A tabular set of data linked one-to-one to a set of spatial features.
2
votes
1answer
21 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 ...
0
votes
2answers
54 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 ...
0
votes
1answer
18 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
0
votes
1answer
46 views
Sequential numbers in a field using Python in the Field Calculator on a based on Sorted Column not FID/OID
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, ...
0
votes
0answers
37 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
votes
2answers
62 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 ...
1
vote
4answers
56 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 ...
2
votes
1answer
57 views
How to rename attribute's name of a field in a shape file 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
30 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 ...
0
votes
0answers
23 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 ...
3
votes
0answers
50 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. ...
5
votes
6answers
152 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
57 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
votes
2answers
53 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 ...
1
vote
1answer
55 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 ...
1
vote
0answers
35 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
121 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 ...
1
vote
0answers
29 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
votes
0answers
46 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
91 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
vote
1answer
56 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 ...
1
vote
1answer
31 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
votes
0answers
51 views
How do I merge US counties consistently?
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
107 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 ...
1
vote
0answers
74 views
Attribute table in Map Composer has no content QGIS 2.0
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
38 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
49 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
vote
2answers
59 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 ...
1
vote
2answers
76 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
votes
1answer
136 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
75 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
58 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
vote
2answers
70 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
votes
2answers
89 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 ...
1
vote
4answers
71 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
94 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
44 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
41 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
93 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
58 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
0answers
29 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 ...
0
votes
1answer
30 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 ...
6
votes
1answer
95 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;
...
4
votes
1answer
90 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
73 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
59 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
votes
1answer
65 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
votes
1answer
88 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 ...
1
vote
0answers
54 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 ...
1
vote
1answer
56 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 ...
