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Questions tagged [building]

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3 votes
1 answer
129 views

Labeling with comma as in QGIS Attributes table

In QGIS 3.22 I would like to label an area with decimal values. In the attribute table, the values are displayed separated by commas, but the areas are labelled separated by periods. Please help! ...
stefan's user avatar
  • 97
4 votes
1 answer
120 views

Making building orthogonalized in QGIS

From the left polygon to right polygon, May I know how to achieve it by using QGIS? I have tried the orthogonalized tool in QGIS, but there is no change in shape.
user237394's user avatar
0 votes
0 answers
139 views

Seeking London building shapefile

I need a London building shapefile. I attempted to use Microsoft footprint, but encountered difficulties. I also tried downloading from Overpass without success. How can I find a reliable way to ...
user236222's user avatar
0 votes
0 answers
37 views

How to fix the error in GML: non-planar polygon distance

I have validated the GML data in the CityDoctor. It found the error "GE_P_NON_PLANAR_POLYGON_DISTANCE_PLANE" in nearly all of the buildings. Is there a short way to fix such an error?
Gülce's user avatar
  • 13
0 votes
0 answers
27 views

A single building is represented as several smaller buildings in GML file

A single building is divided into several different parts and expressed with different building identities in the GML file that I need to study. Is there any way to fix such an error?
Gülce's user avatar
  • 13
0 votes
0 answers
43 views

Trying to delete buildings selectively from a CityGML

I'm currently working on refining my cityGML file by selectively removing certain buildings. My objective is to include specific neighboring buildings within designated building blocks while deleting ...
Gülce's user avatar
  • 13
1 vote
0 answers
33 views

Adding GeoPackage data (covering whole country) to specific area of the country in QGIS

I have a big GeoPackage of building data for a whole country. I want to add only building data for a certain part of the country. I have tried adding the whole data package and then "select by ...
Tessa Bell's user avatar
0 votes
1 answer
53 views

Exclude areas with building from a map

In ArcMap, I'm trying to create a site suitability map for a solar farm but I have issues with the building footprint file. I'd like to exclude areas with buildings but I have no idea how to go about ...
Yfunfur's user avatar
1 vote
1 answer
120 views

Calculating Area of each Classes by Region in GEE?

How could I calculate the area for each class of GHSL built-up layer for each district? I have tried the following code, but it doesn't work, and I don't know why. Here is my code: var countries = ee....
Gencergis's user avatar
  • 109
2 votes
1 answer
358 views

Importing Bahrain building footprints from Bing Maps into QGIS

How can I import vector Building Footprints into QGIS from the Open Sourced updated Bing Footprints found here: https://minedbuildings.blob.core.windows.net/global-buildings/dataset-links.csv - maybe ...
Oli Sard's user avatar
1 vote
1 answer
556 views

Visualizing German ALKIS LoD2/cityGML data in 3D map view QGIS 3.22

I have a dataset containing all relevant information to build a 3D building (https://ldbv.bayern.de/produkte/3dprodukte/3d.html) with one layer containing roof information (incl. orientation and slope)...
luidwig's user avatar
  • 61
3 votes
0 answers
264 views

Calculating specific building setbacks (front, side, rear) in QGIS

I am trying to analyze building setbacks for a large area (multiple suburbs). Setbacks needed: Front setback (minimum distance to street) Side setback (minimum distance to either side of the side ...
Keith's user avatar
  • 31
0 votes
0 answers
17 views

Aggregating values at building level data and getting values for block group level and by building type

I have data for the building level. I have classified these buildings into 5 different types. I need to aggregate the values of each building type and get data at the block group level. How can I do ...
Indu's user avatar
  • 1
0 votes
0 answers
14 views

API for input building_name and output all its building:part in OSM [duplicate]

Is there an API available in which we can send a building name and it would return all buildings:part if they exist in OpenStreetMap?
user212252's user avatar
0 votes
0 answers
166 views

Identify particular building:part belongs to which building in OSM

Since there is different osm_ids for building:part and its respective building. Lets say https://www.openstreetmap.org/way/182827369 is the main building and https://www.openstreetmap.org/way/...
user212252's user avatar
1 vote
1 answer
115 views

Using PyQGIS to generate a triangulated VTK/STL mesh from OpenStreetMaps data

I am interested in using OpenStreetMaps building data in PyQGIS to generate triangulated VTK or STL files. I am able to get the features I want as QgsGeometry objects. The problem is that these ...
BenS's user avatar
  • 21
0 votes
2 answers
740 views

Seeking Italy building shapefile [closed]

I'm looking for a buildings layer shapefile for Italy but the one I can find for free here looks incomplete in comparison to when I do a sense check against Google Earth: https://mapcruzin.com/free-...
Arks's user avatar
  • 11
2 votes
3 answers
149 views

Download area designated by a bounding box of Microsoft's USBuildingFootprints dataset

I would like to plot some houses in a relatively small area of MD, the bounding box is: xmin: -76.12, ymin: 38.05, xmax: -75.68, ymax: 38.42 Microsoft's USBuildingFootprints dataset can be downloaded ...
Cannon's user avatar
  • 113
3 votes
2 answers
568 views

Merging selected features based on multiple conditions using QGIS

In QGIS I'm working with a shapefile including polygons which represent the footprint of a building or parts of it (if parts have different heights). I would like to merge these parts but I have to ...
Alberto Basaglia's user avatar
1 vote
3 answers
438 views

Exporting polygons to polylines with thickness as DXF in QGIS

I have a file with polygons representing building areas and an attribute table with a column for building height, I want to export to DXF polylines with the property "Thickness" filled in ...
Ringo's user avatar
  • 11
1 vote
0 answers
190 views

How to set wall texture in osmbuilding-leaflet?

I'm working with osmbuilding-leaflet to render 3D features on map but there is a problem. After rendering features wall of buildings doesn't have texture. But in the basic osmbuilding library wall ...
hamed's user avatar
  • 101
2 votes
1 answer
532 views

Comparing overlapping features using Field Calculator in QGIS

I have a building dataset and I am trying to perform a spatial analysis, to determine which building should be developed as a 3D model, for a mapping project. Because in some areas the building ...
Ovidiu Stoian's user avatar
1 vote
1 answer
279 views

Getting all buildings in radius based on GPS coordinates

What I have done so far is creating a PostGIS database with the OSM world data which was successful and viewable via QGIS. I imported the data via osm2pgsql -U USER -W -d gis -H 127.0.0.1 --number-...
mad_a_i's user avatar
  • 13