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

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27 views

listing existing joins in table of contents feature

I am looking for a way to use python in ArcGIS desktop to check and print out the joins that exist between tables and feature classes in my map rather than right-clicking, going to joins and relates ...
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1answer
51 views

Python Scripting Displaying Incorrect Names after Join Field

My problem is that the code is adding numbers to the field names, and this is incorrect. Problem: Field should be names VALUE_122, but after running JoinField code, it becomes VALUES_122_123. The ...
2
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2answers
90 views

One-To-Many Join

I have a ZIP3 boundary feature class that contains roughly 900 records. I then have a table in a geodatabase that has 21000~ records and a ZIP3 field. How would I go about making a feature class ...
8
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3answers
6k views

Joining tables without losing original field names in ArcGIS for Desktop?

I'm wondering if there is any method to preserve the original field names in ArcGIS when I join csv. tables to a Shapefile. I ask, because sometimes I join tables with 10, 20 or even more columns ...
3
votes
0answers
30 views

Optimisation of MySQL JOIN based on a Within match

I have a table of points and boundaries, and am trying to add the boundary ID which a point is within. However, using a LEFT JOIN ON Within(location, boundary) it is taking about 3.5 hours match ...
2
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0answers
63 views

Making Large Data Sets Faster in ArcGIS Online or Portal

I have a sql view joined to a parcel layer for the entire city of New York (over 800k records). All data is registered to to the arcgis server. As you could imagine, this produces very slow response ...
4
votes
1answer
120 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 ...
1
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0answers
88 views

How to show two layers at the same time in Qgis

I have a question about Qgis layers. I want to see two layers at the same times. one is lines which are boundary lines and the other is polygon which are district. when i was surfing about this ...
3
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3answers
255 views

How to Join two feature classes without common attribute

I have two shapefiles of essentially the same objects however, one shapefile has terrible spatial data but great attribute data and the other is the reverse. What I'm looking to do is essentially a ...
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0answers
77 views

Using Join with a Raster File

I would like to add a new field to a raster file. Then, I would like to add the new field content. Can I do this with a join of attributes? I know that a raster file can be reclassed. But there ...
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0answers
24 views

Fail in searches on the joined table data

When a table is joined to a standalone table, the searches on the joined table data return a fail. Is there another way to solve this inconvenient without save the layer with joined table under a new ...
1
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2answers
143 views

One-to-many join in QGIS

I am looking for a possibility to make a one-to-many table-join in QGIS. I have a shapefile with postal codes and would like to join them with survey results (more than one). In other words, there ...
1
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0answers
28 views

Join tables in QGis 2.01. Dufour

I performed a "join" going to the properties option in a shapefile (in this case is just a table), in order to join the attributes from another shapefile that has a field in common, specifically ...
2
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0answers
43 views

Can joined tables be served by QGIS Server WFS?

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 ...
0
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0answers
84 views

Join tables with duplicate values

I have two sets of data: list of parcel numbers and locations which I am interested in Address database for the county (shapefile) In dataset 2 there can be multiple instances of the same parcel ...
0
votes
0answers
78 views

What is the function for Joins and Relates?

I was writing a script to do a Join based on Spatial location. I don't want to do a spatial join as it will have all the fields of the layer that is joined to the target layer. I want only the fields ...
0
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0answers
64 views

Assigning one-to-many polygon to .csv data in ArcGIS for Desktop?

So I am currently working with two separate files. One is a polygon feature class detailing a specific countries' subdistricts. These subdistricts are identified using a specific alpha-numeric code. ...
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0answers
50 views

Nearest neighbour / spatial join with attribute condition

I have 2 point format datasets I wish to schematically join (manholes & gullies). I am content that I can join them by nearest proximity alone using e.g. NNJoin plugin. What I would like to do ...
1
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1answer
42 views

Table join not displaying in createLayer function in cartodb.js

I am trying to build on the cartodb tutorial to develop a map of fibre networks in Africa. The example works fine when my SQL select is very simple i.e. var layerSource = { ...
3
votes
1answer
47 views

ArcGIS converting list of enumeration in single field of s-57 data?

Im storing s-57 data in an MDB which is being symolised via a layer. Some attributes in s-57 data can be a list of enumerations and I want to find a way to show the actual values the enumeration ...
3
votes
1answer
5k views

Why can't I use a Join in a model?

I'm trying to build a model using Model Builder in ArcGIS 10.1 that starts off by joining two shapefiles together based on a common field. I would like to make this open ended (not hardcoded) so I can ...
0
votes
4answers
96 views

ModelBuilder - Iterate through tabels to join and export and keep original field names

I am trying to iterate through an excel with over 200 sheets and join each to a ZIP code layer. I then need to symbolize each of those the three different ways and save that to a layer file. In order ...
1
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1answer
59 views

Joining Excel file with CityGML file using FME?

I want to join a excel file with a CityGML file with FME. i want to join the excel file with the geometry of the CityGML file. all attributes should join this file which settings should i choose ...
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1answer
43 views

Joining table to a near table

I calculated the distances between one set of xy coordinates and another set of xy coordinates. So my near table has the ID variables, distance and rank. However, when I join the near table to the ...
2
votes
1answer
80 views

QGIS feature subsets are incompatible with table joins. Bug?

When using QGIS 2.8.2, I am unable join a table to a layer that has a feature subset (Layer Properties > General > Feature Subset). For example, creating a feature subset on a layer prior to joining ...
1
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1answer
73 views

Working w/ Shapefiles Containing 50,000 to 300,000 Features

I work daily with shapefiles that are quite large in number of features using ArcGIS. Sometimes I am able to perform operations (joins, selections, exports, etc) on these shapefiles (though they do ...
0
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0answers
74 views

What is corrupting my layer file?

