估計很多人會碰到，當繪制的曲線特別多的時候，需要用不同的顏色和線型區分開這些曲線。根據STC論文，自己整理了一個顏色和線型的例子，供大家直接使用，直接引用PlotStyle這個數據結構就可以了。
示例1
1 PlotStyle={ 2 struct('Color',[1,0,0],'LineStyle','-'),... 3 struct('Color',[0,1,0],'LineStyle','-'),... 4 struct('Color',[0,0,1],'LineStyle','-'),... 5 struct('Color',[0,0,0],'LineStyle','-'),...% struct('Color',[1,1,0],'LineStyle','-'),...%yellow 6 struct('Color',[1,0,1],'LineStyle','-'),...%pink 7 struct('Color',[0,1,1],'LineStyle','-'),... 8 struct('Color',[0.5,0.5,0.5],'LineStyle','-'),...%gray-25% 9 struct('Color',[136,0,21]/255,'LineStyle','-'),...%dark red 10 struct('Color',[255,127,39]/255,'LineStyle','-'),...%orange 11 struct('Color',[0,162,232]/255,'LineStyle','-'),...%Turquoise 12 struct('Color',[163,73,164]/255,'LineStyle','-'),...%purple %%%%%%%%%%%%%%%%%%%% 13 struct('Color',[1,0,0],'LineStyle','--'),... 14 struct('Color',[0,1,0],'LineStyle','--'),... 15 struct('Color',[0,0,1],'LineStyle','--'),... 16 struct('Color',[0,0,0],'LineStyle','--'),...% struct('Color',[1,1,0],'LineStyle','--'),...%yellow 17 struct('Color',[1,0,1],'LineStyle','--'),...%pink 18 struct('Color',[0,1,1],'LineStyle','--'),... 19 struct('Color',[0.5,0.5,0.5],'LineStyle','--'),...%gray-25% 20 struct('Color',[136,0,21]/255,'LineStyle','--'),...%dark red 21 struct('Color',[255,127,39]/255,'LineStyle','--'),...%orange 22 struct('Color',[0,162,232]/255,'LineStyle','--'),...%Turquoise 23 struct('Color',[163,73,164]/255,'LineStyle','--'),...%purple %%%%%%%%%%%%%%%%%%% 24 struct('Color',[1,0,0],'LineStyle','-.'),... 25 struct('Color',[0,1,0],'LineStyle','-.'),... 26 struct('Color',[0,0,1],'LineStyle','-.'),... 27 struct('Color',[0,0,0],'LineStyle','-.'),...% struct('Color',[1,1,0],'LineStyle',':'),...%yellow 28 struct('Color',[1,0,1],'LineStyle','-.'),...%pink 29 struct('Color',[0,1,1],'LineStyle','-.'),... 30 struct('Color',[0.5,0.5,0.5],'LineStyle','-.'),...%gray-25% 31 struct('Color',[136,0,21]/255,'LineStyle','-.'),...%dark red 32 struct('Color',[255,127,39]/255,'LineStyle','-.'),...%orange 33 struct('Color',[0,162,232]/255,'LineStyle','-.'),...%Turquoise 34 struct('Color',[163,73,164]/255,'LineStyle','-.'),...%purple 35 }; 36 37 x = 0.1:.1:10; 38 len = length(PlotStyle) 39 for i = 1:len 40 y = x.*log(x)+i*2; 41 hold on; 42 plot(x,y,'Color',PlotStyle{1,i}.Color,'LineStyle',PlotStyle{1,i}.LineStyle,'lineWidth', 2);%call method 43 end 44 title('多種顏色和線性的示例','FontSize',20,'FontWeight','bold','Color','k'); 45 xlabel('x軸','FontSize',15,'FontWeight','bold','Color','k'); 46 ylabel('y軸','FontSize',15,'FontWeight','bold','Color','k'); 47 saveas(1, 'result', 'jpg');
效果如下圖所示：
示例2
