# MATLAB 绘图配色 **Repository Path**: slandarer/slanColor ## Basic Information - **Project Name**: MATLAB 绘图配色 - **Description**: MATLAB 绘图配色 - **Primary Language**: Matlab - **License**: GPL-2.0 - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 73 - **Forks**: 24 - **Created**: 2023-01-14 - **Last Updated**: 2026-04-19 ## Categories & Tags **Categories**: Uncategorized **Tags**: color, SCI, colormap, palettes, 配色 ## README # MATLAB 绘图配色 ## 免登录下载链接 ### slanCM ![输入图片说明](slanCM/gallery/_demo5_2.png) 链接: https://pan.baidu.com/s/1hlbWZ2N4A2RWm5wxkE_R5A?pwd=slan 提取码: slan \ 引用格式：Zhaoxu Liu / slandarer (2023). 200 colormaps (https://www.mathworks.com/matlabcentral/fileexchange/120088-200-colormaps), MATLAB Central File Exchange. 检索来源 2023/1/14. ### nclCM ![输入图片说明](nclCM/covor.png) 链接：https://pan.baidu.com/s/1s7WTRsQfUahufk6hVUuFRA?pwd=slan \ 提取码：slan \ ### slanCL ![输入图片说明](slanCL/_1.gif) ![输入图片说明](slanCL/cover.png) 链接: https://pan.baidu.com/s/1l5KHsTWb4esxeWux4MCnTA?pwd=slan \ 引用格式：Zhaoxu Liu / slandarer (2023). 2000 palettes (https://www.mathworks.com/matlabcentral/fileexchange/126969-2000-palettes), MATLAB Central File Exchange. 检索来源 2023/3/28. ### scientific colormap 7 ![输入图片说明](ScientificColourMaps7/+ScientificColourMaps_FabioCrameri.png) 链接：https://pan.baidu.com/s/1rPgKAuhs7VQ4Fr73jMVmUw?pwd=slan \ 提取码：slan \ 引用格式：Crameri, Fabio. (2021). Scientific colour maps (7.0.1). Zenodo. https://doi.org/10.5281/zenodo.5501399 ## colormap中心点重置 + setColormapPivot(n) + setColormapPivot(ax,n) ```matlab imagesc(peaks(1000)+1) colormap([pink;flipud(bone)]) colorbar % 调整颜色图中点位置 setColormapPivot(7) ``` ![输入图片说明](setColormapPivot/demo1_0.png) ![输入图片说明](setColormapPivot/demo1_1.png) ```matlab function setColormapPivot(varargin) % Directly manipulate an existing colormap % by shifting its center to a specified value. % ========================================================================= % Basic usage : supporting 4 calling patterns: % 1. setColormapPivot() -> use current axes(gca) , pivot move to 0 % 2. setColormapPivot(ax) -> use specified axes , pivot move to 0 % 3. setColormapPivot(value) -> use current axes(gca) , pivot move specified value % 4. setColormapPivot(ax, value) -> use specified axes , pivot move specified value % ========================================================================= switch nargin case 0, ax = gca; value = 0; case 1 if isa(varargin{1},'matlab.graphics.axis.Axes') ax = varargin{1}; value = 0; else ax = gca; value = varargin{1}; end case 2, ax = varargin{1}; value = varargin{2}; end % - R2014b+ : 'CLim' % - Older : 'ColorLimits' if isprop(ax, 'CLim') CLim = ax.CLim; else CLim = ax.ColorLimits; end CLen = [value - CLim(1), CLim(2) - value]; CMap = colormap(ax); N = size(CMap, 1); % ========================================================================= % Algorithm based on colormap size: % ------------------------------------------------------------------------- % Small colormaps (< 120 colors) : Use integer-ratio-based sampling % Large colormaps (>= 120 colors) : Use continuous interpolation % ------------------------------------------------------------------------- % The threshold 120 is empirically chosen for optimal visual quality. % ========================================================================= if N < 120 % If the specified value falls within the color limits. if all(CLen > 0) D = min(300, round(5e3/N)); [CV, CI0] = sort(CLen); [RN, RD] = rat(round(CV(1)/CV(2).