A tabular set of data linked one-to-one to a set of spatial features.

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3
votes
1answer
21 views

Selecting trips that their pickups and dropoffs are located in the same polygon in ArcGIS

I have point features indicating the taxis' trip data for pick-ups and drop-offs like the following: [pickup_longitude, pickup_latitude, dropoff_longitude, dropoff_latitude, #passengers] I want to ...
3
votes
1answer
105 views

Table output from QGIS graphical modeler

I have developed my own model, which processes input vector layer. The final output is vector layer that contains many attribute fields, and of course, also the geometry, but I need a simpler output - ...
3
votes
1answer
244 views

Startup python script to re-join layers in QGIS?

In QGIS 2.2, there is a bug which involves using the JOINS properties on a vector layer (that is already being joined with several other vector layers) whereby the attributes are not fully loaded. ...
3
votes
1answer
219 views

Drop down menu for Coded Domain not available in edit session

Using ArcGIS Desktop 10.2.2, Advanced license. I created a new coded domain for a string field. I added the domain to an existing field. When I edit the features, i would expect to get a list of the ...
3
votes
1answer
907 views

QGIS 2.4 : How to search an Attribute Table?

I am learning how to use QGIS on v.2.4. When opening an attibute table, it does not have any clear "look for" search bar as seen in older versions in screenshots and videos. There is now a (SQL?) ...
3
votes
1answer
2k views

ArcMap - Opening the attribute table gives 'Could not load data from the data source' error

ArcMap wont display the attribute table of a dataset. I get an error 'Could not load data from the data source' and it says 'An invalid SQL statement was used'. It then opens a table with the correct ...
3
votes
1answer
3k views

Using the Field Calculator in a Domain field

I have a coded domain field with 10 dropdown options. Possible choices include integers and text. I need to change a selection of 250 features (which have differing values) to the same value. This ...
3
votes
1answer
902 views

ArcGIS 10.1: Subtype/Domain Functionality

Is there any way to create more complex conditional domains in a table than a single subtype and associated domains? I would like to get the same functionality that more than one subtype in a single ...
3
votes
1answer
1k views

QGIS Attribute Table Not Displaying Data

Using QGIS and one minute I could see the attribute table, the next minute I couldn't. Using QGIS on Linux Mint 13. I tried purge/autoclean/reinstall to get a completely new download of all ...
3
votes
1answer
33 views

How do I export data points from topology checker into an attribute table?

I used topology checker in QGIS to find all dangles in my roads polyline shapefile. The topology checker returned about 528 dangling ends, also called errors. How do I save these points into an ...
3
votes
1answer
77 views

Exploding features based on numerical field in QGIS?

I have a set of data as polygons, each with a Number field with value X. Is there then a way to copy this into X number of polys at the same location? (ideally points distributed across the poly but ...
3
votes
1answer
186 views

How to remove a specific unique value with arcpy

using arcpy, i would like to remove,from 50 mxd files, a specific unique value called "residence a" (exist in 3 layers) from the table of content. so i will get this result: The value of ...
3
votes
1answer
1k views

Is it possible to edit related tables in ArcGIS Online?

I would like to make an editable web map where the user can create a feature then fill in information in a related table all in ArcGIS Online. Is there any way to do this? So far, my research says ...
3
votes
1answer
572 views

Convert KML to an Attribute table

So I was wondering if it's possible to convert the KML files to an CSV attribute table (of those geometric features). So I've found this code that converts the KML to CSV, but really just prints the ...
3
votes
1answer
583 views

How to calculate the distance to multiple locations from each cell of my raster?

I'm working with Arcgis 10.1 and Python 2.7.2 How can I calculate the distance to multiple locations from each cell of my raster? I tried euclidean distance but it only provides the distance to ...
3
votes
2answers
324 views

How to show attribute table of object when user clicks on it?

sorry if I'm asking stupid questions but I really spent days trying to figure out how to add functionality to my map so that when user clicks on some map object he gets the attribute table on the side ...
3
votes
1answer
962 views

Build Raster Attribute Table with GDAL Utilities

Is there a way to build a raster attribute table using one of the GDAL utilities? I know you can view it using gdalinfo and I have successfully created one using Python, but it would be so much ...
3
votes
2answers
744 views

Why does the attribute Table not maintain input data?

for a longer time I have a problem with the attribute table. I create the polygons on the map, I fill up the table with attributes. Then, if I click "save", all the data from the table are being ...
3
votes
1answer
29 views

Setting Data Driven Pages rotation when index has extra page polygons edited into it?

