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

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1answer
141 views

Arcpy.da.SearchCursor() help when attribute doesn't exist

I'm updating text elements off of an arcpy.da.SearchCursor script and needed to construct the script to return a response for when the attribute does NOT exist. Here is the snippet of the code THAT ...
1
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1answer
23 views

Merge vector points with point name into field name ArcGIS

I am merging several points gathered on GE, after converting kml into a shape file. I would like to have in the output file (merged) a field indicating the filename of the corresponding source ...
1
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1answer
26 views

Transferring attributes based on location in QGIS?

I am using QGIS and I have a shapefile (shp1) mapping all private properties in a region, and another one, with the states boundaries. The attributes tables have no field in common. What I would ...
0
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1answer
10 views

Calculating one cell in an attribute table in ModelBuilder

There are two point feature classes--let's call them Established_points and Newcomer. Established_points has, among others, two attribute fields called (for example) ALL_SIGHTINGS and ...
3
votes
1answer
41 views

An equivalent for field statistics for records

I know how to obtain various statistics for a field, or "column", in an attribute table in ArcGIS. Is there any way to obtain a Mode figure for records, or the "rows" in a table? For instance, an ...
0
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1answer
23 views

Automatically populate attribute table based on feature location within another feature?

I have two datasets. One of all the suburbs in a particular state. The other of all the housing lots across the state. I want to add a field to the lot feature class' Attribute table which can then ...
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0answers
23 views

ArcGIS copy raster function, tif output doesn't have attribute table

I was using ArcGIS CopyRaster function to copy a raster file in file geodatabase to tif file. The initial raster has attribute table. But after applying the CopyRaster function, the output tif file ...
0
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1answer
34 views

Scrolling through selected records in attribute table

I am working with data from GPS tags to determine departure/return times so am I am currently going through the attribute table for each tag and clicking each consecutive record to highlight the point ...
2
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3answers
228 views

How to use field calculator to change values from a,b,c etc. to 1,2,3 etc.?

I have a vector shp with a column with string values. How can I convert this to a column of integer values in another column but keep the categorization: e.g. from: col1,newcol2 A, A, B, A, C, to: ...
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0answers
18 views

Auto fill fishnet labels attribute table?

We are working on creating a DEM on a certain area and we created a fishnet on a certain area with the labels ( dots ) now we have to fill the attribute table of these labels by the nearist contour ...
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0answers
27 views

Selecting desirable records from a table and inserting them in another table

I have a shapefile which is the result of intersection between two polygons. In the records of intersection polygon some features in the polygon no 1 has many intersections with no2 polygons and I ...
1
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1answer
27 views

Re-ordering fields in an Attribute table in ArcGIS Online

Im trying to rearrange the order of the fields in an attribute table layer in ArcGIS Online. Ive read that i must hold down the left key and drag the field header left or right. I tried but that ...
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2answers
25 views

Changing specific dates into years in attribute table

I have a shape file with all the buildings of the region. In the attribute table I have a field containing the date that the individual buildings have been built. I need to count how many buildings ...
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1answer
88 views

How to Edit Field using VBscript or Python in Attribute Table

I add a field called Name in attribute table in arcgis 10.1 but I can't edit this field. From this site, I have learned that this can be done by field calculator using VBscript or Python. As I have ...
1
vote
1answer
27 views

QGIS: how to label a continent map with distinct values from shape file?

I have a continent shapefile containing the names of its different countries. Unfortunately, many of these countries have more than one entry (i.e. more than one row in the attribute table). ...
3
votes
1answer
67 views

How to Add Name of Different Category in Attribute Table

I'm stuck in a problem when I started calculating area in arcmap 10.1. In the picture, I categorize my polygon into four unique labels - i.e. vegetation, sand fill, water body, built-up area. Now I ...
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1answer
30 views

Import KML filename as attribute

I have over 5,000 KML files where its name (*.kml) is crucial for my analysis: it contains the ID of that feature. I want to use the filename to populate a new field, or replace the existing content ...
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0answers
16 views

combobox show two layers: selected layer + 1 field of another layer

I am new to Python, I have problem with combobox. When I select one layer of list, I want to show selected layer and near analysis from another table. Or When I select one layer of list, I want to ...
0
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2answers
43 views

Extracting mean elevation values from DEM based on multi-polygon shapefile?

