Compute range of data for a collection of data files given the projection axes and crystal orientation
Normal use:
>> urange = calc_grid (efix, emode, eps_lo, eps_hi, det, alatt, angdeg, u, v, psi, omega, dpsi, gl, gs)
Input: (in the following, nfile = no. spe files)
dummy Dummy sqw object - used only to ensure that this service routine was called
efix Fixed energy (meV) [scalar or vector length nfile]
emode Direct geometry=1, indirect geometry=2 [scalar]
eps_lo Lower energy transfer (meV) [scalar or vector length nfile]
eps_hi Upper energy transfer (meV) [scalar or vector length nfile]
det Name of detector .par file, or detector structure as read by get_par
alatt Lattice parameters (Ang^-1) [row or column vector]
angdeg Lattice angles (deg) [row or column vector]
u First vector (1x3) defining scattering plane (r.l.u.)
v Second vector (1x3) defining scattering plane (r.l.u.)
psi Angle of u w.r.t. ki (deg) [scalar or vector length nfile]
omega Angle of axis of small goniometer arc w.r.t. notional u (deg) [scalar or vector length nfile]
dpsi Correction to psi (deg) [scalar or vector length nfile]
gl Large goniometer arc angle (deg) [scalar or vector length nfile]
gs Small goniometer arc angle (deg) [scalar or vector length nfile]
Output:
--------
urange Actual range of grid
% Overloaded methods:
sqw/calc_sqw_urange
sqw/calc_sqw_urange