comparison scripts/plot/private/__interp_cube__.m @ 14868:5d3a684236b0

maint: Use Octave coding conventions for cuddling parentheses in scripts directory * lin2mu.m, loadaudio.m, wavread.m, accumarray.m, bicubic.m, celldisp.m, colon.m, cplxpair.m, dblquad.m, divergence.m, genvarname.m, gradient.m, int2str.m, interp1.m, interp1q.m, interp2.m, interpn.m, loadobj.m, nthargout.m, __isequal__.m, __splinen__.m, quadgk.m, quadl.m, quadv.m, rat.m, rot90.m, rotdim.m, saveobj.m, subsindex.m, triplequad.m, delaunay3.m, griddata.m, inpolygon.m, tsearchn.m, voronoi.m, get_first_help_sentence.m, which.m, gray2ind.m, pink.m, dlmwrite.m, strread.m, textread.m, textscan.m, housh.m, ishermitian.m, issymmetric.m, krylov.m, logm.m, null.m, rref.m, compare_versions.m, copyfile.m, dump_prefs.m, edit.m, fileparts.m, getappdata.m, isappdata.m, movefile.m, orderfields.m, parseparams.m, __xzip__.m, rmappdata.m, setappdata.m, swapbytes.m, unpack.m, ver.m, fminbnd.m, fminunc.m, fsolve.m, glpk.m, lsqnonneg.m, qp.m, sqp.m, configure_make.m, copy_files.m, describe.m, get_description.m, get_forge_pkg.m, install.m, installed_packages.m, is_architecture_dependent.m, load_package_dirs.m, print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m, allchild.m, ancestor.m, area.m, axes.m, axis.m, clabel.m, close.m, colorbar.m, comet.m, comet3.m, contour.m, cylinder.m, ezmesh.m, ezsurf.m, findobj.m, fplot.m, hist.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m, mesh.m, meshz.m, pareto.m, pcolor.m, peaks.m, plot3.m, plotmatrix.m, plotyy.m, polar.m, print.m, __add_datasource__.m, __add_default_menu__.m, __axes_limits__.m, __bar__.m, __clabel__.m, __contour__.m, __errcomm__.m, __errplot__.m, __ezplot__.m, __file_filter__.m, __fltk_print__.m, __ghostscript__.m, __gnuplot_print__.m, __go_draw_axes__.m, __go_draw_figure__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m, __pie__.m, __plt__.m, __print_parse_opts__.m, __quiver__.m, __scatter__.m, __stem__.m, __tight_eps_bbox__.m, __uigetdir_fltk__.m, __uigetfile_fltk__.m, __uiputfile_fltk__.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m, ribbon.m, scatter.m, semilogy.m, shading.m, slice.m, subplot.m, surface.m, surfl.m, surfnorm.m, text.m, uigetfile.m, uiputfile.m, whitebg.m, deconv.m, mkpp.m, pchip.m, polyaffine.m, polyder.m, polygcd.m, polyout.m, polyval.m, ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, splinefit.m, addpref.m, getpref.m, setpref.m, ismember.m, setxor.m, arch_fit.m, arch_rnd.m, arch_test.m, autoreg_matrix.m, diffpara.m, fftconv.m, filter2.m, hanning.m, hurst.m, periodogram.m, triangle_sw.m, sinc.m, spectral_xdf.m, spencer.m, stft.m, synthesis.m, unwrap.m, yulewalker.m, bicgstab.m, gmres.m, pcg.m, pcr.m, __sprand_impl__.m, speye.m, spfun.m, sprandn.m, spstats.m, svds.m, treelayout.m, treeplot.m, bessel.m, factor.m, legendre.m, perms.m, primes.m, magic.m, toeplitz.m, corr.m, cov.m, mean.m, median.m, mode.m, qqplot.m, quantile.m, ranks.m, zscore.m, logistic_regression_likelihood.m, bartlett_test.m, chisquare_test_homogeneity.m, chisquare_test_independence.m, kolmogorov_smirnov_test.m, run_test.m, u_test.m, wilcoxon_test.m, z_test.m, z_test_2.m, bin2dec.m, dec2base.m, mat2str.m, strcat.m, strchr.m, strjust.m, strtok.m, substr.m, untabify.m, assert.m, demo.m, example.m, fail.m, speed.m, test.m, now.m: Use Octave coding conventions for cuddling parentheses in scripts directory.
author Rik <octave@nomad.inbox5.com>
date Tue, 17 Jul 2012 07:08:39 -0700
parents 72c96de7a403
children c2dbdeaa25df
comparison
equal deleted inserted replaced
14867:97ce18b62d0f 14868:5d3a684236b0
21 ## -*- texinfo -*- 21 ## -*- texinfo -*-
22 ## @deftypefn {Function File} {[@var{vxyz}, @var{idx}, @var{frac}] =} __interp_cube__ (@var{x}, @var{y}, @var{z}, @var{val}, @var{v}) 22 ## @deftypefn {Function File} {[@var{vxyz}, @var{idx}, @var{frac}] =} __interp_cube__ (@var{x}, @var{y}, @var{z}, @var{val}, @var{v})
23 ## Undocumented internal function. 23 ## Undocumented internal function.
