Questions tagged [footprint]

Generally means 'the area covered by' - especially when referring to buildings and the ground.

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Align the points in polygon

I have two datasets consits of building footprints and point data. Points are within the footprint but they are scattered. Is there any tool to align them perfectly within the polygon as pattern. ...
Bruno B's user avatar
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1 vote
1 answer
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Move point data to the nearest polygon [closed]

I have two datasets, one is building footprint dataset and another is point data. In my database some points are not within the building footprints and some points are scattered on the roads. I want ...
Bruno B's user avatar
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available data (DSM FIRST, DSM LAST, DTM, BUILDING FOOTPRINT) how to obtain buildings heights?

Lidar data: DSM (First/last) AND DTM are in.ASCII format Footprint available extracted from OpenStreetMap.
Amro Attia's user avatar
3 votes
1 answer
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Getting the footprint of LAS file in QGIS

I can get the extent of a LAS file with: #Create a pointcloudlayer lasfile = r"C:\GIS\data\testdata\22D054_684_39_7575.laz" pc = QgsPointCloudLayer(uri=lasfile, baseName="test", ...
BERA's user avatar
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Improving building footprint polygons converted from LAS Point Statistics as Raster

I am following the ArcGIS PRO workflow to extract building footprints using Lidar Pointcloud data. I am working with a Lidar dataset that has a spacing of 0.344 points/meter. I am using LAS Points ...
novice here's user avatar
2 votes
1 answer
297 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
133 views

GeoServer - render ImageMosaic footprints

Does GeoServer have the ability to query and return footprints for an ImageMosaic? Usually the sidecar vector files defining the clipping boundary are available...so I was hoping to be able to render ...
WolfOdrade's user avatar
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Computing drone camera footprint over a DTM

I am developing a Python application to compute the footprint of aerial videos. I am able to compute the footprint when the sensor is parallel to the terrain and the terrain surface is plane. Now, I ...
Domenico Rossi's user avatar
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PostGIS - Area inside or outside w.r.t. a polygon

I need to check if a specific point belongs to the area defined by a polygon on a map using PostGIS. How can I specify if the area to be considered is either the one "inside" the polygon, or ...
danilod's user avatar
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Extracting Raster Footprint in ArcMap [duplicate]

I suspect this question already exists, but I have been unsuccessful in finding one yet. I have a series of 9 rasters (PNG files) in ArcMap. I need the footprint (or extent) of each of these rasters ...
Midavalo's user avatar
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Choosing geospatial statistical test using building characteristics and distance together

New to geospatial analyses and I am trying to assign a building footprint to be a type of building (e.g., industrial building). In another dataset, we have determined the average building area, ...
LeslieKish's user avatar
3 votes
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Making square footprint polygons in QGIS

We are a group of students working with footprint taken from LiDAR point cloud. We have a challenge in making the polygons more square. We want the angles to be orthogonal, and the sides to be longer ...
Kristoffer Larsen's user avatar
3 votes
1 answer
548 views

Get footprint or boundary of LIDAR data

I am using the lidR package in R to manage my ALS data. I was having problems generating DTMs on the edge files of my catalog because the tool lidR::grid_terrain() was doing some interpolation between ...
candelas762's user avatar
3 votes
1 answer
3k views

Calculate Azimuth from polygon in GeoPandas

Is there a simple way / ready-to-go function to calculate the azimuth of 2D-polygons in a GeoPandas DataFrame? My goal is to eventually compute azimuth angles of building footprints. Most of the ...
inneb's user avatar
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2 answers
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Trying to find historical building footprints or centroids [closed]

I'm currently doing a research project analyzing how cities evolve over time and was wondering if there were any good online databases for finding historical building footprints. I've been looking ...
novark3's user avatar
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Draw ellipse based on values within an attribute table

I would like to be able to draw and ellipse on a map based on values within an attributes table. At the moment I have 6 transects at a site with values based on IQI (Infaunal Quality Index) values; ...
Nick Cross's user avatar
1 vote
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Identifying the position of a building footprint on a land parcel [closed]

I am looking to try classify where a building footprint falls on a land parcel. I have identified the amount of free space that is available on a land parcel and am looking to try quantify this ...
Stevedup's user avatar
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Returning centroid coordinates from footprint coordinates using QGIS

I have a set of footprint coordinates in KML. However I do not have the building coordinates. How do I return building's centroid (single point) by using the footprint coordinates in KML using QGIS?
ywologist's user avatar
3 votes
1 answer
228 views

