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

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7 views

Sort and Add Ranking in QGIS

How can I add ranking (start from 0 or 1) in a new column after sorting the table in the shapefile based on an attribute of choice? Obviously I can sort the chosen attribute in ascending and ...
1
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1answer
37 views

How do I Calculate Grouped Percentiles or Batch percentiles in ArcMap?

My question is similar to this one which was answered successfully: Calculating Percentiles in ArcMap? My addition is how do I batch this solution for multiple files or apply a group-by feature to ...
1
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2answers
60 views

Limiting digits in ArcMap?

I am using ArcMap 10.2. I want to create a land information system, one of the features attribute data includes a citizen id field, it includes 11 digits, for preventing wrong value entering, i want ...
2
votes
1answer
21 views

How to export from ArcMap to tab-delimited text file, while preserving formatting and values?

I'm working with a complicated fGDB featureclass which contains hundreds of fields, in a variety of text and numerical formats. This is proving difficult to export into tab-delimited text file format. ...
1
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1answer
75 views

PyQGIS: how to delete layer from TOC when attribute table is closed?

I'm developing plugin where I want to be able to edit non-spatial table inside the attribute table dialogue. As it seems that the only way to do so is to add this table to the TOC first, I do so. But ...
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1answer
39 views

ArcMap - show selected feature in the Attribute Table (Show All Records)

I hope I can explain my problem clearly, here goes - I have a bunch of records in my attribute table (some of which are duplicates) I can select them individually and click the 'show selected tab' to ...
1
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0answers
131 views

Can Virtual Fields be used for a rendering style?

In QGIS 2.6, creating a virtual field for a layer and adding up 2 integer fields work fine. I get the correct results and I can use that field for styling. However, when doing a Joins with 2 layers ...
2
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0answers
57 views

Shapefile downloaded from GeoServer has attribute data (in Farsi) changed? [closed]

I added many shapefiles and PostgreSQL database into GeoServer! However, when I downloaded this Shapefiles again why is my attribute data not legible in Farsi characters?
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0answers
32 views

Summarize an attribute table using python

I am a trying to summarize an attribute table for a dataset that I have. The problem is similar to the one discussed in this question here: ...
1
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0answers
18 views

assign text values to selected subset in the attribute table in QGIS [closed]

I am using QGIS and I would like to generate a new string of text in the attribute table for a selected subset of features in a vector file. I cannot find an operator in the field calculator to ...
3
votes
1answer
32 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 - ...
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2answers
68 views

Can I merge a polygon and a point Shapefile?

I have two shape files that I want to merge. One is of polygons, the other is a point file. The polygons are missing information in the attribute table that the point file has. In general, the two ...
-1
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1answer
30 views

Transferring Attributes on the Same Layer [closed]

How can I copy the values of one field in an attribute table into another field in the same attribute table?
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1answer
17 views

arcpy CSV file to raster attribute table?

Using TableToTable_conversion I can convert a CSV file to a table in a geodatabase, but how can make this table be the default attribute table for a raster in the geodatabase? I can't seem to find ...
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0answers
21 views

x and y coordinates will only display [x],[y] when field calculator is used to make a url

The standard formula for a google maps url is: https://www.google.com/maps/@-15.623037,18.388672,8z https://www.google.com/maps/@(latitude),(longitude),(zoom level)z I am trying to make a new ...
2
votes
3answers
1k 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 ...
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3answers
1k views

What software for direct editing of a DBF file?

I am currently processing GPS log data from my holiday and need to add information to the points. I remember I used OpenOffice and later LibreOffice to directly edit the files but currently I am ...
0
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0answers
25 views

Up-dating postgis spatial table from CSV files

I have a PostGIS Table I produced from importing a layer file itself created from a CSV. I am getting updates to the main file through other CSV files and need a method of importing the new CSV's into ...
0
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1answer
38 views

Copy table to attribute table

I have some tables with columns that I need to join/copy to another table, in case an attribute table. I was using join but I realized that it would be a better solution to add new fields to my ...
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1answer
27 views

Adding the file name of a mapinfo file into its attribute table

I have a task where I need to take the file name (no extension) of a mapinfo file and place it into a new field within its attribute table. I would normally use Arcpy to do something similar, but I am ...
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0answers
15 views

Summarize Field IDs from multiple tables

I would like to summarize facilityIDs' from a number of attribute tables. Two of them are point features, the third is a line feature table. I have been using the same prefix for the IDs and would ...
1
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0answers
31 views

Importing KML Google Maps files with custom data tables to Qgis 2.4.0

I am trying to visualize the complete attribute table of an exported Google Maps KML file with a customized data table, but QGIS won't parse the added information correctly. This is what I can read ...
1
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1answer
54 views

Column length editing in QGIS or ARCGIS

Can anyone suggest how I can change the length of an existing column (For ex. column name -- ABCD, column_Type -- Text, Length -- 254). It would be great to have solution on platforms like ArcGIS or ...
4
votes
1answer
167 views

Converting dbf into raster image using Python as way to add table to layout?

ArcPy does not have a function to add a table to a layout. I was thinking that maybe taking that table (e.g. a dbf), there may be some python script command to turn it into a raster (e.g. do ...
2
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2answers
34 views

How to list data in the attribute table in the same order as I selected the data?

