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

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1answer
887 views

How to Build Raster Attribute Table from .tif with pixel type of float or double?

I have a raster with the extension .tif. It's a subset of 87x87 pixel with values from some 6,66 to -4,27. If I right click on it there is no Attribute Table available. However, I can change the ...
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1answer
247 views

How to create attribute table for raster data?

I have raster dataset for rainfall but its not having attribute table. How can I create tabular data using the same raster file? How to join it back again to it? Software used is ArcMap 10.1.
2
votes
1answer
336 views

How to provide meanings (metadata) of attributes/fields with shapefiles?

Usually when doing GIS projects, especially when working as a freelancer, you're just provided with a bunch of shapefiles and you have to figure out yourself what all the table attributes mean. ...
0
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2answers
73 views

How can I delete from attribute table in a dxf file in ArcGIS?

Hy everybody! I have tried delete one row from an attribute table in a dxf file, but I can't. ArcMap said I need to export that to a geodatabase or something similar. What exactly should I do? From ...
2
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2answers
3k views

How to select multiple value in select by attributes in ArcGIS 10

Does anybody can help me with select multiple values from the attribute table? I try this command: "Classes"='14'AND'07' but doesn't work. Thank you.
2
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1answer
62 views

QGIS; Is it possible to show layer name in attribute table in print composer?

When adding attribute tables in the print composers it is not possible to distinguish between various tables from various layers; each table is generic and does not indicate which layer the table is ...
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2answers
311 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
44 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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1answer
320 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
170 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 ...
3
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1answer
2k views

Why can't I edit attribute table imported through 'text as layer'

I imported the coordinates from an Excel table. They show as single points as intended. Now I want to add columns to the attribute table, but I'm not able to edit it. I wanted to import the following ...
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4answers
232 views

Joining shapefile table with csv

So I am having a shapefile with all the world countries. And the table for this shapefile has a column named "Country Name". Each of this entry is unique, meaning, each country takes only 1 row, and ...
8
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1answer
3k views

How to rename attributes/fields in a shapefile attribute table?

I would like to rename some fields in my attribute table: Like rename XRF_N3in something else. It seems quite a easy issue but I don't find any information about how can I do that... I've QGIS 1.8 ...
0
votes
1answer
102 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 ...
3
votes
0answers
137 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. ...
4
votes
7answers
2k views

What is the best way to change a data type in the ArcGIS attribute table?

What is the easiest way to change the data type in an attribute table in ArcGIS for multiple fields? Say if the fields have been exported as a string from Excel and I would like to use them as ...
2
votes
3answers
104 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 ...
0
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2answers
294 views

Insert image in attribute table(unable to save edits operation attempted on empty geometry)

I have been trying to associate/insert images in an attribute table. I have created a field called pictures and data type is Raster. ( I have used this resource video to do the task) Once I load the ...
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1answer
195 views

How To Show Percentages By Coloring Polygons in QGIS?

I am trying to produce a map with QGIS that has counties shaded according to the percentage of people born in a US Region. For example, counties with a high percentage of people born in the South ...
3
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0answers
78 views

Add attribute table to a raster in postGIS

I would like to add attributes to a raster stored in a postgis database. I use the following command to insert the raster in the database: raster2pgsql -s 4236 -I -C -M ...
3
votes
3answers
469 views

How to color-code geology maps with given CMYK colors?

I'm trying to understand whether it is possible to corectly display colours in British Geological Survey maps. Our client has a licence to use the shapefiles but unfortunately BGS don't provide SDL ...
2
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0answers
80 views

Maintain Relationship Class between Feature Class and Attribute Table after primary key attribute is changed

I have a File Geoedatabase Feature Class with Polygon features of agricultural LAND_PARCELS. Each land parcel has a unique PARCEL_ID. The land parcel Feature Class needs to be related to a table ...
5
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0answers
54 views

Altering the order of attributes in a table [duplicate]

I have gone through a sequence of table joins. The resultant table should be with the attributes rearranged in more logical order. I cannot find this functionality within Arc GIS or any mention of it ...
2
votes
2answers
175 views

Correctly calculating attribute table column in gvSIG

I am trying to conduct a multicriteria evaluation, and it is necessary to check the compatibility of two different land-use types that I have in seperate layers. I am working in gvSIG 1.12, and have a ...
1
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1answer
213 views

How to concatenate XY values in attribute table without messing up the numbers in ArcGIS 10.1?

