0
votes
2answers
14 views

edit attributes of selected records

I am trying to select records in my table that have certain words in the "Name" field and then code them as 0 (not pharmacy) or 1 (pharmacy) This is just a test searching for two words to select ...
0
votes
2answers
46 views

Field calculator fails when computing First X coordinate in ArcGIS10

I have this line in python to compute First X coordinates into the Field Calculator from each polyline: !Shape!.firstPoint.X Then, when I inspected the attributes I see this rare thing: You may ...
2
votes
1answer
38 views

How to return end of string up to a certain character using Field Calculator?

I am trying to accomplish this task: http://stackoverflow.com/questions/15851568/how-to-get-the-last-part-of-a-string-before-a-certain-character within the Field Calculator. I have the below but ...
0
votes
1answer
36 views

Field Calculator not showing some fields

When I open my attribute table, click on a column, and select Field Calculator it opens and doesn't list all of the Fields in my attribute table. Why can't Field Calculator find these Fields?
-2
votes
0answers
30 views

Update fields in feature class [duplicate]

I am working on ArcGIS 10.2.1. I have a feature class containing more than 4000 records and a table having approximately 1000 records. Both feature class and table have some common fields however, ...
1
vote
1answer
32 views

ArcMap 10.1 Crashing when using field calculator

I keep getting a serious error message when I try to use the field calculator. I've joined a .csv to my SDE feature class and am trying to set one of the columns equal to one of the columns from the ...
0
votes
1answer
49 views

Updating a feature class

I am working on ArcGIS 10.2.1. I have a feature class containing more than 4000 records and a table having approximately 1000 records. Both feature class and table have some common fields however, ...
0
votes
0answers
24 views

Field is not nullable but Field is nullable Box is checked

I had this problem already a couple of times. I add a Field (float) to an existing feature class, the Field is Nullable is arleady checked. But performing a calculation with the Field Calculator on it ...
0
votes
1answer
59 views

What is the syntax for Python 2.7 to permanent display in percent in a field column?

What is the syntax to build to calculate field, for example, Acres to Percent? 841173.00 to 82 % What I want the field column in Percent to be display numbers with percent with the alignment to ...
2
votes
1answer
44 views

Randomly choosing one from multiple fields in Field Calculator of ArcGIS for Desktop?

Using the Field Calculator in ArcGIS for Desktop, I want to randomly choose one field from a list of 10 fields (strings). The Excel equivalent, which is working, is: =INDEX(A2:J2;rnd()*10+1). How ...
5
votes
3answers
87 views

Calculation based on features in shapefile

I hope I get the terminilogy right! Correct me if I mess something up. I need to perform some calculations for a scoring system for different habitat types. The Problem is that I have two different ...
6
votes
1answer
158 views

How to classify time periods in a new field, using Python?

I have a datetime field (Horario) in my feature class, showing only the time. Although the date doesn't appear, it seem to be stored automatically as 30 Dec 1899, I'm not sure why. I want to use ...
1
vote
5answers
97 views

Calculations in if statement

I want to perform a simple calculation with the Field Calculator using this piece of script (note that all the elif statements are attempts for another syntax and non of the worked): def ...
0
votes
4answers
51 views

Populate a field from another field with a conditional

I am working in SDE geodatabase where I have a feature class 'Mange_Waste' and "Q1", "Q2" are two fields. I wanted to use python script for populating "Q2" from "Q1" with a condition. Like, if the ...
1
vote
2answers
58 views

Call field from zip() into Field Calculator expression ArcGIS

I've been trying to find a way to call in field names from a zip(). Basically I have 12 fields called "Flw_days1", "Flw_days2" etc and corresponding "Depth" fields that need to be calculated using the ...
0
votes
1answer
27 views

How to implement a Gaussian function in field calculator?

Are there any build-in functions like Gaussian or Epanechnikov functions in field calculator? Or I have to write that by myself?
1
vote
2answers
82 views

Conditional Calculate Field Many to One

Anyone have experience calculating a field based on a many to one scenario? I have a feature class in a geodatabase with a field of unique names. Feature Class Table (let's call this ...
0
votes
4answers
114 views

Calculating acreage using ArcGIS Field Calculator?

