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fixed bug of custom voxel phantom for more than 1 voxel #163

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Merged
J-Endres merged 1 commit into from
Feb 27, 2026
Merged

fixed bug of custom voxel phantom for more than 1 voxel #163

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4 changes: 2 additions & 2 deletions python/MRzeroCore/phantom/custom_voxel_phantom.py
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Original file line number Diff line number Diff line change
Expand Up @@ -170,11 +170,11 @@ def generate_maps(self, props) -> list[torch.Tensor]:

kspaces = [torch.zeros(128, 128, dtype=torch.cfloat) for _ in range(len(props))]
# Iterate over all voxels and render them into the kspaces
for pos in self.voxel_pos:
for j, pos in enumerate(self.voxel_pos):
rot = torch.exp(-2j*pi * (trajectory @ pos))

for i in range(len(props)):
kspaces[i] += props[i] * (rot * dephasing).view(128, 128)
kspaces[i] += props[i][j] * (rot * dephasing).view(128, 128)

# FFT the rendered k-spaces to get the maps
norm = self.voxel_size[0] * self.voxel_size[1] # 2D plot, ignore thickness
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