How can I plot grid lines on heat map?

Shao Yang Zhang

2021 6 29

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2 次查看（30 天）

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I've been working on identifying the cutoff points for the heat map generated with the elastic modulus and hardness plotted on the X, Y coordinates respectively. I'm currently working on using grid lines to separate the layers of interest in the heat map for further analysis and discussion but couldn't find resource to help get started. Can I get explanation for what the concept of grid line is and how it can be implemented to separate the layers of interest in heat maps? Here's the code that I have so far to generate the heat map:

N = 50;    %adjust as desired. This is the resolution.
Specimen_84 = readtable ('Specimen_84.xlsx');
X = Specimen_84{:,17};
Y = Specimen_84{:,18};
Hardness = Specimen_84{:,11};
Elastic_Modulus = Specimen_84{:,8};
tbl = table (X, Y, Hardness, Elastic_Modulus);
figure
h = heatmap(tbl, 'X', 'Y', 'Colorvariable', 'Elastic_Modulus');
figure
h = heatmap(tbl, 'X', 'Y', 'Colorvariable', 'Hardness');