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vrml_interp.m    77 lines (68 with data), 2.4 kB

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## Copyright (C) 2005 Etienne Grossmann <etienne@cs.uky.edu>
##
## 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