Drone Imagery Footprints & Quaternions [closed]

I'm trying to use Drone Imagery Metadata to plot precise (or nearly precise) Imagery footprints on the the ground and I need some help with Photogrammetry / Trigonometry / Quaternions My repo is ...
Dean's user avatar
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What is the UOM of Microsoft Footprint 2017 height data

It says on the website that height's unit of measurement of MSFP 2017 is in meters. However, as I looked into some real building examples on Google Map street view, they height looks very inaccurate (...
Bill's user avatar
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QGIS Joining Parcel Polygons where overlay of Building Footprints crosses Multiple Parcels

QGIS 3.4.4 Polygon Layer 1 = Land Parcels Polygon Layer 2 = Building Footprints Some buildings exist across several parcels. How can I use the information in Layer 2 (red in the image below) to ...
Benjamin Pezzillo's user avatar
1 vote
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295 views

Visualizing LiDAR data in a detailed footprint of rooftops with ArcGIS [closed]

For the last couple of weeks, I have been doing a research for making a detailed footprint with LiDAR data. The detailed footprint is needed for visualizing a 3D model. With a detailed footprint I ...
Bas W.'s user avatar
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3 answers
742 views

Creating raster from selection of footprints in Mosaic Dataset?

I am working with thousands of DEM tiles, so I have put them into a Mosaic Dataset. (Please give me feedback if this is not the best way to handle this amount of data). I was given DEM tiles that ...
MoreMeowbell's user avatar
2 votes
0 answers
235 views

Extract building footprints using a Normalized Digital Surface Model on eCognition [closed]

I have created a normalized Digital Surface Model (nDSM) by subtracting DEM from DSM. I have set a threshold value of 2 meters in order to eliminate objects such as shrubs, cars etc. Is there any ...
Dolby's user avatar
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PostGIS intersect query: Raster footprints of multiple high resolution GeoTIFF's or not? [closed]

I have multiple (381) high resolution GeoTIFF's (2x2 meter resolution, 1 band, 700 MB each) that I somehow want to upload to a PostGIS-server to be able to run ST_intersects or ST_3Dintersects queries ...
johlund's user avatar
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-1 votes
2 answers
375 views

How to simplify and reduce noise from this shapefiles and get clean and proper buildings in ArcGIS? [closed]

The image being provided is very irregular and includes alot of noise. How can I: Remove irregular noise Show regular buildings
Akhil Chibber's user avatar
1 vote
0 answers
770 views

Building footprint extraction in automated way [closed]

I am trying to extract building footprints automatically (even semi automated way will do) from 0.5mts optical imagery. Currently my study area is Poland, however I would love to have a way that will ...
Senjuti's user avatar
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2 votes
1 answer
363 views

Building footprints of the city of Guayaquil, Ecuador

Does anyone have/know where I can find a shapefile/dataset of the building footprints of the city of Guayaquil in Ecuador? this type of information is so hard to get here in Ecuador. I went through ...
Marco Sosa's user avatar
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1 answer
163 views

Updating field values of footprint attribute table from an excel sheet

We have 60 - 70 footprints for which the attributes are to be updated for 25 columns. Some of the columns will have coded values (Eg: Country, Metadata standard, Language). I've slightly modified the ...
joseph_k's user avatar
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2 votes
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Automating polygon "useable area" check in QGIS? [closed]

I need to run a query that will identify all property remainders (available land for construction purposes) that can accommodate a 40m² building footprint (must be square). I have used imagery ...
Brendon Miles Watkiss's user avatar
1 vote
1 answer
267 views

Mosaic Dataset Footprint Field ordering

Is there any to order the Foot Print fields created in Raster Mosaic Dataset? I know, we can edit, or reorder fields of any FeatureClass, or Shapefile using X-Ray ArcCatalog, ArcGIS Diagrammer., ...
Satish's user avatar
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1 answer
644 views

Working with 2D building footprints and ArcGIS Pro / CityEngine

I've been trying for a few days now to create 3D buildings from my 2D building footprints. All the tutorials I've been through let me down right where it counts so I've decided to ask the pro's here. ...
Ben Racicot's user avatar
3 votes
1 answer
424 views

Calculation of surface of external walls of buildings from a cadastral footprint shapefile

I need to calculate the surface (m2) of external walls of all the buildings in a town. By external walls I mean all the walls of a building or parts of a wall which are not in contact with another ...
Adri's user avatar
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1 answer
505 views

