----- Original Message ----- From: "Jonathan Osuch" <osuchj@avalon.net> To: "Fractint and General Fractals Discussion" <fractint@mailman.xmission.com> Sent: 27 November, 2005 19:21 Subject: Re: [Fractint] Disk video/ram
On Sun, 2005-11-27 at 14:18 -0800, David Fisher wrote:
Thank you for your response. Attached are the six fractals concerned. I tested the par files and they display on my system, the originals being created at SF7 resolution. Also attached is a copy of my fractint.cfg which might be useful. Other info possibly useful: chip: AMD 64 3200+ 1.84Ghz clock 1.00Gb ram OS: MS DOS 6.2 on removeable bootable HD. No windows present on system when fractint is running.>
What you are seeing is Fractint switching to floating point math when either the X or Y resolution is larger than 2048.
Why that happens has to do with whether the pixel values are pre-generated in a grid, or the pixel values are generated on the fly. The value of 2048 was arbitrarily chosen (so it might be possible to change it) as an indication that the grid would be too large to fit into the available memory. This is memory in a specific location and of a specific size (32 Kbytes, I think), which is shared with the graphics modes.
Jonathan
Ooookayyy, I think. But before I go any further with this I just want to posit that I am just "joe six-pack", not a programmer so if I get stupid bear with me. Thx Now,,,,,I understand somewhat, generally, what the problem is. Is there someway I can change the limiting value, and possibly the specific memory size, without a smoke and burn? I have rooooom on my hard drive to spare, as well as partitions to logical G, if that is where the 32Kbytes is placed I am willing to use an whole partition if necessary. I really need to get rid of the jaggies on the arcs. I have a printer which will handle up to 4800x4800, but not enough lifetime remaining to utilize it, so the 25xx 20xx resolution is a compromise, and a good one if I can make use of it. With proper information I am willing to try any fix, apprehension is not a factor; I am just smart enough NOT to mess with memory unless it is a stick. If you know what to do I would appreciate any information. Or point me in the direction I need to go and allow me to ask questions for clarity before I really screw it up. I am really anxious to fix this if I can. Thanks again for your time and effort. btw: What did you think of the pix? Or could you tell the problem just from looking at the pars? Later, David M Fisher sunfish@intercom.net
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