[Loadstone] error when converting osm file

Shawn Kirkpatrick shawn at loadstone-gps.com
Sat Oct 17 23:06:14 BST 2009

Well, the last line of that traceback says memory error so I'd guess you're 
running out of memory. The tools try to pull the entire file in to ram to do 
the conversion. Just turning up your virtual ram size probably isn't going 
to work. You still need code in real ram in order to run.
The time out error with the php converter is probably because it's taking 
too long to convert and the browser times out waiting for it. To work with 
files the sizes you're trying will require lots of cpu power and memory.
Like I said before, your state is covered by the point share, at the very 
least you'll get all the intercections. The point share is our official data 
source, not osm. If you still need more than the point share can provide 
then at the very least tell your osm download to filter out what you already 
have. The data from point share is already in loadstone format so all you 
have to do is import it in to loadstone on the phone.
Try loading your data in reasonable chunks, start with your current city and 
load what you actually need. If you need all points running in loadstone for 
some reason then you can have it load multiple databases. You'll find the 
more data you load the slower it gets. Once the speed drops to an 
unacceptable level you'll learn just how much data you can have loaded at 
any given time. Remember loadstone is running on a cell phone, not a pc. You 
only have maybe a little over 300 mhz processor and limited memory to work 
with. Have a look at the loadstone docs for the recommended database sizes, 
we didn't just make those numbers up for fun, they have a good reason for 
being what they are.

On Sat, 17 Oct 2009, Josh wrote:

> Hi,
> Here is the error I'm getting with the python tool. when using the offline browser tools I get a browser time-out cannot display webpage error.
> C:\WINDOWS\system32\cmd.exe
> ERROR   : root --
> Traceback (most recent call last):
> File "osm.py", line 32, in <module>
> File "loadstone\osmconverter.pyo", line 131, in __init__
> File "lxml.etree.pyx", line 2698, in lxml.etree.parse (src/lxml/lxml.etree.c:4
> 9304)
> File "parser.pxi", line 1513, in lxml.etree._parseDocument (src/lxml/lxml.etre
> e.c:71191)
> File "parser.pxi", line 1543, in lxml.etree._parseFilelikeDocument (src/lxml/l
> xml.etree.c:71501)
> File "parser.pxi", line 1426, in lxml.etree._parseDocFromFilelike (src/lxml/lx
> ml.etree.c:70416)
> File "parser.pxi", line 997, in lxml.etree._BaseParser._parseDocFromFilelike (
> src/lxml/lxml.etree.c:67712)
> File "parser.pxi", line 539, in lxml.etree._ParserContext._handleParseResultDo
> c (src/lxml/lxml.etree.c:63588)
> File "parser.pxi", line 621, in lxml.etree._handleParseResult (src/lxml/lxml.e
> tree.c:64477)
> File "lxml.etree.pyx", line 230, in lxml.etree._ExceptionContext._raise_if_sto
> red (src/lxml/lxml.etree.c:6750)
> File "parser.pxi", line 363, in lxml.etree.copyToBuffer (src/lxml/lxml.etree.c
> :62063)
> MemoryError
> C:\loadstonetools>
> Josh
> www.satogo.com Get klango at www.klango.net it's free! Get NVDA www.nvda-project.org it's free! Grab Ubuntu at www.ubuntu.com it's free! and www.twitter.com/jkenn337 follow-me-on-twitter.

More information about the Loadstone mailing list