I have created an index to use with data drive pages. I used strip map index and then altered the geometry of the index polygons to better fit my project area. I also added additional index polygons. ...
3
votes
1answer
91 views

How to sort attribute table using ArcObjects/VBA code?

I'm using ArcMap 9.3. Shift the rows order display (ascending/descending) for a given field is as simple as double clicking on the screen. However I'd like to know how to perform this simple ...
3
votes
2answers
492 views

Export Raster Attribute Table using Open Source software

I've got 120 or so geotiff files that I'd like to build and export the raster attribute table to something a little more friendly (e.g. csv). I'm curious if there is an open source way to do this. ...
3
votes
0answers
349 views

Batch export to shapefile by attribute field in QGIS

I have a project in QGIS where I am creating a map of plants over a large area. I want to take the "Genus" field (of which there are 100 hundred values) and essentially create 100 shapefiles based on ...
3
votes
0answers
472 views

How to export data from sql server into shapefile in the decimal format in QGIS 2.4?

The last couple of days, I have been working on exporting data from SQL to a shapefile in QGIS 2.4. While converting into a shapefile, the data type changes automatically from Float to Integer in the ...
3
votes
1answer
267 views

Can QGIS table editor achieve similar results to Pivot tables in Excel?

Is it possible to achieve similar results to Pivot Tables in QGIS table editor so as to use just QGIS instead of several software solutions? Or are there maybe some plugins capable of achieving those ...
3
votes
1answer
126 views

How do I add a field to a table using the QGIS graphic modeler?

I was wondering if anyone could help as I'm struggling to get anything out of the QGIS graphic modeler. For info I have no programming skills whatsoever. I need to be able to add a new field to an ...
3
votes
0answers
263 views

QGIS Select Single Feature not correct in attribute table

For some reason, QGIS is not displaying the correct row of my data when I click on a feature with "Select Single Feature" or even the other select tools. I have a point database linked from mysql. ...
3
votes
0answers
80 views

How do I merge US counties consistently? [closed]

I am new to QGIS. My project involves county-level data. The problem is that US counties keep changing! (See the US Historical Counties project: http://publications.newberry.org/ahcbp/) Since my ...
3
votes
0answers
372 views

How to create raster attribute table to a raster data using gdal python?

I classified a remote sensing data and saved it as a raster using Gdal python. I want to create a raster attribute table for this classified result.. my classified raster has five classes with ...
2
votes
6answers
819 views

How to export attribute table with start and end coordinates of lines to Excel?

I am working in QGIS. I have a georeferenced line layer and I want to export the attribute table and the coordinates of start and end points of my lines to Excel. Can I do this with QGIS?
2
votes
3answers
122 views

How to count classified points in polygons?

is there a way to merge the attribute table of a csv file into a the attribute table of a vector? Join is not the answer for me because in this way the plugin GroupStats that you suggested me to use ...
2
votes
4answers
103 views

CSV points not showing up when importing them in QGIS [duplicate]

I know this question has been asked before in one form or another, but those answers didn't solve my issue. I'm using QGIS 2.14.0 and trying to upload lat/lon coordinates from a csv file. When I ...
2
votes
2answers
205 views

How to show the entire number of records in the attribute table?

How do I show the entire number of records in an attribute table? The number should be around 100k records, but it only loads 2k at a time.
2
votes
3answers
53 views

Add value to entire column in attributes

Is there a way to add a value to the entire column? I don't think i can use raster calculator because it's a text i want to add, the letter "B". Here is a picture. This is what happends when i use ...
2
votes
1answer
4k views

Receiving error 000539 from CalculateField_management?

