To join the attributes from one spatial data layer to another

learn more… | top users | synonyms

0
votes
0answers
19 views

How to make a polygon and point shape file line up to do a spatial join?

I have a polygon with a North_America_Lambert_Conformal_Conic coordinate system and a point shape file which had a WGS 1984(DD) coordinate system. I defined projection and projected both of them to ...
4
votes
1answer
50 views

Conditional Spatial Join?

I need to join two layers (a fishnet grid and land cover). I'd like the join to occur only if the the land cover occupies 50% or more of each fishnet grid (See image below). Can anybody provide an ...
0
votes
0answers
30 views

Spatial Join with ArcGIS ModelBuilder?

I have a bigger model done with ModelBuilder. In the end I want to make a spatial join of a polygon (target) with points (join) (see figure below). The model runs with any error or warning message, ...
2
votes
0answers
33 views

split points evenly to neighboring polygons?

I have a crime location data set, containing geocoded crime location points that have been geocoded to streets and street interactions. I also have a census tract shpfile. What I would like to do is ...
0
votes
0answers
31 views

Polygons Present in another Polygon (Selection/Attribute Transfer)

I have 2 layers, Sugar Data and Surveyed Parcels. My interest is to include 2 new fields in the sugar data (lot & plan) which is present in the surveyed parcels data. Im using Arc Map 10, can ...
3
votes
1answer
55 views

ArcGIS 10.3 - Spatial join polygon to point

What I have: 1 point layer with adresses. 1 polygon layer with zones. What I want: 1 point layer with the polygon info added. I just did the spatial join, the columns are added but there's ...
0
votes
0answers
12 views

Using the 'Mean' mergeRule with a spatial join

I have two feature classes. The first is a point file, derived from a raster, with the values for slope of the terrain. The second is a shapefile of polygons. What I want to do is spatially join the ...
0
votes
3answers
49 views

Spatially Joining census tracts to neighborhood shapefile?

I have a bunch of census tracts that I want to spatially join with larger neighborhood geographies so that the numeric fields of the census tracts are summed on the join. A spatial join based on ...
0
votes
0answers
23 views

Understanding “Creating Layer From Selected Features.”

I used the “Create Layers From Selected Features” a lot as working with sunsets of a database is typically more efficient in ArcGIS (v. 10.3). Recently I had a project when I was trying to determine ...
0
votes
0answers
38 views

Remote SQL Server, Crystal Reports and Geospatial Join

I have: A remote SQL server (2008 R2) that I have access to (But NOT full control of) which contains my source data including OSGB 1936 Geometry [ESPG: 27700] In house SQL Server 2008 R2 A Crystal ...
1
vote
1answer
29 views

PostGIS nearest point with LATERAL JOIN in PostgreSQL 9.3+

I need to obtain on each element on one table the closest point of another table. The first table contains traffic signs and the second one the Entrance Halls of the town. The thing is that I can't ...
1
vote
1answer
73 views

Spatial join of a single point to multiple polygons

I have a point layer which I want to spatially join to a polygon layer (bring in the attributes). This works fine unless there are overlapping polygons, if so the QGIS spatial join tool will only ...
2
votes
0answers
59 views

QGIS spatial join - join all features, not just one

I'm trying to do a spatial join of a feature on a polygon layer (p1) that intersects with two features of another polygon layer (p2)) via QGIS. What I want: get the attributes of both features of p2 ...
0
votes
0answers
46 views

Joining two features (points) with same position but different attribute using ArcGIS for Desktop?

As shown in the figure below, these two points are in the same position but with different attributes. (TextString). I am wanting to join these two points together but with different attribute in ...
3
votes
2answers
43 views

Joining polygons to polylines based off specific point in polyline being within polygon

I am trying to join a polyline feature class and a polygon feature class. The polylines will always have at least their first point in a polygon, and each polyline consists of exactly three points. ...
2
votes
2answers
68 views

Get max value from multiple points surrounding buildings

I have a series of building represented as polygons. Surrounding these buildings I have multiple points with heights associated with them. What I am trying to do is identify all the points that are ...
3
votes
3answers
109 views

Spatial join with HUGE datasets

How to make a spatial join with ArcGIS with these HUGE datasets? Target: almost 3 million squares 500x500m size (the attribute table is basically empty) Join feature: 12000 polylines Operation: one ...
2
votes
1answer
57 views

How to join a dataframe with a dbf via a common column in R?

