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

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88 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 ...
0
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1answer
183 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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0answers
140 views

How do I edit a shapefile DBF to repair an extra row?

Something got screwed up and now the rows of my DBF beyond #1210 are offset by one, meaning that each shape has the attributes that should be assigned to the next shape. If I were in a spreadsheet ...
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1answer
74 views

Summarize X, Y Table

Here is a table that is a sub-set of the data I am working with, I am trying to use the Summarize Statistics tool to select the X,Y values of the First and Last Addresses. I am looking for ...
0
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1answer
480 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
50 views

How to work around “OGR-failure while deleting field 13. Invalid field index”?

this post might be related to this one: QGIS Field Calculator Results Removed When Saving Edits But there is no suitable answer for me It is not allowed to ask another time in the other post I ...
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2answers
53 views

How to flag parcels as being within stop type dependent distance of transit stops?

first question here! I have a parcel layer and a transit stop layer. The transit stop layer has different bus stops, light rail stops, etc. I want to add to my parcel layer attribute table fields ...
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1answer
61 views

Why are attributes missing in overlay tab QGIS 1.8.0?

I want to add a diagram overlay onto a shapefile layer. When I look at the attribute table, all the correct columns are shown. However, when I open the layer property box, the attribute columns I want ...
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2answers
206 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
1k 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 ...
0
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1answer
82 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
30 views

how to divide a Area shapefile into multiple segment, so that each segment will be a seperate feature in attribute table? [duplicate]

I'm very new to GIS, I'm using QGIS and here's what I want to do: I have a shapefile of an area . I want to divide that area into multiple segment (not grid), so that each segment will be a ...
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2answers
146 views

How do I gather X and Y co-ordinate data from a vector grid overlay in QGIS 1.8.0?

I have overlaid a 10m x 10m grid onto a UK Ordnance Survey raster map. I have set both raster and vector maps to the same CRS, (OSGB 1936 British National Grid; ESPG:27700). I have a csv file ...
0
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1answer
66 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 ...
2
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1answer
123 views

ArcGIS 10 keeps putting space in table value, when nothing is wanted

I have a table with a row Page_Number_N some of the rows have values and others just have a space. For example record 4 is just a space. Field values are Strings. 1 2 3 5 When I start an edit ...
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2answers
226 views

How to re-calculate area, perim, p2a,width and length in QGIS?

I cut a part out of one feature and added it to another feature in a polygon shapefile. My problem now is that both features has the same values in the area-, perim-, p2a-, width- and length-columns? ...
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3answers
1k views

How to store data from ArcGIS layer in SQL Server?

I'm new to ArcGIS and I want to know if I can store data from a layer to a SQL Server table and if we can do this, then how? I have already made a connection between ArcGIS and SQL Server.
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1answer
2k views

Join Fields from Multiple Tables to One Table in Modelbuilder

I have 40 tables with about 2000 row with a shared ID that I want to merge into 1 table with 2000 rows. I only want to retain a distance field calculated within each table. The distance field is ...
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75 views

How to take point data from a network and input it as TO/FROM endpoint data in streets layer?

I am building a network of my city's roads in ArcMap 10.1. Right now I have three layers: 1) Streets_To-From (lines representing the southbound and westbound sides of every road and one-way streets ...
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0answers
207 views

Can't order/sort String columns in ArcMap attribute table

I am new to this site as a registered user and new to GIS in general, and it has proven quite useful to me. I have a very annoying problem with the attribute table being filled by an ArcMap ...
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2answers
110 views

Help excel table not transferring to Arc correctly!

New to GIS and Ive been trying to figure this out for a while. I have an excel sheet with CT names such as 0128.03, 0128.04, starting from 0001.00 and up. Not all CTs have .01, .02 at the end just ...
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2answers
556 views

Trigger to fill attributes (data, client ip) in table for each new objects, PostGIS

In PostgreSQL/PostGIS database stores shapefiles. Client users software - QGIS. Please help me write PostgreSQL/PostGIS trigger, which for each newly added/updated feature in layer added 'time create' ...
2
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1answer
173 views

How to split single lines to represent two-way streets?

I am working on a project using city road data. The data has every road in the city visualized as lines and with directional data stored in the attribute table (one-way to-from, one-way from-to, and ...
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1answer
120 views

How to hide/suppress and rename/alias fields when exporting to KML?

I have a feature class that needs to be exported to a KML file. I wonder if there is a way for me to export only some of the columns of the feature class's attribute table; some attributes are not ...
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2answers
358 views

How to Select by Attributes on features sharing common value?

I am attempting to 'select by attributes' a point feature with the lowest numeric value which shares a common value with other point features in another field. For example: I may have 3 point features ...
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3answers
141 views

Exporting the contents of an attribute table in formats other than an Excel file

I know that it's possible to export the contents of an attribute table to an Excel file, but could they be exported in any other format (from ArcGIS 10.0)? I have a feature class whose attribute table ...
3
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1answer
2k views

How to edit attribute tables using Python/ArcPy?

