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

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3
votes
3answers
132 views

Sort a table by multiple columns in QGIS

In 2012 the answer was NO! How to sort by multiple fields at the same time? My data is in a SHP file, I want to sort by 3 fields. Has this changed in the last 4 years? == EDIT == A solution like ...
7
votes
1answer
230 views

How do I optimise performance on a local QGIS + PostGIS installation?

I'm learning how to manage a local PostGIS (ver 2.1) database, with spatial indexing enabled on the shapefiles that I've imported (using the PostGIS Shapefile Import/Export Manager). I have imported a ...
9
votes
1answer
4k views

How to fill my column with consecutive numbers

I'm very new to QGIS, so forgive this simple question. Searching in older topics didn't help either. So: I make a new column in my attribute table and it has a default value (for example 0). I want ...
1
vote
0answers
24 views

NO values of field in attribute table is seen in ArcGIS Desktop?

I am having a problem in my ArcGIS 10 project. I had download land use data from my city but while opening attribute table the values for one of the fields (Land use values) are not visible.The file ...
2
votes
1answer
45 views

Performing Statistics operation on field in Attribute table?

I am working with the Shapefile consisting set of points. One of its field (let's call it X) contains numeric data, ranging from 0 to 1. In order to find out the average value of field X, I opened ...
9
votes
5answers
25k views

How to Change Field Name in ArcGIS 10.2

Can someone please let me know how I can change the field names (not the alias) in ArcGIS 10.2. I already found this page on ArcGIS support: "Renaming shapefile fields (Defense Mapping)" but there is ...
3
votes
0answers
44 views

How to access attributes from linked tables (QGIS 2.14.2 Essen)

I have one source shape file like this: It consist the geographical coordinates of weather stations: And several attribute files, wich contain the Temperature data of each date for several years ...
2
votes
1answer
25 views

Export data from “Identify Results” table to Attribute Table

I am working on a street network in QGIS. I needed to increase the resolution of the street segmentation in an area of my network, so I copied and paste this area from another layer. I selected all ...
2
votes
1answer
48 views

Why is my attributes table greyed out for raster layers?

I am trying to view attribute data for a SRTM geotiff but for some reason I cant view the data.
5
votes
1answer
3k views

Accessing raster attribute table in QGIS?

I have some Python code that makes Raster Attribute Tables for GeoTiffs using GDAL. In ArcGIS I can see these attribute tables fine and they behave how I like (as classifications) but in QGIS the ...
1
vote
3answers
138 views

Changing single character in attribute table with ArcPy?

I was trying to speed up my data processing, and I was wondering, which would be the python code, that could browse through my shapefiles, and find special single characters (which I define) in ...
2
votes
2answers
33 views

How to (automatically) extract a substring from attribute table

I have an attribute table that contains in a field/slot called "Description" data like this: <b>xyz: 11.02.2016 04:05 - 14.02.2016 04:03</b><br/><br/>0 km/h, 0 hauk/min , ODO ...
3
votes
3answers
72 views

Joining Excel File to ArcMap

I'm trying to join an excel file to ArcMap. The information in the excel file is clean and doesn't contain any characters that might hinder the joining process. However, when I join the file, all of ...
3
votes
1answer
39 views

Automatically open attribute table after ModelBuilder is complete?

I know there is a setting to add the finished product to the map after model builder is done. Is there a setting to automatically open up the attribute table after as well?
1
vote
1answer
37 views

QGIS - Show count of same attribute in feature (on visible map or by same field)

In QGIS 2.14 I have a feature with two fields; Element Type (TF1, TF2, TF3, TF4) and Trail Nº (1, 2, 3, 4, 5, 6) Each Trail has multiple Elements. I.E. Trail 1 may have 6* TF1 and 2* TF2, while ...
3
votes
1answer
46 views

Basic attribute table setup QGIS

I made several point shapefile layers. The properties only differ in their assigned colours. Each attrubute table consists of a single field "id" and each record is null. I now wish to assign a name ...
3
votes
1answer
104 views

Automated count for attribute table elements

I need to extrapolate from an attribute table the number of elements divided for categories in an automated way (it's not possible to count them manually cause the number is quite huge, about 10000). ...
3
votes
2answers
42 views

Search for textbits in QGIS

Is there a way to search for only parts of text in QGIS. Imagine I have a field in my attributetable called myField and I have several entries there, something like This is awesome Even more awesome ...
4
votes
1answer
5k 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 ...
5
votes
2answers
9k views

Adding simple table of text (Excel) into layout and preserving formatting and clarity?

I am trying to put a simple table of text (excel) into my layout and preserve cell formatting including alignment, borders and text sharpness. I've tried many approaches but nothing so far is ...
0
votes
1answer
197 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 ...
4
votes
0answers
24 views

How to synch a FeatureTable with a FeatureLayer's selection set?

The ArcGIS Server JS API contains a new FeatureTable class, which shows the attribute table corresponding to a FeatureLayer. There is an option syncSelection which: Enables an interaction between ...
1
vote
1answer
320 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
44 views

Selecting multiple rows in attribute table. Help formulating equation?

I have some GPS data that I'm working with. I would like to highlight multiple points within the track over a specific time period. For example, the track started at 10:32:03 AM and ended at 11:28:02 ...
0
votes
1answer
183 views

Trying to modify records from one shapefile to another gives Error 999999?

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 ...
3
votes
1answer
33 views

Get the full list of commons

In QGIS I've loaded the shape file "province" in which attribute table contains 242 fields (the municipalities of this province) and also two other files downloaded from openstreetmap about hotels ...
1
vote
1answer
51 views

How to find cumulative length at points on a line?

