Colormaps

5 次查看（过去 30 天）
Raldi
Raldi 2012-1-15
Hi everyone, i wasnted to know how can i use imshow to print a matrix "X" using diferent colormaps. X is a [256x512x3] matrix with values give from the code below
X=zeros(256,512,3);
for i=1:256
X(i,:,:)=i;
end
im=im2uint8(X);

请先登录，再回答此问题。

采纳的回答

Image Analyst
Image Analyst 2012-1-15
No. You are creating a true color RGB image, so colormaps are not applicable at all. Colormaps only apply to what MAtLAB calls "indexed" images, which are nothing more than a grayscale image with a pseudocolor look up table (a colormap) applied to it upon display.
  1 个评论
Raldi
Raldi 2012-1-15
yes my bad i forgot that, thanks for the reply

请先登录，再进行评论。

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Color and Styling 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by