For the record, ImageMagick/GraphicsMagick can build an MNG from a series of PNGs.
Say you have frame01.png, frame02.png, etc. and want a 100ms delay between each frame. The command to build the animation is:
convert -delay 100 frame*.png animation.mng
For the record, ImageMagick/ GraphicsMagick can build an MNG from a series of PNGs.
Say you have frame01.png, frame02.png, etc. and want a 100ms delay between each frame. The command to build the animation is:
convert -delay 100 frame*.png animation.mng