From 7bfc5b3713f750efe21992fcd8d02e840d5d4867 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Wed, 5 Dec 2018 12:03:14 +0100
Subject: Read filter config for FBP from cfg.options
Since these settings are optional, they should have been in cfg.options
instead of directly in cfg. The old syntax remains a fallback.
This has the side-effect that the tomopy/astra interface can also supply them.
---
samples/python/s014_FBP.py | 2 +-
samples/python/s023_FBP_filters.py | 11 ++++++-----
2 files changed, 7 insertions(+), 6 deletions(-)
(limited to 'samples/python')
diff --git a/samples/python/s014_FBP.py b/samples/python/s014_FBP.py
index f7cefd4..1c3a341 100644
--- a/samples/python/s014_FBP.py
+++ b/samples/python/s014_FBP.py
@@ -49,7 +49,7 @@ rec_id = astra.data2d.create('-vol', vol_geom)
cfg = astra.astra_dict('FBP_CUDA')
cfg['ReconstructionDataId'] = rec_id
cfg['ProjectionDataId'] = sinogram_id
-cfg['FilterType'] = 'Ram-Lak'
+cfg['option'] = { 'FilterType': 'Ram-Lak' }
# possible values for FilterType:
# none, ram-lak, shepp-logan, cosine, hamming, hann, tukey, lanczos,
diff --git a/samples/python/s023_FBP_filters.py b/samples/python/s023_FBP_filters.py
index 11518ac..a67c338 100644
--- a/samples/python/s023_FBP_filters.py
+++ b/samples/python/s023_FBP_filters.py
@@ -47,11 +47,12 @@ cfg = astra.astra_dict('FBP')
cfg['ReconstructionDataId'] = rec_id
cfg['ProjectionDataId'] = sinogram_id
cfg['ProjectorId'] = proj_id
+cfg['option'] = {}
# 1. Use a standard Ram-Lak filter
-cfg['FilterType'] = 'ram-lak'
+cfg['option']['FilterType'] = 'ram-lak'
alg_id = astra.algorithm.create(cfg)
astra.algorithm.run(alg_id)
@@ -71,8 +72,8 @@ filter = np.reshape(kernel[0:halfFilterSize], (1, halfFilterSize))
filter_geom = astra.create_proj_geom('parallel', 1.0, halfFilterSize, [0]);
filter_id = astra.data2d.create('-sino', filter_geom, filter);
-cfg['FilterType'] = 'projection'
-cfg['FilterSinogramId'] = filter_id
+cfg['option']['FilterType'] = 'projection'
+cfg['option']['FilterSinogramId'] = filter_id
alg_id = astra.algorithm.create(cfg)
astra.algorithm.run(alg_id)
rec_filter = astra.data2d.get(rec_id)
@@ -92,8 +93,8 @@ kernel[0, N//2] = 0.5
kernel_geom = astra.create_proj_geom('parallel', 1.0, N, [0]);
kernel_id = astra.data2d.create('-sino', kernel_geom, kernel);
-cfg['FilterType'] = 'rprojection'
-cfg['FilterSinogramId'] = kernel_id
+cfg['option']['FilterType'] = 'rprojection'
+cfg['option']['FilterSinogramId'] = kernel_id
alg_id = astra.algorithm.create(cfg)
astra.algorithm.run(alg_id)
rec_kernel = astra.data2d.get(rec_id)
--
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