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

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165 views

Problem with adding new field to attribute table after performing join by attributes

I am studying ArcMap 10.2 and concentrates on different join operations. I am working on a Personal Geodatabase. I have digitized some polygons from a raster representing houses and have created a ...
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1answer
97 views

How to merge polygons into a single item where an attribute is same?

I have a shapefile of a area .It consists of list of fields in which sub locality is also a field.Under the sub locality field all the areas are common say for example: perungudi,perungudi,perungudi. ...
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1answer
37 views

Integer field name changes automatically

Last week I had imported some shapfiles into file geodatabase. It makes sense but when I checked table of the outputs I had found that some integer field names had been changed to other names. For ...
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1answer
219 views

ArcGIS Attribute table appears empty until features are selected

I have a multiple layers that show features in the data frame and the layers are editable and labeled, but when you open the attribute table for these layers, it's empty. The only way to get the ...
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1answer
39 views

Copy/ Paste from spatial attribute tables into non-spatial tables in Arcmap

Imagine I have a shapefile which has its own attribute table and I have a non-spatial stand alone table too. I am going to copy the rows from the shapefile attribute table into the stand alone table ...
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1answer
35 views

How to Add Field Between Two Existing Field in Shapefile

Can you please let me know if it is possible to add a new Field between two existing field using ArcPy? For Example if I have "Name", "Area", fiels already in my shapefile can I add a new field called ...
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2answers
95 views

Attribute Table Doubt in Qgis

I am having a shape file which consists of various fields for example: shape area ,shape length, locality, sub-locality,district etc.In my company they are demanding seprate shapefiles say for example ...
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1answer
541 views

How to delete a table field in ArcGIS?

I am trying to delete a table field: From ArcMap table view, I right click on the field heading and select Delete field. Unfortunately, I obtain the following message: Failed to delete the selected ...
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2answers
512 views

How do you auto populate a field when a new point feature is digitized?

Is there a way to populate a field automatically when a new point is dropped on the map? We have our map in State Plane Feet, and we want to the database to automatically add WGS xy coordinates to ...
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1answer
197 views

Edit multiple tables with the same structure at the same time?

does anyone know how to edit multiple tables at the same time? I have multiple .tab files and I want to change the order of the fields. Is there any way to do this for all of them at once. They all ...
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1answer
864 views

Creating an AttributeInspector via JavaScript API v2.7

I'm trying to display an AttributeInspector when I click on an object from a layer. I'm following this sample, but I cannot get it to work. Here is my sample code: dojo.require("esri.map"); ...
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2answers
2k views

How to import data from excel and associate it with individual shapes?

New user on ArcMap - Working with shapefiles... Question: the shapefile I am working on, a polygon is a plot of land, each plot of land has a history of owners. I am currently having to copy/paste ...
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1answer
41 views

Why do field values change when exporting from QGIS?

Today I came across a very strange behavior of QGIS. Maybe someone knows what's going on? I have a table with two fields which are defined as Double, with a Length of 20 and a Precision of 0. Some ...
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1answer
41 views

Use of Copy / Paste when editing attribute tables in QGIS

I have a number of polygon attribute tables with columns that I want to update with new information. Is there a way of (relatively) quickly editing info in attribute tables in QGIS eg such as using ...
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1answer
42 views

unable to modify records from one shapefile to another

I am trying to update the atrribute data of a feature class with respect to another one by matching a common field. But it is returning an error for the setValue command. My code looks like: import ...
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2answers
48 views

QGIS select features from attribute table using the “LIKE” operator

I created an expression with the help of the GUI in the QGIS attribute table of a vector (shapefile) layer of Native American ("Indian") reservations in the USA state of New Mexico. "NAME" LIKE ...
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1answer
41 views

How to delete Field From Shapefile by Arcpy [closed]

I am using the following code to delete a field from a shapefile but I am getting an error! def main(): # Import arcpy module import arcpy # Local variables: point_shp = ...
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1answer
35 views

How to store both fixed and variable attributes as a feature class?

