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

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2
votes
1answer
63 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 ...
3
votes
1answer
854 views

Joining table to shapefile with pyQGIS

Joining shapefiles is a relatively straightforward proess in QGIS using 'add vector join' in the layer properties menu. I can add a csv file as a vector layer, as well as a shapefile, and join the two ...
2
votes
2answers
413 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 ...
1
vote
1answer
122 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 ...
0
votes
0answers
45 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 ...
1
vote
0answers
31 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
votes
1answer
385 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 ...
3
votes
0answers
179 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
114 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 ...
3
votes
1answer
175 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 ...
4
votes
1answer
320 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, ...
4
votes
1answer
170 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 ...
1
vote
0answers
43 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") ...
1
vote
0answers
64 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 ...
1
vote
3answers
623 views

Join excel attributes to shape attribute

I am wondering if there is a way to join the attributes from excel tables to shapes in Qgis. I have abbreviations in the shape and want to add the associated complete names from excel file by ...
3
votes
0answers
15 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 ...
1
vote
0answers
103 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 ...
1
vote
2answers
260 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 ...
-1
votes
2answers
97 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 ...
5
votes
7answers
24k views

Having problems with joining an excel table to a shapefile in ArcMap

I have a shapefile of lower layer super output areas (LSOA) for England and Wales and I have a spreadsheet of the indices of deprivation for each of the LSOA's in England. I want to join the ...
1
vote
1answer
162 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 ...
0
votes
1answer
79 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 ...
0
votes
1answer
101 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
votes
1answer
46 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 ...
2
votes
0answers
72 views

How to join two fields after calculating?

I have been working with two layers and I am trying to join them and turn them into a raster data. The first layer is a watershed layer which I have assigned each shed a location from the center point ...
1
vote
1answer
61 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
vote
1answer
128 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 ...
0
votes
1answer
138 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 ...
0
votes
0answers
32 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
votes
0answers
43 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
vote
1answer
193 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
votes
0answers
43 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
74 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, ...
4
votes
1answer
245 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 ...
0
votes
2answers
59 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 ...
7
votes
4answers
3k views

How to close multipart polyline gaps in ArcMap

I have a multiple multipart contour lines that originally came from CAD drawing. I converted these into a polyline shapefile in ArcGIS. The issue I have is with gap in each contour lines that are ...
0
votes
0answers
89 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
68 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
135 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 ...
2
votes
0answers
152 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
2answers
77 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 ...
1
vote
1answer
334 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.
0
votes
0answers
87 views

Batch join non-spatial csv to shape files

I have 173 point shape files from soil testing and 173 non spatial csv files with lab ressults (one csv for each shape file) that need joining. The files are located in a library with folders named ...
1
vote
1answer
63 views

Problem with QGIS 2.2 joins between shp and csv

Didn't see question like this asked, so... I've joined csv to shp file and everythings seems ok. I've modified attribute form so that fields from joined csv appears in there. So far so good- it's ...
3
votes
1answer
114 views

Field calculator uses wrong fields when working with joined data

I am having an issue in qgis table joins. i have a joined a csv file to a sqlite database and common id is used for join. the join is displays correctly in attribute table. the attributes in sqlite ...
0
votes
1answer
83 views

Creating a New Shapefile from Joined Access Table

I'm dealing with a very large amount of polygons. Once I join the land use access table to the parcel shapefile, it takes forever for Arc to draw the polygons. I'm trying to select all residential ...
0
votes
0answers
73 views

In ArcGIS, how to automatically recalculate a calculation if I modify the Excel data source?

There's a database with buildings. Each of them has a few parameters, for example building type codes. In a distinct table each building type codes has 4 attributes. During the Join, the datas will ...
3
votes
4answers
220 views

How to assign geometry to records in a table that contain an ID of a geometry point?

We are looking to map out 'incidents' at schools, but the incident table, which contains a few thousand records, only has a school number (plus the incident data). The table format is an Excel ...
3
votes
1answer
88 views

Coloring of features in ArcMap 10.1 changes randomly while zooming

I am using the sovereign states shapefile (ne_110m_admin_0_countries.zip) from http://www.naturalearthdata.com/ and joined the attributes with a spreadsheet file that codes many (but not all) country ...
0
votes
1answer
140 views

Trouble joining table in arcgis. Joining field is 'greyed out'

I'm trying to join a shape file with a excel file I converted into a CSV. I had done this before with the same shape file but with a different CSV but this time when I try to select the column it's ...