You can specify the following options in the GOPTIONS statement to configure Web presentations that were generated with the GIFANIM device driver.
ITERATION= iteration-count
specifies the number of times to repeat the animation loop, or that the loop repeats continuously. The default value of 0 continues the animation indefinitely (until the Web user selects Stop or displays another Web page in the Web browser). Specifying a number greater than 0 repeats the animated sequence for the specified number of iterations, and then continuously displays the last image in the sequence, unless the DISPOSAL= graphics option specifies otherwise .
GSFMODE=REPLACE APPEND
specifies whether the graphics output should replace the contents of an existing file or be appended to it. In this case, the value of REPLACE specifies that the device driver is to write a GIF header. Use the GSFMODE= option to specify when to write the GIF header. Specify REPLACE before you generate the first GIF image, then specify APPEND in a second statement before you generate the rest of the images.
DELAY= delay-time
specifies the amount of time that each image is displayed, in hundredths of a second. For example, a value of 1 specifies a delay of 0.01 seconds. The default value is 0.
DISPOSAL=NONE BACKGROUND PREVIOUS UNSPECIFIED
specifies how the image sequence is to be displayed.
NONE
superimposes the images in the sequence, without removing any of them from the screen. This is the default value.
BACKGROUND
restores the background color before displaying the next image.
PREVIOUS
replaces the current image with the previous image before displaying the next image.
UNSPECIFIED
takes no further action before displaying the next image.
XPIXELS= horizontal- size
YPIXELS= vertical-size
specify the size of the images in the sequence.
USERINPUT NOUSERINPUT
allows or does not allow user input during image animation if user input is supported by the browser displaying the animation.
TRANSPARENCY NOTRANSPARENCY
specifies whether the background of the image should be replaced by the background color of the Web browser.