Esempio n. 1
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def test3(nodes):
    ct = CT(
        dir,
        clean_intermediate_files=None,
        vertical_range=slice(900, 1000),
        parallel_nodes=nodes,
    )
    ct.recon(tilt=-1.40, explore_rot_center=False)
    assert os.path.exists('work')
    return
Esempio n. 2
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def test2(nodes):
    ct = CT(dir,
            clean_intermediate_files='archive',
            vertical_range=slice(900, 1000),
            parallel_nodes=nodes,
            skip_df=True)
    ct.recon(tilt=-1.40, explore_rot_center=False)
    assert not os.path.exists('work')
    import glob
    assert glob.glob('out/work-*')
    return
def test():
    nodes = os.environ.get('NODES')
    if nodes:
        nodes = int(nodes)
    print("Processing using %s nodes" % (nodes or 'all'))
    
    from imars3d.CT import CT
    ct = CT(
        dir,
        clean_on_the_fly=True, 
        vertical_range=slice(900, 1000),
        parallel_nodes=nodes,
    )
    ct.recon(tilt=-1.40, explore_rot_center=False)
    return
Esempio n. 4
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 def nextStep(self):
     """
     Creates and moves to the desired output directory.
     Then, creates/opens that directory's recon-config.pkl file,
     and dumps the contents of self.context.config into it.
     Then, after printing the configuration, creates a ct object,
     and stores the result in context.ct. 
     Finally, removes the current panel,
     and replaces it with an MainUIPanel.
     """
     # save path of current imars3d config
     import imars3d
     orig_imars3d_config = os.path.abspath(imars3d.conf_path)
     # create output dir and move over there
     os.makedirs(self.context.config.outdir)
     os.chdir(self.context.config.outdir)
     assert os.getcwd() == self.context.config.outdir
     # copy imars3d config if it exists
     if os.path.exists(orig_imars3d_config):
         import shutil
         shutil.copyfile(orig_imars3d_config, imars3d.conf_path)
     # save recon config
     with open('recon-config.pkl', 'wb') as open_config:
         pkl.dump(self.context.config, open_config)
     # logging
     logger.info("Configuration:")
     for k, v in self.context.config.__dict__.items():
         if k.startswith('_'):
             continue
         sv = str(v)
         if len(sv) > 60:
             sv = sv[:50] + '...'
         logger.info("{0:20}{1:<}".format(k, sv))
     # create CT object
     from imars3d.CT import CT
     context = self.context
     with wait_alert(
             "Gathering information for the CT reconstruction. Please wait..."
     ):
         ct = CT(context.config.datadir,
                 CT_subdir=context.config.ct_dir,
                 CT_identifier=context.config.ct_sig,
                 workdir=context.config.workdir,
                 outdir=context.config.outdir,
                 ob_files=context.config.ob_files,
                 df_files=context.config.df_files)
     context.ct = ct
     # new interface
     self.remove()
     imgslide = MainUIPanel(context)
     imgslide.show()
Esempio n. 5
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 def nextStep(self):
     """
     Removes the current panel. Then, creates a ct object,
     and saves it into context's ct member.
     Fianlly, creates an MainUIPanel and displays it.
     """
     self.remove()
     from imars3d.CT import CT
     context = self.context
     ct = CT(context.config.datadir,
             CT_subdir=context.config.ct_dir,
             CT_identifier=context.config.ct_sig,
             workdir=context.config.workdir,
             outdir=context.config.outdir,
             ob_files=context.config.ob_files,
             df_files=context.config.df_files)
     context.ct = ct
     img_slide = MainUIPanel(context)
     img_slide.show()
#!/usr/bin/env python
# -*- coding: utf-8 -*-

datadir = 'data'
workdir = "work"
outdir = "out"

import sys
import os, numpy as np, imars3d as i3, tomopy

from imars3d.CT import CT
ct = CT(datadir)
# dark field
dfs = i3.io.imageCollection(ct.DF_pattern, name="Dark Field")
# open beam
obs = i3.io.imageCollection(ct.OB_pattern, name="Open Beam")
# ct
angles = ct.angles
theta = angles * np.pi / 180.
pattern = ct.CT_pattern
ct_series = i3.io.ImageFileSeries(pattern, identifiers = angles, name = "CT")

def main():
    normalized = i3.normalize(ct_series, dfs, obs, workdir=os.path.join(workdir, 'normalization'))
    tilt_corrected = i3.correct_tilt(normalized, workdir=os.path.join(workdir, 'tilt-correction'))
    if_corrected = i3.correct_intensity_fluctuation(tilt_corrected, workdir=os.path.join(workdir, 'intensity-fluctuation-correction'))
    angles, sinograms = i3.build_sinograms(if_corrected, workdir=os.path.join(workdir, 'sinogram'))
    # take the middle part to calculate the center of rotation
    sino = [s.data for s in sinograms[900:1100]]
    sino= np.array(sino)
    proj = np.swapaxes(sino, 0, 1)
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
dir = os.path.dirname(__file__)
datadir = os.path.join(dir, "raw")
CT_subdir = os.path.join("ct_scans", "Derek_injec")
workdir = "work"
outdir = "out"

import sys
import numpy as np, imars3d as i3, tomopy

from imars3d.CT import CT
ct = CT(datadir, CT_subdir=CT_subdir, CT_identifier="Derek_injec")
# dark field
dfs = i3.io.imageCollection(ct.DF_pattern, name="Dark Field")
# open beam
obs = i3.io.imageCollection(ct.OB_pattern, name="Open Beam")
# ct
angles = ct.angles
theta = angles * np.pi / 180.
pattern = ct.CT_pattern
ct_series = i3.io.ImageFileSeries(pattern, identifiers=angles, name="CT")


def main():
    normalized = i3.normalize(ct_series,
                              dfs,
                              obs,
                              workdir=os.path.join(workdir, 'normalization'))
Esempio n. 8
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def test():
    from imars3d.CT import CT
    ct = CT(dir)
    ct.recon()
    return