I am trying to add (ie "Author", "LastUpdated") to feature classes within a gdb and then populate each of those fields. I have been able to get my code to run properly for the numerical field but I ...
2
votes
1answer
601 views

Change field names automatically

I have an attribute table with over 2500 fields. About 2000 fields start with the name "All_txt_" (eg "All_txt_Watermelon"). Is there a way to remove this "All_txt_" from all the fieldnames ...
2
votes
3answers
193 views

Problem with deleting features/objects in Attribute Table

I am a new to the field of GIS-Software. So i hope for your patience. English is not my native language so sorry for that too ;). My overall goal is to export a DXF-File with just the special objects ...
2
votes
1answer
2k views

Iterating through columns in table using ModelBuilder?

I am unable to find any info on how to use ModelBuilder to run a certain spatial analysis function on each column in a table. I have a table to sample locations and at each location there are a ...
2
votes
2answers
86 views

Update field based on spatial query (QGIS)

I was an intermediate user of MapInfo and have recently converted to QGIS. I would often use MapInfo to add a column in boundary file A saying which zone in boundary file B it is contained in. ...
2
votes
1answer
60 views

Importing shapefile into GRASS, and multiple new rows appear in attribute table

I am importing a GADM Global Administrative Areas shapefile into GRASS (using QGIS 2.8.2 interface). When I do this, multiple additional rows are created in the attribute table. It goes from this: ...
2
votes
1answer
119 views

How to access a specific feature?

Is it possible to go to a specified row number (or perhaps the next/previous) row using PyQGIS? This code gets the value of the first attribute in the first row of the table features = ...
2
votes
2answers
468 views

Classification to attribute

Using Esri Desktop Advanced 10.2.2 is it possible to create an attribute based on a classification method, i.e. Jenks? To elaborate - if you use the symbology tab in a layers properties, you can set ...
2
votes
2answers
762 views

How to compare two string field values within a given string value in ArcGIS10

I have a polygon shapefile which displays villages [NAMING]. On its attribute table I have, in one Field, their names and for each feature and I have its municipality too [POLYGON_NM]. Now what I ...
2
votes
3answers
451 views

How can I do a batch edit of circle diameters using the attribute table in ArcGIS?

I need to edit the diameter of a bunch of circles to reflect their correct diameters, and I wondered if there was a way of drawing from the attribute table to make all the circles equal their correct ...
2
votes
3answers
2k views

Creating new shapefile based on its attributes with python?

I have a shapefile which has an attribute year. I used to generally copy and paste these features in the dataframe and then using the definition query just show polygons which were established before ...
2
votes
2answers
746 views

Is it possible to edit Delimited Text Layers in QGIS?

GIS beginner here... I have a tab-delimited text file that I'm importing into QGIS just fine. But I try to edit the attribute table, the little pencil-looking button is grayed out, and it's not ...
2
votes
2answers
8k views

How to merge (append) two tables in ArcGIS 9.3.1?

How do I merge 2 tables (they both have the same field names and columns) in ArcGIS 9.3.1 ? Thanks,
2
votes
2answers
26 views

fill shapefile with data when the attribute tables do not have the same number of rows

I have an "empty" polygon shape file. It only has one row in its attribute table. I have one attribute table called "owf" I would like to join to the polygon. Unfortunately, when I join the two ...
2
votes
2answers
65 views

Can the formula used to calculate a field in a QGIS attribute table be viewed after it was run?

I have a .shp which had undergone some edits to the attribute table a while back. A formula was used to recalculate some of the field values. I now don't have access to the knowledge of how these ...
2
votes
2answers
46 views

QGIS: Saving a Vector Layer renames the column field title as “cen2010_1”, etc

I'm trying to create a custom subset block map of the 2010 Census shapefile for Massachusetts. I've joined population data from other DBF files and am trying to save the shapefile vector layer as a ...
2
votes
1answer
108 views

How to get the average of a column?

So I have a shapefile with 160k elements. It is in UTM and I calculated the area (should be meters, right?). What I need now is the average size of each of my polygons. Meaning, summing up a column ...