I am new to Python, so sorry for such a trivial question. There is a shapefile (let's call it Structures.shp) and the script I'm writing needs to update the value of only one record in only one field ...
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2answers
327 views

Does QGIS support internationalization?

Does QGIS support multiple languages? I have some shapefile with Arabic names in its attributes, and they appear as: ???? If I want to see the names in Arabic, do I need to purchase multi-language ...
2
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1answer
1k 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 ...
5
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2answers
462 views

Sort a feature table by geographic location

Here's in interesting challenge: I need to embed a table in a map layout so that the records in the table are sorted according to their geographic position on the ground. For example, in a ...
7
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2answers
1k views

How to Refresh open attribute table in ArcMap using ArcPy rather than ArcObjects?

I am running the Calculate Field GP tool from the arcpy in ArcMap. When a row value is updated, it does not show up untill I use the Reload Cache tool (Table Options > Reload Cache). How do I refresh ...
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0answers
360 views

ArcGIS 10 reports with map and data table

HI wonder if anyone knows how to automate a report showing parcel information along with an inset map on the same page. I have access to ArcGIS 10. thanks
1
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1answer
167 views

arcpy: can I use SelectLayerByAttribute to compare fields from joined tables?

I can't figure out the syntax to select table records where one field's value exceeds that of another. The fields are from a pair of table views connected w/AddJoin(). One view is of a fgdb table and ...
5
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1answer
94 views

Is there an Attribute Table Feature limit?

I am copying a table with 11,000+ features but only about 700 show up on the QGIS attribute table. Is there a limit? how can I avoid this problem? Thank You in advance!
2
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1answer
71 views

Clipping a buffer from network analyst shapefile to a base shapefile

I have exported my polygon shapefile which I got after I ran my Network Analyst into a shapefile. It has 6 buffer zones (delimited by time in increments of 10 minutes). When I check the attribute ...
1
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1answer
205 views

How do you parse an HTML formatted attribute value to seperate columns in a database table?

All, I have an attribute field formatted using HTML all ready to go for google earth markers. The KML in question is here: http://dl.dropbox.com/u/95231813/state_pts_MI.kml Here is the value: ...
0
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1answer
55 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 ...
3
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0answers
234 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 ...
0
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0answers
262 views

Select record from table attributes in QGIS and Python

Can anyone tell how I can access to the attribute table of a shp and select a record from a specific row and column using Python (with console or a script). I've been looking for in the qgis API, but ...
8
votes
1answer
509 views

Fastest methods for modifying attribute tables with Python?

A while ago, I wrote a quick Python function for converting an attribute table to a python dictionary, where the key is taken from a user-specified unique ID field (typically the OID field). ...
2
votes
2answers
635 views

Model Builder - iterate through columns in a table

This seems like it should be a no-brainer, but I am unable to find any info on how to use model builder to run a certain spatial analysis function on each column in a table. Problem: I have a table ...
3
votes
1answer
998 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
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2answers
220 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 ...
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1answer
64 views

Attribute table field value question? [closed]

I have a field in my attribute table that is land ownership. That field is populated with all different types of ownership but there are redundencies that are just labled differently. Ex. Parks & ...
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2answers
267 views

Setting custom valid values to a MapInfo field?

I was wondering if it was possible in MapInfo to set valid values for a field, e.g a field called material and only valid values being BIT, CON or STO? I have a basic knowledge of MapBasic. Thanks, ...
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vote
2answers
798 views

Get Number of Rows, ArcObjects (VBA 6.0)

I am sorry to bother with what may be an easy question for most of you but i am new to ArcObjects (VBA 6.0) in ArcMap (ArcGIS 10.0) and i am really struggling here. I am trying to count the number of ...
3
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3answers
1k views

Comparing table attributes in ArcGIS 10(ArcInfo)

I'd like to compare attributes of two point layers . the layers have some similar records and i try to find these . ArcGIS 10.1 has a tool to comparing attributes but i could'nt find any similar tools ...
4
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2answers
1k views

Total of attribute field of point layer per polygon layer

I have a polygon shapefile of many lakes, I also have a point shapefile of locations on those lakes where fish were caught. The point shapefile contains the attributes: Fisherman_iD, Fish_Caught, ...
4
votes
1answer
160 views

How do “join field” and “target field” work?

New user. This should be simple, but I can't figure out how to perform this basic join in QGIS. (It works in Cartographica.) My shapefile (IL_BNDY_County_Py) has two fields/columns in its attribute ...
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0answers
125 views

repeating records in attribute table

I have a point shapefile containing records of bird sightings with location, species and land cover type that has about 30,000 records. I noticed today that one record is repeated about 60 times, with ...