1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
% PLOT_SURFMESHCONTOUR [STK internal]
% Copyright Notice
%
% Copyright (C) 2016, 2017 CentraleSupelec
% Copyright (C) 2013 Valentin Resseguier
% Copyright (C) 2012-2014 SUPELEC
%
% Author: Julien Bect <julien.bect@centralesupelec.fr>
% Valentin Resseguier <valentin.resseguier@gmail.com>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (http://sourceforge.net/projects/kriging)
%
% STK 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.
%
% STK 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 STK. If not, see <http://www.gnu.org/licenses/>.
function h_plot = plot_surfmeshcontour (plotfun, varargin)
[h_axes, x, z, opts] = parse_args_ (varargin{:});
%--- Deal with various possible types for the 'z' argument ----------------
if ischar (z) || isa (z, 'function_handle')
z = double (stk_feval (z, x));
else
z = double (z);
end
%--- Do the actual plotting job -------------------------------------------
[xx1, xx2] = ndgrid (x);
h_plot = call_plotfun (plotfun, h_axes, ...
xx1, xx2, reshape (z, size (xx1)), opts{:});
% Create labels if x provides column names
c = get (x.stk_dataframe, 'colnames');
if ~ isempty (c)
stk_xlabel (h_axes, c{1}, 'interpreter', 'none'); % CG#10
end
if length (c) > 1
stk_ylabel (h_axes, c{2}, 'interpreter', 'none'); % CG#10
end
% Use interpolated shading for surf and pcolor plots
if ismember (func2str (plotfun), {'surf', 'pcolor'})
shading (h_axes, 'interp');
end
end % function
%#ok<*TRYNC>
function [h_axes, x, z, opts] = parse_args_ (varargin)
%--- Formal grammar for the list of arguments -----------------------------
%
% Terminal symbols
%
% h = a handle to an axes object
% x = stk_factorial_design object
% z = ordinate argument
%
% Derivation rules
%
% <arg_list> ::= <arg_list_0> | h <arg_list_0>
% <arg_list_0> ::= x z <optional_arguments>
% Extract axis handle (if it is present)
[h_axes, varargin, n_argin] = stk_plot_getaxesarg (varargin{:});
if n_argin < 2
stk_error ('Not enough input arguments.', 'NotEnoughInputArgs');
end
x = varargin{1};
z = varargin{2};
opts = varargin(3:end);
% Then, x must be an stk_factorialdesign object
if ~ isa (x, 'stk_factorialdesign')
stk_error (['The first input argument should be a handle to existing' ...
'axes or and stk_factorialdesign object.'], 'TypeMismatch');
end
dim = size (x, 2);
if dim ~= 2
errmsg = 'Only works for two-dimensional factor spaces.';
stk_error (errmsg, 'InvalidArgument');
end
end % function
function h_plot = call_plotfun (plotfun, h_axes, x, y, z, varargin)
% In Octave 3.6.4, pcolor supports neither the axis handle argument nor
% the optional parameter/value arguments. This function has been created to
% overcome this and other similar issues.
try
% When the full 'modern' syntax is supported, the result is usually better,
% in particular when options are provided. Let's try that first.
if strcmp (func2str (plotfun), 'contour')
[ignd, h_plot] = contour ...
(h_axes, x, y, z, varargin{:}); %#ok<ASGLU> CG#07
else
h_plot = plotfun (h_axes, x, y, z, varargin{:});
end
catch %#ok<CTCH>
% Do we have an additional numeric argument ?
if isempty (varargin)
numarg = {};
opts = {};
else
if ischar (varargin{1})
numarg = {};
opts = varargin;
else
numarg = varargin(1);
opts = varargin(2:end);
end
end
% Select the axes to draw on
h1 = gca (); axes (h_axes);
try
if strcmp (func2str (plotfun), 'contour')
[ignd, h_plot] = contour (x, y, z, numarg{:}); %#ok<ASGLU> CG#07
else
h_plot = plotfun (x, y, z, numarg{:});
end
if ~ isempty (opts)
set (h_plot, opts{:});
end
axes (h1);
catch %#ok<CTCH>
axes (h1);
rethrow (lasterror ()); %#ok<LERR>
end
end % try_catch
end % function
|
