To join the attributes from one spatial data layer to another

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2
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1answer
40 views

Spatial Join - Grid Containing Points, Display Highest Value Only

Sorry if this has been answered--I couldn't find anything specific to my question, however. I have a polygon grid layer and a point layer which contains numerical values (1-4) I want to use a ...
2
votes
2answers
904 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 ...
2
votes
1answer
123 views

Join line to multiple points

I took some ASCII files and created points with attributes. I am trying to join the line features to these but a simple join function will only take the one that is closest. Is there a way to perhaps ...
2
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3answers
1k views

Join CSV file to shapefile

I wanted to join a CSV file to a shapefile. When I identified a field to facilitate the join, e.g., map <- spChFIDs(map, as.character(map$ID)) it returned Error in spChFIDs(SP, x) : ...
2
votes
1answer
132 views

arcpy: join feature class (one to one) and get feature id of each joined object

I am currently spatial joining two feature classes like this arcpy.SpatialJoin_analysis(target_features,join_features,output_features, join_operation="JOIN_ONE_TO_ONE", ...
2
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2answers
418 views

Spatial Join of 2 line layers offset by minuscule amount

Let's say I have 2 line layers (green & red, in the image below) and I need to transfer attributes from one layer (red) to another (green) by doing a Spatial Join. The layers are identical, but ...
2
votes
4answers
1k views

Produce a list of polygons that a line crosses

I have a polyline feature class and a polygon feature class. What I want to do is add a field to the lines that lists all polygons that touch the line. This is effectively performing a ...
2
votes
1answer
46 views

Update column/Join in QGIS similar Mapinfo

Looking somewhat similar to UPDATE COLUM option ( for join) MapInfo in QGIS. This exists ?
2
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1answer
70 views

How to do spatial join in FME by preferring points with same attribute

First of all, I'm new to FME, but I'll try to be specific with my question. I have two different shapefiles with point features. These points have information on bridges and overpasses etc. but are ...
2
votes
1answer
113 views

QGIS:joinattributesbylocation gives empty shapefiles and QGIS:joinbylocation does not give summary of all fields

I am trying to make a spatial join to calculate the mean value of many variables (100+ columns) of census tracts by city. In order to do that, I would, in QGIS Desktop, run a spatial join (join ...
2
votes
1answer
39 views

Categorize feature with spatial join

I am working with Arcgis 10.3 and currently this problem keeps me awake at night. I import a csv file into ARCGIS with XY-coordinates and the Age of a person. I create a feature class which i later ...
2
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1answer
32 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 ...
2
votes
1answer
85 views

Join only if one line line intersects buffer. Do not if two

I've got a road network (line features) and a trip of GPS-Points. I want to join attributes from the road network to every point. So for each point i create a buffer. If the buffer intersects with a ...
2
votes
2answers
478 views

spatial join based on field

it's my first time that I'm posting here and I hope, that somebody can help me. I already tried to find the solution for my problem in any of the previous answers for similar problems, but none of it ...
2
votes
1answer
455 views

Is there a limit to the amount of data in a spatial join in QGIS?

I am using Quantum GIS and trying to spatially join a point grid with polygons that are overlapping. If I get the sum of intersecting features, then I can get a good raster value. Well, every time I ...
2
votes
1answer
779 views

Spatial Join Python Command to summarize attributes

I am trying to run the Spatial Join function through the python shell in ArcGIS 10. When you do the point-and-click method of spatial join, you are given a tool window with an option that asks "How ...
2
votes
1answer
51 views

Create frequency polygon from overlapping features in another polygon

Mac 10.9.5; QGIS 2.8.4-Wien; history and unioned data, in GDA94, zone 55 here. I have a polygon of fire history with a number of overlapping features. I want to create a new polygon for fire ...
2
votes
1answer
106 views

Spatial Join Field Mapping in ArcPy?

I know there already are posts about this subject, I tried to derive a solution for my own problem but the code for field mapping is very complex to me. I have a Raster 100x100m and point layers that ...
2
votes
1answer
437 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 ...
2
votes
1answer
173 views

Spatial and Non Spatial join

I have a shapefile with a number of weed control blocks as polygons. They each have a unique block id number. I am trying to join a non spatial csv file which has multiple entries for each block over ...
2
votes
1answer
75 views

fit point with raster data figure out those points belong to, and add column and row to represent it in ArcGIS 10.2.2

I have an X-Y point data file, with which has latitude and longitude. I'd like to be fit it with the raster data, then add column and row data on the X-Y point data file. first i created the attribute ...
2
votes
1answer
908 views

ArcMap many-to-many join

I'm working in ArcMap 10 and can move around in R, though am not an expert. I have a shp file and an xlsx file. The shp file is 20,221 rows and includes a field GID (grid ID) which is not unique ...
2
votes
2answers
430 views

Extremely slow processing time to map lat/lon data onto census shapefile with ArcPy?