Here's the procedure I use and the resulting problem I'm having. First I use the Add XY coordinates tool to add POINT_X and POINT_Y fields to the attribute table of a point layer. I then add a new ...
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1answer
105 views

How to solve 'syntax error, unexpected LE' in QGIS query builder?

I have a very simple question about the advanced query builder in QGIS. I'd like to search for a range of numerical data values in the attribute table, but asking QGIS to show me values that are ...
3
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0answers
67 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 ...
1
vote
1answer
294 views

remove whitespace Python code results in odd character - Field Calculator

I need to remove whitespace from the end of a string in a field in ArcMap. I tried first the VBA function RTrim, but whitespace still remained. I thought maybe the whitespaces were tabs, so I tried ...
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0answers
82 views

Attribute table in Map Composer has no content QGIS 2.0 [duplicate]

I make a QGIS Plugin and I try to use the map composer to print a .pdf Map. In this Map I like to display the attribute table of a layer. I load it in with: vLayer = ...
2
votes
0answers
89 views

Convert pixel value histogram to table

I am working in QGIS 2.1 with the National Land Cover Database 2006 land cover layer. It is a raster layer with pixel values corresponding to different land cover types. I have clipped this raster to ...
2
votes
0answers
58 views

Copying an entire column between layers (tables)

I have a raster layer with probabilities as values and I process them using the Spatial Analyst extension. After the processing the values are modified, however I would like to also have the original ...
1
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2answers
279 views

ArcGIS Find and Replace attribute search error

I am editing a vector layer in ArcMap 10.1 in the attribute table the no data value for some of my fields is -1.7976931348623157e+308. I would like to replace that with 0. I attempted to use the Find ...
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2answers
1k views

How to delete multiple fields in an attribute table?

Is there a way to select multiple fields in an attribute table and delete them together in Arcmap without writing the script?
0
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1answer
2k views

How to change field formats in ArcGIS 10.1 geodatabase? [duplicate]

I am working with data in an ArcGIS 10.1 geodatabase. I wanted to complete the simple task of taking a ten-digit ID field that is currently in String/Text format and create an identical field in ...
0
votes
1answer
145 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. ...
1
vote
1answer
66 views

ArcGIS - Cell Content Deletion

I have a really simple question I can't find the answer to. I'm looking to delete a range of values from an attribute table in ArcGIS 10. I'm looking for a quick way to delete about 3000 records. The ...
1
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2answers
834 views

ArcMap attribute table has disappeared [duplicate]

I am having the same problem discussed here:. I don't know what I did but my attribute table is now lurking somewhere but I can't find it. I use only one monitor. The previous question was resolved ...
0
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2answers
103 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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4answers
95 views

Add only unique features from another shapefile

I've got a problem that I am sure at least one of you have dealt with. I'm new to a company that makes use of a rather large database of point data. For whatever reason, the woman who was here before ...
3
votes
0answers
285 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 ...
2
votes
1answer
84 views

Why do edits made in attribute table not show in associated layer? QGIS 1.8.0

I have compiled a heat map layer to display over a background raster map. I discovered that the heat map layer was incorrectly positioned because I had made an error in the coordinate entry fields of ...
0
votes
1answer
75 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.
2
votes
1answer
357 views

Generating sequential numbering for duplicate values in a field sorted by ObjectID

I am trying to figure out a solution to an field calculation problem. What I'm trying to do is automatically (using either ArcPy or the Field Calculator) generate sequential numbers, beginning at 1, ...
1
vote
1answer
175 views

Stuck updating one field based on the condition of another using Acrpy or Field Calculator

I have a shapefile with 5,000 city points. I need to populate a new field, "cls_pop", based on each cities population, so that cities with a population > 2,000,000 will have "cls_pop" = 1, cites with ...
0
votes
1answer
41 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 ...
8
votes
1answer
216 views

How to automatically populate fields instantly?

I am looking to create an attribute table where the first field is a drop-down menu (I have achieved this by using the 'value map' edit widget), but I'm struggling to find a method for the next part; ...
5
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1answer
164 views

How to convert a column of numeric IDs to letters?

I'm working with qgis 1.8.0. I divided a map into 500 features (small rectangles), and now I have the doubt if there is any way to change the ID of the attributes from numbers to letters? When I did ...
1
vote
1answer
104 views

QGIS Spatial Queries

I was wondering if I could do the following within QGIS: I want to update a column in my point layer with the attribute information from a specific column in a polygon layer - so I have a layer of ...
0
votes
1answer
95 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 ...
0
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1answer
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 ...