On Jan 8, 2008 1:07 PM, Andy Allan <<a href="mailto:gravitystorm@gmail.com">gravitystorm@gmail.com</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><div></div><div class="Wj3C7c">On Jan 8, 2008 12:39 PM, 80n <<a href="mailto:80n80n@gmail.com">80n80n@gmail.com</a>> wrote:<br>> Folks<br>> I've been experimenting with a different method of generating lowzoom tiles
<br>> for tiles@home.<br>><br>> The approach I am taking is to use the old tile stitching method coupled<br>> with a separate place name layer.<br>><br>> The tile stitching starts with a layer of z12 tiles that are the same as
<br>> normal z12 tiles except the main roads are about 50% thicker and it there<br>> are no place names. You can get a rough idea of what that will look like by<br>> looking at the the current lowzoom tiles for the US - most of it was
<br>> rendered using the old stitching method before many place names had been<br>> added.<br>><br>> I then propose a separate transparent layer for place names. This<br>> potentially allows for multiple name layers for different scripts and
<br>> languages. I've heard some comments that transparent layers are not a good<br>> solution - I'd be interested in understanding the pros and cons of doing<br>> this. The alternative is to merge the transparent layer with the lowzoom
<br>> tiles using Image Magick, which would achieve the same visual result but<br>> without the ability to dynamically switch the language.<br>><br>> I've started doing some test renderings in the south of England, although
<br>> there is not really enough there yet to get a good feel for what it would<br>> look like:<br>><br>> <a href="http://www.informationfreeway.org/?lat=50.87948576831506&lon=-0.8263735442015004&user=80n&zoom=11&layers=0000F00BT" target="_blank">
http://www.informationfreeway.org/?lat=50.87948576831506&lon=-0.8263735442015004&user=80n&zoom=11&layers=0000F00BT</a><br>><br>> At this stage I'd appreciate any comments or suggestions.<br><br></div>
</div>I'd prefer everything to be embedded onto the tiles themselves, since<br>it makes it much easier for people like me reusing the tah tiles on<br>other maps.<br></blockquote><div><br>If necessary we could do it both ways.
<br><br><br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>Cheers,<br><font color="#888888">Andy<br></font></blockquote></div><br>