All Questions
Tagged with calculate-values arcmap
15 questions
2
votes
2
answers
53
views
Calculating M-values in specific coordinate system ArcGIS Pro
I have an issue with calculating M-values in ArcGIS Pro: I need to calculate them in a specific coordinate system.
For example, the M-coordinate of a first vertex is set to 0; next should be 0 + the ...
- 21
0
votes
1
answer
30
views
Getting Error from ModelBuilder (calculate values)
I want to remove the last 7 character from parsepath (%Value%)
what is wrong with this code?
- 3
0
votes
0
answers
142
views
Toggle Model Builder paths on and off using Boolean - ArcMap 10.5
I have a program that uses an iterate over a multivariable to run checks for different values, but it would be really nice to just be able to toggle the values on and off depending on what you are ...
- 1
0
votes
0
answers
39
views
Picking highest value between two options in field calculation using ArcMap
Is there a way to choose the highest value between two options when using them in a calculation?
The highest value alternates between x and y
This project is in ArcMap.
1
vote
2
answers
120
views
Calculate the value of two different fields (int), and summarize those two into a new field in attribute table [closed]
I am trying to make a pie chart, that means I have to connect some fields in AT.
How do I sum two integer fields into a new created field. The sum should also be connected to the different object id.
...
- 31
0
votes
1
answer
158
views
Using IF-THEN-ELSE with ModelBuilder of ArcMap
I have two optional parameters in my ArcMap model (City and date) and I want to use the tool calculate a value to create an expression that will give me a boolean (true-false).
I want the code to ...
- 1
1
vote
0
answers
73
views
Help with "Calculate Values" Python expression (ModelBuilder)
I have a model and need to compute a new value from two other values upstream, and then feed the new value to the Kernel Density tool.
Here is the formula I am trying to reproduce in the "Calculate ...
- 71
1
vote
1
answer
162
views
Code to return false if two preconditions are false in Modelbuilder
I'm trying to use Calculate Value in Modelbuilder's Arcmap to run a process if one of two booleans preconditions is true. So if both of precondintion are false the process shouldn't run, otherwise it ...
3
votes
1
answer
188
views
Calculating field while dissolving in ArcMap
I have two polygon Layers, A and B correspondingly. The polygons of B are lying on top of layer A and also overlapping the polygons of A (I made an example of the attribute table for better ...
- 305
1
vote
2
answers
77
views
Adding time to variable using Python Parser of ArcGIS Calculate Value tool?
I am using Python 2.7 in calculate value in ModelBuilder. I want to query both 30 seconds before and after the variable. The original value keeps returning not the time change. What am I not defining?
...
1
vote
1
answer
39
views
Add and Calculate Fields of Iterated Annotation Classes
I'm have difficulty with my script Arcmap v10.5.1. I get a syntax error on line 8. My question is: Can I calculate the Added field from an existing field within an iterated value? If so, what's my ...
0
votes
1
answer
230
views
Converting string to float in Calculate Value for ModelBuilder?
In ArcMap 10.2 I have created a nested model where I am iterating through some feature classes in order to get the minimum value of a specific field for each of them and then collect the outputs using ...
- 13
0
votes
1
answer
1k
views
How to determine the average NDVI value of a selected area?
I'm new to ArcMap 10.2 and trying to get NDVI data of city centers.
So my problem is, after I'm calculating the NDVI and getting the result raster, I would like to get a mean (average) value of ...
- 1
0
votes
0
answers
425
views
Zonal Statistics As Table with Very Small Polygon
I was given one single band NDVI raster and a shapefile with multiple very small polygons.
The raster has a resolution of 3m. On the other hand, the small polygons on the shapefile are square shaped ...
- 267
1
vote
0
answers
238
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Calculating percentage of area from polygons inside one polygon in ArcMap?
I need to calculate percentage of different areas contained in one Cadastral parcel.
Every parcel (polygon) is overlapped with one or more polygons. I need to find percentage of every overlapping ...
- 181