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gforget |
1.1 |
function [myColorbar]=gcmfaces_cmap_cbar(vecLimCol,varargin); |
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%object : non linear colormap + colorbar |
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%inputs : vecLimCol, vector of color intervals |
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gforget |
1.2 |
%optional: optional paramaters take the following form {'name',param1,param2,...} |
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% the two that are currently active are |
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% {'myCmap',myCmap} is the colormap name ('jet' by default) |
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% {'myBW',myBW} put white/black at colorbar edges/center (0 by default) |
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gforget |
1.1 |
%output : myColorbar, the colorbar handle |
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% |
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gforget |
1.2 |
%notes: - myBW==0 does nothing; myBW~=0 modifies the colormap as follows |
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% myBW==1; blanks the center of colorscale |
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% myBW==2; blacks the low&high ends and blanks the middle |
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% myBW==-1; blanks the low end |
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% myBW==-2; blacks the low end and blanks the high end |
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% - to remove a resulting colorbar, type delete(myColorbar); |
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% - since this routine regenerates the colormap according to |
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% vecLimCol and there can be only one colormap per figure, you |
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% dont want to change vecLimCol from one subplot to the next. |
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% - the colorbar position is hard coded (for now) as 'to the right |
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% of the parent axis'. You can change it via the myColorbar handle. |
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% - the colormap density is hard coded (for now). It may need to |
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% be increased if you specify a very non-linear colormap such as |
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% [[0:0.5:4] [5:10] [20 30 50 100 500]]; spanning 3 orders of magnitue |
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gforget |
1.3 |
if isempty(vecLimCol); myColorbar=colorbar; return; end; |
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gforget |
1.2 |
%set optional paramaters to default values |
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myCmap='jet'; myBW=0; |
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%set more optional paramaters to user defined values |
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for ii=1:nargin-1; |
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if ~iscell(varargin{ii}); |
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warning('inputCheck:gcmfaces_cmap_cbar_1',... |
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['As of june 2011, gcmfaces_cmap_cbar expects \n'... |
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' its optional parameters as cell arrays. \n'... |
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' Argument no. ' num2str(ii+1) ' was ignored \n'... |
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' Type ''help gcmfaces_cmap_cbar'' for details.']); |
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elseif ~ischar(varargin{ii}{1}); |
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warning('inputCheck:gcmfaces_cmap_cbar_2',... |
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['As of june 2011, gcmfaces_cmap_cbar expects \n'... |
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' its optional parameters cell arrays \n'... |
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' to start with character string. \n'... |
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' Argument no. ' num2str(ii+1) ' was ignored \n'... |
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' Type ''help gcmfaces_cmap_cbar'' for details.']); |
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else; |
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if strcmp(varargin{ii}{1},'myCmap')|... |
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strcmp(varargin{ii}{1},'myBW'); |
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eval([varargin{ii}{1} '=varargin{ii}{2};']); |
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else; |
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warning('inputCheck:gcmfaces_cmap_cbar_3',... |
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['unknown option ''' varargin{ii}{1} ''' was ignored']); |
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end; |
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end; |
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end; |
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gforget |
1.1 |
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%vecLimCol must be strickly increasing : |
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tmp1=vecLimCol(2:end)-vecLimCol(1:end-1); |
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if ~isempty(find(tmp1<=0)); fprintf('please use increasing values \n'); |
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myColorbar=-1; return; end; |
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%original colormap precision : |
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%nb_colors=64*3; |
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tmp1=min(vecLimCol(2:end)-vecLimCol(1:end-1)); |
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tmp2=vecLimCol(end)-vecLimCol(1); |
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tmp3=ceil(tmp2/tmp1/64); |
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nb_colors=64*10*tmp3; |
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%nb_colors=64*500*tmp3; |
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%colormap and caxis : |
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gforget |
1.2 |
if ~isempty(strfind(myCmap,'FLIP')); |
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eval(['tmp_map=colormap(' myCmap(5:end) '(nb_colors));']); |
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gforget |
1.1 |
tmp_map=flipdim(tmp_map,1); |
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else; |
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gforget |
1.2 |
eval(['tmp_map=colormap(' myCmap '(nb_colors));']); |
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gforget |
1.1 |
end; |
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tmp_val=[vecLimCol(1) vecLimCol(end)]; |
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tmp_val=[tmp_val(1) : (tmp_val(2)-tmp_val(1))/(nb_colors-1) : tmp_val(2)]; |
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caxis([tmp_val(1) tmp_val(end)]); |
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%subset of colours : |
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tmp_colors=round( [1:length(vecLimCol)-1] * nb_colors/(length(vecLimCol)-1) ); |
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tmp_colors(1)=1; tmp_colors(end)=nb_colors; |
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tmp_colors=tmp_map(tmp_colors,:); |
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%final colormap : |
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tmp_map2=tmp_map; |
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for kkk=1:nb_colors |
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tmp1=min(find(vecLimCol>=tmp_val(kkk))); |
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if isempty(tmp1) |
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tmp_map2(kkk,:)=tmp_colors(end,:); |
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elseif tmp1==1 |
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tmp_map2(kkk,:)=tmp_colors(1,:); |
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elseif tmp1==length(vecLimCol) |
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tmp_map2(kkk,:)=tmp_colors(end,:); |
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else |
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tmp_map2(kkk,:)=tmp_colors(tmp1-1,:); |
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end |
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end |