Database of U.S. Buildings

Does anybody know where I can find a database containing all (or a large percentage of) building addresses in the U.S.? I'm particularly interested in commercial properties. Perhaps there's a google ...
Peter Berg's user avatar
2 votes
1 answer
2k views

Multipatch footprint of Sun Shadow Volume in ArcScene (removal of below ground shadows)

I am new to using ArcScene and encountered a problem in my analysis. I want to calculate shadows in the city center of Utrecht on different times and days. Subsequently I want to transform these ...
Sietske's user avatar
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0 votes
1 answer
295 views

Building footprints of Atlantic city, NJ

does anyone know where to get information of building footprints information on Atlantic city?
YonL's user avatar
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3 votes
0 answers
1k views

Formula for maximum coverage of a geostationary satellite based on earth station elevation

I am trying to create a JavaScript function to represent the maximum coverage of a geo satellite for different antenna elevations (0 degrees, 5 and 10 degrees) with 3 leaflet polylines. The result is ...
Franckl's user avatar
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2 votes
0 answers
559 views

Neighborhood boundaries and building footprints for Johannesburg?

Are there any sources for free (or commercial) and distributable neighborhood and building footprint datasets for Johannesburg out there? I've already looked on: Google OpenStreetMap joburg.org.za ...
Molotoff's user avatar
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0 votes
2 answers
178 views

Where can I find Tampa Bay building footprint GIS data?

I have looked on the city and county website and can't seem to find it.
david's user avatar
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2 votes
1 answer
3k views

Where can I obtain 3D data for Singapore?

I am looking for providers of 3D maps/models of Singapore. This might be either from photogrammetry/laser techniques or based on a DEM + building footprints/landuse with a height attribute. Is any ...
Pascal's user avatar
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2 votes
0 answers
437 views

Displaying mosaic dataset footprints with ArcGIS Image Service [closed]

Is there a way to display the footprints created through a mosaic dataset with an Image Service? I have a mosaic dataset that created footprints with associated data that can be viewed in ArcCatalog. ...
LMHall's user avatar
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0 votes
3 answers
191 views

Comparing polygon attributes that share the same parcel?

I'm new to ArcGIS, or at least anything beyond the basics, especially ArcToolBox. so the answer might be extremely simple. Basically I have one layer of building footprints, and another layer of ...
jmcbroom's user avatar
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13 votes
5 answers
9k views

Calculating Image boundary / footprint of satellite images using open source tools?

I need to create the polygon outlines of several single layer raster images, not the extent/bounding box, but the area without the nodata values, as shown here: Creating shapefile showing footprints ...
spib's user avatar
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1 vote
1 answer
749 views

How to create generic building footprints based on attribute information?

I'm trying to create a tool that generically creates building footprints on a given parcel according to certain attribute information of the parcel like building density, max. height, utilisation, etc....
Nicolas Mühlich's user avatar
2 votes
3 answers
645 views

Where/how can I find/buy/make building footprints for Kent County, MI (Grand Rapids, Wisconsin, etc)?

We need building footprints for Kent County, MI along with their associated street addresses. Primarily we're looking for Grand Rapids and some of Wisconsin, MI, but if someone had access to this ...
Phil Salesses's user avatar
3 votes
2 answers
1k views

How to create an outline polygon (footprint) from raster data with PostGIS

How can I create a polygon, containing the actual outlines (aka footprint) of a raster file with PostGIS? I just need the outlines of the data containing parts of the raster. ST_PixelAsPolygon creates ...
ABX's user avatar
  • 737
4 votes
1 answer
1k views

Looking for GIS data for Curitiba, Brazil?

I am wondering if anyone knows where to find building footprints, road network, transit, or environment feature data for Curitiba, Brazil.
futureshockk's user avatar
5 votes
4 answers
7k views

Looking for an efficient way of digitizing building footprints using orthophotos and ArcGIS 10

In the past I've used PCI Geomatica to do something similar using the softwares classification functionality. Are there some tools/tricks in ArcGIS that will partially automate the process. I remember ...
dchaboya's user avatar
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5 votes
1 answer
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Vector Building Footprint Resources - Tokyo

I typically know where to look for this data in the United States, but I'm at a loss when looking for building footprint shapefiles abroad. I thought I could find what I was looking for with Open ...
ChrisHamby's user avatar
4 votes
2 answers
2k views

Purpose of building footprints

What are the uses (public and private industry) of building footprints? I'm trying to figure out how polygon building footprints can be used. i.e. are they used for determining tax liabilities, etc....
Thad's user avatar
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