本文主要是介绍MATLAB | 两种上色方式的旭日图绘制,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
嘿,这次真的是好久不见了,好不容易才有点空写点文章,这段时间忙到后台回复都有点来不及看,很抱歉有一部分后台留言刚看到就已经超过时限没法回复了,不过根据大家的留言,需求主要集中在希望出一期旭日图的教程,今天它来啦~
旭日图要说简单也不简单,要说难也不算难,唯一难点估计就是将数据分类排好序,然后每一圈能对应起来呗,上色啥的也不算啥难点,因此这期就简单教大家如何把大框架画出来以及提供两种上色方式。
还是挺酷的,近期没啥空单独开发出一个支持更多上色模式的类,大家可以先根据本文提供的代码先自行DIY着。
教程部分
0 数据
这里懒得搜集数据,自己随机生成了一个table类型数据,前三列都是名称,最后一列是数值:
rng(1)
ULList = 'ABCD';
LLList = 'abcd';rowNum = 50;
idx1 = randi([1,length(ULList)],[1,rowNum]);
idx2 = randi([1,3],[rowNum,1]);
Name1 = ULList(idx1'*ones(1,4));
Name2 = [LLList(idx1'*ones(1,4)),num2str(idx2)];
Name3 = [LLList(idx1)',num2str(idx2),...char(45.*ones(rowNum,1)),char(randi([97,122],[rowNum,5]))];
Value = rand([rowNum,1]);
Table = table(Name1,Name2,Name3,Value);
大概长这样:
1 数据处理
利用 grp2idx 进行分类,利用 sortrows 将相同类归在一起
% 利用 grp2idx 进行分类,利用 sortrows 将相同类归在一起
NameList = Table.Properties.VariableNames;
NameNum = length(NameList)-1;
NameCell{NameNum} = ' ';
valueList = zeros(length(Table.(NameList{1})),NameNum);
for i = 1:NameNum-1tName = Table.(NameList{i});tUniq = unique(tName,'rows');NameCell{i} = tUniq;ind = grp2idx([tUniq;tName]);ind(1:length(tUniq)) = [];valueList(:,i) = ind;
end
valueList(:,end) = -Table.(NameList{end});
[VAL,IDX] = sortrows(valueList,1:size(valueList,2));
VAL(:,end) = -VAL(:,end);
2 属性预设
设置配色,字体,文本显示的阈值等信息:
% 此处可以设置配色
CList=[0.3882 0.5333 0.70591.0000 0.6824 0.20390.9373 0.4353 0.41570.5490 0.7608 0.79220.3333 0.6784 0.53730.7647 0.7373 0.24710.7333 0.4627 0.57650.7294 0.6275 0.58040.6627 0.7098 0.68240.4627 0.4627 0.4627];
% 在这可修改字体
FontProp = {'FontSize',12,'Color',[0,0,0]};
% 在这可设置比例低于多少的部分不显示文字
TextThreshold = 0.012;
3 绘图
径向渐变
% 开始绘图
figure('Units','normalized','Position',[.2,.1,.52,.72]);
ax = gca; hold on
ax.DataAspectRatio = [1,1,1];
ax.XColor = 'none';
ax.YColor = 'none';
tT = linspace(0,1,100);
for i = 1:size(VAL,2)-1tRateSum = 0;tNum = length(NameCell{i});for j = 1:tNumtRate = sum(VAL(VAL(:,i) == j,end))./sum(VAL(:,end)); tTheta = [tRateSum+tT.*tRate,tRateSum+tRate-tT.*tRate].*pi.*2;tR = [tT.*0+i,tT.*0+i+1];if i == 1fill(cos(tTheta).*tR,sin(tTheta).*tR,CList(j,:),'EdgeColor',[1,1,1],'LineWidth',1)elsetCN = VAL(find(VAL(:,i) == j,1),1);fill(cos(tTheta).*tR,sin(tTheta).*tR,...CList(tCN,:).*0.8^(i-1)+[1,1,1].*(1-0.8^(i-1)),'EdgeColor',[1,1,1],'LineWidth',1)endrotation = (tRateSum+tRate/2)*360;if tRate > TextThresholdif rotation>90&&rotation<270rotation=rotation+180;text(cos((tRateSum+tRate/2).*pi.*2)*i,sin((tRateSum+tRate/2).*pi.*2)*i,NameCell{i}(j,:)+" ",FontProp{:},...'Rotation',rotation,'HorizontalAlignment','right')elsetext(cos((tRateSum+tRate/2).*pi.*2)*i,sin((tRateSum+tRate/2).*pi.*2)*i," "+NameCell{i}(j,:),FontProp{:},...'Rotation',rotation)endendtRateSum = tRateSum+tRate;end
