Monthly Archives: March 2008

More cyclemap stuff

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As usual, when the frequency of posts declines here, that just means there’s more interesting things going on in the real world! I’ve also been trying to avoid writing yet another OSM post, but hey-ho, here’s an update on the cycle map.

Lots more areas are now rendered since I blogged a month ago. Lyon, Vienna, Toronto, Vancouver, Antwerp, Almere, Neuss, Frankfurt, Furth, Karlsruhe, Berlin, Leuven, Bonn and Sydney have all been added along with overviews of some other countries. If there’s somewhere else that you reckon could do with some more zoom levels, just leave a comment or send me an email.

Shelters are now rendered as can be seen in the forests near Bonn, and bike parking has been changed so that small capacity cycle stands show up as blue dots and only larger capacity bike parking areas show quite so predominantly! Previously, it could get quite cluttered as you can see when Tom Chance mapped the cycle parking around the parliament buildings in London. The changes were only partially implemented (or more accurately, I messed up some of the mapnik rules :-) ) so you’ll need to wait a couple of days to see them working properly.

Also fixed was a UTF8 bug in the relations-handling code that meant that some recently-added routes weren’t showing up properly at low zoom levels. We’ve also moved all the contours to the postgis database and stopped pre-rendering them – it turns out the IO hit of loading the transparent contour tiles from disk is greater than just re-rendering them for high zoom levels, and since most of the tiles are high zoom, that’s where the time matters most.

Wacom Digitizer tablet on an HP 2710p with Ubuntu Gutsy (and Hardy) works fine

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This is the latest in my series of “I spent so long searching on google for this, trawling through out of date nonsense to eventually twig the right answer to this problem” blog posts.

If you are running Ubuntu linux 7.10 (also known as Gutsy Gibbon) and are trying to get the Wacom tablet functions of an HP 2710p tablet to work, then hopefully you won’t waste about 6 hours trying. Or if you’re lucky, you also spend 6 hours of your employer’s time trying to figure it out, and it won’t seem so bad. Ahem.

Alternatively, to get the digitizer working quickly, simply edit the xorg configuration by running “sudo nano /etc/X11/xorg.conf”, scroll down to the bottom, and where it says “Uncomment if you have a Wacom tablet” simply remove the # signs from the next three lines. It’s really that easy. I would say annoyingly easy.

Maybe you followed all the other stuff and got as far as trying to run “wacdump -f c100 /dev/ttyS0″ or “wacdump -f c100 /dev/input/wacom” or “wacdump -f c100 /dev/event0″ but they are all wrong. Variations on the wacdump theme might get you “WacomOpenTablet: Connection timed out” but that’s a red herring too. It’s actually “wacdump -f tpc /dev/input/wacom”, and you don’t actually need to setserial or compile tc1100ts.c or anything else. Hopefully the Ubuntu guys will figure out how to detect that there’s a Wacom tablet and do the uncommenting automagically for Hardy or later, but if not perhaps this’ll help. I’ve no idea if this will help for Fedora or SuSE or anything else, but if it does, feel free to let everyone know in the comments.

Update: Hardy 8.04

For anyone who is trying on Hardy, it works fine too. At the time of writing you just have to copy some stuff into /etc/X11/xorg.conf and restart the X server. No recompilation or anything like that. Add three more input devices, and then add the activation within the section ServerLayout. So actually marginally more difficult than it was in Gutsy, since the code used to be there ready and waiting.

Section “InputDevice”
Driver “wacom”
Identifier “stylus”
Option “Device” “/dev/input/wacom”
Option “Type” “stylus”
Option “ForceDevice” “ISDV4″# Tablet PC ONLY
EndSection

Section “InputDevice”
Driver “wacom”
Identifier “eraser”
Option “Device” “/dev/input/wacom”
Option “Type” “eraser”
Option “ForceDevice” “ISDV4″# Tablet PC ONLY
EndSection

Section “InputDevice”
Driver “wacom”
Identifier “cursor”
Option “Device” “/dev/input/wacom”
Option “Type” “cursor”
Option “ForceDevice” “ISDV4″# Tablet PC ONLY
EndSection

Section “ServerLayout”
Identifier “Default Layout”
Screen “Default Screen”
InputDevice “Synaptics Touchpad”
InputDevice “stylus” “SendCoreEvents”
InputDevice “cursor” “SendCoreEvents”
InputDevice “eraser” “SendCoreEvents”
EndSection