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comparison +parametrization/Curve.m @ 333:0fd4b259af9e feature/beams

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Fixed some bugs in parametrization.Curve.
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 04 Oct 2016 11:43:35 +0200
parents 81e0ead29431
children 0776fa4754ff
comparison
equal deleted inserted replaced
332:875386d0b2ff 333:0fd4b259af9e
66 set(h,'Color',Color.red); 66 set(h,'Color',Color.red);
67 obj.plot(m); 67 obj.plot(m);
68 end 68 end
69 69
70 function h= show(obj,name) 70 function h= show(obj,name)
71 default_arg('name', '')
71 p = obj.g(1/2); 72 p = obj.g(1/2);
72 n = obj.normal(1/2); 73 n = obj.normal(1/2);
73 p = p + n*0.1; 74 p = p + n*0.1;
74 75
75 % Add arrow 76 % Add arrow
76 77
77 h = text(p(1),p(2),name); 78
78 h.HorizontalAlignment = 'center'; 79 if ~isempty(name)
79 h.VerticalAlignment = 'middle'; 80 h = text(p(1),p(2),name);
80 81 h.HorizontalAlignment = 'center';
81 obj.plot(); 82 h.VerticalAlignment = 'middle';
83 end
84
85 h = obj.plot();
82 end 86 end
83 % Shows curve with name and arrow for direction. 87 % Shows curve with name and arrow for direction.
84 88
85 % Length of arc from parameter t0 to t1 (which may be vectors). 89 % Length of arc from parameter t0 to t1 (which may be vectors).
86 % Computed using derivative. 90 % Computed using derivative.
264 268
265 function v = g_fun(t) 269 function v = g_fun(t)
266 v(1,:) = p1(1) + t.*(p2(1)-p1(1)); 270 v(1,:) = p1(1) + t.*(p2(1)-p1(1));
267 v(2,:) = p1(2) + t.*(p2(2)-p1(2)); 271 v(2,:) = p1(2) + t.*(p2(2)-p1(2));
268 end 272 end
269 g = @g_fun; 273
270 274 function v = g_fun_deriv(t)
271 obj = parametrization.Curve(g); 275 v(1,:) = t.*0 + (p2(1)-p1(1));
276 v(2,:) = t.*0 + (p2(2)-p1(2));
277 end
278
279 obj = parametrization.Curve(@g_fun, @g_fun_deriv);
272 end 280 end
273 281
274 function obj = circle(c,r,phi) 282 function obj = circle(c,r,phi)
275 default_arg('phi',[0; 2*pi]) 283 default_arg('phi',[0; 2*pi])
276 default_arg('c',[0; 0]) 284 default_arg('c',[0; 0])