What is the expression to calculate an acreage in USA ? I am aware that there is a geometry calculate but when you convert raster to polygon it doesn't do it's job and I have to use the field ...
0
votes
2answers
57 views

ModelBuilder - How to calculate Field using part of path name

I am trying to calculate a field using part of the feature class path name (specifically, the last three characters of the geodatabase name). Is this possible? I've tried using the parse path tool and ...
0
votes
2answers
41 views

If clause within if clause VBA Arcgis10

I'm using ArcGIS10. I do not know what's wrong with this VBA code in the Field Calculator: *All the fields are String type If [StartY] < [EndY] Then If [DOT_OSM] ="1" Then Output = "F" ...
0
votes
1answer
27 views

How to fill Field2 to its corresponding values in Field1 of a shapefile using Filed calculator ARCGIS 10.2

I have to give explanation in a new field of the existing field which contains abbreviation. Example: Field "Geology" has values Q, Qs,N....(abbreviation), I have to give explanation of those in a ...
0
votes
3answers
62 views

ArcMap Change Values Greater than Standard Deviation of Mean to Zero

I have a feature class with greater than 1000 features and I would like to change all values greater than 2 Standard Deviations to a Zero. Seems like I could possibly use Field Calculator for ...
2
votes
1answer
101 views

How to get the First and Last Point coordinates of a Polyline with Field Calculator in ArcGIS10

I'm trying to get the First Point coordinates (x,y) and Final Point coordinates (x2,y2) from a polyline in ArcGIS 10 with the Field calculator. I've added 4 (double) fields like StartX,StartY,EndX ...
0
votes
1answer
114 views

Python Field Calculator ArcGIS 10.1 expression question

I have gotten stuck on another seemingly simple arcgis field calculator python expression. I obtained a great answer to a another similar question a few years ago: Python Field Calculator ArcGIS 10 ...
0
votes
1answer
71 views

Using Field Calculator to Add a Set Amount of Time to Date Field

I wish to georeference several photos to a track created using a Garmin Oregon 450t, but the time recorded in the photos and the time recorded in the .GPX are not the same. The format for the date ...
2
votes
2answers
131 views

Updating column in Field Calculator using values of another column?

I am very new to GIS, so I hope to get some help. I am using ArcGIS 10.2 for Desktop. I want to create a new numeric column on my attribute table to store "seasons" in numbers. For example, I want ...
0
votes
1answer
76 views

Replacing attribute table entries using python script. Script needed

I am using ArcMap 10 from ArcGIS 10.2.1 package. I got an attribute table, with few collumns. I need to replace some column "String_A" entries with newer "String_B" entries, in the same row. In both ...
0
votes
1answer
62 views

How to calculate/record attachments' file names using Field Calculator?

I have a point feature class containing attachments corresponding to jpg files (sometime more than one jpg per feature). I would like to use the "field calculator" to calculate/record a new field that ...
2
votes
2answers
113 views

Comparing 2 fields using Python

I am trying to compare 2 fields(double) using python. I want to round to the nearest 10th and flag those with a "1" that are not equal. Here is what I have at the moment: def Qcontrol(old, new): ...
0
votes
3answers
78 views

Python QC field calculator

I am new to Python and am trying to run a simple QA/QC on a particular set of fields. I basically want to verify that fields x and y add up to z, I may have to incorporate rounding since a small ...
0
votes
1answer
68 views

How to use “this” Levenshtein Python code into ArcGIS 10

I need some help with this: First of all, I wanted to "Compare strings from two fields", and asking before at gis.stackexchange, in this post someone help me with this topic, referring me to a Python ...
2
votes
1answer
163 views

How to compare string fields in the same table with ArcGIS 10

I don't know exactly if there is a tool for this or a maybe a python script could be more suitable. I want to compare string elements from a field (POI_NAME) with another string element in another ...
2
votes
1answer
144 views

ESRI File Geodatabase with a field calculator with an incrementing number

I've got a python script that runs on the Field Calculator of a ESRI File Database. Right now it runs correctly in that it will increment the last three digits of the value. But this is a script ...
1
vote
2answers
67 views

How to include a quotation mark in a text field from field calculator

I'm trying to attribute pipe size and need to include a quotation mark in a text field. How do I include that in the field calculator. "4"" doesn't work.
0
votes
2answers
183 views

ERROR 000989: Python syntax error: Parsing error SyntaxError: invalid syntax (line 2)

I have a Field Calculator I am using with Python and I keep getting the above error. Below is the screenshot of my Field Calculator I am using. What am I doing wrong here?
0
votes
2answers
62 views

Use Python lists in Field Calculator?