end
% 绘制最外圈饼状图
tRateSum = 0;
tNameCell = Table.(NameList{end-1});
for j = 1:size(VAL,1)tRate = VAL(j,end)./sum(VAL(:,end)); tTheta = [tRateSum+tT.*tRate,tRateSum+tRate-tT.*tRate].*pi.*2;tR = [tT.*0+size(VAL,2),tT.*0+size(VAL,2)+1];tCN = VAL(j,1);fill(cos(tTheta).*tR,sin(tTheta).*tR,CList(tCN,:).*0.8^(size(VAL,2)-1)+...[1,1,1].*(1-0.8^(size(VAL,2)-1)),'EdgeColor',[1,1,1],'LineWidth',1)rotation = (tRateSum+tRate/2)*360;if tRate > TextThresholdif rotation>90&&rotation<270rotation=rotation+180;text(cos((tRateSum+tRate/2).*pi.*2)*size(VAL,2),sin((tRateSum+tRate/2).*pi.*2)*size(VAL,2),tNameCell(IDX(j),:)+" ",FontProp{:},...'Rotation',rotation,'HorizontalAlignment','right')elsetext(cos((tRateSum+tRate/2).*pi.*2)*size(VAL,2),sin((tRateSum+tRate/2).*pi.*2)*size(VAL,2)," "+tNameCell(IDX(j),:),FontProp{:},...'Rotation',rotation)endendtRateSum = tRateSum+tRate;
end
切向渐变
% 开始绘图
figure('Units','normalized','Position',[.2,.1,.52,.72]);
ax = gca; hold on
ax.DataAspectRatio = [1,1,1];
ax.XColor = 'none';
ax.YColor = 'none';
tT = linspace(0,1,100);
LCList = CList(1:length(NameCell{1}),:);
for i = 1:size(VAL,2)-1tRateSum = 0;tNum = length(NameCell{i});NCList = zeros(tNum,3);for j = 1:tNumtRate = sum(VAL(VAL(:,i) == j,end))./sum(VAL(:,end)); tTheta = [tRateSum+tT.*tRate,tRateSum+tRate-tT.*tRate].*pi.*2;tR = [tT.*0+i,tT.*0+i+1];if i == 1fill(cos(tTheta).*tR,sin(tTheta).*tR,CList(j,:),'EdgeColor',[1,1,1],'LineWidth',1)elsetCN = VAL(find(VAL(:,i) == j,1),i-1);tNN = j-VAL(find(VAL(:,i-1) == tCN,1),i)+1;tPN = length(unique(VAL(VAL(:,i-1) == tCN,i)));if mod(i,2)~=0tRN = tNN;elsetRN = tPN+1-tNN;end NCList(j,:)=LCList(tCN,:).*0.8^(tRN-1)+[1,1,1].*(1-0.8^(tRN-1));fill(cos(tTheta).*tR,sin(tTheta).*tR,NCList(j,:),'EdgeColor',[1,1,1],'LineWidth',1)endrotation = (tRateSum+tRate/2)*360;if tRate > TextThresholdif rotation>90&&rotation<270rotation=rotation+180;text(cos((tRateSum+tRate/2).*pi.*2)*i,sin((tRateSum+tRate/2).*pi.*2)*i,NameCell{i}(j,:)+" ",FontProp{:},...'Rotation',rotation,'HorizontalAlignment','right')elsetext(cos((tRateSum+tRate/2).*pi.*2)*i,sin((tRateSum+tRate/2).*pi.*2)*i," "+NameCell{i}(j,:),FontProp{:},...'Rotation',rotation)endendtRateSum = tRateSum+tRate;endif i ~=1LCList=NCList;end
