[Imports] Florida Landuse Import Revived

[Eric Ladner]

Normally you don't split data in the same way the task manager splits the
job. It just makes for too much work both for loading and fixing
afterwards.  If a feature crosses a tasking manager boundary it'll be
validated on the other side by the other task.

On Sun, Aug 14, 2022, 14:57 James Crawford via Imports <
imports at openstreetmap.org> wrote:

> Hi,
>
>
>
> I’ve been working on reviving the Florida landuse import that was started
> by Hiausirg in February 2022.
>
>
>
> The main issues I’ve addressed:
>
> For a couple of the more ambiguous values, I opted to skip importing in
> order to reduce the amount of potentially poor quality data that would
> enter the map.
>
> I’ve created a buffer zone around all the roads in the county, this is
> standard procedure in landuse mapping in Alabama, and in my opinion it’s
> easier to work with data that is offset from the road rather than having a
> line that draws generally to the centerline of the road.
>
> This is not a solo effort. We will be importing via the tasking manager by
> clipping data to the boundary of the tasks and joining the data at the
> boundary of the tasks after manually reviewing the data present in the
> task. The tasking manager will be split into 10km by 10km cells to reduce
> workload and make it easier to validate the data quality.
>
> I improved on asdfjkll’s original extract by making the bounding box I
> used to clip the data to exactly match the coastline data on OpenStreetMap
> so there should be no issue with clipping in the ocean. I’ve also clipped
> exactly to the boundary of the other data that Hiausirg has already
> imported, so there should be no issue with overlap there either.
>
> What I still need help with:
>
>                 I’m not sure how to make the tasking manager have custom
> boundaries for each task. If someone could show me how to generate a
> shapefile with this information, I would greatly appreciate it.
>
>                 I also don’t know the details of how I should be
> extracting pieces of the data to match the tasks grid. I figure I could use
> the clip tool in QGIS to make a shapefile of the task that is being worked
> on, but I would like to know if there is a less cumbersome way to do this.
>
> Link: https://cloud.disroot.org/s/eskJ2gmSjiaoEws
>
>                 This is a folder with 2 shapefiles. In the “current”
> folder I have provided the full dataset that I have processed.
>
> In the “sample” folder I provide a smaller extract if you would like a
> sample of the data and its quality.
>
>
>
> Thanks,
>
> -SherbetS
>
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>
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