PlotStyle={ struct('Color',[123,0,150]/255,'LineStyle','-'),... struct('Color',[1,0,160]/255,'LineStyle','--'),... struct('Color',[0,137,4]/255,'LineStyle','-.'),... struct('Color',[160,101,5]/255,'LineStyle',':'),...% struct('Color',[1,1,0],'LineStyle','-'),...%yellow struct('Color',[150,0,5]/255,'LineStyle','-') }; x = 0:.1:10; len = length(PlotStyle) for i = 1:len % y = x.*log(x)+i*2; y = x.*sin(x)+i*2; hold on; plot(x,y,'Color',PlotStyle{1,i}.Color,'LineStyle',PlotStyle{1,i}.LineStyle,'lineWidth', 2); end title('多種顏色和線性的示例','FontSize',20,'FontWeight','bold','Color','k'); xlabel('x軸','FontSize',15,'FontWeight','bold','Color','k'); ylabel('y軸','FontSize',15,'FontWeight','bold','Color','k'); saveas(1, 'result2', 'jpg');
效果如下圖所示：
示例3
clc; close all; %%數據生成 ya = []; yb = []; yc = []; xa = []; xb = []; xc = []; for i = 0:10 value0 = i*2+rand(); valuea = i*2+rand(); xa = [xa value0]; ya = [ya 2*valuea.^(0.6)]; valueb = i*2+rand(); xb = [xb valueb]; yb = [yb 2*valuea.^(0.7)]; valuec = i*2+rand(); xc = [xc valuec]; yc = [yc 2*valuea.^(0.5)]; end xa = xa - min(xa); ya = ya - min(ya); xb = xb - min(xb); yb = yb - min(yb); xc = xc - min(xc); yc = yc - min(yc); figure(1); hold on; axis equal %強制坐標軸尺度相同，這個放在前面或者后面效果會不一樣 xlim([0 22]);%x軸范圍 ylim([0 14]);%y軸范圍 %%繪制曲線 plot(xa,ya,'ms:','LineWidth',4,'MarkerSize',15,'Color', [1 0 0]); x = xa(end);y = ya(end); text(x-0.5,y+0.5,['(x_n,y_n)'],... 'FontSize',20, 'Color',[0.0 0.0 0.0], 'FontWeight','bold'); plot(xb(1:end-3),yb(1:end-3),'ro:','LineWidth',4,'MarkerSize',15,'Color', [0 0 1]); x = xb(end-3);y = yb(end-3); text(x-0.5,y+0.5,['(x_m,y_m)'],... 'FontSize',20, 'Color',[0.0 0.0 0.0], 'FontWeight','bold'); plot(xc(1:end-2),yc(1:end-2),'r<:','LineWidth',4,'MarkerSize',15,'Color', [0 1 0]); x = xc(end-2);y = yc(end-2); text(x-0.5,y+0.5,['(x_k,y_k)'],... 'FontSize',20, 'Color',[0.0 0.0 0.0], 'FontWeight','bold'); %坐標原點 x = xc(1);y = yc(1); text(x+0.5,y+0.5,['(x_0,y_0)'],... 'FontSize',20, 'Color',[0.0 0.0 0.0], 'FontWeight','bold'); title('轉歸過程','FontSize',25,'FontWeight','bold','FontName','微軟雅黑'); %%坐標軸標題設置 xlabel('體質辨識x','Color','k','FontSize',20,'FontWeight','bold','FontName','微軟雅黑');%橫軸標題 ylabel('疾病預報y','Color','k','FontSize',20,'FontWeight','bold','FontName','微軟雅黑');%縱軸標題 %設置legend hleg = legend('體檢者1','體檢者2','體檢者3','Location','NorthWest');%本身不能設置字體的大小,需要通過set進行設置 set(hleg,'FontSize', 20, 'FontAngle','italic','FontWeight','bold',... 'Color',[1,1,1]);%Color為設置坐標的背景顏色 %%坐標軸刻度設置 set(gca, 'ytick',ya,'yticklabel',{' ',' ',' ',' ',' ',' ','','','',''},'xtick',x,... 'xticklabel',{'','','','','','','','','',''}, 'color',[1 1 1],... 'FontSize',12,'FontName','微軟雅黑'); %xtick就是你要在哪些地方顯示刻度，xticklabel就是顯示什么內容 scrsz = get(0,'ScreenSize'); set(gcf,'Position',scrsz); %%保存圖像 set(1, 'InvertHardCopy', 'off');%設置的背景色有效,如果為on則圖形不保存背景色，maltab 默認為 on filename = 'test'; saveas(1,filename,'jpeg');
效果如下圖所示：
