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
|
## Copyright (C) 2024 David Legland
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are met:
##
## 1 Redistributions of source code must retain the above copyright notice,
## this list of conditions and the following disclaimer.
## 2 Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in the
## documentation and/or other materials provided with the distribution.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS''
## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
## ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
## SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
## CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
##
## The views and conclusions contained in the software and documentation are
## those of the authors and should not be interpreted as representing official
## policies, either expressed or implied, of the copyright holders.
function varargout = drawVector(varargin)
%DRAWVECTOR Draw vector at a given position.
%
% drawVector(POS, VECT)
% Draws the 2D or 3D vector VECT at the position POS.
% POS should be a N-by-2 or N-by-3 array containing position of vector
% origins, and VECT should be a N-by-2 or N-by-3 array containing the
% direction of the vectors.
%
% drawVector(POS, VECT, OPTS)
% Specifies additional drawing options that will be provided to the
% 'quiver' or 'quiver3' function.
%
% Example
% figure; hold on;
% drawVector([1 2], [3 2]);
% drawVector([1 2], [-2 3]);
% axis equal;
%
% See also
% quiver, drawVector3d
%
% ------
% Author: David Legland
% E-mail: david.legland@inrae.fr
% Created: 2013-03-18, using Matlab 7.9.0.529 (R2009b)
% Copyright 2013-2023 INRA - Cepia Software Platform
% extract handle of axis to draw on
if isAxisHandle(varargin{1})
ax = varargin{1};
varargin(1) = [];
else
ax = gca;
end
% retrieve position and direction of vector
pos = varargin{1};
vect = varargin{2};
varargin(1:2) = [];
% check input dimension
nd = size(pos, 2);
if size(vect, 2) ~= nd
error('input vector and position must have same dimension');
end
if nd == 2
% Display 2D vectors
h = quiver(ax, pos(:, 1), pos(:, 2), vect(:, 1), vect(:, 2), 0, varargin{:});
elseif nd == 3
% Display 3D vectors
h = quiver3(ax, pos(:, 1), pos(:, 2), pos(:, 3), ...
vect(:, 1), vect(:, 2), vect(:, 3), 0, varargin{:});
else
error('Can not display vectors of dimension > 3');
end
% format output
if nargout > 0
varargout{1} = h;
end
|
