Thanks for the quick reply sachafriffin.
Unfortunately I have never used the PTGUI software (although I have just downloaded it and will try to find my way around)
I have however managed to get an image that works and your limit suggestion was very helpful and has worked for me:
This leads me to my second question however. Now when the Flash version runs I get a load of
How should my image elements be set up so it uses cylinder for the flash and the cube for the html5?
Code
<image type="CYLINDER" multires="true" tilesize="512" progressive="true"> <level tiledimagewidth="27000" tiledimageheight="4840"> <cylinder url="half-original.tiles/l4/%v/l4_%v_%h.jpg" /> </level> <level tiledimagewidth="13500" tiledimageheight="2420"> <cylinder url="half-original.tiles/l3/%v/l3_%v_%h.jpg" /> </level> <level tiledimagewidth="6750" tiledimageheight="1210"> <cylinder url="half-original.tiles/l2/%v/l2_%v_%h.jpg" /> </level> <level tiledimagewidth="3376" tiledimageheight="606"> <cylinder url="half-original.tiles/l1/%v/l1_%v_%h.jpg" /> </level> </image><image type="CUBE" multires="true" tilesize="512"> <level tiledimagewidth="8594" tiledimageheight="8594"> <cube url="half-original.cube/half-original.tiles/mres_%s/l5/%v/l5_%s_%v_%h.jpg" /> </level> <level tiledimagewidth="4298" tiledimageheight="4298"> <cube url="half-original.cube/half-original.tiles/mres_%s/l4/%v/l4_%s_%v_%h.jpg" /> </level> <level tiledimagewidth="2150" tiledimageheight="2150"> <cube url="half-original.cube/half-original.tiles/mres_%s/l3/%v/l3_%s_%v_%h.jpg" /> </level> <level tiledimagewidth="1024" tiledimageheight="1024"> <cube url="half-original.cube/half-original.tiles/mres_%s/l2/%v/l2_%s_%v_%h.jpg" /> </level> <level tiledimagewidth="512" tiledimageheight="512"> <cube url="half-original.cube/half-original.tiles/mres_%s/l1/%v/l1_%s_%v_%h.jpg" /> </level> <mobile> <cube url="half-original.cube/half-original.tiles/mobile_%s.jpg" /> </mobile> </image>