Split")
;
re
turn splitRegion
;
splitIndex[j] = remaining / m_SplitsPerDimension[VImageDimension - 1 - j]
;
re
maining = remaining % m_SplitsPerDimension[VImageDimension - 1 - j]
;
}
splitIndex[0] = remaining;
unsigned int stackSize = 1;
// Transform the split index to the actual coordinates
for (unsigned int j = 0; j < VImageDimension; ++j)
{
unsigned int slicePos = (i % (stackSize * m_SplitsPerDimension[j])) / stackSize;
stackSize *= m_SplitsPerDimension[j];
unsigned int generalSplitSize =
static_cast<unsigned int> (vcl_ceil(static_cast<double> (regionSize[j]) / (m_SplitsPerDimension[j]
*
m_AlignStep))) * m_AlignStep;
if (slicePos == 0)
{
splitIndex[j] = regionIndex[j];
}
else
{
splitIndex[j] = (regionIndex[j] / generalSplitSize + slicePos) * generalSplitSize;
}
if (slicePos == 0)
{
splitSize[j] = generalSplitSize - (regionIndex[j] % generalSplitSize);
}
else if (slicePos == m_SplitsPerDimension[j] - 1)
{
splitSize[j] = regionSize[j] - (generalSplitSize - (regionIndex[j] % generalSplitSize))
- (m_SplitsPerDimension[j] - 2) * generalSplitSize;
}
else
{
splitSize[j] = generalSplitSize;
}
splitRegion.SetIndex(j, region.GetIndex(j) + m_TileDimension * splitIndex[j]);
splitRegion.SetSize(j, m_TileDimension);
}
// set the split region ivars
splitRegion.SetIndex(splitIndex);
splitRegion.SetSize(splitSize);
// Handle the borders
splitRegion.Crop(region);
return splitRegion;
}
...
...
@@ -172,9 +109,10 @@ ImageRegionSquareTileSplitter<VImageDimension>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "AlignStep : " << m_AlignStep << std::endl;
os << indent << "PixelSizeInBytes : " << m_PixelSizeInBytes << std::endl;
os << indent << "TileSizeInBytes : " << m_TileSizeInBytes << std::endl;
os << indent << "SplitsPerDimension : " << m_SplitsPerDimension << std::endl;
os << indent << "TileDimension : " << m_TileDimension << std::endl;
os << indent << "TileSizeAlignment : " << m_TileSizeAlignment << std::endl;
}
} // end namespace itk
...
...
Testing/Code/Common/CMakeLists.txt
View file @
525a676b
...
...
@@ -743,10 +743,10 @@ ADD_TEST(coTuImageRegionSquareTileSplitterNew ${COMMON_TESTS8}
ADD_TEST
(
coTvImageRegionSquareTileSplitter
${
COMMON_TESTS8
}
--compare-ascii
${
NOTOL
}
${
BASELINE_FILES
}
/coImageRegion
TileMap
Splitter.txt
${
TEMP
}
/coImageRegionTileMap
Splitter.txt
${
BASELINE_FILES
}
/coImageRegion
SquareTile
Splitter.txt
${
TEMP
}
/coImageRegionSquareTile
Splitter.txt
otbImageRegionSquareTileSplitter
${
TEMP
}
/coImageRegion
TileMap
Splitter.txt
${
TEMP
}
/coImageRegion
SquareTile
Splitter.txt
)
# ------------- otb::ImageOfVectorsToMonoChannelExtractROI ----------------------------
...
...
Testing/Code/Common/otbImageRegionSquareTileSplitter.cxx
View file @
525a676b
...
...
