数学建模社区-数学中国

标题: Matlab实用函数------绘制盒子堆 [打印本页]

作者: 森之张卫东 时间: 2016-1-26 19:13
标题: Matlab实用函数------绘制盒子堆
首先，把盒子函数写出来！如下：

<div>function h = boxs(Position, Size, color)</div><div>%box function</div><div>% Position=[1,2], Size=[2,4], color='r'</div><div>p1 = Position - Size/2; % p1 = [1,2]-[2,4]/2 = [ 0, 0]</div><div>p2 = Position + Size/2; % p2 = [1,2]+[2,4]/2 = [ 2, 4]</div><div>% (0,4)___(2,4)</div><div>x = [p1(1) p2(1) p2(1) p1(1)]; % x = [0 2 2 0] | |</div><div>y = [p1(2) p1(2) p2(2) p2(2)]; % y = [0 0 4 4] |__|</div><div>% (0,0) (0,2)</div><div>%{</div><div>盒子实例</div><div>plot([0 2 2 0],[0 0 4 4]'r');</div><div>fill([0 2 2 0],[0 0 4 4],'g')</div><div>axis([-10,10,-10,10])</div><div>%}</div><div>%plot(x,y,'r');</div><div>h = fill(x, y, color);</div><div>end</div>

复制代码

然后写盒子堆函数：

<div>function [box_pos, box_size, box_E, h] = pile_box(type)</div><div>%画盒子堆函数</div><div>%时间：2016-1-26-four</div><div>if type == 1</div><div> [x, y] = meshgrid(22:0.5:45, 0.1:0.5:3.5);</div><div> box_pos = [x(:) y(:)];</div><div> box_size = 0.5*ones(size(box_pos));</div><div> box_E = 265*ones(size(box_pos,1),1);</div><div>elseif type == 2</div><div> ...</div><div>end</div><div>
</div><div>for i = 1:size(box_pos, 1)</div><div> h(i) = boxs(box_pos(i,:), box_size(i,:), 'y');</div><div> hold on</div><div>end</div><div>
</div><div>axis([0 45 0 4]) %注意修改坐标轴范围！</div><div>end</div>

复制代码

效果如图：