I have a SpatialPointsDataFrame with the data of a city and i want to join it with a dbf that contains the population via a common column that they have. How do i do that so the first one has the ...
1
vote
1answer
69 views

Directional Spatial Join with Python - Arcpy

Using Python, I want to join one point feature (centroid node) to the closest 4 links (polylines), but spreading the search in the 4 directions around my point, so that I have: 1 centroid-link ...
0
votes
1answer
48 views

Add Points shp attributes to Polygon shp by Point location (as Spatial Join in ArcGIS)

I have a set of points in .shp (ESRI, available here: http://ulozto.cz/xGqRVFrR/voronoi-zip). I would like to calculate Voronoi tesselation from the points, thus create polygons. So far, so good. ...
2
votes
1answer
31 views

Alphabetical Sort within a Record

I am performing a union on a polygon feature class with multiple overlapping polygons. Each of the records in the resulting feature class can be thought of as "unique area" polygons made up of the ...
1
vote
0answers
48 views

Polygons in Polygons

I have 2 layers, they represent 2 different data. I did a spatial join to see the polygons that fall in the other layer using the match option as identical. Before, i used the intersect as the match ...
0
votes
1answer
37 views

PostGIS: Perform a Spatial Join only joining the intersecting polygon with the maximum value

I'd like to perform a spatial join using PostGIS. I've got table_A containing 80.000 entries and table_B containing roughly 1.500.000 entries. The entries in table_B have a column "number". My goal ...
2
votes
1answer
15 views

Joined Attributes not recognized in mean coordinates

I am trying to find mean coordinates of a shapefile to which I have joined a csv file for population attributes, but these will not show. I'm working with county data of each US state based on the ...
1
vote
0answers
46 views

Spatial join with multiple intersecting features

I have a polygon dataset representing pavement areas broken up by year of construction and a roads centerline dataset that contains values for remaining service life (RSL). I want to spatially join ...
1
vote
1answer
126 views

Scripting spatial join in arcpy - how to set field attribute in field mapping object?

I'm scripting a spatial join in ArcGIS with Python. I only want the resultant feature class to have a single field containing one attribute from the join features. In general, many join features ...
1
vote
2answers
64 views

Spatial Join - One Join Feature to Multiple Target Features

I want to join a set of target features (polygons) to a set of join features (points). The polygons can, and do, overlap. I want the join features to be counted (joined) to as many target features ...
0
votes
0answers
45 views

Selecting points intersecting polygon

In ArcGIS 10.2 ArcMap am attempting to label a grid of varying size polygons overlaid by a grid of evenly spaced (1km) points with an associated value X by the the value of the point. If a polygon is ...
0
votes
2answers
57 views

Performing spatial join in Spatialite (QspatiaLite for QGIS)

I'm trying to spatially join and summarize the attributes of a set of buildings to a set of containing parcels. There are (potentially) many buildings to each one parcel. Here is the query as I'm ...
1
vote
1answer
110 views

How to do a one-to-many Spatial Join/Query in QGIS

Does anyone know if it's possible to do a 'one to many' spatial join based on distance in QGIS? The "Join Attributes By Location" under ->Vector->Data Management Tools is very limited... Just to be ...
1
vote
2answers
41 views

Spatial Join returning max value and unique ID

Using ArcGIS 10.3 I have a dataset containing polylines of a pipe network, along which I have a polygon layer representing a burst every 50m. The burst layer contains a value (p) and a unique ID (the ...
0
votes
1answer
86 views

Using spatial join in ArcGIS for Desktop?

