Question on OpenMap Scale vs. Meters Per Pixel

Hello,

Okay, I'm confused about something that's
probably simple...

I read in the FAQ that OpenMaps scale
parameter is in pixels per meter. I'm trying
to display a raster image that has a scale
expressed in pixels per meter. So I thought
I'd just set the scale to the recprical but they
just don't line up. Is there some other factor
to take into consideration?

Here's some more info:

image projection: Equal Distantant Cylindrical
image scale 100 meters per pixel

After playing around with different scales, I can
get it to "kinda" match up with OpenMap set to

projection: LLXY
scale: 325,000 pixels per meter.

I', not exactly a map guru but can somebody out
there shed any light?

Thanks in advance.
--scottie

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