The process of connecting two or more datasets based on a common attribute or spatial location.
1
vote
2answers
155 views
Creating non-spatial Many to One Joins/Relationships between tables
I may have missed a trick here but I can't seem to find a solution.
I have a table of ~1.6 million postcodes, also containing co-ordinates, and a separate file detailing ~6000 a population with ...
4
votes
0answers
123 views
How to join fields which must still be created in ArcGIS Model Builder?
I am in the process of creating a generic model in ArcGIS Model Builder. At one point in my model, I have to do a join between an existing layer (entry parameter) and a table issued from the "Zonal ...
3
votes
0answers
30 views
Adjacent DEM files have narrow triangular gaps when joined
Newbie here. I've downloaded several DEM files from GeoCommunity which correspond to adjacent regions. When I join them together to form a larger relief map there are triangular 'gaps' on all four ...
2
votes
0answers
190 views
How to join data from a CSV to a shapefile using QGIS
I'm new to GIS and new to StackedExchange.
I need help joining a CSV of Accessibility data to a LSOA shapefile in QGIS.
The process explained here does not work for me and I don't know why. The ...
2
votes
0answers
154 views
ArcObjects : How to change layers connection properties without losing joins
I'm using arcObjects 9.2.6 java librairies to change connection/path properties within a java prog.
This prog aims to change path and connection properties for all layers of an mxd file.
It works well ...
1
vote
0answers
22 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
0answers
43 views
Quering a ArcSDE featureclass attribute table after joining
I am trying to query a ArcSDE Feature Class after joining using Iqueryfilter
I have two SDE feature classes.
1) Subdivisions : which has details of subdivision and districts (parent)
2) ...
1
vote
0answers
42 views
Join .csv file and .shp of georeferenced points
I have georeferenced a map and saved a selection of some points on the map. These points are cities of departure and arrival and I want to join the .shp with a and excel .csv with the information of ...
1
vote
0answers
34 views
Can i use self join in a table of feature class(ArcGIS - ArcInfo)?
I read an article about self join (pros and cons) in databases. It was very interesting for me and raised a question about self join in Geodatabases. I surfed on the internet but I couldn't find any ...
1
vote
0answers
51 views
Join field from table to a raster layer
I'm trying to join a field in a table to a raster layer. I'm using the tool 'Join Field'. The table is in a excel sheet, but have been imported to a file geodatabase. The table has an ObjectID field ...
1
vote
0answers
157 views
In ArcGis 10, spatial join of a hot street value to a fishnet cell is counting multiple values for same street segment
So, I am working on a fishnet, so that we can attribute multiple values to points within different cells (i.e., ranking light poles as optimum for traffic cameras based on the number of speeding ...
1
vote
0answers
162 views
Should Delete Field work in ModelBuilder while there is a Join present that appears unrelated?
I am having an issue with a very simple Model, both in ArcGIS 9.3 and ArcGIS 10.0. The part of the Model that is causing trouble is shown below, along with ModelBuilder's error message (in ArcGIS ...
1
vote
0answers
424 views
arcpy spatial join input parameter problems
Using ArcGIS 10 SP4 with all extensions...
I have a parent directory (J:\...\spatialjoin) containing two sub-directories of feature classes I want to spatially join.
Directory 1 (target features) ...
1
vote
0answers
43 views
GeoJoin with ArcGIS Services
Has anyone seen any ways to dynamically join data in services. E.g. I've already exposed County boundaries in a MapService, now I want to let users join their relative data to this service for their ...
0
votes
0answers
72 views
MS Access join table values, not recognized by ArcGIS symbology
I joined a MS Access database table to a GIS file. When I try to use symbology (categories) to represent a yes/no value which is in the table file (0/-1) it does not recognize it as a value.
0
votes
0answers
256 views
How to do a spatial join if QGIS 1.8 keeps crashing?
I am trying to perform a simple spatial join (adding polygon data to points) in QGIS 1.8:
target vector: points
join vector: polygons
take attributes of first located feature
keep all records
...
0
votes
0answers
168 views
How to Query Parks in GeoNames and Combine it With a Polygon Layer?
I run a hiking site and would like to get parks where you can at least have a nice walk. That means they should not be playgrounds, stadiums, and probably be bigger than 3 square city blocks at least.
...