24 ## @end deftypefn 24 ## @end deftypefn
25 25
26 function [Vxyz, idx, frac] = __interp_cube__(x, y, z, val, v, req = "values" ) 26 function [Vxyz, idx, frac] = __interp_cube__ (x, y, z, val, v, req = "values" )
27 if (ismatrix (x) && ndims (x) == 3 && ismatrix (y) && ndims (y) == 3 ... 27 if (ismatrix (x) && ndims (x) == 3 && ismatrix (y) && ndims (y) == 3 ...
28 && ismatrix (z) && ndims (z) == 3 && size_equal (x, y, z, val)) 28 && ismatrix (z) && ndims (z) == 3 && size_equal (x, y, z, val))
29 x = squeeze (x(1,:,1))(:); 29 x = squeeze (x(1,:,1))(:);
30 y = squeeze (y(:,1,1))(:); 30 y = squeeze (y(:,1,1))(:);
31 z = squeeze (z(1,1,:))(:); 31 z = squeeze (z(1,1,:))(:);
32 elseif (isvector (x) && isvector (y) && isvector (z) ) 32 elseif (isvector (x) && isvector (y) && isvector (z) )
33 x = x(:); 33 x = x(:);
34 y = y(:); 34 y = y(:);
35 z = z(:); 35 z = z(:);
36 else 36 else
37 error("__interp_cube__: X, Y, Z have wrong dimensions"); 37 error ("__interp_cube__: X, Y, Z have wrong dimensions");
38 endif 38 endif
39 if (size (val) != [length(x), length(y), length(z)]) 39 if (size (val) != [length(x), length(y), length(z)])
40 error ("__interp_cube__: VAL has wrong dimensions"); 40 error ("__interp_cube__: VAL has wrong dimensions");
41 endif 41 endif
42 if (size (v, 2) != 3) 42 if (size (v, 2) != 3)
99 otherwise 99 otherwise
100 error ("__interp_cube__: Invalid request type '%s', use 'values', 'normals' or 'normals8'", req); 100 error ("__interp_cube__: Invalid request type '%s', use 'values', 'normals' or 'normals8'", req);
101 endswitch 101 endswitch
102 endfunction 102 endfunction
103 103
104 function [Vxyz, idx, frac] = interp_cube_trilin(x, y, z, val, v) 104 function [Vxyz, idx, frac] = interp_cube_trilin (x, y, z, val, v)
105 [idx, frac] = cube_idx (x(:), y(:), z(:), v); 105 [idx, frac] = cube_idx (x(:), y(:), z(:), v);
106 sval = size (val); 106 sval = size (val);
107 i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3)); 107 i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3));
108 i100 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3)); 108 i100 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3));
109 i010 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3)); 109 i010 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3));
124 val( i101 ) .* Bx .* (1 .- By) .* Bz .+ ... 124 val( i101 ) .* Bx .* (1 .- By) .* Bz .+ ...
125 val( i110 ) .* Bx .* By .* (1 .- Bz) .+ ... 125 val( i110 ) .* Bx .* By .* (1 .- Bz) .+ ...
126 val( i111 ) .* Bx .* By .* Bz; 126 val( i111 ) .* Bx .* By .* Bz;
127 endfunction 127 endfunction
128 128
129 function [Dx, Dy, Dz, idx, frac] = interp_cube_trilin_grad(x, y, z, val, v) 129 function [Dx, Dy, Dz, idx, frac] = interp_cube_trilin_grad (x, y, z, val, v)
130 [idx, frac] = cube_idx (x(:), y(:), z(:), v); 130 [idx, frac] = cube_idx (x(:), y(:), z(:), v);
131 sval = size (val); 131 sval = size (val);
132 i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3)); 132 i000 = sub2ind (sval, idx(:, 1), idx(:, 2), idx(:, 3));
133 i100 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3)); 133 i100 = sub2ind (sval, idx(:, 1)+1, idx(:, 2), idx(:, 3));
134 i010 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3)); 134 i010 = sub2ind (sval, idx(:, 1), idx(:, 2)+1, idx(:, 3));
167 val( i101 ) .* Bx .* (1 .- By) .+ ... 167 val( i101 ) .* Bx .* (1 .- By) .+ ...
168 val( i110 ) .* Bx .* By .* -1 .+ ... 168 val( i110 ) .* Bx .* By .* -1 .+ ...
169 val( i111 ) .* Bx .* By; 169 val( i111 ) .* Bx .* By;
170 endfunction 170 endfunction
171 171
172 function [idx, frac] = cube_idx(x, y, z, v) 172 function [idx, frac] = cube_idx (x, y, z, v)
173 idx = zeros (size (v)); 173 idx = zeros (size (v));
174 frac = zeros (size (v)); 174 frac = zeros (size (v));
175 idx(:, 2) = lookup (x(2:end-1), v(:, 1)) + 1; 175 idx(:, 2) = lookup (x(2:end-1), v(:, 1)) + 1;
176 frac(:, 2) = (v(:, 1) - x(idx(:, 2)) )... 176 frac(:, 2) = (v(:, 1) - x(idx(:, 2)) )...
177 ./ (x(idx(:, 2)+1) - x(idx(:, 2))); 177 ./ (x(idx(:, 2)+1) - x(idx(:, 2)));