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

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2
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0answers
29 views

Unable to add feature class based on database view in ArcMap

To solve Rendering features based on relationships using ArcGIS for Server?, we created a view in the database that joins the two tables together. That works fine. I see the feature class in ...
1
vote
1answer
48 views

Why does joining all layers in a group not work?

I am attempting to re-join all layers within a group to another layer ("Main.shp") outside of this group. The idea is for users to change values in one of the group's layers. As these layers are ...
4
votes
0answers
50 views

Using one to many join to *.xlsx in ArcGIS Desktop?

I'm working with ArcMap 10 and have some trouble joining a shapefile and a .xlsx file. The .xlsx contains sensor data (CO2, NO2 etc.) without location information. The shapefile contains all the ...
0
votes
1answer
25 views

Identifying the closest polygon to a point dataset

I have two large data sets one point and one polygon. What I was looking to do was identify which polygon is closest to each point. Hopefully I was looking for a automated process as the point data ...
0
votes
0answers
33 views

Updating attribute data based on another layer and key field?

I currently have two polygon layers (one building layer and one property layer). The information for the property layer is updated and supplied by an external source. In the building layer, I use a ...
3
votes
1answer
36 views

ArcGIS Add Join Not Working?

Im currently working on a ArcGIS ModelBuilder Project where I want to use "Add Join" to look through a list of species (Table 1: converted from excel -> Make query table -> Copy rows (to get index)) ...
2
votes
2answers
45 views

Output shapefile has no records after joining shapefile with table and exporting result?

I have successfully joined a .xls Excel spreadsheet to a shapefile. The join is successful (the number of remaining records seems accurate), although it takes a really long time (like 20 minutes). For ...
1
vote
0answers
17 views

CartoDB geom (coordinates) join: without exact match

Trying to join two datasets (layers) on CartoDB based on their geographical fields (in CartoDB's the_geom created field). However, the basic ST_Intersection function does not work since its tolerance ...
0
votes
0answers
26 views

Add Join issue with ModelBuilder?

I am trying to do a simple Add Join within ModelBuilder but it keeps throwing the 99999 error. What is going wrong? I have even tried to create a Table View for the table I am joining to a feature ...
1
vote
1answer
29 views

In QGIS is there a way to select one feature from a layer and only see related features from another layer

I am self taught. I have 3 layers on my map: Retailer, Producer and Processor. Each business in each of these categories has a unique identifier, their license number. I have a CSV file with a list ...
2
votes
1answer
46 views

QGIS Attribute update using excel

I am looking to update the Attribute table for a Layer in QGIS using a join. However I am not looking to ADD attributes to the table (thereby adding extra columns) rather I would like to "Update" ...
1
vote
1answer
30 views

Joined attributes not available in Feature Service

I have a joined feature class (PROPERTY) and table (OG_LEASE). When I publish this as part of a map service and feature service, attributes are only available in the map service. Map service fields: ...
1
vote
0answers
17 views

Expression Within ModelBuilder?

In ArcMap I add 2 tables, join on a field then run an attribute query to return any of the joined tables records that are not null in a particular field - all works OK. I would like to build this ...
5
votes
7answers
262 views

How to join data from excel to an attribute table in QGIS without creating duplicates

I have an attribute table with two empty fields in QGIS. I want to import an excel database to fill my empty fields in QGIS. My excel file matches the columns in my QGIS attribute table. I am ...
4
votes
3answers
77 views

How to Make Two Attributes Display Simultaneously on one Shape File

I am trying to make a map that displays both an incidence rate of a type of cancer and also display at the same time a percent of the population per state that has a certain vaccination. I've added ...
2
votes
2answers
39 views

How can I handle NULL values in a color ramp? [duplicate]

I'm mapping areas in QGIS 2.12 based on average pricing, using area polygons (PostGIS) joined with a CSV data table that doesn't have values for areas that didn't have any sales. I'd like to color ...
3
votes
2answers
43 views

replace records in layer with records form another layer by id and column name QGIS

I have a two polyline layers - one with 2800 rows, the other with 150 rows. Each row has a unique id column. I need to replace the records in one column of the the 2800-row layer with the records ...
1
vote
0answers
43 views

Polygons get lost when doing Join attributes by location

I am trying to do the operation "Join attributes by location" in QGIS. I have a point layer and a few polygon layers, all of them in shapefile format. I want to sum the values of the attributes of the ...
1
vote
0answers
21 views

“undo” pivot table with ArcGIS ModelBuilder?

