Convert Scatter Points to a gray scale image

Hi everybody,

I have 10000 random 2d points(x,y).

Each point has an amplitude(z).

I want to show this points in an image with arbitary size. For example (200,200).

I will be so thankful if you help me.

Answer 1

[yanqi liu]

use imagesc to display

[Old Fox Sexy]

Thank you,

Ok,but how? data are random and amplitude is a vector.