@@ -19,160 +19,126 @@
#include <fstream>
const
int
Dimension
=
2
;
typedef
otb
::
ImageRegionSquareTileSplitter
<
Dimension
>
SplitterType
;
typedef
otb
::
ImageRegionSquareTileSplitter
<
Dimension
>
SquareTileSplitterType
;
typedef
SquareTileSplitterType
::
IndexType
IndexType
;
typedef
SquareTileSplitterType
::
SizeType
SizeType
;
typedef
SquareTileSplitterType
::
RegionType
RegionType
;
int
otbImageRegionSquareTileSplitterNew
(
int
argc
,
char
*
argv
[])
{
S
plitterType
::
Pointer
splitter
=
SplitterType
::
New
();
S
quareTileSplitterType
::
Pointer
splitter
=
SquareTile
SplitterType
::
New
();
std
::
cout
<<
splitter
<<
std
::
endl
;
return
EXIT_SUCCESS
;
}
int
otbImageRegionSquareTileSplitter
(
int
argc
,
char
*
argv
[]
)
int
TestSplitter
(
const
RegionType
&
region
,
unsigned
int
PixelSize
,
unsigned
int
MaxTileSize
,
std
::
ostream
&
os
)
{
typedef
SplitterType
::
IndexType
IndexType
;
typedef
SplitterType
::
SizeType
SizeType
;
typedef
SplitterType
::
RegionType
RegionType
;
os
<<
"----------------------------------"
<<
std
::
endl
;
os
<<
"Region : "
<<
region
<<
std
::
endl
;
os
<<
"PixelSize : "
<<
PixelSize
<<
std
::
endl
;
os
<<
"MaxTileSize : "
<<
MaxTileSize
<<
std
::
endl
;
SquareTileSplitterType
::
Pointer
splitter
;
splitter
=
SquareTileSplitterType
::
New
();
unsigned
int
requestedNbSplits
=
region
.
GetNumberOfPixels
()
*
PixelSize
/
MaxTileSize
;
if
(
requestedNbSplits
==
0
)
requestedNbSplits
=
1
;
os
<<
"Requested Number of splits : "
<<
requestedNbSplits
<<
std
::
endl
;
const
unsigned
int
nbSplits
=
splitter
->
GetNumberOfSplits
(
region
,
requestedNbSplits
);
os
<<
"Actual Number of splits : "
<<
nbSplits
<<
std
::
endl
;
RegionType
split
;
// First split :
split
=
splitter
->
GetSplit
(
0
,
nbSplits
,
region
);
os
<<
"First Split : "
<<
split
<<
"("
<<
split
.
GetNumberOfPixels
()
*
PixelSize
<<
" bytes)"
<<
std
::
endl
;
if
(
nbSplits
>
1
)
{
// Second split :
split
=
splitter
->
GetSplit
(
1
,
nbSplits
,
region
);
os
<<
"Second Split : "
<<
split
<<
"("
<<
split
.
GetNumberOfPixels
()
*
PixelSize
<<
" bytes)"
<<
std
::
endl
;
}
if
(
nbSplits
>
2
)
{
// Last split :
split
=
splitter
->
GetSplit
(
nbSplits
-
1
,
nbSplits
,
region
);
os
<<
"Last Split : "
<<
split
<<
"("
<<
split
.
GetNumberOfPixels
()
*
PixelSize
<<
" bytes)"
<<
std
::
endl
;
}
typedef
unsigned
short
PixelPrecisionType
;
const
unsigned
int
NbComponents
=
8
;
const
unsigned
int
PixelSizeInBytes
=
NbComponents
*
sizeof
(
PixelPrecisionType
);
return
EXIT_SUCCESS
;
}
int
otbImageRegionSquareTileSplitter
(
int
argc
,
char
*
argv
[])
{
std
::
ofstream
outfile
(
argv
[
1
]);
SplitterType
::
Pointer
filter
=
FilterType
::
New
();
RegionType
region
,
region2
;
unsigned
int
nb
,
nbSplitTheoric
,
nbAsked
;
IndexType
index
;
SizeType
size
;
//Case 1
index
[
0
]
=
45
;
index
[
1
]
=
45
;
size
[
0
]
=
1000
;
size
[
1
]
=
1500
;
nbSplitTheoric
=
10
;
nbAsked
=
2
;
region
.
SetSize
(
size
);
region
.
