In GIS, Fields, also known as attributes, contain information about features.

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How to remove repetitive text in attributes?

I would like to clean up fields that contain repeated "Street Names". As seen below, I have fields "Name_From" and "Name_To". These fields sometimes repeat the same name (highlighted). I would like to ...
6
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1answer
112 views

How to delete fields from a Geopackage attribute table?

Using QGIS 2.14.0 on a Microsoft Surface Book with Windows 10, I created a geopackage from a layer using Save As... I can successfully add a field to the geopackage's attribute table, calculate ...
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1answer
130 views

How do I add a field to a table using the QGIS graphic modeler?

I was wondering if anyone could help as I'm struggling to get anything out of the QGIS graphic modeler. For info I have no programming skills whatsoever. I need to be able to add a new field to an ...
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1answer
46 views

How to select certain fields from a feature class to create a new feature class

I am stuck on how to create multiple features classes from one feature class using a select few fields. I have the following attribute table for a shapefile. I would like to select the 'USAF', '...
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1answer
70 views

Searching for fields in geodatabase and adding them if they do not exist with ArcPy?

I have a list of files that need to be present in my featureclasses - myFields[]. I need to add these fields if they are not present in my FeatureClasses. import arcpy myField="Field01" myFields = [...
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1answer
49 views

Populating label fields in print composer

Is it possible to fill text fields in a print composer template using data saved in a csv file? For example, every template I create has the same fields which I always have to manually enter: Client ...
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1answer
72 views

Duplicate a layer applying a filter in QGIS

Is there a way, using Python, to duplicate a layer in QGIS as many times as the single occurrences of a variable contained in a field and with a filter applied on the duplicated layer based on the ...
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1answer
37 views

Changed subtype fields not populating for newly created polygon in ArcMap?

When I change the subtype properties of a layer and hit apply it is showing that they are changed. But, when I create a new polygon for that feature it doesn't populate the subtype fields. So after ...
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1answer
108 views

How to fill column with several conditions using QGIS field calculator?

I know the synthax in order to fill one field with only one condition (field calculator): case When "attribut" = 'value' then value End But how to do populate automatically one field with ...
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1answer
61 views

how to separate a list of features from its shapefile_

I tried to copy all features in a list of dictionaries. the code looks as follows: def iterate_features(self): feature_set = arcpy.SearchCursor(self.address) for feature in feature_set: ...
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1answer
45 views

How add a text field and then reproject all shapefiles which are in sub folders

I have a folder and inside of that folder, I have about 500 sub folders which contain on average about 5 shapefiles each. What I want to do is: to check if there is a field, lets say field_1, and ...
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1answer
102 views

Why can't I use AddField_management in ArcPy?

I get this error, when I try to run this ArcPy code in Eclipse PyDev. The red underline under SearchCursor is not important, the Eclipse doesn't recognise the import, but that works perfectly (sure, ...
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1answer
219 views

Field parameter in Modelbuilder - empty?

I have built a model, as input parameter I have a 2 parameters: a Feature Layer and a Field But when I run the model, the Field-Parameter has no values to select. How can I tell the model builder, ...
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1answer
41 views

REtrieve field info from web map services in ArcMap

I am trying to work out what fields are associated with a map service in ArcMap. The service is very slow in drawing and I wondered if it was possible to retrieve attributes associated with a layer ...
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1answer
79 views

missing values w/ updatecursor and addfield - gp

I added a feature to my 'overloading' field update script which adds a new properly named field if there is no space left to append the value into the record. This appears to run well, however upon ...
2
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0answers
248 views

Exporting spatialite view to shapefile from QGIS modifies the original data types

We have a spatialite .sqlite database where we have views which are nicely rendered by QGis, with all the symbols and everything!! There are integer fields on the view which are based on fields of ...
2
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0answers
45 views

Why is ArcMap deleting data from a field when I add a new one?

My copy of ArcMap 10 is acting pretty strangely. I have a shapefile and all I've done is added a new field as a FLOAT and for some reason all data in another one of my fields is being deleted! Does ...
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0answers
25 views

QGIS - Get unique values over multiple fields

For creating a legend of a map, I need to get a list of unique values over multiple attribute columns of a layer. I know how to get a list of unique values within one column - is it possible to get a ...
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0answers
39 views

Local variable 'value' referenced before assignment: qgis function editor

I customized a function to edit my attribute table. It was working well but now when I used it again my qgis crash or I receive bad answer. The answer of Qgis: My code: from qgis.core import * @...
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0answers
36 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 ...
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0answers
21 views

Is there any standard or source of information to check for valid ranges and accuracy of each information conveyed in NMEA format ?

Currently I am reading IEC 61162 Nmea 0183 standards document. In there there is not information about valid ranges of some values or precision of data fields in nmea sentences. Is there anywhere that ...
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223 views

Feature to Raster Error

I am attempting to rasterize a point layer using the Feature to Raster conversion tool. Each attempt, I receive the following error codes: ERROR 010429: Error in GRID IO: CellLyrCreateInternal: Grid:...
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93 views

Importing Data Dictionary (DDF) into QGIS (Fields)

Are there any tips/tricks on getting all the Attributes from a data dictionary for a GPS unit to sync with the Fields in a QGIS style? Right now, in order to update the drop-down options in QGIS, I ...
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80 views

Creating new field in Raster Attribute Table with corresponding values from another raster

I have a raster layer that represents surface temperature for the State of Arizona. I also created a raster using the interpolation function to represent air temperature for the State of Arizona. I'm ...
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370 views

Python coding problem - unicode string passed from dictionary to AddField

I tried all possible hints but I´m still stuck. I want to write a script that can be executed from a toolbox in ArcMap/ArcCatalog. It should rename fields (build lists with old fieldnames, new ...
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196 views

Reduced real-type numbers in QGIS?

