Example #1
0
 def TrivialClippedVolume(self):
     ms = microstructure.getMicrostructure('microstructure')
     skel = skeletoncontext.getSkeleton(ms, "skeleton").getObject()
     for plane in planes:
         v0 = skel.clipVSBVol(0, plane)
         v1 = skel.clipVSBVol(0, plane.reversed())
         self.assertAlmostEqual(v0 + v1, 64.)
Example #2
0
    def All2x2x2(self):
        ms = microstructure.getMicrostructure('microstructure')
        skel = skeletoncontext.getSkeleton(ms, "skeleton").getObject()
        # The non-trivial combinations of voxels correspond to voxel
        # signatures between 1 and 255.  Signature 0 has no voxels in
        # it, and would be equivalent to the Trivial test, above.
        sigs = range(1, 256)
        for sig in sigs:
            nvox = self.selectSig(sig)
            sigstr = voxelsetboundary.printSig(sig)
            print "Selected voxels:", sigstr, "(sig=%d)" % sig
            self.assertEqual(nvox, self.selectionSize())

            OOF.PixelGroup.AddSelection(microstructure='microstructure',
                                        group='pixelgroup')
            self.assertEqual(ms.nCategories(), 2)  # triggers categorization

            unselectedCat = ms.category(Point(0, 0, 0))
            selectedCat = 1 - unselectedCat
            print "selectedCat=", selectedCat, "unselectedCat=",\
                unselectedCat

            skel.dumpVSB(selectedCat, "selected.dat")
            skel.dumpVSB(unselectedCat, "unselected.dat")
            # ms.dumpVSBLines(selectedCat, "selected_"+sigstr+".lines")
            # ms.dumpVSBLines(unselectedCat, "unselected_"+sigstr+".lines")

            selectedVol = ms.volumeOfCategory(selectedCat)
            unselectedVol = ms.volumeOfCategory(unselectedCat)
            print "selectedVol=", selectedVol, \
                "unselectedVol=", unselectedVol
            print "Checking connectivity for selected voxels, category",\
                selectedCat
            self.assert_(skel.checkVSB(selectedCat))
            print "Checking connectivity for unselected voxels, category",\
                unselectedCat
            self.assert_(skel.checkVSB(unselectedCat))
            self.assertAlmostEqual(selectedVol, nvox)
            self.assertAlmostEqual(unselectedVol, 64 - nvox)
            # Check that the saved VSB graphs are correct
            sigstr = sigstr.replace('|', '-')
            self.assert_(
                file_utils.fp_file_compare(
                    "selected.dat",
                    os.path.join("vsb_data", "selected_" + sigstr + ".dat"),
                    1.e-9))
            self.assert_(
                file_utils.fp_file_compare(
                    "unselected.dat",
                    os.path.join("vsb_data", "unselected_" + sigstr + ".dat"),
                    1.e-9))
            print "-------"
            file_utils.remove("selected.dat")
            file_utils.remove("unselected.dat")
Example #3
0
    def ClippedShape(self):
        # Check that a few carefully selected sets of voxels are
        # clipped properly by a single plane
        sigs = (
            vox000,
            vox111,
            vox000 | vox100,
            vox000 | vox110,
            vox010 | vox100,
            vox000 | vox100 | vox010 | vox111,
        )
        ms = microstructure.getMicrostructure('microstructure')
        skel = skeletoncontext.getSkeleton(ms, "skeleton").getObject()
        for sig in sigs:
            sigstr = voxelsetboundary.printSig(sig)
            print "Selecting voxels", sigstr
            sigstr = sigstr.replace('|', '-')
            nvox = self.selectSig(sig)
            OOF.PixelGroup.AddSelection(microstructure='microstructure',
                                        group='pixelgroup')
            unselectedCat = ms.category(Point(0, 0, 0))
            selectedCat = 1 - unselectedCat
            for i, plane in enumerate(planes):
                # saveClippedVSB writes filename.dat and filename.lines
                skel.saveClippedVSB(selectedCat, plane, 'selected')
                skel.saveClippedVSB(unselectedCat, plane, 'unselected')

                fnamebase = "clipped_%s_p%02d" % (sigstr, i)
                self.assert_(
                    file_utils.fp_file_compare(
                        'selected.dat',
                        os.path.join("vsb_data", 's' + fnamebase + '.dat'),
                        1.e-9))
                self.assert_(
                    file_utils.fp_file_compare(
                        'unselected.dat',
                        os.path.join("vsb_data", 'u' + fnamebase + '.dat'),
                        1.e-9))
                self.assert_(
                    file_utils.fp_file_compare(
                        'selected.lines',
                        os.path.join("vsb_data", 's' + fnamebase + '.lines'),
                        1.e-9))
                self.assert_(
                    file_utils.fp_file_compare(
                        'unselected.lines',
                        os.path.join("vsb_data", 'u' + fnamebase + '.lines'),
                        1.e-9))

                file_utils.remove('selected.dat')
                file_utils.remove('unselected.dat')
                file_utils.remove('selected.lines')
                file_utils.remove('unselected.lines')
Example #4
0
 def ClippedVolume(self):
     ms = microstructure.getMicrostructure('microstructure')
     skel = skeletoncontext.getSkeleton(ms, "skeleton").getObject()
     sigs = range(1, 256)
     #sigs = (105,)
     for sig in sigs:
         print "voxels=%s" % voxelsetboundary.printSig(sig)
         nvox = self.selectSig(sig)
         OOF.PixelGroup.AddSelection(microstructure='microstructure',
                                     group='pixelgroup')
         unselectedCat = ms.category(Point(0, 0, 0))
         selectedCat = 1 - unselectedCat
         for plane in planes:
             print "plane=%s" % plane
             v00 = skel.clipVSBVol(selectedCat, plane)
             v10 = skel.clipVSBVol(unselectedCat, plane)
             opposite = plane.reversed()
             v01 = skel.clipVSBVol(selectedCat, opposite)
             v11 = skel.clipVSBVol(unselectedCat, opposite)
             self.assertAlmostEqual(nvox, v00 + v01)
             self.assertAlmostEqual(64 - nvox, v10 + v11)
             self.assertAlmostEqual(v00 + v01 + v10 + v11, 64)
Example #5
0
 def currentSkeleton(self):
     ms = self.currentMS()
     meshname = self.currentSkeletonName()
     if meshname:
         return skeletoncontext.getSkeleton(ms, meshname)
Example #6
0
 def currentSkeleton(self):
     ms = self.currentMS()
     meshname = self.currentSkeletonName()
     if meshname:
         return skeletoncontext.getSkeleton(ms, meshname)