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

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3
votes
2answers
107 views

How can I delete multiple field attribute values from an attribute table?

I have a Centerlines feature class to which I transferred attributes from an AddressPoints feature class, and now each centerline has the correct street name but also a street number which I don't ...
3
votes
2answers
186 views

Export attribute table to Excel readable format

I want to save some attribute tables in a file format that Excel can read. Currently I'm using the tool Table to dBASE in Modelbuilder, but when I open the files in Excel it shows some errors in ...
3
votes
3answers
997 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 ...
3
votes
1answer
3k views

Creating a multiple bar graph in ArcMap

I would like to graph my data from a shapefile. The data I wish to display is the sum of the nominal data per each year that it occurred. I have enclosed a screenshot to illustrate my idea. There is ...
3
votes
4answers
2k views

Zoom to Feature hotkey in ArcMap Table View

In ArcMap 10 table view, is there a way to set up a hotkey that when a feature is selected, pressing say "z" is equivalent to right-click-->Zoom To? I would like to be able to highlight a record and ...
3
votes
3answers
119 views

Comparing Column Contents in QGIS

I am trying to compare the contents of two columns named C1 and C2, each of them having some 250 values. I want to create another field, named C3, with TRUE if a value from C1 is found anywhere in C2, ...
3
votes
2answers
8k views

Auto fill column in attribute table

Is there a way to fill a column in the attribute table with the same value, similar to a paste . Is there something in the calculator that can be used to fill selected records/attributes.
3
votes
3answers
69 views

Can't replace attribute with field calculator

I have an attribute table where one of the columns (laeskaerm) has been edited/created by checkboxes on 2 different machines. Result: it contains both 1, 0, true, false and NULL I'd like to replace ...
3
votes
2answers
124 views

How to rearrange the display order of attribute table fields?

Using QGIS 2.10.1, I open an attribute table. How do I rearrange the field display order? For example, a table's default display order (from left to right) is State, County, City. But I would like ...
3
votes
1answer
399 views

Joined tables and now field calulator is greyed out

In ArcMap (10.2), I accidentally calculated the wrong field outside of an edit session, so there was no way to reverse my action. I restored a previous version (shadow copy) and joined the tables ...
3
votes
2answers
88 views

Averaging XY data for locations in QGIS

I wanted to find out mean of the selected point using QGIS. I tried out selecting using attribute table but could not find an option for mean in field calculator. I have attached a screenshot with ...
3
votes
1answer
462 views

Not able to save edits to vector layer in QGIS

I have a vector layer with about 200 features. So far I have been able to add polygons to this layer just fine, now it is giving me trouble. When I draw the polygon and try to save edits, the polygon ...
3
votes
1answer
195 views

QGIS - Is it possible to increase Output Field Name?

When creating a new Column, the default value for the length of the name is 10. Using the Field Calculator via the Model Builder, I want to include the names of regional areas into the columns which ...
3
votes
1answer
3k 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
3
votes
2answers
696 views

How to Select by Attributes on features sharing common value?

I am attempting to 'select by attributes' a point feature with the lowest numeric value which shares a common value with other point features in another field. For example: I may have 3 point features ...
3
votes
1answer
58 views

Adding date field to attribute table using QGIS processing modeler?

I want to add a date field to my output layers attribute table, using processing modeler. I want the Date field to be a parameter in my model, because I want to manually input the Date everytime I ...
3
votes
2answers
264 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 ...
3
votes
2answers
83 views

ArcGIS Removing values from a shapefile with Python

I've got a monster shapefile with lots of duplicate records, however each duplicate record has an accuracy rating. I want to remove all duplicate records with a lower accuracy rating. This would be ...
3
votes
1answer
1k views

how to delete a row in grid attribute table of a raster?

How can I delete a row in a raster file table? The raster format is GRID I get this error "grid attribute table is blocked from deletion". It seems absurd that I am not able to manipulate my own ...
3
votes
1answer
957 views

How to Calculate Cumulative Field Values in Arcmap

My problem is conceptually quite simple; In Arcmap 10.2, I wish to create a field which contains the cumulative values of another field in the same attribute table. For example, if the first three ...
3
votes
3answers
49 views

Is there a way to shift data in an attribute table so that all attributes are moved to a different coordinate?

I have several shapefiles where the attribute table is composed of timestamped data that is appended to the coordinates. Because of the nature of my data, I need to apply a time lag so that the data ...
3
votes
1answer
130 views

Calculating distances from points to the centre of cells

I am using QGIS 1.8.0 (using older version because I need the Qmarxan plugin which is not available for 2.4.0). I have a study area that has a vector laying of "planning units", or cells over the top ...
3
votes
2answers
178 views

loss of attribute data when copying between layers

I am trying to copy points from one layer to another in QGIS 2.2 The problem I get is that all the attribute data from the copied points is missing when copied onto the new layer, the columns show ...
3
votes
1answer
3k views

find polygon corner coordinates

I am trying to get the coordinates of each node of the polygon I create. I would like the attribute table to display the name of the polygon (ex. address) and then the coordinates of the nodes (ex. ...
3
votes
1answer
651 views

Using python to access the attributes of features within the current extent?

