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[FIX] Constructing STIR Image from Acq Data with nx, ny should use Acq data #231

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[FIX] Constructing STIR Image from Acq Data with nx, ny should use Acq data #231

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4bec943
[FIX] Constructing STIR Image from Acq Data with nx, ny should use Ac…
ashgillman Nov 5, 2018
a66f170
Use 1.F in src/xSTIR/cSTIR/stir_data_containers.h
KrisThielemans Nov 26, 2018
135fd76
Merge branch 'master' into fix-imageFromAcqDataNxNy
ashgillman Jan 14, 2019
2ebdc9b
[FIX] Forgot to set_up_geom_info
ashgillman Jan 14, 2019
b9cc652
[DOC] Doxygen for new method.
ashgillman Jan 14, 2019
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20 changes: 2 additions & 18 deletions src/xSTIR/cSTIR/cstir.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -907,24 +907,8 @@ void* cSTIR_imageFromAcquisitionDataAndNxNy(void* ptr_ad, int nx, int ny)
try {
shared_ptr<PETAcquisitionData>& sptr_ad =
objectSptrFromHandle<PETAcquisitionData>(ptr_ad);
PETImageData id(*sptr_ad);
int dim[3];
float vs[3];
float is[3];
id.get_dimensions(dim);
id.get_voxel_sizes(vs);
for (int i = 0; i < 3; i++)
is[i] = dim[i] * vs[i];
int nz = dim[0];
float vx = is[2] / nx;
float vy = is[1] / ny;
float vz = vs[0];
shared_ptr<Voxels3DF> sptr_v(new Voxels3DF(IndexRange3D(0, nz - 1,
-(ny / 2), -(ny / 2) + ny - 1, -(nx / 2), -(nx / 2) + nx - 1),
Coord3DF(0, 0, 0),
Coord3DF(vz, vy, vx)));
shared_ptr<PETImageData> sptr(new PETImageData(*sptr_v));
sptr->fill(0.0);
shared_ptr<PETImageData> sptr(
new PETImageData(*sptr_ad, nx, ny));
return newObjectHandle(sptr);
}
CATCH;
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10 changes: 10 additions & 0 deletions src/xSTIR/cSTIR/stir_data_containers.h
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Expand Up @@ -476,6 +476,16 @@ namespace sirf {
{
_data.reset(new Voxels3DF(*ad.get_proj_data_info_sptr()));
}
PETImageData
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(const PETAcquisitionData& ad, const int nx, const int ny, const float zoom=1.F)
{
const Coord3DF origin(0, 0, 0);
const Coord3DI sizes(-1, ny, nx);
_data.reset(
new Voxels3DF(
*ad.get_proj_data_info_sptr(),
zoom, origin, sizes));
}
PETImageData(const Image3DF& image)
{
_data.reset(image.clone());
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