To join the attributes from one spatial data layer to another
1
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0answers
22 views
Summing time spent on effort from point GPS data tracks in grid cells
I have one layer of point data representing GPS tracks collected during vessel surveys (an individual survey is indicated as the time between departing and returning to shore and there can be more ...
0
votes
0answers
50 views
How to UPDATE field based on spatial or regular join (without creating new layer)?
How can I UPDATE a field based on a spatial or regular join (without creating a new layer) in ArcGIS?
I know I can do joins by (what I call) the litter-with-new-layers approach (Joins and Relates > ...
0
votes
1answer
30 views
Assigning vector data attributes from other adjacent data
I am supposed to do a presentation on how to do this, and I'm not exactly sure what it is asking.
The question is: "how can you assign vector data attributes from other adjacent data?"
I am in a ...
0
votes
0answers
22 views
Pyscripter hangs on spatial join?
I've got a script which loops through a series of FC layers (tracker points). Using a FOR loop, they're reprojected then joined to a streets layer.
Sometimes it works fine, then other times it never ...
0
votes
2answers
63 views
How to Join Attributes by Location in QGIS 1.8.0
I have a points layer with site attributes and a polygon layer with region attributes. I'd like to join the names of the regions to the point site locations using QGIS 1.8.0., on Windows XP. ...
2
votes
1answer
79 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
vote
0answers
22 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
30 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
52 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
36 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
38 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
95 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
107 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
40 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
103 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
495 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
39 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
86 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
290 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
70 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
84 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
310 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
201 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
229 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
96 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
167 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
178 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
127 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
113 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
413 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)
...
