Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / vrml-1.0.13 / vrml_interp.m

diff --git a/octave_packages/vrml-1.0.13/vrml_interp.m b/octave_packages/vrml-1.0.13/vrml_interp.m
new file mode 100644 (file)
index 0000000..f95f6d4
--- /dev/null
+++ b/octave_packages/vrml-1.0.13/vrml_interp.m
@@ -0,0 +1,76 @@
+## Copyright (C) 2005-2012 Etienne Grossmann <etienne@egdn.net>
+##
+## This program is free software; you can redistribute it and/or modify it under
+## the terms of the GNU General Public License as published by the Free Software
+## Foundation; either version 3 of the License, or (at your option) any later
+## version.
+##
+## This program is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+## details.
+##
+## You should have received a copy of the GNU General Public License along with
+## this program; if not, see <http://www.gnu.org/licenses/>.
+
+## s = vrml_interp (typ, val,...)
+
+function s = vrml_interp (typ, val, varargin)
+
+key = [];
+DEF = "";
+if nargin < 1, help vrml_interp; return; end
+if nargin < 2
+  val = [];
+elseif nargin > 2
+  op1 = " key DEF ";
+  df = tars (key, DEF);
+  s = read_options (varargin, "op1", op1, "default", df);
+  [key, DEF] = getfields (s, "key", "DEF");
+end
+
+
+persistent nname = struct ("col"        , "Color",
+                      "Color"      , "Color",
+                      "coord"      , "Coordinate",
+                      "Coordinate" , "Coordinate",
+                      "normal"     , "Normal",
+                      "Normal"     , "Normal",
+                      "orient"     , "Orientation",
+                      "Orientation", "Orientation",
+                      "pos"        , "Position",
+                      "Position"   , "Position",
+                      "scal"       , "Scalar",
+                      "Scalar"     , "Scalar");
+if isfield (nname, typ)
+  typs = nname.(typ);
+elseif ischar(typ)
+#  e2 = leval ("sprintf",\
+#            append (list("    '%s'\n"), fieldnames (nname)));
+  e2 = sprintf("    '%s'\n", fieldnames (nname){:});
+  error ("vrml_interp : Unknown type '%s'. Should be in:\n%s",typ,e2);
+else
+#  e2 = leval ("sprintf",\
+#            append (list("    '%s;\n"), fieldnames (nname)));
+  e2 = sprintf("    '%s'\n", fieldnames (nname){:});
+  error ("vrml_interp : typ should be a string in:\n%s",typ,e2);
+end
+
+if isempty (val)
+  vs = "";
+else 
+  vs = sprintf ("%8.5f, ", val);
+  vs = sprintf ("    keyValue [ %s ]\n", vs(1:length(vs)-2));
+end
+if isempty (key)
+  ks = "";
+else              
+  ks = sprintf ("%8.5f, ", key);
+  ks = sprintf ("    key [ %s ]\n", ks(1:length(ks)-2));
+end
+if length (DEF),  defs = ["DEF ",DEF," "];
+else              defs = "";
+end 
+
+s = [defs,typs,"Interpolator {\n", vs, ks,"}\n"];endfunction
+