I have a table in a geodatabase with an ID and a text field for each day of a week. The text fields contains 0 or 1 for monday, 0 or 2 for tuesday, and so on. One ID can have multiple day entries, so ...
1
vote
1answer
21 views

QGIS Way to join based on different length keys fields?

In QGIS is there a way to join a .shp file to a table when the keys are different length (by ignoring part of one set of keys?) For example .shp file key col like this 1500000US120730002001 ...
1
vote
0answers
15 views

QGIS .shp joined to xlsx.vrt; Classify works, Rule-based does not

Very simple set up. Tiger .shp file as a layer. Has a join to an xlsx non geo attribute table as a .vrt .shp has join on MTFCC to MTFCC in xlsx.vrt. xlsx.vrt, has a string field with a brief label ...
1
vote
1answer
21 views

QGIS - Have spreadsheet with col from 0% to 100% plus null want 100 bin gradient plus one more for null

Newbie alert. Have a spreadsheet with no geo; has a col with values in there from 0% to 100%, plus several blanks/nulls. Ideally would like a 100 step (bin) gradient fill from 0 (100% black) to 100 ...
0
votes
3answers
47 views

How to add two dataframe columns of city and state names to form single city-state column for geocoding in R? [closed]

I tried to search for an answer to this, but I couldn't seem to find the right search terms, so I decided to spell it out quite explicitly. I have a data frame with separate columns for cities, ...
4
votes
2answers
125 views

One-to-many joins on a feature class to a table

I am using ArcMap 10.2.2 with an Advanced license. I have used ArcMap for other basic analyses, but am fairly new to the program and have only basic coding skills, with no SQL experience outside of ...
6
votes
1answer
167 views

Joining Google Docs table to feature class at ArcGIS Online to use in Operations Dashboard?

I am using ArcGIS operation Dashboard. I get the Data Source from excel file that i have published using google docs as a dynamically data source. I need to join the excel table to hosted feature ...
6
votes
2answers
288 views

How to join a table to a shapefile with non-matching IDs and names (similar strings)?

I'm having an annoying problem that I'm trying to find an automated solution for. The shorthand version is that I have a shapefile and a table of created data for regions within countries. The created ...
2
votes
1answer
62 views

Problems with one-to-many join ArcGIS

I need to display polygons as different colors based on a value in a separate data table that I've imported from Excel. The polygon attribute table and data table both have a field with the polygon ...
0
votes
0answers
17 views

One to Many link that can be queried

I'm at my wits end, having looked through a number of posts and tried several options. At this point I'm just looking for confirmation that I cannot do what I am trying to do without ArcGIS or using a ...
1
vote
1answer
29 views

Join field in modelbuilder wont work, but will manually

I'm trying to do a 'join field' in a model. When I do the join simply not in a model, no problem. When I try to use the 'join field tool' in a model, I get the "" does not have OIDs. I have a very ...
0
votes
1answer
61 views

How do you filter a layer on a joined table in QGIS?

I am attempting to do a join in QGIS between a SQL Server Spatial table and a non-spatial table (on a single integer field). I was able to add both successfully and make the join, but the query ...
4
votes
1answer
106 views

How to automate joining SQL Server non-spatial database tables to ArcGIS shapefile

I have dozens of SQL Server non-spatial database tables. These are common tables, the column types are: nvarchar, int and float. I try to use Arcpy to automate joining these database tables to ...
0
votes
1answer
38 views

How to export joined feature classes without losing field name?

