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

learn more… | top users | synonyms

0
votes
0answers
63 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
58 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 ...
0
votes
1answer
55 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
64 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
153 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 ...
0
votes
1answer
59 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 ...
3
votes
1answer
58 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
0answers
64 views

How to create a many to one spatial join?

I have a polygon feature class of territories and a point feature class of trees. The points have many attributes, one of them is the tree species name. I need to get the list of all the tree species ...
0
votes
1answer
88 views

Python field calc syntax error

The screenshot shows a calculate field tool in modelbuilder. The error I'm getting is invalid syntax line 1. I can't see any issues w/the syntax so I'm hoping someone out there can help. It ...
0
votes
1answer
245 views

Join and Calculate vb.net

Im trying to join an excel table to a shapefile and then calculating those fields using vb.net. The code I have written has no errors, but won't work when I try it in ArcGIS 10.1 and I'm out of ideas. ...
1
vote
1answer
80 views

When I join a table to a shapefile and then export it the titles of the columns are transformed to data1, data2

I'm using QGIS 2.0.1 The table is in an excel format that i import through "add vector" and the shapefile is a polygone I join the attributes by right clicking the polygone-->properties-->join Then ...
4
votes
2answers
341 views

Spatial join - many to one

I'm trying to do a spatial join that takes the attributes of multiple polygons and applies them to a single polygon in another layer. The data is currently in a geodatabase, but can be exported to shp ...
1
vote
0answers
46 views

How to create a 1:n join and concatenate text attributes?

I have 2 polygon layers A and B. I would like to join the attributes from B into A for all the polygons from B that intersect A and for text attributes, i would like them concatenate. But apparently ...
0
votes
2answers
223 views

arcgis - updating joined excel file when adding a new sheet

When adding a new sheet to a joined Excel file in ArcGIS, the new sheet will not show till I exit both arcgis and excel. Is there a better way to update the connection...? edit: sorry for the delay ...
0
votes
1answer
273 views

Problem with MMQGIS in QGIS V. 2.0.1 - Attribute Join from CSV File

I've been trying to use the Attribute Join from CSV File function in MMQGIS, but it does not seem to work in Version 2.0.1. I've tried to join the same CSV and Shape files using V.2.0.1 running under ...
3
votes
2answers
282 views

Arcgis not seeing my column header to join tables

I am trying to join a data table to the attribute table of a shapefile. I have done all the necessary steps to makes sure it works: removed spaces, not use numbers in column headers, remove illegal ...
1
vote
0answers
54 views

Record Set (Recordset) for Join in ModelBuilder

I am trying to use a recordset to develop a Table View to use to join to a feature layer in model builder. I can export the table view directly with the user input included. However, when I attempt to ...
3
votes
1answer
102 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
0answers
60 views

export spatial information from table that is joined to a shapefile in QGIS 2.0

I have a table with data values per district for different years. The table looks like this: district name / year / value. The same district is thus present in the data multiple times for different ...
2
votes
2answers
443 views

Table join with .csv file results in null fields after join

Similar to questions already asked about .dbf files, I'm attempting to join .csv files to a .gdb or shapefile coverage in QGIS. The tables as added to QGIS prior to the join look fine, but after the ...
2
votes
1answer
95 views

CartoDB merge tables (column join) returns import error

I have been trying to merge two tables using the column join in Carto DB. The first table is a table of US counties that contains the polygon geometry and the FIPS id code. The second table contains ...
0
votes
2answers
78 views

Joining two tables in CartoDB mysteriously returns no rows

I have two tables in CartoDB, one with locations and one with related data to those locations. They are related through the common columns "placeid" and "relatedid". Both columns are string, (and ...
0
votes
0answers
74 views

Bug in Qgis 2.0 Field Calculator with Values from Joined table

I have a data of hospitals. I have two excel sheets, one has no of patients examined in each hospital and other has no. of patients treated in each hospital. I want to find percentage of treated ...
0
votes
0answers
136 views

Best way to join and handle multiple attributes related to the same feature

this is not going to be a question, I'm just trying to find some advice. Suppose I have a point shape file (for example just 2 point, actually I have many more points) representing water control ...
1
vote
2answers
674 views

Fastest way to Join tables in python automation

My issue comes form the fact that doing Joins manually is actually relatively quick (5mins), but python automation of this process is 6hrs! Here is my code: import arcpy GDB_MARK_TO_MARK_VECTOR_VIEW ...
2
votes
1answer
52 views

Can ArcGIS make a join with selected attributes being added into the outcome?

My question is when making a spatial join, is it possible to only assign selected attributes of source layer to the target layer instead of getting all attributes from source layer? I'm asking is ...
2
votes
0answers
129 views

Joining nearest neighbor small polygons using R

The figure shows a plot of numerous polygons (zoom in) made from a raster file by require(sp) require(raster) pol100 <- rasterToPolygons(r, fun=function(x){x==1}, dissolve=FALSE) There polygon ...
1
vote
1answer
158 views

Join Tables related by a composite primary key in qgis

I have two tables, one has the geometry and other has attributes. The table with geometry has unique number primary key, and 4 columns admin1,admin2,admin3,featureid. Table two is a csv file has the ...
3
votes
0answers
89 views

tablejoin in qgis 2.x adds name of table to columnheader attributetable [duplicate]

When joining a table to a shapefile through 'layer properties > joins' the columnheader of the attributetable shows the name of the file you joined. eg.: the name of the table is: STAVAZA3 the table ...
0
votes
0answers
35 views

Search an attribute and highlight corresponding polygon from a “joined-in” layer [QGIS/PostGIS]

Using QGIS 1.8.0, Postgis 2.1.0, and still new to all that. As the headline points out, I have a list of samples, which are found within areas (no point (GPS) coordinates). With a search query I ...
1
vote
0answers
61 views

How to repair a data source with joins to Excel?

