The process of connecting two or more datasets based on a common attribute or spatial location.

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1answer
13 views

Returning list of field names in joined table using ArcPy?

I need to look at all the fields in a joined table performed through arcpy. I am instigating for fields in arcpy.Listfields(Feature): print fields but it is returning a large list of: ...
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2answers
37 views

How can I release the lock file on a DBF after removing its join to a FeatureLayer using ArcObjects?

I found another post with two different answers on how to remove the join between a feature layer and a standalone table, but neither method successfully removes the lock file ...
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1answer
11 views

My exported data does not align in the correct projection? [on hold]

I have excel tables the data is from a website that I need to add and update to my SDE database. The header of the excel tables have Work Order number, date, zip, department and address. The problem ...
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1answer
35 views

The best practice to join\relate\connect 4 feature class together

What is the The best practice to join\relate\connect communities\UMP\BuiltUP\Admin boundaries, Could you please consider the following scenario: I have a feature class with a name “community “ ...
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1answer
26 views

Join traffic data (point) to a road network (line) - Section between two roads - ArcGIS

I am trying to analyze the vehicle traffic in Melbourne's (AUS) road network. I have two files: the traffic data (point data for a given latitude and longitude with the average hourly traffic between ...
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1answer
58 views

Using ArcPy to Remove Join?

I am trying to remove a join in arcpy and have been all over the forums and help topics but cannot get my script to remove the join. I have tried many combinations of inputs to the remove join but to ...
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0answers
10 views

QGis - WFS and joins

I'm trying to figure out whether it's just me, or if I'm forgetting a setting. I have a shapefile which I make available for WFS-requests. Now I added a join (to a MySQL table). I tried playing ...
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22 views

How to use calculatefield_management with ArcPy and joined second table? [duplicate]

How can I use calculatefield_management with ArcPy if I have a joined second table? I want to go through the attached table's field and I want to get records where the certain fields is. How can I ...
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1answer
32 views

Difference between: join, merge and group

Suppose it is desired to make polygons A and B, and their respective attributes to be one unique polygon C. What is this GIS operation called? Is there any difference in GIS terminology about ...
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1answer
24 views

How to remove LayerName.FieldName join format in model builder?

I am running a join in model builder based on a calculated field in a geodatabase table and a created layer. After the join I am selecting features and copying selection to a new Shapefile. My ...
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1answer
31 views

How do you calculate a new field for a raster table based on value from a joined table?

I need to know whether it is possible to calculate a new field for a raster table based on a value from a joined table. Ideally I'd like to be able to accomplish this task without having to add table ...
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2answers
24 views

Why won't my csv file imported as a vector layer have attribute table headers?

I have a .csv file that has unique identifiers that I'd like to join with some legislative district shapefiles in QGIS. I've done this before, and the joins all worked fine -- and technically it still ...
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12 views

ArcGIS Route Analysis

I have a pipe network that is a imported CAD file converted to lines showing complete runs of pipe in a system. I also have a Access database imported to ArcGIS set up as a relate to my Pipe line ...
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0answers
15 views

Join a table to a pre-joined field in QGIS

I'm trying to join a .csv (X) to a .shp layer (Y), but X and Y don't share an ID field. Another .csv, Z, has TWO ID fields--one shared with X and one shared with Y. In any other language, I'd first ...
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0answers
10 views

Editing the configuration of a join in QGIS

Is there any way to edit the conditions of an existing join in QGIS? I have a .csv joined to a (polygon) .shp layer; because I only needed a few fields from the .csv, I only joined those I needed. ...
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0answers
27 views

Modelbuilder Join

Trying to do an iterate with a join to a table to create a new feature class. The output has the spatial data but with none of the fields of the join making it. I think that I have the problem ...
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0answers
8 views

Appending data from relate into single attribute table row using ArcGIS for Desktop?

I have a featureclass of cities and a separate table of city administrators and related contact info. What I need to do is consolidate all city administrator info into the attribute table of the ...
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0answers
46 views

Fastest method to join a lot of tables

i have a lot of feature class (see figure 1) the objective is to create one feature class that combines the attribute table (especially one field) of each feature class the attribute table of each ...
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1answer
52 views

Symbolising null features in graduated symbology

I have a polygon feature dataset, and an attribute from a different table that I join (one-to-one) within QGIS in order to symbolise the attributes as a choropleth map. However, not all polygon fields ...
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1answer
37 views

SQL-Like Inner Join on IDs in Two Layers in QGIS

Using QGIS v2.6.0-Brighton. This question is not about editing layers geographically in anyway. It is merely trying to find data from two layers as you would in an SQL Query and append an extra ID to ...
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1answer
46 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 ...
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1answer
57 views

Join and Field Calculator

I made a Join between a shape and a dbf, and now I want to calculate some data from the table that came as a result from that Join. Everytime I try to run the Field Calculator it says there's an ...
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1answer
43 views

How can I join a buffer layer to the layer it was created from?

I have two relevant layers for this problem: Real estate parcels (point data) Multiple ring buffer layer - contains multiple buffer rings around each particular real estate parcel. (0.5, 1, 1.5, ...
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5answers
115 views

Selectively removing whitespace from a string with SQL

I have two columns of adresses that I need to join. Column 1 has the adresses formatted as "Some Street 12 A" while column 2 has them formatted as "Some Street 12A." Ie. the last whitespace between ...
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1answer
37 views

Selected features with a join are identified improperly from a service

We couldn’t figure out why a service fails to provide correct identification for the selected feature. However, the scenarios below may highlight the issue: In the “UrbanMasterPlans_WithJoin.mxd” ...
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1answer
23 views

add points when joining two datasets together in ArcGIS

I am trying to join an excel file with a shapefile based on a zipcode. My problem is that I have multiple persons with the same zip code, but it joins only 1 of those persons. Is it possible to ...
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6 views

add points when joining two datasets together in ArcGIS

I am trying to join an excel file with a shapefile based on a zipcode. My problem is that I have multiple persons with the same zip code, but it joins only 1 of those persons. Is it possible to ...
2
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1answer
72 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 ...
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4answers
54 views

How can I join all data of two raster datasets in ArcMap 10.2?

