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

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38 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
32 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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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 ...
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votes
1answer
46 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
50 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
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1answer
35 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
57 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
50 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
41 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
116 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
49 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 ...
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32 views

How to access data from a table that has been related?

I have a data driven page table that I am trying to associate with route line data. The object of this exercise is to print the associated data on the data driven page AS or LIKE a data driven page ...
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26 views

Time not configuring correctly?

I'm trying to match data in a textfile that contains time, value, and fips code to the cntyidfp part of a map of US counties. However, even though I am able to match the two sets of data together, ...
2
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1answer
76 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 ...
2
votes
1answer
79 views

MapBasic sentence to update column contained in an object table

I was looking for a MapBasic sentence to update a MapInfo table. I've got two tables and I want to update one of them (POINTS) with an attribute of another (REGIONS). I would like to update points ...
2
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1answer
45 views

Populate a layout text element with the description from a coded value domain

ArcGIS 10.1+ lets you easily put dynamically populated text boxes in your print layouts. Doing so puts some text in the text element that looks something like this: <dyn type="page" ...
3
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0answers
147 views

Startup python script to re-join layers

In QGIS 2.2, there is a bug which involves using the JOINS properties on a vector layer (that is already being joined with several other vector layers) whereby the attributes are not fully loaded. ...
2
votes
1answer
81 views

nearest facility with pgrouting

I have a postgres table of students with lat, lon and geom, , and a table of schools with the same, and a table of roads that has been converted to nodes. I'm trying to find the driving distance to ...
3
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0answers
56 views

Can you use wildcards for column headers in Field Calculator?

I know you can use wildcards for fields like so (in the Field Calculator): case when "column" ILIKE '%example%' then 1 else 0 end Can you do something similar for the column headers themselves? I ...
4
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1answer
120 views

Find max and min values from a table based on two fields

I have a geodatabase table with the following fields: County_Name, State_Name, Date_Time, Customers Example Alameda, CA, 8/1/2014 12AM, 6 Alameda, CA, 8/1/2014 1AM, 1 Alameda, CA, 8/1/2014 2AM, ...
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0answers
34 views

Join does not return matching records after 1001 records have been successfully joined

I'm working on a process that joins a feature layer to another feature class. The code is as follows: arcpy.MakeFeatureLayer_management ("New_FC", "newFC_layer") ...
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0answers
37 views

Categorized style hiding map

I am having an issue with the style properties of my map. I imported the US Zip Code Tabulation Area map from a government website, and in a separate excel file I have a list of people connected to ...
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0answers
14 views

List Joined tables

I've a question about arcpy List* modules. I have a quite large amount of data on SDE Server. Earlier I made a list of the feature classes , and tables in the mxd-s placed there using da.Walk and ...
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0answers
34 views

Join operation does not return any matching records if the join table contains “coded value domains”

I have a point feature class and performed a join operation against a destination table with two fields containing coded value domains defined in the same file geodatabase. Another field called ...
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2answers
43 views

Changing field type of Excel attribute table for a Join

I have a string field type of shapefile already in ArcMap. I need to import an excel file in and join with the shapefile. The only problem is the field type of the shapefile is a String and the field ...
4
votes
1answer
125 views

QGIS 2.2 - possible to do a JOINS from the Action list?

I have a set of layers that need to be joined (Layer Properties > Joins) to one specific layer. The reason for this is that I will be updating and adding new layers into my project and would like a ...
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2answers
47 views

Adding an excel database to an existing shapefile [duplicate]

I have a spreadsheet with various feature data; I would like to add this data to an existing shapefile. I have a common column in both the shapefile and the excel data. I would like to be able to ...
0
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1answer
42 views

How can I get a join for pre-existing fields?

I am joining some values from a table to a shapefile. The table and shapefile have the same column names and types, but when I join, Arcmap creates a new field, and I just want the join to write the ...
0
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1answer
45 views

Is exporting to feature class the simplest way to make joins permanent?