end
% 绘制最外圈饼状图
tRateSum = 0;
tNameCell = Table.(NameList{end-1});
NCList = zeros(size(VAL,1),3);
for j = 1:size(VAL,1)tRate = VAL(j,end)./sum(VAL(:,end)); tTheta = [tRateSum+tT.*tRate,tRateSum+tRate-tT.*tRate].*pi.*2;tR = [tT.*0+size(VAL,2),tT.*0+size(VAL,2)+1];tCN = VAL(j,size(VAL,2)-1);tNN = j-find(VAL(:,size(VAL,2)-1) == tCN,1)+1;tPN = sum(VAL(:,size(VAL,2)-1) == tCN);if mod(size(VAL,2),2)~=0tRN = tNN;elsetRN = tPN+1-tNN;endNCList(j,:)=LCList(tCN,:).*0.8^(tRN-1)+[1,1,1].*(1-0.8^(tRN-1));fill(cos(tTheta).*tR,sin(tTheta).*tR,NCList(j,:),'EdgeColor',[1,1,1],'LineWidth',1)rotation = (tRateSum+tRate/2)*360;if tRate > TextThresholdif rotation>90&&rotation<270rotation=rotation+180;text(cos((tRateSum+tRate/2).*pi.*2)*size(VAL,2),sin((tRateSum+tRate/2).*pi.*2)*size(VAL,2),tNameCell(IDX(j),:)+" ",FontProp{:},...'Rotation',rotation,'HorizontalAlignment','right')elsetext(cos((tRateSum+tRate/2).*pi.*2)*size(VAL,2),sin((tRateSum+tRate/2).*pi.*2)*size(VAL,2)," "+tNameCell(IDX(j),:),FontProp{:},...'Rotation',rotation)endendtRateSum = tRateSum+tRate;
end
完整代码(径向)
就是前面的代码顺着复制下来,可以换成自己的数据和颜色:
篇幅有限就只先给出径向渐变完整代码,切向渐变代码就光把最后一段稍微一更换即可:
% @author:slandarer%% ========================================================================
% 随机生成一组数据,可将 Table 自行更换
rng(1)
ULList = 'ABCD';
LLList = 'abcd';rowNum = 50;
idx1 = randi([1,length(ULList)],[1,rowNum]);
idx2 = randi([1,3],[rowNum,1]);
Name1 = ULList(idx1'*ones(1,4));
Name2 = [LLList(idx1'*ones(1,4)),num2str(idx2)];
Name3 = [LLList(idx1)',num2str(idx2),...char(45.*ones(rowNum,1)),char(randi([97,122],[rowNum,5]))];
Value = rand([rowNum,1]);
Table = table(Name1,Name2,Name3,Value);%% ========================================================================
% 利用 grp2idx 进行分类,利用 sortrows 将相同类归在一起
NameList = Table.Properties.VariableNames;
NameNum = length(NameList)-1;
NameCell{NameNum} = ' ';
valueList = zeros(length(Table.(NameList{1})),NameNum);
for i = 1:NameNum-1tName = Table.(NameList{i});tUniq = unique(tName,'rows');NameCell{i} = tUniq;ind = grp2idx([tUniq;tName]);ind(1:length(tUniq)) = [];valueList(:,i) = ind;
end
valueList(:,end) = -Table.(NameList{end});
[VAL,IDX] = sortrows(valueList,1:size(valueList,2));
VAL(:,end) = -VAL(:,end);
%% ========================================================================
% 此处可以设置配色
