How to label a colormap
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I would like to label a colormap with text to indicate what it represents, and the min and max values. My plots come out inconsistant and repeat the labels I want. For example, I might want the min value on the bottom of a vertical colormap, the max value at the top and the word 'Trec' in the middle. Here is my code to date but the colorbar produced shows from top to bottom: "Trec -50 40 Trec -50" instead of the desired "50 Trec -40"
colormap(jet); %defines bype of color map for points in scatter plot
cmin = -50; cmax = 40; V=[cmin, cmax];
caxis(V); %set color map range
subplot(2,1,1) %scatter plot
scatter(newData1.data(:,RH_TAM_col),newData1.data(:,RH_CIT_col),10,newData1.data(:,6))
hcb = colorbar('YTickLabel', {num2str(cmin),'Trec', num2str(cmax)}); %add colorbar scale to plot
set(hcb,'YTickMode','manual'); %colorbar handle hcb. Keep color bar labels from changing when resizing.
grid on
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Walter Roberson
2012년 9월 2일
You need to set the YTick as well, or else the number of ticks will usually not match the number of labels you have provided.
Note: if you do supply YTick, then YTickMode will be set to 'manual' on your behalf.
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