Questions tagged [precondition]
The precondition tag has no usage guidance.
15
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Preconditions not working on second iteration of ModelBuilder?
I'm working on a project where I have to iterate through geodatabases and handle some debug errors if they exist. For this I've created a ModelBuilder model, in ArcGIS 10.7.
Essentially, what the ...
CommunityBot
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0
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1
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474
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ModelBuilder using iterator as precondition
Was wondering how I can iterate over field values and when all the iteration is done to move onto the group at the end. I've tried setting a precondition within the loop but that just causes the whole ...
CommunityBot
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4
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2
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533
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How to skip some steps, and continue the running of a model from a later point, bases on a condition?
I am building a Model in ArcGIS Desktop 10.8.
At some point in my model, I am dealing with Line feature classes. I turn them into Polygon feature classes, and then I merge them into one feature class.
...
- 44.2k
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Running Lookup tool in ModelBuilder using field that was joined in previous step
I'm trying to generate a model (ModelBuilder in ArcMap) that calculates the Landslide Susceptibility Index with standardized inputs (Conditioning factors in raster format and dbf's with weights). The ...
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1
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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 ...
- 44.2k
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1
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How to use preconditions with row counts when some row counts = 0?
I have a model that iterates through a series of neighborhood polygons and clips several different datasets using the iterated neighborhood polygon. I am trying to determine the number of features ...
- 65.3k
2
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1
answer
170
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Nested iterator in model not working?
I am trying to iterate through 2 folders (1 for points, and 1 for polygons) and use the output values as inputs for another submodel that applies IDW, Focal Statistics, and finally a Clip (to a ...
- 65.3k
1
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1
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43
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Running process in ModelBuilder before loading shapefiles?
I have a model which I would like to check if shapefiles exist or are up to date and download them if they are not before processing them. I wrote the script to do the checking. In the script, I use ...
- 44.2k
1
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2
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57
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Successful iteration as variable
In ArcGIS ModelBuilder, is it possible to create a variable (that can be used as a precondition for following tools) that tells if an iteration has been finished?
Example:
An iterator buffers all ...
CommunityBot
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2
votes
2
answers
303
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How to calculate multiple variables with precondition
I want to do multiple "calculate values" in ModelBuilder.
To make it simple let´s take only 2 simple calculations:
1) calculate sine from angle to variable "MySinus"
2) use this value in a second ...
CommunityBot
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1
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1
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121
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Dissolve doesn't work with empty layers
I have this model:
The tool dissolve has this precondition of the Calculate Tool in order not to run with empty layers:
However, when it runs with a empty layer it returns the following error:
...
- 9,684
1
vote
1
answer
172
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Use value of Field in Calculation in Modelbilder
In Modelbuilder I have set up a model, where in one step I do a "Calculate Field" like "round((!OID!-1- %MyField% /15)/452,1)+1" . For the calculation i use the value of %MyField%, which actually is ...
- 65.3k
2
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1
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655
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Iterating rasters in ModelBuilder - wildcard does not seem to work?
I've got some problem with the model below.
I want to extract rasters from sde geodatabase, use one parameter from Copy Raster, and then export it to specified folder with preserved names as an ...
- 65.3k
1
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1
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254
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ArcMap modelbuilder CalculateValue precondition not working
I am using ModelBuilder in ArcMap 10, this is my model:
Cell Statistics shall be calculated for only those rasters dating in summer months (April - October), input raster name format is yYYYYmMM, e.g....
- 44.2k
3
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1
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471
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Setting creation of feature dataset as precondition to iterative process using ArcGIS ModelBuilder?
When using ArcGIS ModelBuilder, how do you set the creation of a feature dataset as a precondition to an iterative process, and not have it re-create the feature dataset each time through?
This is ...
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