SetIndex
(
index
);
nb
=
filter
->
GetNumberOfSplits
(
region
,
nbSplitTheoric
);
region2
=
filter
->
GetSplit
(
nbAsked
,
nb
,
region
);
outfile
<<
"
\n
Case 1
\n
"
;
outfile
<<
"Input region: "
<<
region
<<
std
::
endl
;
outfile
<<
"Input NumberOfSplits: "
<<
nbSplitTheoric
<<
std
::
endl
;
outfile
<<
"Output GetNumberOfSplits: "
<<
nb
<<
std
::
endl
;
outfile
<<
"Output GetSplit("
<<
nbAsked
<<
","
<<
nb
<<
", input region): "
<<
std
::
endl
;
outfile
<<
"Output region: "
<<
region2
<<
std
::
endl
;
//Case 2
index
[
0
]
=
45
;
index
[
1
]
=
45
;
size
[
0
]
=
1048576
;
size
[
1
]
=
1048576
;
nbSplitTheoric
=
16777216
;
nbAsked
=
2
;
region
.
SetSize
(
size
);
region
.
SetIndex
(
index
);
nb
=
filter
->
GetNumberOfSplits
(
region
,
nbSplitTheoric
);
region2
=
filter
->
GetSplit
(
nbAsked
,
nb
,
region
);
outfile
<<
"
\n
Case 2
\n
"
;
outfile
<<
"Input region: "
<<
region
<<
std
::
endl
;
outfile
<<
"Input NumberOfSplits: "
<<
nbSplitTheoric
<<
std
::
endl
;
outfile
<<
"Output GetNumberOfSplits: "
<<
nb
<<
std
::
endl
;
outfile
<<
"Output GetSplit("
<<
nbAsked
<<
","
<<
nb
<<
", input region): "
<<
std
::
endl
;
outfile
<<
"Output region: "
<<
region2
<<
std
::
endl
;
//Case 3
index
[
0
]
=
45
;
index
[
1
]
=
45
;
size
[
0
]
=
1048576
;
size
[
1
]
=
1048576
;
nbSplitTheoric
=
23
;
nbAsked
=
4
;
region
.
SetSize
(
size
);
region
.
SetIndex
(
index
);
nb
=
filter
->
GetNumberOfSplits
(
region
,
nbSplitTheoric
);
region2
=
filter
->
GetSplit
(
nbAsked
,
nb
,
region
);
outfile
<<
"
\n
Case 3
\n
"
;
outfile
<<
"Input region: "
<<
region
<<
std
::
endl
;
outfile
<<
"Input NumberOfSplits: "
<<
nbSplitTheoric
<<
std
::
endl
;
outfile
<<
"Output GetNumberOfSplits: "
<<
nb
<<
std
::
endl
;
outfile
<<
"Output GetSplit("
<<
nbAsked
<<
","
<<
nb
<<
", input region): "
<<
std
::
endl
;
outfile
<<
"Output region: "
<<
region2
<<
std
::
endl
;
//Case 4
index
[
0
]
=
45
;
index
[
1
]
=
45
;
size
[
0
]
=
1048576
;
size
[
1
]
=
1024
;
nbSplitTheoric
=
16777216
;
nbAsked
=
16387
;
region
.
SetSize
(
size
);
region
.
SetIndex
(
index
);
nb
=
filter
->
GetNumberOfSplits
(
region
,
nbSplitTheoric
);
region2
=
filter
->
GetSplit
(
nbAsked
,
nb
,
region
);
outfile
<<
"
\n
Case 4
\n
"
;
outfile
<<
"Input region: "
<<
region
<<
std
::
endl
;
outfile
<<
"Input NumberOfSplits: "
<<
nbSplitTheoric
<<
std
::
endl
;
outfile
<<
"Output GetNumberOfSplits: "
<<
nb
<<
std
::
endl
;
outfile
<<
"Output GetSplit("
<<
nbAsked
<<
","
<<
nb
<<
", input region): "
<<
std
::
endl
;
outfile
<<
"Output region: "
<<
region2
<<
std
::
endl
;
//Case 5
index
[
0
]
=
0
;
index
[
1
]
=
0
;
size
[
0
]
=
513
;
size
[
1
]
=
5376
;
nbSplitTheoric
=
8
;
nbAsked
=
9
;
region
.