I want to export a feature class uisng arcpy that join with other feature class.I use the below code to join and export feature class. The problem is that field names of the result feature class have ...
0
votes
1answer
39 views

arcpy: I would like to join a .xls table to a .shp table using two common fields

arcpy: I would like to join a .xls table to a .shp table using two common fields, instead of one common field. Is this possible in ArcGIS using python?
0
votes
0answers
52 views

Multiple join of Access data with ArcGIS shapefile

I am looking for a solution for joining constantly modificated data to my shapefile. The shapefile consists of polygons. Each one has a code. In the Access database, I have varias colums for one code ...
1
vote
1answer
48 views

Joining two datasets based on matching values in multiple fields

I am trying to find a way to join CSV data to a vector layer only when they both share matching values in multiple fields, rather than just one field. This is a problem I'm running into with multiple ...
0
votes
1answer
36 views

Auto-selecting records in all spatial and non-spatial joined/related tables by selecting only “parent” spatial record in ArcGIS for Desktop?

(1) I have a layer of pipes with related spatial and non-spatial data linked via joins and relates. Is there a way of selecting the top/parent record and then having ArcGIS auto-select all related ...
0
votes
0answers
34 views

Preserving Reclassified Values as Attributes?

What is the BEST way to preserve original raster values as attributes in the output raster when reclassifying? I see that this question has been asked before as Making reclassified raster layers ...
0
votes
0answers
53 views

Convert raster to polygon then join attributes

I'm trying to convert IMG files to shapefiles, then joining the attributes of the IMG file to the new shapefile. I got the conversion part to work, but am a stuck on how to join the tables. I have ...
0
votes
0answers
15 views

How to join CSV data (based on admin boundary names) to shapefile of aforementioned boundaries in R? [duplicate]

DATA: CSV data, Shapefile Hi all! I'm looking to perform what I've been taught is called a spatial join. After researching this further, it's looking like this operation is most often called a ...
0
votes
0answers
18 views

(non spatial) One to one join and keeping all data

I have a set of over 20,000 villages in xls that only have a ward assigned to them - no coordinate. I do have a ward shapefile. Now I have created a data set of random points (shp) and spatially ...
0
votes
0answers
6 views

Trouble with graduated symbols after joining shapefile with csv file Again [duplicate]

This question has already been asked: Trouble with graduated symbols after joining shapefile with csv file BUT I do not know how to create a csvt file? Having a lot of trouble with this. Is there ...
1
vote
1answer
73 views

arcpy join csv files to raster attribute table

In arcpy, I'm trying to join an list of .csv files with data of emissions per country, with the attribute table of a raster in order to make lookup tables later on. So far this is my script: ...
3
votes
1answer
74 views

Does joining CSV file to shapefile overcomes the 255 character limitation of shapefile? [duplicate]

I have a CSV file in which some fields contain values greater than 255 characters. I want to ask that wether joining the CSV file with a shapefile overcomes the 255 character limitation of shapefile ...
1
vote
1answer
54 views

Join new data to selected features in a table using Arcgis

I have a point feature class, A, and I have joined data from another point feature class, B, to its attribute table based on spatial location. I selected the second option in the Join Data window ...
1
vote
0answers
102 views

Add join works, join field doesn't

My input join field and output join field are text type, and my problem is that when I use "Add Join" all joins ok, but if I want to use "Join field" there are some records with Null, it seems like it ...
2
votes
0answers
126 views

How to automate calculation of distance between a zip code (centroid) and an address within one line of data?

I have a large data set of federal contracts which includes two pieces of spatial data per entry (or line): the zip code in which the project took place and the address of the contractor. I am ...
2
votes
1answer
100 views

Is there are way to import non-geo JSON files into QGIS?

Here is a json file containing various attributes relating to countries. However, it does not contain any geographic data. http://bost.ocks.org/mike/nations/nations.json I would like to join these ...
1
vote
0answers
28 views

How to avoid field duplication when joining two vector layers?

I have 2 point vector layers wich differ in 2 fields while both of them have the same number of fields (10). What I want to do is produce a new point vector layer with 12 fields. When I join the two ...
0
votes
1answer
49 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 ...
1
vote
0answers
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 ...