Tagged Questions

To join the attributes from one spatial data layer to another

learn more… | top users | synonyms

2
votes
1answer
43 views

Raster Version of Spatial Join (one to many) [duplicate]

I have two raster layers that are identical in shape (they overlap exactly) and I need to perform the raster equivalent of a Spatial Join (one to many). My files need to stay in raster format ...
-1
votes
0answers
30 views

polygonal join in ArcMap 10 (no need for attributes)

I have two large polygonal layers I am trying to join together. There are many polygons that are not overlapping and keeping the attributes between the two is not a priority. Any suggestions for ...
1
vote
0answers
17 views

Joining Tables, points and polygons ArcGIS

Rookie in GIS here. I have a point layer which consists of 2.2 million adresses.I also have a polygon layer that have around 5000 watersheds(covering the whole map). I wish to join these tables so ...
0
votes
0answers
29 views

How to assigning multiple values (for single field) to a polygon layer [duplicate]

I am using arcmap 10 to generate a dataset that represents apartment building stock within particular suburbs. I have point data for the apartment buildings, with fields for the number of dwellings ...
1
vote
1answer
36 views

Joining features based on location and attribute at the same time

I have a task of assigning data from database that I represent as point layer, and containing information about characteristics of soils through the world, and also soil type. I also have polygon ...
2
votes
1answer
35 views

Collapsing the multi-row output of a one-to-many spatial join to single-row (arcmap 10.1)

I'm working with TIGER data, looking at the relationships among incorporated places and counties. Not all places are completely contained by counties; some do span multiple counties. In the final ...
1
vote
1answer
32 views

Spatial Join produces incorrect values

I'm trying to do a spatial join of a point file (created from a raster) to a polygon (target), where I am joining the GRID_CODE value from the point to the polygon. I've tried a variety of ...
1
vote
0answers
82 views

How to transfer the attributes of features based on their spatial relationship?

I'd like to check if a point feature class is placed on a line feature using python in ArcGIS 10.0. I have created a set of point features and placed them directly on a group of line features at ...
1
vote
1answer
82 views

ArcMap 10.1 Spatial Join: 'Contains' and 'Within' question

I have two polygon datasets: electoral districts and postal code areas. I'm performing a spatial join to see which postal code areas are completely within a district (the area can touch the borders, ...
0
votes
1answer
35 views

SpatialJoin with “closest” option ok in python script but not when in arcmap toolbox

I have the following problem. I want to create a toolbox to obtain the distance between a polygon (Bldg.shp) and a point (pts.shp). I have started with a simple following python script: import arcpy ...
2
votes
1answer
91 views

Spatial Join Python Command to summarize attributes

I am trying to run the Spatial Join function through the python shell in ArcGIS 10. When you do the point-and-click method of spatial join, you are given a tool window with an option that asks "How ...
3
votes
1answer
363 views

Spatial Join problems in ArcGIS 10.1 - intersect polygon and lines

I have hurricane tracks (Lines) and Florida county boundary (polygon) and I want to extract only those hurricane tracks that intersect Florida. In ArcMap 10.0 I used Spatial Join (from ...
0
votes
1answer
36 views

Display county for random points

I have a county level shape file for South Carolina. I generated random points using Vector->Research Tools-> Random Points. The Attribute tables for the random points layer has only the ID included. ...
2
votes
0answers
80 views

Trouble with polygon to polygon “Join attributes by location”

I have two polygon vector layers - one of census tracts and one of water bodies. I would like to join a particular attribute from the water bodies table to each census tract, with the output being the ...
10
votes
2answers
278 views

How to perform repetitive tasks in QGIS?

I am trying to do a treatment on many feature files, so I would like to automate it. In fact, I have one shapefile with the spatial distribution of some species, and one with vegetation type. I ...
0
votes
0answers
69 views

trying to make a point to polygon attribute join with a many to many match

I am trying to match US charter schools to noncharter schools in QGIS. I have constructed a buffer of 10 miles around each charter schools and then tried a join attributes by location match with non ...
1
vote
0answers
72 views

Automatic attribution of one layer from another based on spatial relationship?

I have two layers with a 1:many relationship. Working within ArcMap, I'd like to have that relationship somehow formalized so that when I add a new feature to the child layer, it automatically gets ...
3
votes
1answer
260 views

Join attributes by location

I am trying to join multiple records that occupy the same location (polygon centroid) and have tried using the join by location plug-in but have found this does not work for me in this case as I have ...
1
vote
0answers
19 views

How to perform a join on simultaneous spatial and attribute criteria in PostGIS [duplicate]

Possible Duplicate: How to perform a join on simultaneous spatial and attribute criteria in ArcGIS? I have two point layers and want to perform a spatial join on nearest distance. I have a ...
3
votes
1answer
174 views

How to select the nearest lines to a point layer?

I am a beginner with GIS software and I'm working on QGIS. I have a problem joining the spatial layers. I have a layer with objects in one city and another layer with the streets. I need to attach ...
3
votes
3answers
196 views

How to perform a join on simultaneous spatial and attribute criteria in ArcGIS?

I have two point layers and want to perform a spatial join on nearest distance. Normally it is easy with ArcMap. But now I have a restricting condition on the spatial join. The restriction only ...
4
votes
1answer
81 views

How can you join attributes from polygons to points which are within the polygon feature using PostgreSQL and PostGIS? [duplicate]

Possible Duplicate: How to perform a spatial join of point and polygon layers in PostGIS? I don't know how to solve my actual problem. I have polygons and points (some points are located ...
1
vote
1answer
159 views

spatial join by attribute match from shapefile

i require to spatial join the shapefile having attribute by ie selecting by attribute which remains same for the target and join feature and get the output as per attribute selected i want to prepare ...
4
votes
0answers
161 views

Spatial join to kernel density / kernel density with polygon/point output in Arc

I'm looking for a way to join polygons to a density function for some other feature of interest. Current workflow make density raster from feature set of interest, using point/line/kernel density ...
6
votes
2answers
119 views

Join multiple spatial tables by distance

I'm trying to join two tables, one which contains road names and the other just a point. After exhausting research I'm now stuck. The idea is to join up the two tables using only distance, ie, select ...
2
votes
1answer
104 views

How to join attributes of donut polygon to hole polygon in ArcGIS?

First of all I'm completely new to the realm of GIS and ArcGIS. Basically I need a reliable way to determine a donut hole's containing donut for a few hundred thousand polygons (where the donut holes ...
2
votes
0answers
403 views

Intersect two layers and get resulting features

I have X layers on a map and I need to intersect chosen layers (two per time) and color resulting features. I'm trying to get this code working // get first feature (index 0) ...