Pcolor extract values of X,Y and C into one table?

Question

Rebecca Furlong 2021-1-18

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https://ww2.mathworks.cn/matlabcentral/answers/719910-pcolor-extract-values-of-x-y-and-c-into-one-table

回答： Hrishikesh Borate 2021-2-2

Hi, I have created a pcolor plot based on values that I have, I would like to extract the X, Y and C values into one table (preferably .txt or .csv), as I need to be able to open this data in GIS. I have been able to extract the data using the following code, but the problem I have is that it is three separate tables, is it possible to extract all three into one table?

hfig = openfig('myfig');

H = findobj(hfig,'type','surface');

x_data = get(H,'xdata');

y_data = get(H,'ydata');

c_data = get(H,'cdata');

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Answer 1

Hrishikesh Borate 2021-2-2

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https://ww2.mathworks.cn/matlabcentral/answers/719910-pcolor-extract-values-of-x-y-and-c-into-one-table#answer_612413

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Hi,

It is my understanding that you want to combine the data stored in variables x_data, y_data, c_data into a table and write that table to a .txt file.

Following is the code for the same.

X = [1 2 3; 1 2 3; 1 2 3];
Y = X';
C = [3 4 5; 1 2 5; 5 5 5];
hfig = pcolor(X,Y,C)
h = findobj(hfig,'type','surface');
x_data = get(h,'xdata');
y_data = get(h,'ydata');
c_data = get(h,'cdata');
T = table(x_data(:), y_data(:), c_data(:), 'VariableNames',{'X Data', 'Y Data', 'C Data'});
writetable(T,'MyFile.txt');