CList=[0.3882 0.5333 0.70591.0000 0.6824 0.20390.9373 0.4353 0.41570.5490 0.7608 0.79220.3333 0.6784 0.53730.7647 0.7373 0.24710.7333 0.4627 0.57650.7294 0.6275 0.58040.6627 0.7098 0.68240.4627 0.4627 0.4627];
% 在这可修改字体
FontProp = {'FontSize',12,'Color',[0,0,0]};
% 在这可设置比例低于多少的部分不显示文字
TextThreshold = 0.012;
%% ========================================================================
% 开始绘图
figure('Units','normalized','Position',[.2,.1,.52,.72]);
ax = gca; hold on
ax.DataAspectRatio = [1,1,1];
ax.XColor = 'none';
ax.YColor = 'none';
tT = linspace(0,1,100);
for i = 1:size(VAL,2)-1tRateSum = 0;tNum = length(NameCell{i});for j = 1:tNumtRate = sum(VAL(VAL(:,i) == j,end))./sum(VAL(:,end)); tTheta = [tRateSum+tT.*tRate,tRateSum+tRate-tT.*tRate].*pi.*2;tR = [tT.*0+i,tT.*0+i+1];if i == 1fill(cos(tTheta).*tR,sin(tTheta).*tR,CList(j,:),'EdgeColor',[1,1,1],'LineWidth',1)elsetCN = VAL(find(VAL(:,i) == j,1),1);fill(cos(tTheta).*tR,sin(tTheta).*tR,...CList(tCN,:).*0.8^(i-1)+[1,1,1].*(1-0.8^(i-1)),'EdgeColor',[1,1,1],'LineWidth',1)endrotation = (tRateSum+tRate/2)*360;if tRate > TextThresholdif rotation>90&&rotation<270rotation=rotation+180;text(cos((tRateSum+tRate/2).*pi.*2)*i,sin((tRateSum+tRate/2).*pi.*2)*i,NameCell{i}(j,:)+" ",FontProp{:},...'Rotation',rotation,'HorizontalAlignment','right')elsetext(cos((tRateSum+tRate/2).*pi.*2)*i,sin((tRateSum+tRate/2).*pi.*2)*i," "+NameCell{i}(j,:),FontProp{:},...'Rotation',rotation)endendtRateSum = tRateSum+tRate;end
end
% 绘制最外圈饼状图
tRateSum = 0;
tNameCell = Table.(NameList{end-1});
for j = 1:size(VAL,1)tRate = VAL(j,end)./sum(VAL(:,end)); tTheta = [tRateSum+tT.*tRate,tRateSum+tRate-tT.*tRate].*pi.*2;tR = [tT.*0+size(VAL,2),tT.*0+size(VAL,2)+1];tCN = VAL(j,1);fill(cos(tTheta).*tR,sin(tTheta).*tR,CList(tCN,:).*0.8^(size(VAL,2)-1)+...[1,1,1].*(1-0.8^(size(VAL,2)-1)),'EdgeColor',[1,1,1],'LineWidth',1)rotation = (tRateSum+tRate/2)*360;if tRate > TextThresholdif rotation>90&&rotation<270rotation=rotation+180;text(cos((tRateSum+tRate/2).*pi.*2)*size(VAL,2),sin((tRateSum+tRate/2).*pi.*2)*size(VAL,2),tNameCell(IDX(j),:)+" ",FontProp{:},...'Rotation',rotation,'HorizontalAlignment','right')elsetext(cos((tRateSum+tRate/2).*pi.*2)*size(VAL,2),sin((tRateSum+tRate/2).*pi.*2)*size(VAL,2)," "+tNameCell(IDX(j),:),FontProp{:},...'Rotation',rotation)endendtRateSum = tRateSum+tRate;
end
完
以上以及是完整代码,若日后代码有更新可在以下gitee仓库查看:
https://gitee.com/slandarer/spdraw/
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