1## Copyright (C) 2021 David Legland 2## All rights reserved. 3## 4## Redistribution and use in source and binary forms, with or without 5## modification, are permitted provided that the following conditions are met: 6## 7## 1 Redistributions of source code must retain the above copyright notice, 8## this list of conditions and the following disclaimer. 9## 2 Redistributions in binary form must reproduce the above copyright 10## notice, this list of conditions and the following disclaimer in the 11## documentation and/or other materials provided with the distribution. 12## 13## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS'' 14## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 17## ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19## SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20## CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 21## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23## 24## The views and conclusions contained in the software and documentation are 25## those of the authors and should not be interpreted as representing official 26## policies, either expressed or implied, of the copyright holders. 27 28function h = drawLine3d(lin, varargin) 29%DRAWLINE3D Draw a 3D line clipped by the current axes. 30% 31% drawLine3d(LINE) draws the line LINE on the current axis, by clipping 32% with the current axis. 33% 34% drawLine3d(LINE, PARAM, VALUE) accepts parameter/value pairs, like 35% for plot function. Color of the line can also be given as a single 36% parameter. 37% 38% drawLine3d(AX,...) plots into AX instead of GCA. 39% 40% H = drawLine3d(...) returns a handle to the created line object. 41% If the line is not clipped by the axis, function returns -1. 42% 43% Example 44% % draw a sphere together with the three main axes 45% figure; hold on; 46% drawSphere([40 30 20 30]); 47% view(3); axis equal; axis([-20 80 -20 80 -20 80]) 48% drawLine3d([0 0 0 1 0 0], 'k'); 49% drawLine3d([0 0 0 0 1 0], 'k'); 50% drawLine3d([0 0 0 0 0 1], 'k'); 51% light; 52% 53% 54% See also: 55% lines3d, createLine3d, clipLine3d, drawRay3d, drawEdge3d 56% 57 58% --------- 59% author : David Legland 60% INRA - TPV URPOI - BIA IMASTE 61% created the 17/02/2005. 62 63 64% Parse and check inputs 65isLine3d = @(x) validateattributes(x,{'numeric'},... 66 {'nonempty','nonnan','real','finite','size',[nan,6]}); 67defOpts.Color = 'b'; 68[hAx, lin, varargin] = ... 69 parseDrawInput(lin, isLine3d, 'line', defOpts, varargin{:}); 70 71% extract limits of the bounding box 72box = [get(hAx, 'xlim') get(hAx, 'ylim') get(hAx, 'zlim')]; 73 74% clip the line with the limits of the current axis 75edge = clipLine3d(lin, box); 76 77% draw the clipped line 78if sum(isnan(edge)) == 0 79 hh = drawEdge3d(hAx, edge); 80 if ~isempty(varargin) 81 set(hh, varargin{:}); 82 end 83else 84 hh = []; 85end 86 87% process output 88if nargout > 0 89 h = hh; 90end 91