I am a new user doing simple tasks with ArcMap 10.1 I have a shapefile and an excel file, and I want the join to be a permanent part of the shapefile. The way I've been going about this is to export ...
0
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1answer
30 views

Join leads to null value outside of edit session

I am using Arcmap 10.2 on Windows 7 I joined a shapefile with an Excel file, and the attributes are shown as until I start an edit session. Then, the values are as they should be. They match up by ...
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1answer
87 views

Join of two attribute tables with different amounts of rows

I have a hard time sorting the following out: I have two different Shapefiles. The attributetable of one, lets call it shapefile A looks the following: SHAPEFILE A ATTRIBUTETABLE Name Type ...
1
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1answer
49 views

How to join two tables and convert joined table to a vector layer containing points in QGIS? [duplicate]

I have one table that contains 450 locations and a table that has 10'000 rows containing data and no spatial information. I have a column that allows me to join them. The issue is that I want to have ...
1
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1answer
71 views

Error using 'Join attributes by location' via Python

Trying to run a simple script using qgis:joinbylocation but getting either errors or it's not processing correctly. I don't want to take a summary of the attributes, just the attributes of the first ...
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0answers
29 views

how to join 1second GPS data with dGPS using much shorter time interval?

for one of our measurements we rented a dGPS with a portable "rover". I have now our measurements from our device which also contain data from built-in GPS (1 second sampling rate) + also the dGPS ...
0
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1answer
62 views

postgis, st_within, and a join

So I'm in the middle of learning postgis/postgres. I've a polygon table. I've a point table. The polygon layer contains a foreign key that points to another table. For the example the Foreign key ...
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0answers
39 views

How can I correctly delete a join from featurelayer using arcobjects?

If I create a join using ArcMap dialog definition query can be changed if joined layer contains a definition query. For example, layer A has definition query "A", layer B has definition query "B", ...
1
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1answer
114 views

Creating a Simple Join Script in Python

I'm trying to create a simple join script in python from an arcgis model, where the only steps are joining a map to a table to produce a map with the table's properties. The attributes joined ...
0
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0answers
32 views

Broken links after joining an .accdb with a .csv in ArcGIS 10.1

I have two sets of data: A "master" file of coordinates that has one row for each location, saved as a .csv file A table with information for each location but no coordinates, saved in an Access ...
0
votes
1answer
41 views

Joining Textfile to Shapefile Arc 10 and 10.2 Differences

I am trying to join a textfile generated in stata that includes caoname, caoid, and fips. The fips code should match to a shapefile county map that matches to the cntyidfp category. In ArcGIS 10.0, ...
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2answers
46 views

Joining Tigerline Census Data 2010 and American FactFinder xls

I have a shapefile from TIGERLine data from the Census website, as well as a spreadsheet from the American FactFinder. I've edited the excel sheet to a 97-2003 workbook, and am now able to bring it ...
0
votes
0answers
41 views

Join Standalone Tables from ArcGIS Server in Javascript API

I am trying to find a way to execute the equivalent of the following query with the ArcGIS JavaScript API (I made field and table names generic): SELECT a.field1, a.field2 FROM table1 a, table2 b ...
0
votes
1answer
41 views

how to create a cloropleth world map in arcgis 10.2

I am new to arcgis and I am trying to create a cloropleth map to display ratio values for different countries. I believe that my basemap will need to have a country layer so that the shading of ...
0
votes
1answer
50 views

Join by attribute when unique identifier has multiple rows using ArcMap 10.2?

I would like to join the attributes of one polygon layer to another polygon layer by their common ID. The problem is that in layer A, each ID has multiple rows, because each represent shapes from the ...
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0answers
63 views

Create a non spatial index on an attribute in QGIS before joining two layers

I’m using QGIS 2.0.1 on Windows 7. I’m trying to join a .dbf which contains no spatial data to a shape file containing spatial data. Ideally I’d like to create an attribute index on the join field in ...
0
votes
1answer
63 views

Can anybody help me with Spatial Join in ArcGIS 10?

I have a doubt, I do not find what's happening. Screenshot: Using the Join (Join data from another layer based on spatial location) I have done an Spatial Join by location, and it is said that the ...
0
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2answers
58 views

Joining two polygon layers based on distance?

I'm new to GIS so this question may be an obvious one. I have one polygon layer of urban land use and another polygon layer of swamps. How do I join the two layers so that I get a column in the ...
4
votes
1answer
104 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 ...
3
votes
2answers
264 views

Join a CSV file to shapefile using gdal/ogr?

I have a shapefile with several attributes, for example YEAR, COUNTY, and AREA. I also have a CSV file with more fields that I want in the shapefile, such as POPULATION. Both the shapefile and the CSV ...
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1answer
123 views

Modelbuilder - Join - Keep matching records only - export to feature class

I need to join a table to a feature class in a model. Have it keep only the matching records and then export that joined feature class into a new feature class.
1
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1answer
153 views

query / filter on attribute tables with external tables joined

i tried to do some queries on joiend table fields ... i've got/found some answers concerning version 1.8 - which result in "use select + export to create a combined dataset" so i just did some tests ...