Questions tagged [footprint]

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

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16 views

Drone Imagery Footprints & Quaternions

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 ...
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15 views

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 (...
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48 views

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 ...
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21 views

Troubleshooting incorrect raster footprint files in ArcMap mosaic dataset?

I'm using ArcMap 10.5 to create a mosaic dataset of ~18 raster images. They're cube files (.cub) with highly variable shapes, extents, and occasional overlap. They load into the mosaic and display ...
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187 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 ...
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2answers
141 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 ...
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0answers
140 views

Separate buildings from other objects from a normalized digital surface model [closed]

I have created a normalized Digital Surface Model using the substraction DSM-DEM. I have set a threshold value of 2 meters in order to eliminate objects such as shrubs, cars etc. My problem is how to ...
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1answer
192 views

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 ...
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2answers
129 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
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417 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 ...
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1answer
213 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 ...
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1answer
58 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 ...
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67 views

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 ...
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1answer
151 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., ...
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1answer
437 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. ...
3
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1answer
198 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 ...
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1answer
149 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 ...
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1answer
1k 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 ...
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1answer
208 views

Building footprints of Atlantic city, NJ

does anyone know where to get information of building footprints information on Atlantic city?
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0answers
963 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 ...
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447 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 ...
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2answers
151 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.
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1answer
2k 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 ...
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0answers
256 views

Displaying mosaic dataset footprints with an Image Service

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 Arc Catalog....
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3answers
184 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 ...
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5answers
5k 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 ...
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1answer
726 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....
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3answers
517 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 ...
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1answer
830 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 ...
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1answer
896 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.
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4answers
6k 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 ...
5
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1answer
2k views

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 ...
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2answers
1k 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....
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2answers
2k views

How/Where can I find vector data for building footprints in Texas?

I've done a lot of research on this topic over the past 8 or 9 months, but I'm a GIS newb, so I may have overlooked some possibilities for finding/extracting this data. A short list of resources I ...
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2answers
207 views

Searching for Building Footprints or Building Inventory Data for the Balkans

I am searching for free building data and foorprints, preferably GIS shapefiles but data tables are also welcomed, for Albania, Bosnia, and Macedonia. I am working on estimating people per building in ...
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2answers
1k views

LIDAR data for Chicago

Is there any public or private sources of LIDAR data for the city of Chicago? Searching online has not lead me to any sources, and I am unsure how the commercial world of LIDAR works. The LIDAR point ...
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0answers
244 views

Recomputing footprints on old satellite imagery [duplicate]

I am trying to create an image service out of some 1976 satellite imagery. But first I need to get all of the no data cells out of my mosaic dataset. I have tried to recompute the footprints on my ...