[Qgis-user] Finding a flat spot

[Karlo no Dabas maajas]

Hi!

I suppose 10 m × 10 m grid to be too course for finding flat surface for 
a tent. It will show jut overall steepness.

Best regards,
Kārlis

22.10.25 17:53, Kirk Schmidt via QGIS-User rakstīja:
> [..]
> 
> You need to generate a raster digital elevation model (dem) or access 
> one for your target area.  In contrast to vector data,  a raster is 
> typically a continuous grid and for elevation data, each grid would 
> contain the average elevation for that spatial location.  So if each 
> cell in a dem is 10m x 10 m (30.49' x 30.49'), it would not be able to 
> find a flat area that is 100 ft2 (10' x 10'). This is referred to as the 
> resolution of the raster.
> 
> [..]
> 
> 
> On 10/21/2025 9:27 PM, Morgan Fletcher via QGIS-User wrote:
>> [..]
>>
>> I want to know where the flat spots are. Given a bounded area on a 
>> map, could I ask QGIS to find me all locations that are at least 100 
>> square feet, with less then 1' vertical delta across that space? Yes, 
>> I'm trying to find flat camping spots.
>>[..]