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

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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 ...
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48 views

Calculate field in modelbuilder

If vb code is also possible I could give that a try aswell.
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3answers
135 views

How to rename field via ModelBuilder?

I joined some fields to my tables and now I need a tool or something to change that field's name. How can I do this in ModelBuilder? I didn't find any tool to do that.
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30 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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2answers
50 views

ignore Null Values when iterating through fields with python

So far I have a code which iterates through Fefature Classes and ignores all fields of type String, Geometry and OID. I now try to add some lines which tell python to ignore all NULL values when ...
2
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2answers
41 views

QGIS joins 2 FIELDS

I. a new to GIS and mapping. Using QGIS. Have an excel with 4 columns (Region; District; village; number of cases) Have a shapefile with dots for villages with many columns including (Region ; ...
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16 views

Thin Plate Spline interpolation

I am completely new to spline interpolation, and I want to apply Thin Plate Spline using the fields package in R, and after I have applied Tps then do leave-one-out cross validation. This is how my ...
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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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78 views

Ignoring field types in Python list returned by arcpy.ListFields()?

I am generally just wondering if there is a nice and easy way in python to ignore all fields of a specifiy type (eg string) in a feature class. At the moment I am doing it with field_names = ...
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1answer
31 views

How to search for fields in a GDB and add them if they don´t 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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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 ...
2
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1answer
37 views

Leaving out specific values from labels

I am trying to label a field using two fields. Example: "[FieldOne] / [FieldTwo]". But I don't want to show FieldOne if the value is zero. Example: 0 / 1050 should read just 1050 whereas 1/1050 should ...
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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 ...
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1answer
48 views

Convert field types in GDB with Python

I want to create a python script (ArcGIS 10.1) where I loop through a GDB with several feature classes and select all the fields which are of text type and convert them to float type. I always want ...
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40 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 ...
2
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1answer
36 views

How to display map tips only for one layer?

I'm relatively new to QGIS. I added the hover labels to my map using the Map Tips. My issue is that it makes hover labels for EVERY layer on my map. I only want it to make labels for one layer. Is ...
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1answer
66 views

Is it possible to add text and numbers into the same column/field of attributes of a shapefile in ArcGIS 10.3?

I have to add a field to the attributes of a shapefile and the data reads as: 2 BDL 22 18 11 BDL BDL 25 3 Could these data be added to the same field/column of the attributes of the shapefile in ...
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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 ...
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26 views

Creating a field calculator function that can cast string to a percentage value in a related field?

I am having issues trying to create a field calculator function based on a coded domain string parameter combined with a numeric field to obtain a percentage output. The example in question is as ...
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3answers
126 views

Best way to delete many fields from many feature classes using arcpy?

I'm currently formatting our GIS data for use in a mobile app. The purpose of altering the data is to reduce the output file size that's imported into the app. I need to delete many fields from many ...
3
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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 ...
3
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2answers
82 views

Looping field name change

I need to alter all of the field names through multiple feature classes. I have a pretty good idea of which tools to use but I'm not sure how to loop them through each feature class and each field. ...
0
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1answer
66 views

Permanently Re-arrange fields of attribute table (feature class and tables)? [duplicate]

I am trying to Find out simple Geoprocessing Tool that can physically re-arrange the fields of attribute table (for both feature class + tables), I have found some posts here, but nether of them have ...
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1answer
51 views

Creating multiple fields with ranks using ArcPy?

While figuring out what I have to do, practically creating a field for each arrondise, and in each, rank each FID (which are part of the respective arrondise) by the size of its shape area. ...
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3answers
35 views

Ranking values by shape area using ArcPy

I'm trying to make a script that performs the following: it creates a new field that will hold values based on size of the shape area (from 1 to end of table), basically ranking them. I have a few ...
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1answer
46 views

Is it possible to alter field display precision whilst using a coded domain in ArcGIS 10.2?

Firstly a bit of background: I'm currently using fields of type double to hold the results of our chemical analysis. Different samples were analysed for different analytes and several values were ...
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1answer
321 views

Change field names automatically

I have an attribute table with over 2500 fields. About 2000 fields start with the name "All_txt_" (eg "All_txt_Watermelon"). Is there a way to remove this "All_txt_" from all the fieldnames ...
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20 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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1answer
44 views

QGIS (2.8) Generate a series of map for each field of the attribute table?