I have a live data feeds as an XML file from the Internet. I need to use Python and ArcPy lib to store each feed as a point feature in a feature class of an ArcSDE datbase. The xml looks like: ...
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1answer
59 views

Problem of linear records with zero shape length and no geometry in attribute table

I am working with a bicycle and pedestrian facility file geodatabase in ArcMap. I noticed a some of the records in the shapefiles/feature classes have a shape length of zero in the shape length ...
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1answer
51 views

How to edit a table in GRASS?

How do I edit a table in GRASS? When importing a vector into GRASS from QGIS, all the attributes are lost and I need these to continue with my analysis.
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1answer
80 views

How do I add a lot of data to a shape file in QGis?

I have some nice shapefiles from Agesic in Uruguay, I need to add to them some information (not as shapefile) that I got from Dinamige to the attribute table. These institution are not the point, the ...
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1answer
144 views

Sum of values within a buffer polygon

I need to do the following in QGIS and hope so much anyone could help. I have a vector layer with points. Each point represents a firm with the number of employees in the attribute table. I want to ...
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1answer
64 views

Table calculation in QGis

I have a shape file with the attribute "yield". I need to know the math difference between yield (id1) and yield (id2)...then yield (id2) and yield (id3) and so on... I hope you understand what I ...
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1answer
54 views

Can you map with numbers and words in the same column?

I have a column in my .dbf file that is a mixture of gradually increasing numbers but also a word for all of the items that don't match the criteria, for example: **JUNIOR_PRI,N,4,2** 3.9 2.44 1.38 ...
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1answer
2k views

How to divide polygon layer into multiple layers by values in attribute table column in ArcGIS 10.1

I have polygon layer with multiple types of area (forest, grass, and many more), and I´d like to divide this layer into many layers by the area type. I´ve tried Split function but I receive an error ...
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2answers
586 views

How to auto populate multiple fields in attribute table?

i have Feature Class Buildings, it has many fields like ...
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2answers
404 views

Primary key field hidden on attribute table added to QGIS

I'm having the following issue with QGIS. Adding a sqlite text table (Layer > Add Vector Table) QGIS hides the primary key field (having name id). I understand also QGIS uses this field as unique id, ...
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1answer
153 views

How to view or export WMS data in tabular format?

Is there any way to export or view data from a WMS in tabular format? The info tool brings up a table showing the attributes for the selected feature, but I want to view attributes for all features.
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0answers
11 views

QGIS 2.2 Changeing txt data in theme table not working

A week ago I upgrade from QGIS 2.0.1 to 2.2 and try to edit some simple point themes I made recently. To my surprise, QGIS 2.2 randomly - not allways, does not allow me to change text I type into text ...
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0answers
4 views

Query from plugin that shows result on Map and in Attribute Table

I'd like to create a plugin that performs a static (no user input required) query that, based on a condition, selects all the features on the map and displays these in the attribute table. I have the ...
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0answers
12 views

Link/unlink buttions in the Attribute Table's Form View

Toggling the edit button, in the Form View/Table View, buttons for adding/deleting a record is available. Two additional buttons are also available (Fig. 1). From the look of the icons they perform ...
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1answer
21 views

Expression to create and populate column based on filtered fields

I wanted to create a column and populate it with data based on data from other fields. If column_1 contains fields which has similar string (eg. field_1 = "Country: UK", field_2 = "Country: US", ...
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0answers
32 views

How to output visually correlated clusters using Morans I Spatial Autocorrelation?

How do I use Morans I to output visually correlated clusters? I can seemingly generate statistical data, but not one that I know how to visually output on a map. I'm trying to run a morans I ...
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3answers
63 views

How can I change more than one attibute at the same time?

