colorbar in 3d patch

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zawaiter
zawaiter 2012-2-6
hi, iam using this function http://www.mathworks.cn/matlabcentral/fileexchange/28497-plot-a-3d-array-using-patch to plot 3D array,it did a great job,but since most of my data are in the range from 0 to 4,i wish i can edit the colorbar and fix it is upper and lower limits to 0 and 4,then any data value bigger than 4 mapped to 4,and data value less than zeros mapped to zero.i would like this change to compare my data values with color.plz some help

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回答（2 个）

Walter Roberson
Walter Roberson 2012-2-6
How about if you use
DataToPlot = min( max(YourData, 0), 4);
This will restrict your data to that range before going in to the plotting routine, which would be easier than editing the plotting routine.
zawaiter
zawaiter 2012-2-7
THANK YOU ROBERSON SO MUCH FOR ALL THE HELP,the problem is that my data have nans also and i want them to remain nans for 3d display.so i need something more like mydata(mydata > 4)=4; mydata(mydata < 0 && mydata ~=nan)=0; but i always get matlab error saying ??? Operands to the and && operators must be convertible to logical scalar values. any ideas?

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