I have two spatial layers of about the same (not exactly same) spatial extent. Layer#1 has about twice the number of polygons than layer#2 (in thousands). I am trying to calculate values for Field#X ...
0
votes
1answer
35 views

Associating 2 point files

In the image below, the green points are associated with radar wave amplitude data. They're generated from RasterToPoint, so they're at the centroid of each pixel and have only the value of the ...
1
vote
3answers
39 views

Join attributes by location doesn’t appear to be including data that it should

I am trying to calculate the number of bus stops which are within 400m of c. 100 properties that are in relatively close proximity to one another. Using MMQIS I created the 400m buffer for the ...
1
vote
0answers
26 views

Assign Z value to new coordinates based on interpolated response surface in R

I've created a response surface of sorts based on interpolated z values (bottom of post). I'm looking for the most efficient way to assign the respective z value to a new point (actually, a dataset ...
2
votes
2answers
58 views

How to link polygon features in one layer to polygon features in another, using largest overlap in QGIS or GRASS [duplicate]

I have two polygon layers: the first one contains small land lots (green in the image), the second one contains large zones (the purple line in the image attached separates 2 such zones). I want to ...
1
vote
0answers
28 views

Script for splitting of polygons and spatial join of lines to polygons

For the past couple of weeks I have been arduously creating flood depth rasters using flood zone polygons and base flood elevation survey lines. The issue is that some of the zones do not have a ...
1
vote
1answer
77 views

Using Spatial Join to copy a single attribute

I am attempting to use Spatial Join to combine tax parcels and zoning information, such that the parcels contain the designation of the underlying zone. However, I only want to take the "esmZONE" ...
1
vote
0answers
26 views

How to fix broken geometry after joining features in PostGIS

I have a PostGIS layer I'm serving over GeoServer. It looks like this. Im using the PostGIS query to get a new layer with some grouped features: SELECT id, name, st_union(st_buffer(geom, ...
1
vote
1answer
140 views

Spatially Joining Many Shapefiles. Use Spatial Join or UpdateCursor?

I have a large number of tree records in 100s of point shapefiles. Each shapefile contains a number of trees that fall within 10-50 parcels. The parcel layer contains ~60,000 shapes. For each point ...
1
vote
1answer
83 views

ArcMap populate field with value from another dataset

I have two Polygon datasets, one contains Buildings and the other PostCodes (ZipCodes). I'd like the PostCode field in the Buildings dataset to be populated with the value of the PostCode field from ...
1
vote
0answers
48 views

Matching (joining) two slightly incompatible polygon shapefiles

I have two shapefiles that represent two slightly different zonings of the same area (municipality zoning and transport zones), about 3000 polygons each. Several smaller municipalities may form a ...
2
votes
2answers
202 views

Spatial join using FME

I have two data sets, one is a polygon data set (Norwegian counties) and the other is points (roadkill incidence data). I want to do a spatial join where the points dataset inherits attributes ...
1
vote
1answer
52 views

Copy attribute data from one polygon shapefile to a multiple point shapefile

I have two shape files: Polygons of parks in Africa. Each park (polygon) has a row of data regarding it's size, name, date of establishment etc. Random points in parks in Africa. Here, I generated ...
2
votes
1answer
142 views

How can QGIS Field Calculator sum values from a spatially joined table?

Can the Field Calculater be used to sum values from a related table via a Spatial Join? I have two vector polygon layers A and B, each with a numerical column VALUES. I want to update VALUES in ...
1
vote
1answer
29 views

Querying Raster Dataset by Location to Study Area

I have downloaded a very handy raster dataset generated by the Nature Conservancy for identifying terrestrial habitat cover types in the north east. Link to the project info and a link containing a ...
1
vote
1answer
64 views

QGIS Spatial Сross Join atrributes

I have a set of LineStrings (streets) And a set of rectangles (atlas pages extents) rectangles could overlap each-other. And now I want to create a legend for atlas like street1, pages: 1,2 ...
1
vote
0answers
59 views

Does QGIS have a dynamic spatial join select tool, equivalent to MapInfo Boundary Select?

I´m a MapInfo user, I´ve gone over to QGIS and it´s got a lot going for it, except for some simple features from MapInfo I just can´t do without. One such is MapInfo Boundary Select, which is a basic ...
0
votes
0answers
79 views

Understanding Spatial Join

How do I join .shp files so one layer will contain the amount of overlapped Area from another layer (per HUC as illustrated below)? I'm trying to determine how much Area [POLY_AREA] overlaps the HUC ...
0
votes
2answers
24 views

Combine Community Layer with County Layer in ArcMap?

I have a County shapefile that I am trying to combine with an updated community or jurisdiction shapefile. I have tried Unioin, Merge, and Spatial Join, but am not getting the desired results. The end ...