I am working on a Modelbuilder project to teach myself how to use it. I do not yet have much knowledge in Python. I am currently a little stuck on the project I am working on. I have a line made from ...
4
votes
1answer
34 views

Attribute data disappearing after converting points to line

I am currently working on a project strictly in Modelbuilder. I am trying to teach myself how to use it. I don't yet know how to use Python and am still in the early learning stage. My question has ...
2
votes
0answers
25 views

How do I merge a point attribute table to a polygon attribute table in QGIS or GRASS?

I have a point layer containing the following data: I want the following polygon areas to be added to the point attribute table as all the points occur inside the various features of the polygon ...
9
votes
3answers
155 views

How to refresh the attribute table of a layer after editing the table in the DB-Manager?

Is there any way to refresh the attribute table of a layer after editing the table (e.g. add a column) in the DB-Manager?
3
votes
1answer
43 views

displaying attribute table on top

I would like to pin (fix) the opened attribute table to the QGIS window or display the table on top. The attribute table is opening as another window (and it is possible to open the same attribute ...
4
votes
1answer
263 views

Updating attribute table from an Excel file using Python

I am kinda new to Python, please excuse for such a trivial questions. There is a shapefile (let's call it Materials.shp). I have an attribute table with different fields (for example, windows, doors, ...
2
votes
1answer
34 views

ModelBuilder Select Table?

I'm working on a project where I am building a tool to use. I have a large data set in a standalone table that has data for multiple years and multiple species. The first step in my tool is to make a ...
2
votes
3answers
128 views

How to count classified points in polygons?

is there a way to merge the attribute table of a csv file into a the attribute table of a vector? Join is not the answer for me because in this way the plugin GroupStats that you suggested me to use ...
4
votes
1answer
155 views

How can values in the attribute table be refreshed automatically when a geometry changes?

I can't find a solution for auto-refreshing attribute table data. For instance, how can the data related to features of a Shapefile (e.g., the area) be updated if the feature geometry is changed.
4
votes
4answers
3k views

QGIS exporting attributes in a KML file

Here is what I am doing: Create a layer by uploading a shape file into QGIS Select Attributes of that file Export selected attributes with the "save only selected features" check box when I save the ...
0
votes
1answer
226 views

Using Leaflet: How do I get it to display one popup based on a condition?

Using Leaflet: How do I get it to display one popup based on a condition. See below. basemap_0.addTo(map); var layerOrder=new Array(); function pop_thunder(feature, layer) { ...
2
votes
1answer
30 views

How to maintain data in attribute table when importing ASCII file to ArcMap

I am very new to using ArcGIS. I have an Excel sheet with data in it where each cell represents a grid from a model output and contains a value (eg. amount of precipitation in that grid cell from the ...
0
votes
0answers
37 views

Updating attribute data based on another layer and key field?

I currently have two polygon layers (one building layer and one property layer). The information for the property layer is updated and supplied by an external source. In the building layer, I use a ...
1
vote
1answer
46 views

How to display a table from a polygon on Google Earth

I have a polygon that I am working on in ArcMap 10.3. It has an attribute table with about 300 some columns. I am having trouble displaying the whole attribute table on Google Earth when I export the ...
3
votes
1answer
33 views

Positional join with multiple overlaying geometries, each containing a different attribute

I can't find any documentation on how a spatial join in QGIS is working on the following situation: An area layer is being spatially joined with a polyline layer in order to compare attributes of ...
1
vote
1answer
274 views

Drop-down not showing on attribute table after I set a GDB domain?

I created a file GDB with various feature classes that already have data in them. I then set up a domain to the GDB, and when I open the attribute tables of each of my feature classes there is ...
3
votes
1answer
36 views

Setting Data Driven Pages rotation when index has extra page polygons edited into it?

I have created an index to use with data drive pages. I used strip map index and then altered the geometry of the index polygons to better fit my project area. I also added additional index polygons. ...
2
votes
1answer
27 views

How to filter in the attribute table within an attribute name?

I have to create a map with the corridor information in it (in German: Flurstücke). For that, I have one shapefile with the lines and another shapefile (points) with the information about the corridor ...
1
vote
1answer
27 views

Adding information from one polygon to the attribute table of another

I would like for the watershed (blue) attribute table of this map to have a column that indicates what protected area (red) it overlaps with. (As you can see, multiple watersheds touch each protected ...
2
votes
1answer
47 views

What is the most efficient way to get a table or attribute table of a float raster?

I'm starting with a stretch point raster. Ultimately I want to get a mean value of values with larger zones and then rate the zonal mean stretching from 0-1 and output rank/zone to a table or layer ...
3
votes
1answer
37 views

How do I export data points from topology checker into an attribute table?

I used topology checker in QGIS to find all dangles in my roads polyline shapefile. The topology checker returned about 528 dangling ends, also called errors. How do I save these points into an ...
2
votes
1answer
39 views

Export RAT (KEA driver) to Shapefile

I have a dataset of rasters (driver kea) whose has, let's say, 20-30 attributes in their RAT. I'm realizing how to have these attributes in shapefiles (without using proprietary software). I've read a ...
3
votes
3answers
124 views

Converting SpatialLinesDataFrame to SpatialPointsDataFrame in R?

In R I have a SpatialLinesDataFrame (for example from a coastline shapefile) and I want to convert it to a SpatialPointsDataFrame. I want to keep all the vertices from the line shapefile to become ...
1
vote
4answers
2k 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 ...