[OSM-talk] will walkingpapers printed on black and white work?

Andy Robinson (blackadder-lists) ajrlists at googlemail.com
Fri Feb 26 11:14:07 GMT 2010

Simon Hewison wrote:
>Sent: 26 February 2010 10:55 AM
>To: talk at openstreetmap.org
>Subject: Re: [OSM-talk] will walkingpapers printed on black and white work?
>On 26/02/2010 08:25, maning sambale wrote:
>> Hi,
>> I am using walking-papers printed on black&  white laser printing but
>> I didn't tried uploading the scans (I don't have a scanner).  I simply
>> used the map as reference for my mapping.
>> My questions is:  If the map is printed on b/w will the rectification
>> work when it's uploaded in walking-papers.org?
>Yes, colour is not used for the recification. Also, It doesn't warp the
>images - it shouldn't have to (unless your printer and scanner have
>serious problems), it just reads the 2D barcode and works out what part
>of the world it was, and arranges the scan as suitably scaled tiles.
>I've found that it doesn't work too well if the scan is a low
>resolution, and it can't cope with PDF scans. Sadly, this means that the
>nice HP 9000 multi-function printer at work doesn't really work for it,
>despite it being A3.

But it's pretty easy to convert a PDF to a jpg, no?



More information about the talk mailing list