I have a SHP point file created from CSV with QGIS 2.4.0 Chugiak. It contains some data on noise in a certain point. When I import from CSV, it seems to be fine, but when I export to SHP and open the ...
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114 views

QGIS grabs incorrect field values for categorized style classification

as seen in the first image, the field values QGIS returns when I attempt a 'select by expression' are values found nowhere in the field in question ('FLD_ZONE'). Instead, it returns a selection of ...
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82 views

Russian in fieldname changing with Python in ArcGIS

Is there any way to rename fieldname in the attribute table of a layer/shapefile in ArcGIS 10.2 containing russian letters? If yes, is it possible to do it in a script?
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167 views

Why does inline variable output overwrite occurs with Reorder fields tool?

I am trying to use this Reorder fields modelbuilder tool but for some reason the inline variable (%name%) for the output gets overwritten with each file pass until the last one. Otherwise it works ...
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49 views

Feature class field count caching issue

In our application, we exposed a custom file format to ArcScene through a custom plugin data-source. However, we experience some problems which we ascribe to caching issues. We generate a dataset ...
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8 views

Custom editor tracking field not in select list

We have a versioned sde database in ArcGIS 10.3.1 and Oracle on the back end. And we have features with editor tracking turned on based on customized editor tracking fields, such as "CREATEDWHO","...
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18 views

Is there a way to symbolise a shapefile based on the most recent attribute?

I am working with a large number of sites (300+) which have had surveys carried out on them over the last ~3 years which are scored as Low, Moderate and High. Some of these sites have been surveyed ...
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12 views

Mosaic Dataset Footprint Field ordering

Is there any to order the Foot Print fields created in Raster Mosaic Dataset? I know, we can edit, or reorder fields of any FeatureClass, or Shapefile using X-Ray ArcCatalog, ArcGIS Diagrammer., ...
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19 views

Time formatted cells turning values into zeros

After setting time format in one of the attribute table fields and filling in all cells, then saving, closing the table and reopening again, everything seemed OK. At a later moment all time values ...
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9 views

Altering old AXF before importing back into ArcSDE?

When we exported an AXF, the editable layer had all its fields turned on. When we bring it back in, months later, even if a field wasn't set up for editing outside the office, the values in the field ...
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25 views

Drag'n'drop form fieldset to Openlayers map or viceversa

I tried to google if somebody would have tried this but all I could find was drag'n'drop functionality for available markers. I would like to use dynamic form for creating eg. title and description ...
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19 views

Loss of Polygon area field when creating a hosted service from a layer in ArcMap?

My work team is planning to work with data from the ArcGIS Collector app in excel (exported from ArcGIS Online as a .CSV) and require the area of each polygon feature for later analysis. When our ...
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79 views

Turning off Show Field Aliases option on attribute table permanently in ArcMap?

I'm wondering how you turn off the "Show Field Aliases" option permanently under the "options" drop down on the attribute tables that pop up for different features. I know you can just click on it to ...
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123 views

Joining two features (points) with same position but different attribute using ArcGIS for Desktop?

As shown in the figure below, these two points are in the same position but with different attributes. (TextString). I am wanting to join these two points together but with different attribute in ...
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66 views

Get IFields without opening ITable

We are using ArcObjects 10.0 to retrieve IFields through opening ITable, which is time-consuming. Is it possible to retrieve just IFields directly from database without opening ITable? EDIT I'm ...
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20 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 ...
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0answers
89 views

Why is ArcGis change precision of double field after copy?

I create the attribute table of a shapefile and while I copy it by using the "copy features" tool it change the precision from 11 to 14. I create two fields with the name poly_x and poly_y and they ...
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34 views

UniqueValueRenderer on GUID fields doesn't work

Have anyone been using ArcGIS UniqueValueRenderer on attribute fields of type GUID? I've created a UniqueValueRenderer that has a default symbol. If I do: renderer.Fields.Add("OBJECTID"); or ...
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31 views

Multiple Together Several Fields, then Use Update Cursor

Is it possible to preform multiplication on several fields of an attribute table together and then use an update cursor to assign the resulting value to a specific field?
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77 views

arcmap display full date

I am working with arcmap software. I have a points layer that was created from a gps device. this layer contains a few tracks from the same day (e.g driving to work in the morning, returning home, ...
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0answers
50 views

RasterToPolygon tool is looking inside the output location and not reading the fields

I am trying to convert IMG classified rasters to polygons. I created a code using the Raster to Polygon tool and it worked for 8 of the 50 files; for the rest, I get errors 010157 (Unable to open ...
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0answers
105 views

How to add a field to a .zip shapefile?

I am exploring the possibility of using ArcGIS Online (Free Public Account and Explorer) with my new Global Studies students. (So far, the Free Public Account appears to be more user friendly and ...