CoR: refactored module and class names

Signed-off-by: Nicola VIGANÒ <nicola.vigano@esrf.fr>

doc/apidoc/nabu.preproc.cor.rst → doc/apidoc/nabu.preproc.alignment.rst

-nabu.preproc.cor module
+nabu.preproc.alignment module
 =======================
 
-.. automodule:: nabu.preproc.cor
+.. automodule:: nabu.preproc.alignment
    :members:
    :undoc-members:
    :show-inheritance:

doc/apidoc/nabu.preproc.rst

@@ -9,7 +9,7 @@ Submodules
 
    nabu.preproc.ccd
    nabu.preproc.ccd_cuda
-   nabu.preproc.cor
+   nabu.preproc.alignment
    nabu.preproc.double_flat_field
    nabu.preproc.phase
    nabu.preproc.phase_cuda

nabu/preproc/cor.py → nabu/preproc/alignment.py

@@ -7,7 +7,7 @@ from silx.math import medianfilter
 from nabu.utils import previouspow2
 
 
-class CORCalculation(object):
+class CenterOfRotation(object):
 
     def __init__(
         self,
@@ -187,7 +187,7 @@ class CORCalculation(object):
 
         >>> radio1 = data[0, :, :]
         ... radio2 = np.fliplr(data[1, :, :])
-        ... CoR_calc = CORCalculation(poly_deg=2)
+        ... CoR_calc = CenterOfRotation(poly_deg=2)
         ... cor_position = CoR_calc.find_shift(radio1, radio2)
 
         Or for noisy images:

nabu/preproc/tests/test_cor.py

@@ -3,7 +3,7 @@ import numpy as np
 import os
 import h5py
 
-from nabu.preproc.cor import CORCalculation
+from nabu.preproc.alignment import CenterOfRotation
 from nabu.testutils import utilstest
 
 
@@ -36,7 +36,7 @@ class TestCor:
         radio1 = self.data[0, :, :]
         radio2 = np.fliplr(self.data[1, :, :])
 
-        CoR_calc = CORCalculation(poly_deg=2)
+        CoR_calc = CenterOfRotation(poly_deg=2)
         cor_position = CoR_calc.find_shift(radio1, radio2)
 
         message = "Computed CoR %f " % cor_position + " and real CoR %f do not coincide" % self.px
@@ -49,14 +49,14 @@ class TestCor:
         radio1 = np.random.poisson(radio1 * 400)
         radio2 = np.random.poisson(np.fliplr(radio2) * 400)
 
-        CoR_calc = CORCalculation(poly_deg=2)
+        CoR_calc = CenterOfRotation(poly_deg=2)
         cor_position = CoR_calc.find_shift(radio1, radio2, median_filt_shape=(3, 3))
 
         message = "Computed CoR %f " % cor_position + " and real CoR %f do not coincide" % self.px
         assert np.abs(self.px - cor_position) < self.cor_tol, message
 
     def test_error_checking_001(self):
-        CoR_calc = CORCalculation(poly_deg=2)
+        CoR_calc = CenterOfRotation(poly_deg=2)
 
         radio1 = self.data[0, :, :1:]
         radio2 = self.data[1, :, :]
@@ -68,7 +68,7 @@ class TestCor:
         assert 'Images need to be 2-dimensional. Shape of image #1' in str(ex.value), message
 
     def test_error_checking_002(self):
-        CoR_calc = CORCalculation(poly_deg=2)
+        CoR_calc = CenterOfRotation(poly_deg=2)
 
         radio1 = self.data[0, :, :]
         radio2 = self.data
@@ -80,7 +80,7 @@ class TestCor:
         assert 'Images need to be 2-dimensional. Shape of image #2' in str(ex.value), message
 
     def test_error_checking_003(self):
-        CoR_calc = CORCalculation(poly_deg=2)
+        CoR_calc = CenterOfRotation(poly_deg=2)
 
         radio1 = self.data[0, :, :]
         radio2 = self.data[1, :, 0:10]