create specific color map and save it
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how do i create my own color map for 2D-scatter plot.
such that all the values of z
- z <= 10 ------- take green color
- 10 < z <= 25 ----- yellow color
- 25 < z <= 50 ----- orange color
- z > 50 ----- red color
i want to create a color map obeying such condition and save it , so that i can use with whatever z i obtain in future.
as an example i have attached x,y,z
scatter(x,y,[],z,'filled','o')
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Ameer Hamza
2020년 5월 28일
Try this
val_z = (10:51).';
idx = 1*(val_z<=10) + ...
2*((10<val_z) & (val_z<=25)) + ...
3*((25<val_z) & (val_z<=50)) + ...
4*(val_z>50);
colors = [0 1 0; % green
1 1 0; % yellow
1 0.5 0; % orange
1 0 0]; % red
cmap = colors(idx, :);
scatter(x,y,[],z,'filled','o')
colormap(cmap)
set(gca, 'CLim', [10 51]);
댓글 수: 12
Ameer Hamza
2020년 5월 28일
I don't have any idea about this. Maybe something is mentioned in archived documentation, but the reason is not obvious.
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