Hi Bob. I'm not an expert at this by far but I can explain a little bit the scale. Let's say you have the area you want shown in the map and change the scale value. The resulting image will be larger or smaller depending on scale, and will show more or less detail depending on the size of that image.
Make sure when you look at the resulting image that your viewer program isn't automatically shrinking the image to fit on your screen. Verify that you're looking at it zoomed in all the way. Many web browsers and image viewers normally shrink your image to fit the screen, this could give the appearance that changing the scale didn't have any effect. To put it another way, the scale factor is like the difference between a thumbnail of an image and the full resolution image, they both look the same but one has much more detail and can be printed in a larger size. > > Message: 1 > Date: Thu, 30 Apr 2009 15:29:51 +0100 > From: "Bob Hawkins" <[email protected]> > Subject: [OSM-newbies] OSM export extract > To: <[email protected]> > Message-ID: <e543e23819304b4ca10982219f709...@aa5dd2bc175b45c> > Content-Type: text/plain; charset="iso-8859-1" > > I wish to use an extract of OSM to show an area from within which local > shops source their produce. The area I wish to display is 30 miles (50 > kilometres) radius.
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