MATLAB强大的线条与渐变颜色设置..docx

1 渐变1.1t=[linspace(0,2*pi) nan];x=sin(t);y=cos(2*t);z=sqrt(t);%所要绘制的曲线方程patch(x,y,z,z,edgecolor,flat,facecolor,none)view(3);grid on;colorbar1.2x=-200:5:200;y=-200:5:200;z=-200:5:200;m=linspace(0,1,length(x));for i=1:length(x);plot3(x(i),y(i),z(i),o,color,[m(i) 0 0])hold onend1．3 柱状图填色Matlab绘制彩色柱状图?(2012-09-28 12:58:34)转载▼标签：?彩色柱状图?杂谈分类：?Matlab首先，看一下效果图。默认条件下的柱状图颜色均为蓝色，现在可以绘制漂亮的柱状图以及渐变着色的柱状图。% 彩色柱状图%% 用到的数据n =?13;Z =?rand(n,1);%% 默认图片bar(Z);%% 简单的作图% 这个图根据数据列中值的大小着色。每列中的% 值越大，颜色越突出figureh=bar(Z);colormap(summer(n));ch =?get(h,Children);fvd =?get(ch,Faces);fvcd =?get(ch,FaceVertexCData);[~, izs]?=?sortrows(Z,1);for?i?=?1:nrow = izs(i);fvcd(fvd(row,:))?=?i;endset(ch,FaceVertexCData,fvcd)%% 更加漂亮的图片% 图片会以渐变的方式着色，效果非常不错figureh=bar(Z);ch =?get(h,Children);fvd =?get(ch,Faces);fvcd =?get(ch,FaceVertexCData);[zs, izs]?=?sortrows(Z,1);k =?128;?% 准备生成128 *3 行的colormapcolormap(summer(k));?% 这样会产生一个128 * 3的矩阵，分别代表[R G B]的值% 检视数据whos?ch fvd fvcd zs izs%%???Name???????Size????????????Bytes??Class?????Attributes%%???ch?????????1x1?????????????????8??double%???fvcd??????66x1???????????????528??double%???fvd???????13x4???????????????416??double%???izs???????13x1???????????????104??double%???zs????????13x1???????????????104??double%shading?interp?% Needed to graduate colorsfor?i?=?1:ncolor =?floor(k*i/n);?% 这里用取整函数获得color在colormap中行row = izs(i);?% Look up actual row # in datafvcd(fvd(row,1))?=?1;?% Color base vertices 1st indexfvcd(fvd(row,4))?=?1;fvcd(fvd(row,2))?= color;?% Assign top vertices colorfvcd(fvd(row,3))?= color;endset(ch,FaceVertexCData, fvcd);?% Apply the vertex coloringset(ch,EdgeColor,k)2 符号/线型/颜色/绘图标记 b blue . point - solid g green o circle : dotted r red x x-mark -. dashdot c cyan + plus -- dashed m magenta * star (none) no line y yellow s square k black d diamond