hexrd.imageseries.omega module

Handle omega (specimen rotation) metadata

OmegaWedges class specifies omega metadata in wedges

class hexrd.imageseries.omega.OmegaImageSeries(ims)[source]

Bases: ImageSeries

ImageSeries with omega metadata

DFLT_TOL = 1e-06

TAU = 360

property nwedges

property omega: return omega range array (nframes, 2)

omega_to_frame(om)[source]: Return frame and wedge which includes given omega, -1 if not found

omegarange_to_frames(omin, omax)[source]: Return list of frames for range of omegas

property omegawedges

wedge(i)[source]: return i’th wedge as a dictionary

exception hexrd.imageseries.omega.OmegaSeriesError(value)[source]: Bases: Exception

class hexrd.imageseries.omega.OmegaWedges(nframes)[source]

Bases: object

piecewise linear omega ranges

addwedge(ostart, ostop, nsteps, loc=None)[source]: add wedge to list

delwedge(i)[source]: delete wedge number i

property nwedges: number of wedges

property omegas: n x 2 array of omega values, one per frame

save_omegas(fname)[source]: save omegas to text file

property wedges: list of wedges (dictionaries)

property wframes: number of frames in wedges