To join the attributes from one spatial data layer to another

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1answer
61 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 ...
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55 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 ...
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2answers
824 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
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1answer
841 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 ...
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32 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 ...
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1answer
123 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
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1answer
112 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 ...
2
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1answer
141 views

Why might Spatial Join appear to produce 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 ...
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0answers
298 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 ...
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1answer
694 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, ...
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1answer
85 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
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1answer
323 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 ...
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1answer
2k 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 ...
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1answer
52 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
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0answers
128 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
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2answers
409 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 ...
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0answers
100 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 ...
2
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0answers
129 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
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1answer
562 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 ...
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0answers
22 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 ...
4
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1answer
520 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
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3answers
546 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
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1answer
322 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 ...
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1answer
413 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
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1answer
371 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 ...
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2answers
197 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
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1answer
191 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
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0answers
527 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) ...