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%to blank the center of colorscale: |
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gforget |
1.2 |
if myBW==1; |
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gforget |
1.1 |
tmp1=tmp_map2(floor(length(tmp_map2)/2),:); |
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tmp2=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp_map2(tmp2,:)=1; |
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end; |
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%to black the lowest/highest range and blank the middle range: |
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%=> if problem with colormap==gray ... |
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gforget |
1.2 |
if myBW==2; |
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gforget |
1.1 |
tmp1=tmp_map2(1,:); |
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tmp2=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp1=tmp_map2(end,:); |
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tmp3=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp_map2(tmp2,:)=0; |
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tmp_map2(tmp3,:)=0; |
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tmp1=tmp_map2(floor(length(tmp_map2)/2),:); |
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tmp2=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp_map2(tmp2,:)=1; |
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end; |
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%to blank the lowest range: |
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gforget |
1.2 |
if myBW==-1; |
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gforget |
1.1 |
tmp1=tmp_map2(1,:); |
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tmp2=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp_map2(tmp2,:)=1; |
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end; |
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%to black the lowest range and blank the highest range: |
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%=> if problem with colormap==gray ... |
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gforget |
1.2 |
if myBW==-2; |
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gforget |
1.1 |
tmp1=tmp_map2(1,:); |
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tmp2=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp1=tmp_map2(end,:); |
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tmp3=find(sum(abs(tmp_map2-ones(length(tmp_map2),1)*tmp1),2)==0); |
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tmp_map2(tmp2,:)=0; |
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tmp_map2(tmp3,:)=1; |
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end; |
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colormap(tmp_map2); |
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%colorbar : |
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aaa=gca; |
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tmp1=get(aaa,'Position'); tmp1=[sum(tmp1([1 3]))+0.01 tmp1(2) 0.02 tmp1(4)]; |
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%tmp1=get(aaa,'Position'); tmp1=[sum(tmp1([1 3])) tmp1(2) 0.01 tmp1(4)]; |
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myColorbar=axes('position',tmp1); |
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% set(myColorbar,'Position',[0.915 0.26 0.03 0.52]);%to account for m_map |
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set(myColorbar,'Position',tmp1);%to account for m_map |
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tmp1=[1:2]'*ones(1,length(vecLimCol)); |
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tmp2=[1:length(vecLimCol)]; tmp2=[tmp2;tmp2]; |
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tmp3=[0.5*( vecLimCol(2:end)+vecLimCol(1:end-1) ) vecLimCol(end)]; tmp3=[tmp3;tmp3]; |
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pcolor(tmp1,tmp2,tmp3); caxis([vecLimCol(1) vecLimCol(end)]); |
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set(myColorbar,'YAxisLocation','right'); |
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set(myColorbar,'XTick',[]); |
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set(myColorbar,'YTick',[1:length(vecLimCol)]); |
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%straight labels: |
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%--------------- |
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if 1; |
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%set(myColorbar,'YTickLabel',num2str(vecLimCol')); |
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% tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%5.1e',vecLimCol(kcur))); end; |
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%%tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%i',vecLimCol(kcur))); end; |
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%tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.3f',vecLimCol(kcur))); end; |
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tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.2f',vecLimCol(kcur))); end; |
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% tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.2g',vecLimCol(kcur))); end; |
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% tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.0f',vecLimCol(kcur))); end; |
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% tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%4.3f',vecLimCol(kcur))); end; |
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%%tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%5.4f',vecLimCol(kcur))); end; |
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%tmp2(1,:)=' '; tmp2(end,:)=' '; %do not display the last value, as it can be exceeded |
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else; |
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test1=max(abs(round(vecLimCol)-vecLimCol)); |
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test2=max(abs(round(vecLimCol*100)-vecLimCol*100)); |
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if ~test1; |
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tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.0f',vecLimCol(kcur))); end; |
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elseif ~test2; |
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tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.2f',vecLimCol(kcur))); end; |
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else; |
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test3=1; ii=abs(ceil(log10(max(abs(vecLimCol))))); |
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while test3>1e-6; |
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test3=max(abs(round(vecLimCol*10^ii)-vecLimCol*10^ii)); |
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if test3>1e-6; ii=ii+1; end; |
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end; |
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tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.0f',vecLimCol(kcur)*10^ii)); end; |
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title(['x 10^{-' num2str(ii) '}'],'FontSize',16); |
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end; |
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tmp2(1,:)=' '; tmp2(end,:)=' '; %do not display the last value, as it can be exceeded |
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end |
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tmp2(1,:)=' '; %do not display the first value |
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tmp2(end,:)=' '; %do not display the last value |
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%scaled labels: |
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%------------- |
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if 0; |
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vecLimCol2=floor(log10(max(abs(vecLimCol)))); |
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fprintf(['cbar labels in 10^' num2str(vecLimCol2) '\n']); |
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vecLimCol2=vecLimCol*10^(-vecLimCol2); |
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tmp2=''; for kcur=1:length(vecLimCol); tmp2=strvcat(tmp2,sprintf('%3.2f',vecLimCol2(kcur))); end; |
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end; |
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set(myColorbar,'YTickLabel',tmp2); |
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axes(aaa); |
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