[HOT] [info-hotosm] Helipad Identification/Verification
penorman at mac.com
Sat May 9 07:15:42 UTC 2015
On 5/8/2015 11:39 PM, Springfield Harrison wrote:
> This is a re-post from yesterday as it was too big and was rejected by
> the list moderator (image?). I've deleted the image. My apologies
> to those who did receive it already. Cheers . . . . Spring Harrison .
> . . .
> Hello Mappers,
> Thanks for your comments and observations in reply to mine of
> yesterday. Unfortunately, no time to deal with all of them separately
> right now. A forum format would be much more efficient for exploring
> discussions; this e-mail approach is quite fragmented. I'm sorry if I
> have missed anyone in this reply, the cast of characters seems to vary.
> Have been exploring the verification process for task 1026-236,
> helipad identification. Some observations follow:
> ·On a second monitor, I viewed the same area (236) in Google Earth
> and immediately got a vastly better feel for the terrain and was
> able to quickly identify several good helipads with good certainty
> as to quality. My background includes helicopter piloting as well
> as GIS.
> ·At least for locating helipads, I would highly favour using
> Google Earth, the perspective view and better image quality vastly
> increases productivity.
> ·Markups could be done directly in Google Earth, saved as KML
> files and forwarded to OSM. Image attached below.
> ·The only problem with this method is that the Task Area tile grid
> would need to be provided for navigation. I doubt if that would be
> difficult as a KML file.
> ·In some cases, the age of the Google Earth imagery may be a
> slight drawback but since production is the chief imperative here,
> that shouldn't be a big issue.
> ·Perhaps a customized Google Earth application using current
> disaster imagery could be fired up for the duration of this
> exercise? On-the-fly innovation is needed in emergencies.
> ·As a test, you could send me a collection of helipads for
> inspection in Google Earth, it is very difficult to verify them in
> JOSM. In Google Earth, the reconnaissance process is quite fast
> and effective.
> I hope these observations are helpful. I think the use of Google Earth
> would improve the helipad selection process by orders of magnitude.
The Google terms of service do not permit the use of Google imagery to
generate a map database*, which prevents the use of Google Earth with
default imagery. Did you add any helipads based on Google imagery? If
so, can you please send me details off-list.
* If you have an enterprise contract for Google Earth, you may have
different terms, but consult your lawyer.
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