SetSize
(
size
);
region
.
SetIndex
(
index
);
nb
=
filter
->
GetNumberOfSplits
(
region
,
nbSplitTheoric
);
region2
=
filter
->
GetSplit
(
nbAsked
,
nb
,
region
);
outfile
<<
"
\n
Case 5
\n
"
;
outfile
<<
"Input region: "
<<
region
<<
std
::
endl
;
outfile
<<
"Input NumberOfSplits: "
<<
nbSplitTheoric
<<
std
::
endl
;
outfile
<<
"Output GetNumberOfSplits: "
<<
nb
<<
std
::
endl
;
outfile
<<
"Output GetSplit("
<<
nbAsked
<<
","
<<
nb
<<
", input region): "
<<
std
::
endl
;
outfile
<<
"Output region: "
<<
region2
<<
std
::
endl
;
//Case 6
index
[
0
]
=
0
;
index
[
1
]
=
0
;
size
[
0
]
=
3
;
size
[
1
]
=
2
;
nbSplitTheoric
=
5
;
nbAsked
=
0
;
region
.
SetSize
(
size
);
region
.
SetIndex
(
index
);
nb
=
filter
->
GetNumberOfSplits
(
region
,
nbSplitTheoric
);
region2
=
filter
->
GetSplit
(
nbAsked
,
nb
,
region
);
outfile
<<
"
\n
Case 5
\n
"
;
outfile
<<
"Input region: "
<<
region
<<
std
::
endl
;
outfile
<<
"Input NumberOfSplits: "
<<
nbSplitTheoric
<<
std
::
endl
;
outfile
<<
"Output GetNumberOfSplits: "
<<
nb
<<
std
::
endl
;
outfile
<<
"Output GetSplit("
<<
nbAsked
<<
","
<<
nb
<<
", input region): "
<<
std
::
endl
;
outfile
<<
"Output region: "
<<
region2
<<
std
::
endl
;
RegionType
region
;
// Test with a 0-based indexed region
region
.
SetIndex
(
0
,
0
);
region
.
SetIndex
(
1
,
0
);
region
.
SetSize
(
0
,
1024
);
region
.
SetSize
(
1
,
1024
);
TestSplitter
(
region
,
1
,
128
,
outfile
);
TestSplitter
(
region
,
1
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
2
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
4
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
8
,
512
*
512
,
outfile
);
// Test with a shifted region
region
.
SetIndex
(
0
,
42
);
region
.
SetIndex
(
1
,
42
);
region
.
SetSize
(
0
,
1000
);
region
.
SetSize
(
1
,
1000
);
TestSplitter
(
region
,
1
,
128
,
outfile
);
TestSplitter
(
region
,
1
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
2
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
4
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
8
,
512
*
512
,
outfile
);
// Test with a negative shift
region
.
SetIndex
(
0
,
-
42
);
region
.
SetIndex
(
1
,
-
42
);
region
.
SetSize
(
0
,
1000
);
region
.
SetSize
(
1
,
1000
);
TestSplitter
(
region
,
1
,
128
,
outfile
);
TestSplitter
(
region
,
1
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
2
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
4
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
8
,
512
*
512
,
outfile
);
// Test with a reduced size
region
.
SetIndex
(
0
,
0
);
region
.
SetIndex
(
1
,
0
);
region
.
SetSize
(
0
,
1
);
region
.
SetSize
(
1
,
1
);
TestSplitter
(
region
,
1
,
128
,
outfile
);
TestSplitter
(
region
,
1
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
2
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
4
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
8
,
512
*
512
,
outfile
);
// Test with a reduced size, shifted
region
.
SetIndex
(
0
,
42
);
region
.
SetIndex
(
1
,
42
);
region
.
SetSize
(
0
,
1
);
region
.
SetSize
(
1
,
1
);
TestSplitter
(
region
,
1
,
128
,
outfile
);
TestSplitter
(
region
,
1
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
2
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
4
,
512
*
512
,
outfile
);
TestSplitter
(
region
,
8
,
512
*
512
,
outfile
);
outfile
.
close
();
...
...
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