I have a set of MXD files, that do not use relative paths, and related data that have been copied to a new computer. Normally it's not a big problem to repair the data sources in the project, but in ...
1
vote
1answer
465 views

keep the same field headers after joining a table to a shape file in QGIS

I noticed that after joining a table to a shape file the headers of each fields in the table used for the join are changed by QGIS and they are attributed to a different name. For instance, i had a ...
0
votes
1answer
67 views

Using JOIN TOOL in ModelBuilder

I want to perform JOIN TOOL for all DBFs generated from ZONAL STATISTICS AS TABLE into one table. However, it seems that DBF has a maximum of 255 fields while my dataset has more than 500 ...
0
votes
2answers
303 views

Problem with adding new field to attribute table after performing join by attributes

I am studying ArcMap 10.2 and concentrates on different join operations. I am working on a Personal Geodatabase. I have digitized some polygons from a raster representing houses and have created a ...
6
votes
1answer
84 views

Is there maximum number of .DBFs that can be joined using ModelBuilder?

Is there a maximum number of .DBFs that can be joined using the Join Tool in ModelBuilder? I tried joining 480 .DBFs but results generated only 250 fields in the input table. Is this a glitch? I am ...
1
vote
4answers
229 views

Joining shapefile table with csv

So I am having a shapefile with all the world countries. And the table for this shapefile has a column named "Country Name". Each of this entry is unique, meaning, each country takes only 1 row, and ...
0
votes
2answers
189 views

How to permanently join MDB database (access) table with spatial data in ArcGIS for Desktop?

I have an Access file (*.mdb), and I want to join between this attribute data with its spatial data ? But other than (join & relate way) . And I need it to be permanent .
4
votes
1answer
144 views

QGIS 2.0.1 linking table issue, MSSQL 2008 database

I'm trying to link tables in QGIS 2.0.1 and MSSQL 2008 database. I can link them but when I try to open the attribute table QGIS throws an error and shuts down creating a *.dmp file. I saw that ...
1
vote
0answers
59 views

Joining Data in ArcMap Errors

Has anybody encountered issues with ArcMap when joining data? Specifically, my rows join, however, depending on how ArcMap is feeling, I might or might not receive my data in the form of quantities. ...
4
votes
1answer
239 views

How to join data from NHGIS to make choropleth maps in R/ggplot2?

I have downloaded shapefiles of county/state boundaries and census data keyed to those shapefiles from the NHGIS. Both the shapefiles and the census data have a GISJOIN column to be used for merging ...
1
vote
3answers
430 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 ...
0
votes
1answer
927 views

Problem adding a join to a table via Python using addJoin_management

I am currently building a script for a script tool that will join data from a multitude of tables into a single table based on a common join field. Now, I have attempted to use ...
1
vote
1answer
550 views

MapInfo: How to get the population contained within 2 geographical tables

I using 3 different tables which are also geographical objects: population data; points on the map representing inhabitants (1 or more) region data; the map is divided in regions coverage data; it ...
0
votes
1answer
62 views

AddJoin_management crashes ArcMap

I am going to be using an AddJoin_management command in a python script at the end of several loops. To test, I used the AddJoin tool and use the below command in the Python window and made the ...
3
votes
1answer
107 views

Join is deleting fields in arcpy

I'm working on a script to automate the conversion of CAD .dwgs of rooms to feature classes, I'm nearing completion and am now working on the second portion of the script (I've seperated it into two ...
4
votes
1answer
1k views

Creating a spatial “Many to one” join

I'm trying to create what I call a "many to one" join. I don't know if that would be the correct term or not. I have a table that has unique account numbers for mobile homes (i.e. - M1007970) per ...
1
vote
4answers
95 views

Add only unique features from another shapefile

I've got a problem that I am sure at least one of you have dealt with. I'm new to a company that makes use of a rather large database of point data. For whatever reason, the woman who was here before ...
2
votes
1answer
216 views

Joining Multiple Features to One Feature

I have two layers - an index layer (polygon) and a town boundary layer (polygon). The desired output is a FC with each town represented as only one feature and that FC's table having a field with ...
2
votes
0answers
104 views

QGIS - How to avoid -2147483648 value from imported CSV?

I am attempting to join a spreadsheet containing all the CIA Factbook Country Comparison Data (many columns) to the existing Natural Earth world countries shapefile. I followd the tutorial here, but ...
1
vote
0answers
219 views

PyQGIS joining a dbf to a shapefile

I am trying to join a shp and dbf file using the PyQGIS API. The code I'll use is below: from PyQt4.QtCore import * vector1 = QgsVectorLayer("path to dbf file", "test1", "ogr") id1 = vector1.id() ...