What Is Logical Screen Descriptor?

1.	What Is Logical Screen Descriptor?
Answer» 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.

Answer»

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.

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