I'm trying to get the overall average elevation for different areas delineated within a polygon. Originally, I converted the Digital Elevation Raster (DEM) to a polygon and tried to merge the ...
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0answers
34 views

Attribute table: Add columns from one layer to the other one (both shp types)

I have two layers, both shp type. One contains villages with all their details, the other one is a result from a point sampling tool, so two columns - population density and elevation. What I would ...
0
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1answer
213 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 ...
1
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0answers
41 views

Line width proportional to value in attribute table in QGIS

I am visualizing trade flows in QGIS. I am trying to make the line width of approximately 100 polylines be proportional to the associated value listed for each in the attribute table. Several posts ...
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1answer
22 views

Merge external table with GIS SpatialLinesDataFrame file in R for attribute table

I have a SpatialLinesDataFrame file named "Sldf" which lacks attributes for each line (see table of sample data below). I have a separate data.frame (from a .csv) named "fsub" with attributes that I ...
3
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2answers
132 views

Attribute table : How to select more then one feature?

I have a vector layer: ROADS that is composed of different types of roads: primary, secondary, tertiary, trunk, etc. When I right click on the layer ROADS and I go to Attribute table -> Select by ...
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0answers
28 views

Auto populate a field in the attribute table with unique IDs

I am a GIS specialist for an engineering company and I am setting up Arc Collector on ipads for field workers. The field workers go to residential properties and collect soil samples. Each property ...
3
votes
2answers
1k 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 ...
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1answer
51 views

How do I populate one attributes table column based on a value from another column? Qgis

I am trying to populate all data points with an elevation based on the fid. Basically, all fid's of 0 have an elevation of 1700, all fid's of 1 have an elevation of 1740 (there are 48 fid's) ... There ...
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1answer
21 views

exporting attribute tables of multiple rasters to excel

I had a raster and I clipped it using a shapefile of polygons. Now I have about 5500 individual raster images. I have to export the attribute table of each raster to excel so that I can then append ...
1
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1answer
27 views

Attribute table Does Not Show Any Lat Long Field in ArcGIS for Desktop?

I had import shapefiles data which is a point features from GPS receiver. The points are well on pointed on the ArcGIS display, but when I open each attributes table, there is no field show the ...
2
votes
1answer
45 views

How to delete a bracket in the attribute table of QGIS?

I would like to delete a bracket ([]) in one column of my attribute table. I have different numbers in the column, written like this "[901], [555]..." How can I delete the bracket, withouth having to ...
1
vote
1answer
336 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 ...
7
votes
2answers
226 views

Displaying QGIS attribute table on the right

Is it possible to dock QGIS attribute table on the right? I know it is possible to display it on top and bottom, but for my project it would be better to dock it on right (or left) side.
4
votes
3answers
245 views

How do I say “use the value from the same row” in Field Calculator?

I have an attributetable with several columns. I want to change the values of column1 if they are NULL with the values of the same row in column5. case WHEN column1 is NULL THEN END How do I say "...
0
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0answers
17 views

Adding data labels of Polygon Areas directly to ArcMap?

I need to know whether it's possible to add data labels of polygon area sizes directly to the map and how to do this? I have area data for about 38 polygons, and the distance between each (this is ...
0
votes
1answer
254 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
2answers
81 views

Why can I only view 2000 records of an Excel table (ArcGIS)?

I have added a 97-2003 Excel document to ArcMap to compare data. The file has approximately 3200 records. When I initially open the table in Arc it shows all 3200 records, but as soon as I attempt to ...
0
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0answers
36 views

How to automatically filter data from a table in the composer QGIS 2.14.2? [duplicate]

I have configured in the print composer 3 attribute tables with a filter to display values of a map. Currently the filter only shows the data area 27 and if I center the map to display another area ...
4
votes
3answers
156 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
274 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
5k 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
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0answers
26 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
47 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
26k 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
57 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
34 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
55 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 ...
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vote
3answers
168 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
43 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
74 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 ...