I'm working in QGIS 2.0.1 Dufour. I started by cretaing a shape file form an AutoCad file. The problem is that in the AutoCad, my layers had symbols like: "~; ç; ^". As the QGIS does not support this ...
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votes
1answer
33 views

Building attribute table from raster in ArcMap 10.1

I have a NetCDF file containing the latitude, longitude and porosity for the entire US. I am trying to add another value (wilting point) which depends on the porosity. I wanted to extract the netcdf ...
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0answers
31 views

QGIS attribute values are changing when I save and stop editing a layer

I'm working with QGIS 2.0.1 on Windows XP. I'm creating a shapefile of points with one attribute column for a 10 digit phone number. I've tried setting the type as both string and integer, but I'm ...
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0answers
36 views

QGIS 2.0 - how to search attributes for string?

How do you use the "Select by Expression" widget in QGIS 2.0.1 to select Attributes in a vector attribute table? How can a person with no SQL background learn to do this quickly?
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1answer
42 views

attribute table in qgis wont save custom values

I am trying to edit a point shapefile in qgis and I have editing on for that layer, I have added a new column for the custom data, I have set it to text and have 8 characters allowed in the column ...
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0answers
30 views

When doing table to table conversion, a text field gets converted to Blob type

I have one field that keeps getting converted to Blob type after conversion using table to table tool. The field is mostly text and fairly lengthy, maybe 250 ish characters. Is the length of the field ...
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votes
1answer
75 views

How can I access second (or even third) level attributes in a vector layer and add them to the attribute table? [closed]

I got some .dxf file containing buildings I need for my map. The file loads nicely into QGIS and I converted sucessfully to shape. I still can find the Information I need (the buildings height) in the ...
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0answers
37 views

Is it possible to do subForm on QGIS attribute table

I envy, I have data which repeats differ only in a few fields out of 20. Is it possible to over-lapping comfortably enter data manually (that is automatically duplicate the program, such as ...
0
votes
1answer
28 views

Inserting attribute table into QGIS Composer is limited to 99 rows

Inserting attribute table into QGIS Composer is limited to 99 rows? Or am doing something wrong? Stems from How to import or incorporate formated Excel tab into QGIS print composer
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votes
1answer
157 views

Sequential numbers in a field using Python in the Field Calculator on a based on Sorted Column not FID/OID [duplicate]

This code below auto-increments based on the FID/OID in the attribute table. How can I auto-increment a column based on a sort of another column? I don't want it to follow the FID/OID. Please advise, ...
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0answers
98 views

Change field attribute in one column based on Domain value from another field using Field Calculator

When I am editing a feature class, I want to automatically populate another field base on one column in the table. Here are the fields and data I am working with. Proj_Code, Proj_Name DA, Dawn Lake ...
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0answers
47 views

Using Raster Data in a Vector Layer's table in QGIS 2.01

I have a vector layer containing point data representing floor levels. The attribute table contains: Easting Northing Floor Level I also have several water surface levels representing the ...
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0answers
38 views

Reading particular fields in attribute table and exporting it as a text file

I am having a shape file for which i created a polygon centro ids using qgis. When I open the attribute table it shows various fields such as shape area, shape length,unique id x coordinate and y ...
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1answer
76 views

How to add information to an attribute table?

I'm working with qgis 1.8.0 and did the following: 1.-Divided my shapefile into 830 features (small rectangles). 2.- Added to my shapefile several points containing weather information using the "add ...
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1answer
98 views

Cannot register a Feature dataset

I am having an issue trying to register a dataset, and being able to edit a featureclass within it. I am new to SDE so please bear with my explanation. I read online you cannot register a feature ...
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1answer
70 views

Can this compilation and display of species frequency data be improved? QGIS 1.8.0

As a newbie on QGIS, I would like to find out if the way I put a species frequency map together could be improved upon. I had to map the presence or absence of 7 plant species surveyed in 30 2m x 2m ...
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0answers
42 views

How can I display multiple categorized fields joined to the same shapefile layer in QGIS 1.8.0

I have multiple csv tables to display on the same shapefile grid layer. Using the properties box, QGIS allows me to add as many join tables as I like. The trouble is, each table needs to be ...