I have a shapefile with more than 30 columns (or fields) in the attribute table. I would like to automate the creation of one map for each of them. I gathered that the QGIS Atlas generator can do ...
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1answer
40 views

A script that only deletes fields within an attribute table specified by the user

I would like a script that will be executed in ArcGIS that only deletes fields within an attribute table that are specified by the user. As I understand it, this can be done in Modelbuilder but was ...
2
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2answers
52 views

How would one format an Excel sheet so numeric fields are set to numeric field types when importing to ArcGIS 10.2?

I have a large Excel spreadsheet that contains lots of numeric data that I would like to import to ArcGIS 10.2 as a table using the Excel To Table (Conversion) tool. The frustrating thing is that ...
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2answers
57 views

Combine string and OBJECT ID

I would like to update the Map_Feature_ID field with a String " WP_" and then follow the "WP_" with the OBJECTID field. So I will end up with "WP_1", "WP_2" all the way to the end in the Map Feature ...
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1answer
25 views

Assigning values from one polygon to second polygon if located within first using ArcGIS for Desktop?

I have two layers of polygons. I would like to know if there is a way to assign a value from a polygon in the first layer to any polygons from the second layer that fall within that polygon?
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65 views

Feature Class to Feature Class Keeps Layer Name In Fields 10.2?

I have a model that makes a join, adds two fields, and calculates the fields, then uses Feature Class to Feature Class to create a new output. The new output is named "Permit." Once the output is ...
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22 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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3answers
183 views

conditional auto populate field values based on other column values? [duplicate]

I would like to know if there is a way to even possibly populate field value automatically for a column based on the condition of other columns. Not sure what the best way to explain but to provide an ...
1
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1answer
77 views

Parameters not valid in batch Alter field Arcpy

I am trying to perform a batch of Altering field names through a stand alone python script using Arcpy but it seems I am making a basic mistake in my python code. Using a list I refer to the original ...
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1answer
37 views

Using arcpy to separate surface objects mixed into one file into different shapefiles

I'm trying to do some elementary tasks with arcpy and ArcGIS, namely separate some information in a file into separate shapefiles based on values for a field. My initial file has a field called ...
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1answer
89 views

Calculate field based on other two added fields in ArcGIS Model Builder

I have a model in model builder where I add 2 fields, "field 1" and "field 2". For each field I calculate their values using the calculate field tools. Afterwards I add a third called "Field 3" of ...
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2answers
57 views

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 ...
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37 views

Using the QGIS Graphical Modeller how can I choose specific fields to make a join based on?

I wish to join one field from a shapefile to another shapefile within the QGIS graphical modeler. I am aware that there is a 'Join attributes table' algorithm but this joins all of the fields from the ...
1
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1answer
62 views

Split field name of feature class in ArcGIS

Is it possible to split a field name within an attribute table of a feature class into two new fields where just the field name is being split. Please note that I do not need to split the features ...
1
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1answer
108 views

Using only part of inline variable substitution string in ModelBuilder?

I am using an inline variable substiution to alter a field name. I do this within an iteration model in model builder. The inline variable is the name of the feature class which I use as my input for ...
2
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1answer
26 views

Create field on open ArcGIS map - not saved

I am using ArcGIS desktop with an SDE feature layer with enterprise data that I do not have rights to edit. The data changes weekly but I need a field that is sum of 2 current fields without creating ...
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2answers
487 views

Split one field into 3 fields?

I need to split the values in a field according to what they represent to be able to do a join on the data. As seen above I have a ID field that needs to be split into the following: The ID consist ...
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0answers
70 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: ...
6
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2answers
127 views

Clean up attributes

I want to clean up the attribute table of a road shapefile for all the entries in the fields. For example: As seen below I have a road feature with a "Name", Name From and Name To in the attribute ...
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13 views

Field names change when selecting by attribute/location and then copying feature in model builder [duplicate]

I am trying to create a tool to make my workflow faster for a routine job task. Basically, I have a USGS 7.5 min quad layer and a feature (species) layer, and I want to ultimately create a shapefile ...
0
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1answer
87 views

Calculate values in one field based on values in another field

I have one field with Zoning Codes (i.e.: RS) and I want to update another field with the string "Residential Single Family". The new field is currently NULL, I would like to add the full text string ...
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1answer
60 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 ...