[HOT] New Job for Tracing in the Congo

[Norman Rathmann]

Hi Andrew

You noticed, that the last job for Congo had a lot different offsets, 
even in 1 job area there is different offset.

Regars
Norman (Divjo)
> After several days of wrangling with QGIS to properly orthorectify
> some Nextview imagery we got for the Congo, the job is finally set up
> and ready to be worked on.
>
> Please pay special attention to the instructions on this one.  Make
> sure you read and understand the all the info on the "Description" and
> "Workflow" tabs in the task manager.  There are two sets of imagery,
> the black and white one should be used for creating and aligning
> objects, the color one is a bit newer and should be used as a final
> check in the validation step to update for any changes which occurred
> since the black and white image was taken.  Also note that because
> there is a lack of traces or existing data in this area, the images
> are not perfectly orthorectified so there will be some error in
> position which changes as you move across the image.  The error should
> be fairly small though (I estimate 10 to 15 meters for most areas) so
> aligning to the black and white image is ok.  The only exception to
> this is along the eastern edge where there is already high res Bing
> imagery which is probably better aligned and data in this region
> should be aligned to that image.
>
> Thank you to user JGC for helping me get the imagery rectified and for
> setting up the tileserver afterwards.
>
> Here is the link to the task manager job.
>
> http://tasks.hotosm.org/job/212
>
> -AndrewBuck
>
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