The script I'm writing requires a specific attribute of the building polygon that the data frame extent is currently focused on. Is there a way to grab this data?
3
votes
2answers
113 views

How to calculate depth from Esri ocean basemap?

I need to find potential routes for undersea power cables in South East Asia, therefore I need to select all areas where the ocean is less than 4000m deep. I load the "ocean basemap" from Esri but it ...
3
votes
2answers
43 views

Filtering information in two attribute tables using QGIS?

I'm an amateur in QGIS so please forgive me for not using the correct definitions. I have a polygon map (shape file) with the neighborhoods of my city. Each one of this neighborhoods has it's own ...
3
votes
2answers
2k 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 ...
3
votes
1answer
41 views

How to get the attribute list of a point that is clicked on the map

I would like to double click a point on map and directly getting to its attributes. I'm too lazy to go through the list auf 400 items, just to find it. Is there any way to do this?
3
votes
1answer
64 views

Specific renaming of elements in Attribute table failing until closing and reopen attribute table

Well the title tells it already. I have a column name and 100 objects. I have given them all a name. Now I mentioned that I have written some wrong of them. So I tried to correct them by double click ...
3
votes
2answers
413 views

Changing precision on a column in the attribute table without losing data?

I have data in an Excel file that I want to join with a shapefile in my project. The Excel file contains values like volumes. The Excel file and the shapefile I want to join it with both contain the ...
3
votes
2answers
38 views

replace records in layer with records form another layer by id and column name QGIS

I have a two polyline layers - one with 2800 rows, the other with 150 rows. Each row has a unique id column. I need to replace the records in one column of the the 2800-row layer with the records ...
3
votes
1answer
21 views

Selecting trips that their pickups and dropoffs are located in the same polygon in ArcGIS

I have point features indicating the taxis' trip data for pick-ups and drop-offs like the following: [pickup_longitude, pickup_latitude, dropoff_longitude, dropoff_latitude, #passengers] I want to ...
3
votes
1answer
90 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 - ...
3
votes
1answer
172 views

Drop down menu for Coded Domain not available in edit session

Using ArcGIS Desktop 10.2.2, Advanced license. I created a new coded domain for a string field. I added the domain to an existing field. When I edit the features, i would expect to get a list of the ...
3
votes
1answer
2k views

ArcMap - Opening the attribute table gives 'Could not load data from the data source' error

ArcMap wont display the attribute table of a dataset. I get an error 'Could not load data from the data source' and it says 'An invalid SQL statement was used'. It then opens a table with the correct ...
3
votes
1answer
2k views

Using the Field Calculator in a Domain field

I have a coded domain field with 10 dropdown options. Possible choices include integers and text. I need to change a selection of 250 features (which have differing values) to the same value. This ...
3
votes
1answer
840 views

ArcGIS 10.1: Subtype/Domain Functionality

Is there any way to create more complex conditional domains in a table than a single subtype and associated domains? I would like to get the same functionality that more than one subtype in a single ...
3
votes
1answer
1k views

QGIS Attribute Table Not Displaying Data

Using QGIS and one minute I could see the attribute table, the next minute I couldn't. Using QGIS on Linux Mint 13. I tried purge/autoclean/reinstall to get a completely new download of all ...
3
votes
1answer
71 views

Exploding features based on numerical field in QGIS?

I have a set of data as polygons, each with a Number field with value X. Is there then a way to copy this into X number of polys at the same location? (ideally points distributed across the poly but ...
3
votes
1answer
150 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 ...
3
votes
1answer
897 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 ...
3
votes
1answer
467 views

Convert KML to an Attribute table

So I was wondering if it's possible to convert the KML files to an CSV attribute table (of those geometric features). So I've found this code that converts the KML to CSV, but really just prints the ...
3
votes
1answer
539 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 ...
3
votes
2answers
300 views

How to show attribute table of object when user clicks on it?

sorry if I'm asking stupid questions but I really spent days trying to figure out how to add functionality to my map so that when user clicks on some map object he gets the attribute table on the side ...
3
votes
1answer
809 views

Build Raster Attribute Table with GDAL Utilities

Is there a way to build a raster attribute table using one of the GDAL utilities? I know you can view it using gdalinfo and I have successfully created one using Python, but it would be so much ...
3
votes
2answers
681 views

Why does the attribute Table not maintain input data?

for a longer time I have a problem with the attribute table. I create the polygons on the map, I fill up the table with attributes. Then, if I click "save", all the data from the table are being ...
3
votes
1answer
72 views

How to sort attribute table using ArcObjects/VBA code?

I'm using ArcMap 9.3. Shift the rows order display (ascending/descending) for a given field is as simple as double clicking on the screen. However I'd like to know how to perform this simple ...
3
votes
0answers
192 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, ...
3
votes
2answers
394 views

Export Raster Attribute Table using Open Source software

I've got 120 or so geotiff files that I'd like to build and export the raster attribute table to something a little more friendly (e.g. csv). I'm curious if there is an open source way to do this. ...