I'm trying to save layer files from a colleague's mxd. As usual I right clicked on the layer and saved as layer file. Simple - but no - the layer files can't be opened. I get this message "Adding ...
2
votes
1answer
145 views

How to conduct an inner join with QGIS?

My QGIS (2.8.2) joins always result in an outer join. How do I create an inner join with QGIS?
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1answer
117 views

Problems when joining large shapefiles to excel table

I began with a shapefile of 330,000 features, each having already been geocoded (not that it matters I don't think). I attempted to join this shapefile to an excel spreadsheet but of course, Arc ...
0
votes
1answer
63 views

Join line segments sharing a common attribute, using GDAL

I'm having trouble rendering a shapefile consisting of trail routes broken down into many short segments. So I'd like to combine them into a small number of line features, which share a NAME and touch ...
0
votes
0answers
43 views

csvsql SQLite --insert causes ID to change

I have a question that stems from a solution provided in this Question: Join a CSV file to shapefile using gdal/ogr? I've been using this to do joins successfully but for some reason, I have a field ...
1
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0answers
60 views

Export Joined table an Feature layer based on a query

I have a table and a layer joined fine, I am trying to export the end result into a file geodatabase, the export is fine if I specify specific name, other than that it exports the original layer data. ...
1
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2answers
436 views

How to join a File Geodatabase table with only one record of Feature Class

I've a Geodatabase containing a Featureclass and some File Geodatabase Tables. Each File Geodatabase Table is actully about the only one record of a featurClass. Can We Join these File Geodatabase ...
0
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1answer
69 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 ...
0
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1answer
891 views

MapInfo SQL: Selecting all columns from one table, some cols from second table?

I'm fairly adept with the SQL Select in MapInfo, but I'm running into something that's got me a bit stumped. I've got data in two tables that have a few columns in common. I want to join the tables ...
0
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0answers
21 views

Adding values from a text file to a gridded area on my map [duplicate]

I have a .txt file with comma seperated values. Each individual value corresponds to a cell in my grid. The first value in the .txt file corresponds to the cell in the first column and first row of my ...
1
vote
1answer
88 views

Joining Parcel/Building Attributes Based on Coordinates

GIS noob here: I downloaded a building footprint shape file for a city and imported it as a vector layer in QGIS. I was hoping to see street address information in the attribute table, but there was ...
1
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1answer
106 views

Adding data from a table to a grid in ArcGIS

I have a table with 720 rows and 156 columns. I have a grid with 720 rows and 156 columns. I would like to assign the values from the table to the corresponding values in the grid. I am a beginner to ...
1
vote
2answers
82 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
0answers
18 views

Join based on approximate area

I am trying to join information from a table to information from a feature class based on "approximate area". I have drawn (on-the-fly) building footprints, multiple footprints per parcel. I have ...
1
vote
1answer
777 views

arcpy JoinField_managment RuntimeError

My script is supposed to pull weekly flu data from a department of health website, parse it for that week, and then push the data up to our ArcSDE server so that it can be displayed on our Web Mapping ...
0
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0answers
154 views

google earth xml export

i would like to ask a question that pertains to exporting xml to be used in a google earth .kml file. my map incorporates daily specials for local businesses. i am joining two tables to accomplish ...
2
votes
2answers
3k views

Join multiple fields to table and export new table as join field name using ArcGIS Geoprocessing?

I am bit new to geoprocessing and ModelBuilder. I am using join field tool to join table (info tables/.dbf) to one a shape file. I am trying to use ModelBuilder, as there are around 100 tables (each ...
1
vote
1answer
109 views

why the values are NULL if I join the csv table to a point shp file [closed]

So my problem is all values are NULL if I join my csv-table to a point-shape-file. (QGIS) Why? I tried so much thing but I can not find and handle the problem. I have customer names in the csv, ...
0
votes
1answer
63 views

Exporting KML from QGIS with relation (one-to-many) table as popup

Here is a challenging one for someone. I have two tables in QGIS. Holes (parent) - Which contains the borehole locations. Strata (child) - which has many rows that contain the strata for each ...
0
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0answers
300 views

Multiple LEFT JOIN in PostgreSQL

I got a "nice" problem with a query in PostgreSQL with a multiple join SELECT DISTINCT "Monitoraggio_L001_L008_2015_aprile"."ID", "Monitoraggio_L001_L008_2015_aprile"."Ordine", ...
1
vote
2answers
61 views

What is the strategy to add attributes to shapefile when the number of records are not the same?

I'm trying to add attributes (in excel format) to an existing shapefile using ArcGIS, but the number of records between the two are not the same; there are some records in one file but not in the ...
1
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0answers
139 views

Joining shapefiles based on FID in QGIS [closed]

I want to join shapefiles (or a shapefile and a data file) based on their mutual FIDs and can't see the FID in the "Target Field" dropdown on the join form. I believe this is a basic need to have ...
0
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1answer
72 views

Write CSV table for join self in ArcGIS for Desktop?

I wonder how I would write a table for a join which I want to perform. Right now I wrote a .txt File, tab-seperated. The headerline only contains letters. Here is the problematic table: ...
4
votes
1answer
1k views

Most efficient method to join multiple fields in ArcGIS

I have as set of shapefiles with approximately 300000 polygons each, as well as corresponding point shapefiles and tables with approximately the same number of row (equal or less rows than the ...