Matlab drawing, editing axis axis, a scale facing

1. No display`x`Coordinate shaft scale

set(gca,'xtick',[]);

2. The scale of the coordinate axis is outward

set(gca,'TickDir','out')

3. Draw a single point

x=100;
y=100;
plot(x, y, '+')

4. The y -axis reverse (0 scales on the upper, increasing downward)

ax = gca; % current axes
ax.YDir = 'reverse';

5. Display the scale of the X -axis on the top

ax.XAxisLocation = 'top';

6. Only on the left, and the upper side display the labeling degree

ax.Box = 'off';

7. Set the restriction range of the current coordinate shaft X and Y axis

axis([xmin xmax ymin ymax])

8. Remove the border of Legend

legend（'boxoff'）

Example:

clear;
close all;
v=[3 3 6 6 5 5 7 7];
z=[0 2 2 10 10 12 12 20];
figure;
plot(v,z)
xlabel('P-VELOCITY KM/SEC');
ylabel('DEPTH IN KM');
ax = gca; % current axes
ax.YDir = 'reverse';
axis([2 9 0 20]);
ax.XTick = 2:1:9;
ax.YTick = 0:10:20
ax.XTickLabel = {'2','','4','','6','','8',''};
ax.XAxisLocation = 'top';
ax.TickDir = 'out';
ax.Box = 'off';
print('./V-Z.eps','-depsc')

7. Draw a picture without white edge with MATLAB

imshow(image,'border','tight')

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