- function plot_rose
- draw_main(450,90);
- function draw_main(x,y)
- %粉红色玫瑰
- arcdata{1}=[65 -60 150 350 8
- 66 -54 300 470 8
- 65 -56 30 230 10
- 64 -57 300 490 17];
- ellipsedata{1}=[73 -30 250 450 27 40
- 59 -30 100 290 27 40
- 65 -40 140 270 20 30];
- arcdata{2}=[0 0 150 350 12
- 1 8 280 470 12
- 0 2 30 230 16
- 0 3 80 240 28
- 2 8 180 330 22
- -2 2 310 460 25];
- ellipsedata{2}=[-12 30 120 300 30 40
- 10 28 250 423 30 42
- -4 10 290 393 30 40];
- ellipsedata{3}=[120 5 0 360 15 25];
- ellipsedata{4}=[-70 10 0 360 14 20];
- rose_e{2}=[x+16 y+32 235 355 26 35
- x-15 y+32 190 310 30 35
- x+0 y+35 190 350 43 50];
- rose_e{1}=[x+80 y-48 220 350 22 50
- x+50 y-48 190 320 22 50
- x+65 y-28 180 360 36 50];
- rose_e{3}=[x+120 y-6 200 340 17 25
- x+120 y+7 160 380 17 27];
- rose_e{4}=[x-70 y+15 140 390 17 20
- x-75 y-10 205 340 10 30
- x-60 y-10 195 340 5 30];
- arcdata{3}=[0 82 190 350 6];
- ss={'m','r','b','y'};
- s0={'k','k','g'};
- figure('menubar','none','numbertitle','off','name','rose');
- % figure('numbertitle','off','name','rose');
- hold on
- for j=1:length(ellipsedata)
- for i=1:size(ellipsedata{j},1)
- rectangle('Position',[x+ellipsedata{j}(i,1)-ellipsedata{j}(i,5),y+ellipsedata{j}(i,2)-ellipsedata{j}(i,6),2*ellipsedata{j}(i,5),2*ellipsedata{j}(i,6)],'Curvature',[1,1],...
- 'FaceColor',ss{j})
- end
- if j<4
- for i=1:size(arcdata{j},1)
- draw_arc(x+arcdata{j}(i,1),y+arcdata{j}(i,2),arcdata{j}(i,3),arcdata{j}(i,4),arcdata{j}(i,5),s0{j});
- end
- end
- for i=1:size(rose_e{j},1)
- plot_rose_e(rose_e{j},j);
- end
- end
- for j=1:3
- zhuzhi=[x-98,y+100+j,255,371,100,80
- x-20,y+30+j,260,358,140,140
- x+224,y+20+j,180,218,160,140];
- draw_branch(zhuzhi);
- end
- ce_branch=[x+70,y+34,180,233,140,140;
- x,y+40,205,255,100,120;
- x+135,y-30,209,249,72,120;
- x,y+20,263,301,100,120;
- x+85,y-10,278,305,100,120;
- x+100,y-62,282,308,90,120;
- x-50,y-10,277,314,30,120;
- x+70,y+80,222,266,52,120;
- x-60,y-45,229,266,52,120;
- x+79,y-45,229,266,52,120;
- x+84,y,224,273,52,120;
- x+110,y+40,240,282,100,120];
- draw_branch(ce_branch);
- t_leaf=[x+168,y+282,10,20,-40;
- x+160,y+252,8,16,260;
- x+145,y+270,8,16,-15;
- x+156,y+224,10,20,-45;
- x+150,y+200,8,16,270;
- x+135,y+220,8,16,-10;
- x+146,y+144,8,16,-80;
- x+130,y+130,6,12,235;
- x+125,y+154,7,14,-10;
- x+78,y+98,6,12,-90;
- x+60,y+90,5,10,180;
- x+70,y+109,5,10,-45;
- x-125,y+270,12,24,60;
- x-95,y+270,10,20,10;
- x-110,y+245,10,20,90;
- x-105,y+220,10,20,45;
- x-100,y+190,8,16,135;
- x-75,y+210,8,16,-45;
- x+65,y+190,10,20,-45;
- x+40,y+185,8,16,0;
- x+55,y+165,8,16,90];
- for j=1:size(t_leaf,1)
- draw_elli(t_leaf(j,1),t_leaf(j,2),t_leaf(j,3),t_leaf(j,4),t_leaf(j,5));
- end
- axis ij
- axis off
- set(gcf,'color','k');
- daspect([1,1,1])
- % 画旋转椭圆
- function draw_elli(x0,y0,a,b,theta)
- theta=-theta;
- t = 0:0.01:2*pi;
- x = a*cos(t);
- y = b*sin(t);
- xy = zeros(2,length(t));
- for i = 1:length(t)
- xy(:,i) = expm([0,-pi/180*theta;pi/180*theta,0])*[x(i);y(i)];
- end
- plot(x0 +xy(1,:),480-y0 + xy(2,:),'g');
- % 画弧线
- function draw_arc(x0,y0,st_a,en_a,r,c_c)
- t = (pi/180*st_a:0.01:pi/180*en_a)-pi;
- x = x0 + r*cos(t);
- y = y0 + r*sin(t);
- plot(x,y,c_c);
- % 花萼
- function plot_rose_e(matr,ch)
- x=[];y=[];n=size(matr,1);
- for i=1:size(matr,1)
- t=(matr(i,3):matr(i,4))*pi/180-pi;
- x1=matr(i,1)+matr(i,5)*cos(t);
- y1=matr(i,2)+matr(i,6)*sin(t);
- if i<3
- x1=2*matr(i,1)-x1;
- end
- x1=fliplr(x1);
- y1=fliplr(y1);
- if n<3 && i<2
- x1=fliplr(x1);
- y1=fliplr(y1);
- end
- if ch==4 && i==2
- x1=fliplr(x1);
- y1=fliplr(y1);
- end
-
- x=[x,x1];
- y=[y,y1];
- end
- fill(x,y,'g');
- % 画树枝
- function draw_branch(zhuzhi)
- for k=1:size(zhuzhi,1)
- t=(zhuzhi(k,3):zhuzhi(k,4))*pi/180-pi;
- x1=zhuzhi(k,1)+zhuzhi(k,5)*cos(t);
- y1=zhuzhi(k,2)+zhuzhi(k,6)*sin(t);
- x1=2*zhuzhi(k,1)-x1;
- plot(x1,y1,'g','linewidth',2);
- end
将文件保存为plot_rose.m 运行即可
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发表于 2014-7-8 16:24:02
发表于 2016-1-21 15:00:11
楼主