I am a newcomer to ArcGIS and Python so I would greatly appreciate any and all input on this issue. What I am trying to do is very simple: map 400K business locations using lat/lon coordinates onto a ...
2
votes
1answer
374 views

Is there a work-around for a completely_within spatial join in ArcGIS? This is bugged (confirmation by Esri Inc)

I tried to perform a 1-to-many spatial join between polygons (target feature) and lines (join features) to join the lines that are completely covered by a polygon to that polygon. (the polygon is ...
2
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2answers
384 views

ArcMap's Join and symbology

I'm still new into the GIS World, and here's what i'm trying to achieve , i have Yemen administrative shapfile with list of governments, and districts,i also have an excel file with a list of migrants ...
2
votes
1answer
225 views

Why is “Join Attributes by Location” reporting different CRS (and running forever)

I have a point feature layer with ~240,000 parcel centroids. I have a second feature layer containing ~9000 subdivision polygons. I want to assign the name of the associated subdivision as a new field ...
2
votes
1answer
38 views

Spatial Join Hangs on Two Specific Shapefiles in QGIS 2.8

I have successfully done spatial joins with QGIS many times. However, with two shapefiles QGIS hangs or never seems to complete. (I’ve let the process run for over two hours.) I’ve tried all the ...
2
votes
0answers
70 views

Intersect, Spatial Join?: One Line crossing Multiple Polygons, assigned wrong attribute

I am looking for any possible solutions to a problem I am encountering with ArcGIS. I am using census block groups (CBG) to assign streets an income level value based on their location within the ...
2
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0answers
45 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 ...
2
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0answers
166 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 ...
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 ...
2
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0answers
116 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 ...
2
votes
2answers
123 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 ...
2
votes
0answers
268 views

CRS problem: not recognizing the CRS of shapefiles to be the same for all [closed]

I'm attempting to aggregate (average) the attributes a point layer to polygon attributes (i.e. block groups and counties) via a spatial join. Both the points and polygons are in the same projection - ...
2
votes
2answers
265 views

How do I select Census Block Groups inside a Zip code?

Long time listener, first time caller. I already have my data imported, problem is my SELECT statements aren't yielding the results I'm looking for. I specifically need all the Block Group ...
2
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0answers
183 views

Near/Spatial Join picking wrong polyline segment as closest? [closed]

I have a set of points near a street centerline. I need to find the perpendicular point on the street centerline, and use their x y instead of the GPS information of the original points. I tried Near ...
2
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0answers
202 views

Trouble with polygon to polygon “Join attributes by location”

I have two polygon vector layers - one of census tracts and one of water bodies. I would like to join a particular attribute from the water bodies table to each census tract, with the output being the ...
2
votes
0answers
204 views

Automatic attribution of one layer from another based on spatial relationship?

I have two layers with a 1:many relationship. Working within ArcMap, I'd like to have that relationship somehow formalized so that when I add a new feature to the child layer, it automatically gets ...
2
votes
1answer
270 views

How to join attributes of donut polygon to hole polygon in ArcGIS?

First of all I'm completely new to the realm of GIS and ArcGIS. Basically I need a reliable way to determine a donut hole's containing donut for a few hundred thousand polygons (where the donut holes ...
2
votes
0answers
632 views

Intersect two layers and get resulting features

I have X layers on a map and I need to intersect chosen layers (two per time) and color resulting features. I'm trying to get this code working // get first feature (index 0) ...
2
votes
1answer
181 views

Update Attribute based on spatial location

I want to spatially (Spatial Join) update few fields, not all, from another feature class. Is there any way to select and update few fields instead of all the fields from the other layer and ...
1
vote
1answer
169 views

Count number of points within multipolygon shapefile using OGR

I have two shapefiles: 1) consists of points (hundreds of entries) and 2) multi polygons (tens of thousands of entries). I simply need to count the total number of points contained within the ...
1
vote
3answers
110 views

Is there a way to snap 2 lines together from 2 shapefiles?

I am currently having 2 shapefiles of a roadnetwork. One of them has the best network (lines intersecting correctly etc.) and the other has some attribute info I want. I have no similar attributes to ...
1
vote
1answer
72 views

Missing distance field after Spatial Join? [closed]

When I use Spatial Join, the distance attribute is not being added to the resulting shapefile. I'm trying to use Spatial Join to assign each of 16,151 points to one of three zones (see screenshot), ...
1
vote
1answer
96 views

Is there a way to save a spatial join as .sqlite?

I'm joining data from PostGIS and SpatiaLite databases in QGIS using the "Join attributes by location" (Vector -> Data management Tools) tool. However, this has a big limitation - I can only save the ...
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vote
4answers
128 views

Labels based on spatial location

Here is what I would like to do. I have a polygon feature class called Subdivisions and a point feature class called Inspection. If I label all the Subdivisions my map becomes too congested. I only ...
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2answers
161 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 ...
1
vote
1answer
338 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
277 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
2answers
2k views

How to spatially join polygon fields onto a point layer in QGIS?

I have gridded depth points in CSV format that I'm trying to add other map data to, in additional columns. I've tried joining fields, hoping that I could link the Shapefile data to the csv, but when I ...