All Questions
Tagged with table field-calculator
15
questions
1
vote
2
answers
953
views
Adding formatted sequence Number based on location?
I have Feature Point DATA. I need to add some sequence number to the attribute of each point, based on their location in the display map. In my attribute it'S ordered in the opposite way.
In ...
- 57
0
votes
1
answer
3k
views
Sorting strings separated by commas within field using Python Parser of ArcGIS Field Calculator?
In ArcGIS 10.4.1, I am using the Python Parser of the Field Calculator. My Python knowledge is limited.
I would like to recalculate a field of strings that are separated by commas so that they are ...
- 3
3
votes
1
answer
785
views
Using the field calculator in SAGA-GIS
I am working with SAGA-GIS and need to create an euclidean allocation raster. For this, I need to first create an integer raster with values for certain areas. This integer raster shall be based on a ...
- 1,188
3
votes
0
answers
357
views
Adding field vector layer in QGIS modeler and using it in next steps? [closed]
I am trying to create a model with QGIS to intersect a polygon layer P with a vector grid G and find the % of P for every cells of G. These are the steps to find this :
create grid G with id unique ...
- 31
5
votes
1
answer
686
views
Writing QGIS field calculator formula?
I have a table with 2 fields, field1 contains site specific data, field2 contains a number which groups the field1:
Field1, Field2
180, 1
203, 1
220, 1
205, 1
160, 2
140, 2
135, 2
I want to sort ...
- 128
1
vote
1
answer
672
views
Filling blanks (missing values) in table with value above using ArcGIS Field Calculator?
I'm using ArcMap to tidy up some field collected point data. The point data is a sequential track from a handheld device. In the attribute table i have a field with differant activities that separate ...
- 23
7
votes
2
answers
5k
views
Way to find minimum value from a group of values - QGIS?
I'm wondering if there is a way to find the minimum value of a group within QGIS? Basically I need to find the minimum distance of each unique value in a table of about 5000 records.
I can do the ...
- 305
2
votes
1
answer
2k
views
Iterate through all fields in attribute table and multiply by field
I have a table with a whole bunch of census variables (race, age, education, etc). I want to multiply all of these fields by a factor that I calculated. For example:
Field1 has values of 10,20,30,40
...
- 23
3
votes
3
answers
4k
views
Normalizing values in single Field (from table) in ArcGIS for Desktop?
have encountered a problem, in Field Calculator.
The situation : I have a polygon feature with a table, comprised of a single Field ("Field1"). There are 675 records in this field. The minimum ...
- 77
0
votes
2
answers
204
views
Editing tables in ArcGIS for Desktop with Python Parser of Field Calculator?
so I'm trying to edit a table so that the name column will not contain spaces. I just don't know how to write the Python script that should go with it.
This is what I have for the Python script now.
- 429
3
votes
2
answers
1k
views
Iterate calculate field in multiple tables in ModelBuilder
I would like to iterate calculate field in multiple tables using ArcGIS Model Builder.
The figure below explains details of the calculations. My existing model calculates value only for the first ...
- 79
5
votes
1
answer
615
views
Extracting partial data from one field to another using Python Parser of ArcGIS Field Calculator?
I am attempting to extract a date stamp that is contained in one field and insert it into another field. The issue is that the date (in bold below) is not in the same location in each line of the ...
- 51
1
vote
1
answer
1k
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, ...
- 11
2
votes
2
answers
75
views
How to flag parcels as being within stop type dependent distance of transit stops?
first question here!
I have a parcel layer and a transit stop layer. The transit stop layer has different bus stops, light rail stops, etc.
I want to add to my parcel layer attribute table fields ...
- 211
5
votes
4
answers
4k
views
Filling in serial letters (AA, AB,AC...,BA,BB,BC...ZZ) to shape using ArcMap
I am using ArcMap.
MY PROBLEM
I have a shapefile containing points. The shape file contains 3 columns named FID, Shape* and Label. In the column I want to fill in AA, AB, AC..., BA, BB, BC...ZZ. ...
- 259