I have two raster datasets in ArcMap10.2. One is displaying rails and one that is displaying a 100m Buffer to both sides of it. My cellsize is 100x100m. What I want is to combine the rails AND the ...
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2answers
26 views

Making data joined from Excel independent in ArcMap? [duplicate]

I have joined some data from Excel (.csv) "text" to my attributes table of one feature class. However I can't edit it. I found out it is still connected to Excel file from where I added it, and I need ...
2
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1answer
69 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 ...
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1answer
44 views

How to specify imprecise join criteria in ArcGIS for Desktop?

I need to join data from an Excel Spreadsheet to a Point feature class. Namely, matching up Addresses from one piece of data to another, and then appending the rest of the data once the addresses ...
2
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1answer
97 views

How can I display multiple multi-attribute labels for polygons

I am using ArcGIS for Desktop 10.2. I trying to import and display project data for various regions. Each project is tied to a location and I want to display Project Type, Funding Source, and a dollar ...
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2answers
223 views

Spatial join versus classical join

What are the main differences between a spatial join and a classical database join such as an equi (inner) join?
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3answers
173 views

Excel (*.xls) imported into File Geodatabase is missing records?

Long time reader first time poster :D Err I am having a few issues with a join to a File GDB from xls I imported as a table to the the FGDB. The problem being records that are in the original ...
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0answers
11 views

ArcGis Join Data CSV Problem [duplicate]

I have been trying to use ArcGis Desktop and ran into some problems while joining the data from a csv file with the shp file. I can see the attributes that have been added in the attribute table but ...
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1answer
60 views

Why can I not choose the join field I need from a csv or excel file?

I am attempting to join census data (county level) to a county base map, using the FIPS county code as the join field. I can join successfully if I do not alter the original csv file from the census ...
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0answers
63 views

Can Virtual Fields be used for a rendering style?

In QGIS 2.6, creating a virtual field for a layer and adding up 2 integer fields work fine. I get the correct results and I can use that field for styling. However, when doing a Joins with 2 layers ...
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1answer
35 views

Another Way to Join a New Column to a DBF if OpenOffice is Giving a “Longer Than the Number of Digits Allowed” Error?

When I need to add a data column to a DBF, I always download the shapefile, open the DBF with OpenOffice for Mac, us a VLOOKUP( ) to add my data to a new column, re-save the file as a DBF, then open ...
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1answer
118 views

Painfully slow performance with Join and Calculate Field

I have a point layer and a table with approximately 100 fields. I need to join the table to the point layer based on a key field and create a new shapefile / feature class. This script has been ...
3
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1answer
37 views

Join Tool (Data Management)

I have a new table with statistics data that has been calculated with the tool: Zonal Statistics as a Table; in order to know the min, max, mean, range, std, etc, from a thickness value that was ...
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0answers
24 views

Joined field not recognized as number in QGIS 2.4 [duplicate]

I have a weird problem. I've loaded in QGIS a point shapefile and a CSV table. Then I performed a join between the 2 layers and all works fine. But then the joined columns (made of integers or real ...
5
votes
1answer
49 views

Is it possible to have a 1:n join which takes the min, max, or average value?

I need to join the attributes of a shapefile with the one contained in a .dbf (or .txt) file. I currently use the "join" in the properties menu, but I have a problem. In the shapefile I have one ...
2
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2answers
71 views

Unable to merge CSV and CSVT with shapefile using QGIS due to “text” fields?

I know the question is all over this site, unfortunately I cannot find a solution. I have this CSV file and this CSVT file that I want to merge with this shapefile. I've tried to format the .csv using ...
2
votes
1answer
48 views

Adding attributes to an existing shapefile [duplicate]

I have a shapefile made of buildings, each one of them characterized by some attributes. I need to add some attributes contained in a .dbf file. The two files have in common the attribute "ID", so the ...
1
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1answer
131 views

Using ModelBuilder to Iterate, Join & Export Feature Classes?

I am trying to make what I thought was a very simple batch processing tool, but I can't get the output to work properly. I would like the model to iterate through a geodatabase, join each feature ...
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1answer
55 views

Join command, desired field not available to select

I have a problem regarding ArcGIS 10.1 and any help would be greatly appreciated. I want to join a shapefile in which I stored geographical information with a CSV data file containing certain ...
2
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1answer
52 views

Joining QGIS extent table with shapefile

I used QGIS to find the extents of a list of features from a census boundaries shapefile. I used Vector - Research tools - Polygon From Layer Extent, which creates a new shapefile with a table of ...
2
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2answers
243 views

Join Field works in ArcMap but not in Python

I am trying to join a field of values found within a DBF to a multi-polyline shapefile. They share a common field name (filename) and the values found within each are identical. I was able to run Join ...
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1answer
86 views

ERROR 000728: Field Code does not exist in ModelBulider using iteration

The first join in the model is working, but after this the names of the fields are changing in the name of the Shape and a number . Therefore get the ERROR 000728. So I like to ask you if there is ...