*D)./D); if RD ~= 1 R = [RN, RD]; R = R(CI0); CL1 = CMap(1:floor(N/2), :); CL2 = CMap((floor(N/2) + 1):end, :); if mod(N, 2) ~= 0 CL3 = CL2(1,:); CL2(1,:) = []; CI1 = kron((1:size(CL1, 1))', ones(R(1)*2, 1)); CI2 = kron((1:size(CL2, 1))', ones(R(2)*2, 1)); CMap = [CL1(CI1, :); repmat(CL3, [R(1) + R(2), 1]); CL2(CI2,:)]; else CI1 = kron((1:size(CL1, 1))', ones(R(1), 1)); CI2 = kron((1:size(CL2, 1))', ones(R(2), 1)); CMap = [CL1(CI1, :); CL2(CI2, :)]; end end else CL1 = CMap(1:floor(N/2), :); CL2 = CMap((floor(N/2) + 1):end, :); CI1 = kron((1:size(CL1, 1))', ones(2, 1)); CI2 = kron((1:size(CL2, 1))', ones(2, 1)); CL1 = CL1(CI1, :); CL2 = CL2(CI2, :); if length(CL2) > length(CL1) CL1(end + 1, :) = CL2(1, :); CL2(1, :) = []; end if CLen(1) <= 0 % Pivot at or below minimum CMap = CL2; % Use right half only else % Pivot at or above maximum CMap = CL1; % Use left half only end end else VRat = (value - min(CLim))/abs(diff(CLim)); OInd = linspace(0, 1, N).'; NInd = OInd.*0; LBool = OInd <= VRat; RBool = OInd >= VRat; NInd(LBool) = .5.*OInd(LBool)./VRat; NInd(RBool) = .5.*(OInd(RBool) - VRat)./(1 - VRat) + .5; CMap = interp1(OInd, CMap, NInd, 'linear'); CMap = max(0, min(1, CMap)); end colormap(ax, CMap); end ``` ## 非等据颜色分割 将任意比例点放置在任意数值处： ```matlab function setCMapRatio(varargin) % @author:slandarer if nargin==2 ax=gca; oriRatio=sort(varargin{1}); breakPnt=sort(varargin{2}); elseif nargin==3 ax=varargin{1}; oriRatio=sort(varargin{2}); breakPnt=sort(varargin{3}); end % 原始数据处理 CLimit=get(ax,'CLim'); breakPnt=[CLimit(1),breakPnt,CLimit(2)]; newRatio=diff(breakPnt); oriCMap=colormap(ax); CLen=size(oriCMap,1); newRatio=newRatio./diff([0,oriRatio,1]); newRatio=round(newRatio./max(newRatio).*400); oriRatio=[oriRatio,1]; % 最开始部分颜色条构造 tempCMap=oriCMap(1:ceil(oriRatio(1).*CLen),:); CInd2=kron((1:size(tempCMap,1)-1)',ones(newRatio(1),1)); newCMap=tempCMap(CInd2,:); CInd3=oriRatio(1).*CLen-size(tempCMap,1)+1; CInd3=round(CInd3.*newRatio(1)); newCMap=[newCMap;repmat(tempCMap(end,:),[CInd3,1])]; % 循环添加新的颜色 for i=2:length(oriRatio) CInd1=round(newRatio(i).*(ceil(oriRatio(i-1).*CLen)-oriRatio(i-1).*CLen)); if abs(ceil(oriRatio(i).*CLen)-oriRatio(i).*CLen)>0 CInd2=ceil(oriRatio(i-1).*CLen)+1:ceil(oriRatio(i).*CLen)-1; else CInd2=ceil(oriRatio(i-1).*CLen)+1:ceil(oriRatio(i).*CLen); end CInd2=kron(CInd2',ones(newRatio(i),1)); CInd3=round(newRatio(i).*(oriRatio(i).*CLen-floor(oriRatio(i).*CLen))); if ceil(oriRatio(i).*CLen)==ceil(oriRatio(i-1).*CLen) CInd1=[]; CInd3=round(newRatio(i).*(oriRatio(i).*CLen-oriRatio(i-1).*CLen)); end newCMap=[newCMap; repmat(oriCMap(ceil(oriRatio(i-1).*CLen),:),[CInd1,1]); oriCMap(CInd2,:); repmat(oriCMap(ceil(oriRatio(i).*CLen),:),[CInd3,1])]; end colormap(ax,newCMap); end ``` 非等据刻度值生成： ```matlab function cbTick=getCBTick(ax) % @author:slandarer if nargin<1,ax=gca;end CMap=colormap(ax); [~,Cind,~]=unique(CMap,'rows'); Cind=sort(Cind); Cind=Cind(2:end)-1; CLimit=get(ax,'CLim'); N=size(CMap,1); Cind=Cind./N; cbTick=[CLimit(1);CLimit(1)+(CLimit(2)-CLimit(1)).*Cind;CLimit(2)]; end ``` 实例： ```matlab contourf(rand(10,10)) colormap([pink(11);flipud(bone(11))]) cb=colorbar; setCMapRatio([8/22,10/22,20/22],[.2,.5,.8]) % 添加非等距离标签 cb.YTick=getCBTick(gca); % 调节colorbar刻度长度(这句代码可删掉) cb.TickLength=.061; ``` ![输入图片说明](%E4%B8%8D%E7%AD%89%E8%B7%9D%E9%A2%9C%E8%89%B2%E5%88%86%E5%89%B2/demo2_2.png) ## 自然配色 ![输入图片说明](%E8%87%AA%E7%84%B6%E9%85%8D%E8%89%B2/cover1.png) ![输入图片说明](%E8%87%AA%E7%84%B6%E9%85%8D%E8%89%B2/cover4.png) 链接：https://pan.baidu.com/s/1BzLWKmujs2tSGBEdeZaWVA?pwd=slan \ 提取码：slan