<div dir="ltr"><div><div>Marc,<br><br></div>You mean the tool for the BAG import? Well they must have rewritten it by now, as they are in 'maintenance' mode, nowadays. I haven't looked into it very deeply, it's simply something that occurred to me on their 'nieuwjaarsborrel'. They already have a tool that works and it could work for us as well if we can feed it our data.<br><br></div>Jo<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">2016-01-21 9:25 GMT+01:00 Marc Gemis <span dir="ltr"><<a href="mailto:marc.gemis@gmail.com" target="_blank">marc.gemis@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">You know that they usually threw away any data that was already there<br>
? I don't know whether the tool allowed you to do it better.<br>
<div class="HOEnZb"><div class="h5"><br>
On Thu, Jan 21, 2016 at 6:38 AM, Jo <<a href="mailto:winfixit@gmail.com">winfixit@gmail.com</a>> wrote:<br>
> About that CRAB import. In The Netherlands they already created a tool to<br>
> assist with that for their BAG import. I think we should look into reusing<br>
> that, adapted to the data we have available.<br>
><br>
> Polyglot<br>
><br>
> 2016-01-21 5:35 GMT+01:00 Marc Gemis <<a href="mailto:marc.gemis@gmail.com">marc.gemis@gmail.com</a>>:<br>
>><br>
>><br>
>> On Wed, Jan 20, 2016 at 5:19 PM, Jasper Michels <<a href="mailto:jaspermichels@gmail.com">jaspermichels@gmail.com</a>><br>
>> wrote:<br>
>>><br>
>>> It was mentioned that there exist free datasets for the flemish part.<br>
>>> (and cant we import the building outlines of Agiv?)<br>
>><br>
>><br>
>> At this moment someone is working on converting the GRB data into<br>
>> something that can be "easily" imported.<br>
>><br>
>> I've put "easily" between quotes, because it will still be a lot of work<br>
>> in areas where there are already buildings. The reason is that we should try<br>
>> to keep the history and data of the existing buildings. With data I mean POI<br>
>> info, heritage information, house name, 3D, building type, etc. Even when<br>
>> there is no information, it is polite to keep the names of the previous<br>
>> mappers in the history of the OSM way. I do not like an approach where all<br>
>> existing data is deleted.<br>
>><br>
>> I have been replacing old AND data and buildings that I had traced from<br>
>> Bing imagery with data based on AGIV aerial images and recently with GRB<br>
>> data. It is labor intensive.<br>
>><br>
>> The scenario that I follow is<br>
>><br>
>> * move the old house out of the way<br>
>> * redraw based on GRB<br>
>> * replace geometry of old building with new (from utilsplugin2). this<br>
>> keeps the history<br>
>> * drop source=AND<br>
>> * add building type based on aerial images and add address (address from<br>
>> AGIV) using housenumbertool<br>
>><br>
>> Sometimes (with a lot of connected houses), I just try to reshape the old<br>
>> building way, because moving all houses out of the way is more difficult.<br>
>><br>
>> With an import you do not have to do the drawing, but you still need to do<br>
>> the replace geometry. The other steps that you have to perform depends on<br>
>> the import data: is the building type correct ? is the address data already<br>
>> merged ?<br>
>><br>
>> Since this is so much work to correct, it's a pitty to see that some power<br>
>> mappers are rushing through the current address data and only add rough<br>
>> approximations of the buildings. L-shaped buildings become rectangles, in<br>
>> terraces half of the buildings are ignored. Correcting this afterwards,<br>
>> might take more time than trying to do it correctly the first time around.<br>
>><br>
>> In conclusion, you can already draw the buildings based on GRB now. No<br>
>> need to wait until the import is ready. For most buildings this is not too<br>
>> difficult. Churches and similar buildings with a lot of extrusions might be<br>
>> left until the import data is ready.<br>
>><br>
>> just my .5 cents<br>
>><br>
>> regards<br>
>><br>
>> m<br>
>><br>
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