I couldn't find this question, although I am sure it has been asked. How could I use a python list to condense this script? This code block currently works, but is clearly not very efficient. def ...
1
vote
1answer
88 views

Error when dividing a field with a number

Using arcpy CalculateField_management i want to divide a field with a spacific number: arcpy.CalculateField_management(EZG_shp, "IDX_AT_PK", "(!EURO_SUM!/!Anz_Pers!)/1668,4","PYTHON") This works in ...
1
vote
2answers
130 views

How to populate a text field with double quotes using field calculator

How would I populate a text field with double quotes using the Field Calculator. For example, I want to populate a field as 24". Is there a way to populate fields using the field calculator with ...
0
votes
1answer
29 views

same or similar search word with field calculator

I am using arcgis 10.1 I have two tables A and B need to find attributes of table B data are on the table A I'm doing a join between table A and B now I want to use the field calculator via a script ...
0
votes
1answer
81 views

Error when calculate field using VBscript or Python (slice a field)

I have an expression in VBscript that works well for labeling: Function FindLabel (field) if (INT(RIGHT(field, 2)) <> 1) then FindLabel = INT(MID(field, 8, 3)) &"-"& ...
4
votes
1answer
112 views

How to use Field Calculator to assign values to only Odd (or Even) page fields for Data Driven Pages?

I am creating a map book but do not want the page numbers for each map page to be on the same side (since its printed double sided), I need the page numbers to be placed on opposite sides? I am using ...
0
votes
1answer
268 views

ArcGis Python Script, Calculate Field

Sorry for my English. I am trying to write a Python Script for ArcGis 10.2. #import system modules import arcpy import math from arcpy import env #Set environment options ...
2
votes
2answers
248 views

How to use DateDiff() Function across day transition in ArcGIS Field Calculator?

I am trying to calculate the time difference between two fields using the DateDiff() function in minutes. I have successfully calculated the times that fall within the same day but I am having trouble ...
2
votes
2answers
144 views

Convert from Julian Date to Calender Date in Field Calculator

Does anyone know of a way to convert from a Julian date to a regular calender date in either QGIS or ArcGIS field calculator? Thanks...
1
vote
1answer
47 views

Arcgis 10 assign values to field based on values in other field [duplicate]

I have a table with two fields A and B, and i want fill field B with "some values" from field A: FieldA: 123456_CC; 123_D; 1234567_AB; 123456768_F I just need the "text" that is associated with the ...
0
votes
1answer
136 views

Why does Field Calculator say failure during processing, check geoprocessing results window for details? [duplicate]

I am using the Field Calculator and keep receiving the following error: 'There was a failure during processing, check the geoprocessing results window for details'. I am not very tech-savvy but I have ...
0
votes
1answer
235 views

how to use the TRIM function in field calculator

I need to remove leading spaces in a field in my attribute table, but not how to do it from the field calculator
3
votes
1answer
124 views

Using Python in Field Calculator to compare two fields

I'm trying to use field calculator to compare two fields in a table of tax parcel data, Land Value (LAND_VAL) and Improvement Value (IMPRVT_VAL). My goal is to determine (1) Parcels with land value ...
2
votes
4answers
128 views

Field calculator Python else statement question

The codeblock below is run on Field1 and calculates Field1 to equal Field2 if they are not equal. Else it returns Field1. My question is, does the else statement actually recalculate Field1 to equal ...
1
vote
1answer
128 views

Null value error with Python in field calculator

I'm trying to calculate the angle between two line segments in ArcMap 10.0. I have a point shapefile, so I'm using the xy coordinates of 3 successive points to calculate the angle. I'm trying to use ...