OpenStreetMap

@kevin_bullock's Diary Comments

Diary Comments added by @kevin_bullock

Post When Comment
Quick update on Maxar imagery

@DaCor / All - JOSM has just pushed a new release and the Maxar layers are now available. Huge thanks to Vincent and the JOSM team!!

Quick update on Maxar imagery

The Maxar imagery layers have been restored in ID Editor! Huge thanks to Bryan and Quincey from the ID team. And thanks to all OSMers who have been patient and provided a wealth of feedback and gratitude. Let’s get editing!!

Quick update on Maxar imagery

Hi all - we are close to having the Maxar services back up and available. Thanks to everyone for their patience and input. We are testing the new services with the HOT team to make sure it’s ready for the broader OSM community. Sorry for the delay in updating this post, our team at Maxar has been working on a new, secure implementation. As I have more news/info regarding the testing I will post here, Kevin.

Quick update on Maxar imagery

Hi everyone, thanks for all your feedback. I can assure you that the requests were machine made, and automated in nature. Per the comment above, having nothing to do with OSM activity, whether that be a mapathon or something similar in nature. We’ve hosted and served imagery for OSM for years now and are very familiar with mapathon and other OSM patterns. Again, thank you for your feedback. Kevin

Quick update on Maxar imagery

Thank you @Stereo and @SimonPoole - yes we are working with Bryan Housel and user authentication is definitely interesting.

Updates to DigitalGlobe imagery layers

Hi Mirror176 - the Maxar layers will be satellite only (for the time being). The older DigitalGlobe layers indeed did share some aerial content with the Mapbox layer. This aerial imagery, typically available over the United States and some parts of Europe, is higher resolution, but infrequently updated. You are correct that the aerial imagery is higher resolution than the satellite imagery. That’s the advantage of flying in the atmosphere vs. flying in outer space. There are also some known offsets in the Maxar satellite imagery, I recommend using the adjust imagery tools in JOSM or ID. We are working to improve the accuracy and reduce these offsets. Seeing a 2m offset should be considered normal for satellite imagery. thanks for your feedback!!

Updates to DigitalGlobe imagery layers

@Prince Kassad - the only change I can speak to are the old DigitalGlobe layers now becoming Maxar layers. Most users prefer more recent imagery vs higher resolution. It’s a balance we need to keep. With respect to the offset, please use the imagery offset tools in your editor.

@CENTRALHUB - please provide a location for the issue you mentioned. I don’t understand how houses can now be facing a different direction. In most cases, the new Maxar imagery will be newer data and refreshed more often.

Updates to DigitalGlobe imagery layers

@Paul Johnson - ok I misread your orginal comment, I mistook it as a 100m offset. But you are saying the offset changes within a 100 m stretch of freeway. I am seeing a 3-4m offset along the US 169 here: geo:36.50731,-95.70377?z=19 - but I am not seeing the wobble. If you can send a coordinate I can look into it. (wobble in imagery is usually caused by a bad elevation model, or an old elevation model)

Updates to DigitalGlobe imagery layers

@HeyItsAdam - yes, in some cases we have limited # of images to select from, so it may happen that the premium and standard are the same.

@iriman - that is great news, thank you. We will look into the misalignment issue, for me it’s most clear at the turning circle to the NE of the bridge.

@Paul Johnson - I’ve never seen a 100m misalignment. A few meters to be expected, 10m is considered an extreme case. Can you send a coordinate or an example?

Updates to DigitalGlobe imagery layers

AkuAnaktimor - sure, please send a coordinate!

ndrw6 - the resolution of our satellites range from 30cm-50cm per pixel. This is amongst the best resolution available via satellite. The reason why there are higher resolution images on Google or Bing is because they are also using aerial surveys in places like the US and Europe. Due to the lower flying aircraft, they can resolve a better resolution.

Zverik - we should have parity or better soon, or hopefully now. Feel free to send a specific location if you see this issue persist.

Thanks all for the feedback!

Updates to DigitalGlobe imagery layers

Appreciate the feedback Omnific!

DigitalGlobe Satellite Imagery Launch for OpenStreetMap

Thanks for the feedback Dikkeknodel, your work on these islands looks fantastic and I’m happy the DigitalGlobe imagery was useful for this purpose. As noted by IrJidel (thank you!), we have deployed a beta version of Imagery Vintage that is functioning in both JOSM and ID. As an example, it looks like the imagery over the islands is from Feb18 2015. happy mapping!

DigitalGlobe Satellite Imagery Launch for OpenStreetMap

thanks for all the feedback alexkemp, rorym, joost, Stereo!

Palolo, re: Metadata, we will make it available.

DigitalGlobe Satellite Imagery Launch for OpenStreetMap

Is it possible to add at least one “overzoom” level?

Hi Zverik - where we have imagery available, it should all overzoom or oversample to maximum zoom. I’m trying this right now over an area in the USA and seeing it oversample to z26. My guess is you found an area where we haven’t published imagery. We will have coverage and metadata soon, and in the Premium layer, we will have full global coverage in future updates.

Nuno and Jimmy - thanks for the feedback!

DigitalGlobe Satellite Imagery Launch for OpenStreetMap

Thanks for the links to the offsets. In areas of high relief, we would expect offsets due to the “look angle” of the satellite and the “lean” of the mountain. As for the sea level offset, we’ll look into this. We typically use SRTM as the terrain model which only extends to +60degrees in the North. This is likely one of the contributing factors. Thanks again for the great feedback especially on the TOU!

DigitalGlobe Satellite Imagery Launch for OpenStreetMap

thank you imagico for the feedback!

imagery offsets: I’d expect to see a few meter offset (generally 5m or less). This is due to different techniques in orthorectification. Several hundred meters is not expected. Please send me the coordinates and we can look into it.

zoom levels: understood and thank you. So you would like the high resolution imagery to be viewable in zooms 13, 12, 11 (or something like that)?

metadata: as mentioned in the post, we will be providing it and are committed to that. We will make it available in the coming weeks. This will show both coverage and acquisition dates! I agree this will be huge for mapping.