[Merkaartor] Possible regression in Shapefile import

[Chris Browet]

Now solved.

- Chris -

On Thu, Aug 26, 2010 at 23:42, Chris Browet <cbro at semperpax.com> wrote:

> Certainly due to code I added for shapefiles without projection...
>
> I handle that asap.
>
> - Chris -
>
>
> On Thu, Aug 26, 2010 at 20:59, Toby Speight <T.M.Speight.90 at cantab.net>wrote:
>
>> I've recently returned to working with OS OpenData vector files, and I'm
>> seeing odd behaviour:
>>
>> * When importing, I'm now faced with a dialog box for each file asking
>>  what SRS the data file uses.  This is annoying, as the shapefiles
>>  have the correct projection inside (it does help that the correct
>>  projection is pre-selected).
>>
>> * It doesn't matter what I enter in the dialog box, Merkaartor reads the
>>  file using the correct projection from the file, but the datum is off
>>  (lines appear offset from StreetView data by tens of metres; it looks
>>  like it's assuming WGS84 datum).  We used to have code to avoid this
>>  datum problem, but I don't see the diagnostic on the terminal (though
>>  it may easily get lost amidst the spew of redraw stuff).
>>
>> Neither of these behaviours occurred a month or so ago when I was last
>> editing OS data.
>>
>> My current workaround is to use ogr2ogr to transform the input to WGS84
>> and to combine multiple files into one, but it's not really satisfactory -
>> the OpenData set comprises thousands of files, and I'm pretty sure I don't
>> have the necessary 20GB spare to keep a transformed copy around :-(
>>
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>>
>
>
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