What is Logical Screen Descriptor? - GIF

What is Logical Screen Descriptor?

- It is always a second block in GIF file.

- An area of pixels usually referred as screen, is defined by LSD.

- GIF file size is defined by this area.

- When the logical screen is larger than the image, some space is displayed around the image.

- As per the size of the images, the logical screen size need to be set based on the width and height of the images.