Plotting a 2D terrain

Hello,

How do I create a 2D plot from a array of data?

I have a square matrix [k,k]. How do I create a 2D Plot from the resulting matrix (T) and fill in different colors for each of the different heights (0, 1 & 2)?

Code thus far:

clear all close all

clc

k = input('Size of Matrix (k by k): '); %Enter in 10 for k

H0 = 0; H1 = 1; H2 = 2;

T = zeros([k, k]);

T(:,:) = H0; T(1:5,1:5) = H1; T(6:10,6:10)= H2;

disp(T);

Answer 1

[Star Strider]

This works:

k = 10;                 % Replace this with your ‘input’ line
T = zeros([k, k]);
H0 = 0; H1 = 1; H2 = 2;
T(:,:) = H0; T(1:5,1:5) = H1; T(6:10,6:10)= H2;

figure(1)
surf(T)
view([0  90])
axis tight
colormap(lines(3))
colorbar('YTick',[1/3 1 5/3], 'YTickLabel',{'0' '1' '2'})

produces: