Author Topic: LiDAR- Digital Terrain Models (DTM) of European countries  (Read 9638 times)

Offline sonny

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Re: Precise LiDAR Terrain Models of Austria, Germany, Slovenia, Spain
« Reply #15 on: April 17, 2017, 23:54:25 »
I'll probably do if there are once Opendata Lidar sources of this German province (Sachsen). Right now I'm afraid there's no such data available for free use.
 

Offline tapio

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Re: Precise LiDAR Terrain Models of Austria, Germany, Slovenia, Spain
« Reply #16 on: April 18, 2017, 05:19:30 »
No free data for Sachsen, that's sad, I'm sometimes @ Erzgebirge.

Oh what a difference, I reset the height levels in Locus pro for some tracks and the Höhenmeter up/down (elevation gain ?) values went down e.g. from 9xx to 500 something...  :o But I cannot say for sure if I really used the old SRTM data or GPS data pulled by my phone. However, what a big difference. It's overall like 30-40% difference.
« Last Edit: April 18, 2017, 05:26:24 by tapio »
 

Offline uatschitchun

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Re: Precise LiDAR Terrain Models of Austria, Germany, Slovenia, Spain
« Reply #17 on: December 19, 2017, 10:47:54 »
Is it possible to use the 20/50m models with Locus?
 

Offline sonny

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Re: Precise LiDAR Terrain Models of Austria, Germany, Slovenia, Spain
« Reply #18 on: December 19, 2017, 17:52:01 »
i'm afraid not. But the 1"  models (.hgt files) are about as precise as the 20m models
 

Offline uatschitchun

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Re: Precise LiDAR Terrain Models of Austria, Germany, Slovenia, Spain
« Reply #19 on: December 19, 2017, 23:27:27 »
Ah ok, the hgt work well :-)

Thx for that!
 

Offline sonny

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« Last Edit: May 18, 2018, 10:57:50 by sonny »
 
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Offline sonny

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I spent many hours and weeks to collect and edit the source data for creating a DTM for the whole country of Italy. Most of the Italian regions provide more or less high quality data. For those who don't, I used 1" SRTM data.
Now the project is finished and available here:

http://data.opendataportal.at/dataset/dtm-italy
 

Offline voldapet

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@sonny ...you're awesome!  We'll use it for LoMaps as your previous datasets. Thank you
 

Offline sonny

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There's been a problem in the Northwest of the Italian files. Please download the corrected ones here:
http://data.opendataportal.at/dataset/dtm-italy
 

Offline voldapet

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Thank you - updated.
 

Offline sonny

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Dear Locus-Friends,

I’ve spent lots of hours during the last months to collect, check and resample data. Just before Christmas I’m going to give you the result – several new DTMs – as a present:

Belgium:
http://data.opendataportal.at/dataset/dtm-belgium

Denmark:
http://data.opendataportal.at/dataset/dtm-denmark

Estonia:
http://data.opendataportal.at/dataset/dtm-estonia

Finland:
http://data.opendataportal.at/dataset/dtm-finland

Lavia:
http://data.opendataportal.at/dataset/dtm-latvia

Netherlands:
http://data.opendataportal.at/dataset/dtm-netherlands

Norway:
http://data.opendataportal.at/dataset/dtm-norway

Sweden:
http://data.opendataportal.at/dataset/dtm-sweden

Enjoy them, Sonny.
 
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Offline sonny

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As far as I know, I’ve now completed the list of European countries where Opendata LIDAR source data is available. If you notice that there are new European countries providing high quality Opendata DTMs in the future, feel free to contact me!

Finally something regarding myself: During the last 2.5 years I spent many, many Hundreds of hours during my leisure time to search for new Opendata source files. I’ve written hundreds of Mails – mostly in foreign languages ;-) – to contact public authority of the individual countries to help me with finding free and often hidden source data of their country. I had to download giant amounts of source data. I had to search for errors, plug holes within the data, compile, resample it and create files in useful formats. To provide them to you, the community for free.

It would make me very happy, if you honor this work by supporting me with a Donation. I’ve created a DONATIONLINK via PAYPAL:
https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=E6GG3NPU88ZQE&source=url

THANK YOU VERY MUCH, Sonny.



« Last Edit: Yesterday at 10:47:17 by sonny »