I have a map that consists of a number of pipes that are connected to each other. Is there a way I can list data in the attribute table in the same order as I selected the data? For example: I select ...
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2answers
40 views

ArcGIS 10.3 Build Raster Attribute Table fails for large rasters

I am looking at forest loss in Central and South America within protected and unprotected areas. So I have a binary raster (0 or 1) for forest in 2000 and another raster for forest in 2013. I want to ...
1
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1answer
478 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 ...
1
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1answer
171 views

fill a layer's attribute table from another layer's attribute table

i am working on arcgis 10.1. I have a layer of polygons divided into squares of 200m/40m with the attribute table filled. I have a second layer of polygons divided into squares of 200m/60m with an ...
1
vote
1answer
45 views

Is it possible to change data (attributes) in the .csv of a data vector layer and QGIS automatically adopt this?

I have a .csv with data for 300 points: Each column on the .csv is a particular object and the cells define the amount that is available in each point. If I need to change this amount, is it possible ...
1
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1answer
44 views

Convert ASCII to Raster, then build attribute table

I recently obtained precipitation normals from the PRISM dataset online. I'm trying to import the ASCII files into ArcMap, but have stumbled across a few issues. 1) I converted the ASCII to raster. I ...
3
votes
1answer
181 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 ...
1
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1answer
62 views

Create new attribute ranking polygons by size in QGIS

I'd like to create a new field in the attribute table which gives the rank of the polygon by size. For example, the polygon of the largest size would be rank 1 and the smallest rank N. I was hoping ...
7
votes
4answers
6k views

Finding attribute table in ArcGIS for Desktop when not visible?

I've just updated to ArcGIS 10.1 for Desktop and when I go to open an attribute table, I can not see it anywhere. Where did it go and how can I retrieve it? I'm wondering if it is off my screen ...
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0answers
9 views

Is it possible to create a multi-page drop window in Google Earth Pro?

I have converted my shapefile from ArcMap 10.3 to a KMZ that allows me to open the file up in Google Earth Pro. I have made the map interactive and created hyperlinks to the files I want shown. There ...
2
votes
1answer
45 views

Save a table in ascending order in QGIS [duplicate]

Is there a quick way to sort an attribute table in QGIS in ascending order permanently and save it? My third column is an integrer, of course if I clik on the header the table will be sorted in ...
1
vote
2answers
45 views

Is it possible to withhold attribute data from a shapefile?

Basically, what I'm trying to figure out is if its possible to withhold or lock attribute data from a shapefile if you are sending the shapefile to someone?
0
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1answer
38 views

Attribute table is missing in raster after using extract by mask tool

Every time I use the extract by mask tool, the rasters that are created don't have an attribute table (i.e it's greyed out). Does anyone know what is causing this and why these rasters essentially no ...
2
votes
1answer
2k views

Replacing all null values from attribute table with zeros using QGIS?

I have a new column in my attribute table with a lot of null values and I want to replace all them to zeros. How can I do that in field calculator? I'm using QGIS 1.8
0
votes
1answer
22 views

Extracting Table data from Raster created by iterated visibility test

I would like to run a visibility test using the observer function on each of 500 random points in a region, and end up, ultimately with a table showing the visible area results (count cell for each ...
3
votes
2answers
125 views

Efficient ways to read table data from a large feature layer?

I have a feature layer that contains about 460,000 records and it currently takes about 20 minutes to read that table using the arcpy.da.TableToNumPyArray() tool. Is there a more efficient way to read ...
1
vote
1answer
43 views

Update all cells in column to match value of first row?

I have a point layer; the attribute table includes x and y coordinates of original centroids associated with the points (the points were generated from the perimeters of circle features and still ...
3
votes
1answer
78 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 ...
0
votes
1answer
70 views

Find and replace with Greek letters returns question mark in ArcGis 10.3

When I try to replace values in a field with Greek Characters they appear as it should be in attribute, but when I save the edits and re open the attribute I see question mark. The same thing ...
2
votes
1answer
43 views

Unwanted text over maps

For some reason one of my attribute tables appears to have created a graphic and is overlayed on my maps. It only happens when zoomed out 1:1,250,000 or more. I have removed all layers to see if ...
2
votes
0answers
36 views

QGIS: Not updating the row number properly. Attributing the last created point with “1” & vice versa

We have to capture the sample points in survey maps. While doing so, we are facing a peculiar problem. Our survey points start from left to right <- along the survey lines. Once we have captured ...
3
votes
1answer
391 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 ...
4
votes
1answer
361 views

Most efficient method to join multiple fields in ArcGIS

I have as set of shapefiles with approximately 300000 polygons each, as well as corresponding point shapefiles and tables with approximately the same number of row (equal or less rows than the ...
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0answers
24 views

Nothing in the feature box QGIS?

When I add a feature, the feature attribute box comes up but it has nothing in it...completely blank, no fields. It used to come up but stopped. I have re-installed it but the same thing occurs.
1
vote
1answer
2k views

Getting ValueError: max() arg is an empty sequence on a Python Script in the Field Calculator in ArcMap

I have a script that populates a FacilityID Field on a Attribute table in the Field Calculator but when I run the script below I am getting a error. EDIT: Python Script: def autoInc(): import ...
1
vote
1answer
92 views

How to replace characters to eliminate encoding errors?

Working with Qgis, I have a table representing streets. Attributes inlude street name, length, pavement and some others. Unfortunately, all names with ä or ö or ü display 'odd characters' like Ã1/4. ...