[talk-ph] imagery alignment in Leyte

Ervin Malicdem schadow1 at gmail.com
Wed Jun 21 03:25:56 UTC 2017


Hi Dan,

As I observed (I particularly checked Alang-alang), Bing and DG Std are
almost aligned however DG Prm seems to be aligned with the existing raw GPS
better than Bing and DG Std.

Ervin M.
*Schadow1 Expeditions* - A Filipino must not be a stranger to his own
motherland.
http://www.s1expeditions.com

On Wed, Jun 21, 2017 at 9:55 AM, Dan Joseph <dan.b.joseph at gmail.com> wrote:

> Hi,
>
> The Philippine Red Cross and American Red Cross recently collected drone
> imagery in 23 barangays in Leyte Province. We've made the image sets
> available for download[1] and are working to process and upload the
> orthomosiacs to OpenAerialMap. We don't have ground control points
> collected in the field. We are planning on using satellite imagery to
> slightly adjust the imagery alignment. The Digital Globe imagery is newer
> and seems to be of higher quality than Bing but the two do not line up.
> Does the OSM-PH community have opinion(s) about whether we should adjust to
> match Bing and the existing OSM data or align to the DG standard imagery
> and update the OSM data accordingly?
>
> Salamat po and all the best,
> Dan Joseph
>
> [1] https://docs.google.com/spreadsheets/d/1vX1C0k1TM0op9qQ0m8cXMUsMcUnzw
> 3o7SE5dasOXbf8/edit?usp=sharing
>
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>
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