Make subplot 'stick' to each other

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Hannah
Hannah 2022-4-21
评论： Hannah 2022-4-26
Hi,
I am making a figure with several subplots (maps, specifically). Setting 'Position' will make each subplot very far away from each other since it is setting the outter boundary position. I tried using 'InnerPosition but it seems not working (don't know why, maybe because they are maps?).
How could I make the subplots stick to eachother? My code is also attached below.
fw = 0.5; % figure width
fh = 0.5 ; % figure height
L1 = 0; % row 1 from bottom;
L2 = L1+fh; % row 2 from bottom;
C1 = 0; % column from left
C2 = C1+fw; % column from left
Positions =[C1 L2 fw fh;
C2 L2 fw fh;
C1 L1 fw fh;
C2 L1 fw fh];
cbh = 0.015;
cbw = fw-0.1;
fhi = fw * (latmax-latmin)/(lonmax-lonmin) ; % inner figure height
ver_edge = (0.5-fhi)/2;
cbpos =[C1+0.05 1-0.5*ver_edge cbw cbh;
C2+0.05 1-0.5*ver_edge cbw cbh;
C1+0.05 L1+0.5*ver_edge cbw cbh;
C2+0.05 L1+0.5*ver_edge cbw cbh];
for ps = 1:4
subplot('Position',Positions(ps,:))
% skip other settings
cb1=colorbar('horizontal', 'fontsize',fz, 'fontweight', 'bold','Position',cbpos(ps,:)); % color bar definition; for later use
end

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采纳的回答

Hannah
Hannah 2022-4-25
Okay I see what is the problem. The aspect ratio (figure height / figure width) in worldmap is
((latmax-latmin)/180 )/((lonmax-lonmin)/360)
While what I did is (latmax-latmin)/(lonmax-lonmin). This doubled the aspect ratio therefore leaved lots of white space. Below is the corrected layout I got (without putting any data yet):

更多回答（1 个）

the cyclist
the cyclist 2022-4-21
编辑：the cyclist 2022-4-21
It might be easier to do what you want with the newer tiledlayout command for making subplots.
  4 个评论
显示 2更早的评论
Hannah
Hannah 2022-4-22
Hi there,
Yea I didn't post the entire code since it is super long. I just generated something that can run:
latmin = -45;
latmax = 65;
lonmin = -160;
lonmax = 168;
fw = 0.5; % figure width
fh = 0.5 ; % figure height
L1 = 0; % row 1 from bottom;
L2 = L1+fh; % row 2 from bottom;
C1 = 0; % column from left
C2 = C1+fw; % column from left
Positions =[C1 L2 fw fh;
C2 L2 fw fh;
C1 L1 fw fh;
C2 L1 fw fh];
cbh = 0.015;
cbw = fw-0.1;
fhi = fw * (latmax-latmin)/(lonmax-lonmin) ; % inner figure height
ver_edge = (0.5-fhi)/2;
cbpos =[C1+0.05 1-0.5*ver_edge cbw cbh;
C2+0.05 1-0.5*ver_edge cbw cbh;
C1+0.05 L1+0.5*ver_edge cbw cbh;
C2+0.05 L1+0.5*ver_edge cbw cbh];
fz = 10; % font size
for ps = 1:4
subplot('Position',Positions(ps,:))
worldmap([latmin latmax],[lonmin lonmax]);
setm(gca,'Grid','off','MapProjection','miller','parallellabel','off','meridianlabel','off')
% skip other settings
cb1=colorbar('horizontal', 'fontsize',fz, 'fontweight', 'bold','Position',cbpos(ps,:)); % color bar definition; for later use
end
So I usually adjust 'Position' parameter. But it never allows me to put all the subplots stick to each other. Because my maps are not perfect square, there is always space between the top and bottom panel. Do you see how to remove it?
Hannah
the cyclist
the cyclist 2022-4-22
Ran in:
It's definitely an issue with the map. I swapped in a normal plot, and it fills the space.
I don't have any experience with using worldmap, but it could be that a certain aspect ratio is enforced (perhaps because of the particular projection). That makes sense to me, because if you "stretch" only one dimension, you will no long obey the constraints of the projection.
latmin = -45;
latmax = 65;
lonmin = -160;
lonmax = 168;
fw = 0.5; % figure width
fh = 0.5 ; % figure height
L1 = 0; % row 1 from bottom;
L2 = L1+fh; % row 2 from bottom;
C1 = 0; % column from left
C2 = C1+fw; % column from left
Positions =[C1 L2 fw fh;
C2 L2 fw fh;
C1 L1 fw fh;
C2 L1 fw fh];
cbh = 0.015;
cbw = fw-0.1;
fhi = fw * (latmax-latmin)/(lonmax-lonmin) ; % inner figure height
ver_edge = (0.5-fhi)/2;
cbpos =[C1+0.05 1-0.5*ver_edge cbw cbh;
C2+0.05 1-0.5*ver_edge cbw cbh;
C1+0.05 L1+0.5*ver_edge cbw cbh;
C2+0.05 L1+0.5*ver_edge cbw cbh];
fz = 10; % font size
for ps = 1:4
subplot('Position',Positions(ps,:))
plot(rand(5))
% skip other settings
cb1=colorbar('horizontal', 'fontsize',fz, 'fontweight', 'bold','Position',cbpos(ps,:)); % color bar definition; for later use
end

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