[Talk-us-massachusetts] Quality of US Large Scale Imagery

[Jason Remillard]

Hi Alan,

The treeless images that were in bing were sourced from MassGIS.
ArcGIS.com hosts many MassGIS data sets as tiles. You can see them
here.

http://tiles3.arcgis.com/tiles/hGdibHYSPO59RG1h/arcgis/rest/services/

To get the treeless tiles back, add this to your image preferences in JOSM.

tms:http://tiles3.arcgis.com/tiles/hGdibHYSPO59RG1h/arcgis/rest/services/USGS_Orthos_2013_2014/MapServer/tile/{zoom}/{y}/{x}

Substitute USGS_Orthos_2013_2014 with any of the layer names listed at
this page to use other layers.

http://tiles3.arcgis.com/tiles/hGdibHYSPO59RG1h/arcgis/rest/services/

MassGIS just purchased very new images for the state from google.
Google has restricted its use and we can't use them from JOSM, but It
looks like viewing the images in Oliver is ok.

http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/datalayers/googleimagery.html

Another MassGIS link worth looking at.

http://www.mass.gov/anf/research-and-tech/it-serv-and-support/application-serv/office-of-geographic-information-massgis/datalayers/layerlist.html

Jason



On Thu, Dec 15, 2016 at 5:08 PM, Alan & Ruth Bragg
<alan.ruth.bragg at gmail.com> wrote:
> It seems to me that the quality of the US Large Scale Imagery has
> deteriorated in the last month or so.
> Imagery at the high zoom levels seems much murkier.
> I used to like to use it because it always seemed to be taken in the winter
> without leaf cover; not so now.
> Also, it's loading very slowly.
>
> Judging from building constructions in Bedford, the imagery is about the
> same date as Bing.
> I've never figured out how to check the date of the imagery. Can anyone help
> me?
>
> I'm continuing my quest to review all un-named residential roads in MA
> against the 2015 TIGER data. I did Aquinnah on Martha's Vineyard over the
> last couple of days. I'm working alphabetically, should be done in a couple
> of years. It would go a lot quicker if I didn't stop to add a few amenities
> along the way.
>
> Alan
>
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