How to fix the event density within bins?
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Hi everyone,
My script is working well, but i unable to descritize within each bin.
Here is my script:
clear all
clc
data_cat=readmatrix('data.csv'); %
data_lat=data_cat(:,1);
data_long=-1*data_cat(:,2);
data=[data_long data_lat];
figure;
resolution = [90, 90];
[n, q] = hist3(data, resolution);
imagesc(q{:}, n');
xlabel('Longitude (W{\circ})')
ylabel('Latitude (N{\circ})')
xlim([-130.05 -129.95])
ylim([45.9 46])
yticks(45.9:0.05:46);
colorbar
set(gca,'ColorScale','log')
a = colorbar;
a.Label.String = 'Event count';
view(2)
set(gca, 'YDir','normal')
here is what i get
here is what , I am looking for (e.g. grid lines at an interval of 0.01)
Thank you!
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Antworten (1)
dpb
am 25 Jun. 2022
If you want 10 bins each direction, then change the resolution to match; your code use 90 in each direction which will give the much finer/smaller individual squares.
You can use grid on to draw the grids, setting
hAx.GridLineStyle
hAx.GridColor
hAx.GridAlpha
will let you customize the apperance. Major grid lines show only on tick values; you'll set the tick values at the locations wanted; you may then want to set the tick labels independently. I'd also then set the
xtickformat('%0.2f'); ytickformat('%0.2f')
so get same precision displayed on all tick labels -- this just irritates me no end isn't done by default; it's just plain ugly as is with the default '%g'
I didn't experiment to see with your ranges if you just might get lucky and get the other gridlines with minor ticks where you want them; unfortunately, you can't control the number nor placement of them; they're either on or off and the number between major ticks is internally generated.
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