[TCMUG] Building heights Minneapolis/ St. Paul?

[Peter Wiringa]

If you're only concerned with taller structures that wouldn't have any
canopy above you might be able to skip LiDAR processing and use DEM from
MnTOPO and DSM from here <https://conservancy.umn.edu/handle/11299/172696> to
get an nDSM, then use the footprints as Dan suggests.

On Fri, Nov 2, 2018 at 9:15 AM James Klassen <klassen.js at gmail.com> wrote:

> Depending on what you are using it for does leave a lot of questions about
> what height you need.
>
> Average/max, height? Height above ground or above datum?  What is a
> building (sheds?, big multi part buildings like hospitals?).
>
> St. Paul and presumably Minneapolis have a building footprint dataset.
>
> The more recent Lidar data also typically has the building points
> classified in the point clouds.
>
>
> On Fri, Nov 2, 2018, 09:09 Dan Little <theduckylittle at gmail.com wrote:
>
>> Could you join the MSFT foot print dataset with the lidar data to get an
>> average height per building?
>>
>> On Fri, Nov 2, 2018 at 9:07 AM James Klassen <klassen.js at gmail.com>
>> wrote:
>>
>>> I don't know if there is a database with a single number per building,
>>> but the information can be extracted from the various Lidar datasets (with
>>> the caveat that they are getting somewhat dated and in one of the collects
>>> they clipped off the tops of the buildings in downtown Minneapolis.)
>>>
>>> On Nov 1, 2018 20:36, "Jennifer Strahan" <strahanjen at gmail.com> wrote:
>>>
>>> Hello,
>>>
>>> Hope all of you are well!
>>>
>>> I'm looking for building heights data for Minneapolis/ St. Paul, ideally
>>> Hennepin and Ramsey Counties.  Does this exist?
>>>
>>> Thanks,
>>> Jennifer
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-- 
*Peter Wiringa*
Computing Geospatial Analyst | U-Spatial
University of Minnesota | umn.edu
wiringa at umn.edu | 612-624-7591 (office)
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