In computer programming, an iterator is an object that enables a programmer to traverse a container.

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85 views

Creating multiple LAS datasets from LiDAR files in various directories using model builder?

I have 60 folders each containing approximately 20 LiDAR files in .las format. I want to create one LAS dataset from .las files from each folder, and each LAS dataset is named by the folder name. I ...
2
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1answer
98 views

Iterate - Raster Calculator - 8 Day MODIS LST to Monthly Avg

I have 8-day MODIS Land Surface Temperature data from 2009-2013. I have used Model Builder to extract the LST_day and LST_Night Subdatasets (in different model runs). What I am attempting to do next ...
2
votes
1answer
24 views

Iterating through a FC and clipping by muliple areas of interest

I know how to build a model to iterate through a FC and clip that FC to ONE specific AOI, but is there a way (model or script) to iterate through that same FC but clip it to 35 different AOIs? I would ...
3
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0answers
123 views

ModelBuilder inline variable does not change consecutively when iterating raster?

---SOLVED--- I am trying to create a model in ModelBuilder (ArcMap 10.2.2), where there is an iteration through rasters in a workspace, each raster is run through a formula in raster calculator and ...
2
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0answers
86 views

Using attribute table values as input for raster calculation - modelbuilder and iteration

I have multiple years of daily XY point shapefiles that contains multiple attributes. I would like to choose one attribute from my XY point and perform a raster calculation with that value and apply ...
2
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0answers
45 views

Excluding Specific Feature classes from ModelBuilder iteration?

I am creating a model the will iterate through the feature classes in the dataset. It will select attributes from each feature class, the only issue is, two of the feature classes will cause a break ...
2
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0answers
150 views

Using Python to iterate through directory to create event layer and perform kernel Density for each file?

I am new to Python for ArcGIS, but have been using ArcGIS a while. I have a large directory of tables with point data. For each file of each folder I want to create a kernel density layer. I have ...
2
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0answers
158 views

Iterating between two layers using QGIS python

I will try and explain my situation as clearly as possible. I just created my first plugin that is being used to analyze between various layers and give back quantities to the user. Most of it is ...
2
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0answers
170 views

Way to extract a specific feature class from a dataset in model builder?

I would like to be able to run a model that iterates through datasets and at one point extracts just a single point feature from within the dataset and save it in a different geodatabase. The problem ...
2
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0answers
71 views

Iterative point feature removal based on Thiessen polygon values

The background is: I have point feature class and Thiessen polygons created based on it. I wanted to know for each point Thiessen polygon area value, so I have calculated Thiessen polygon area value ...
2
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0answers
348 views

Running a new iteration for each column of a dataset in ArcGIS

I'm pretty new to Modelbuilding, having just been turned onto it about a week ago on here. So my problem is, I currently have a dataset of habitats that change through time (from Immature to Mature, ...
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13 views

Filtering a polygon by area with multiple iterations?

I am currently working on a habitat conservation map in ArcGIS 10.3. I want to filter out smaller areas from my polygon layer, but as I'm not sure what the appropriate habitat patch size is for this, ...
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0answers
20 views

File Path does not recognise Get Field Value

I have an ArcGIS model which I want to iterate through a series of points separately as I wish to create a catchment for each of them using the Batch Watershed Delineation Tool. I have encountered a ...
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0answers
34 views

Summary statistics from feature iterator and select by location - missing selected feature name. Arcmap 10.2

I'm trying to calculate summary statistics for a subset of a point feature, based on selecting by location. I'm using a feature selection iterator to get statistics for each polygon feature in the '...
1
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0answers
29 views

Modelbuilder ArcGIS: Collect values

I have a large model with submodels. Basically the Model iterates through all Districts, selects in each district an attribute above a certain threshold, creates a layerfile of it. The submodel ...
1
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0answers
47 views

Loading existing datasets into empty geodatabase (with schema) in ModelBuilder with iterator and append?

I'd like to load existing feature classes within a dataset in one geodatabase into a new, empty geodatabase with schema already set up. Both geodatabases, the one containing the data and the one ...
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0answers
45 views

How to create separate viewsheds for individual points?

I have a feature class with 3000 points. My goal is to have a viewshed, at each point, clipped to 50m and 500m buffers. I want to be able to look at the percent visible/not visible for each point. I ...
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37 views

Iteratively Change Object's Instance Attributes PyQGIS

I am trying to create new instance attributes (NOT feature attributes) for a collection of features in a vector layer in PyQGIS. I'm getting some weird results and am wondering if this is even ...
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59 views

Using ModelBuilder or Python parser of Field Calculator to check values between two datasets?

I have a *.dbf that I need to check values against for a shapefile. I need to report whether the values match the dbf in the shapefile and, if not, what the value should have been (in two new fields)...
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62 views

Why the iterator never ends?

I set a iterator to create two categories of feature class, and then join and dissolve them. The calculation works fine. However, the running result never shows completion even when the calculation ...
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0answers
61 views

Nested iterators - batch merge from multiple outputs

I'd like to ask you some advice for nesting an iterator (from a submodel) into a master model which also include an iterator (see pic attached). The whole purpose is to 'Merge' the iteration output of ...
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0answers
143 views

Iterate origins and destinations in Modelbuilder for OD cost matrix analysis

Update: I changed my model, so I can iterate feature classes. My starting point is a gdb full of shapefiles of students (leerlingen), and another gdb full a shapefiles of school. leerling shapefile XX ...
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0answers
335 views

Having a problem with iterators in ArcGIS ModelBuilder

I'm having a problem with a process model I'm building. The process is as follows; A series of float img files are iterated and converted to raster files .img These files are then run through ...
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69 views

Creating Automated Upload Script

I have a bit of a complex scenario that I'm unsure how to put together into one model or script file. What I'm doing is creating service definition files then uploading these SD files to a server. ...
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221 views

ModelBuilder, Iterate by Field and Viewshed

I want to compute the independent Viewshed for 360 different points. If I run these all together, I have one viewshed output which shows how many times any given cell is visible, but this does not ...
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0answers
546 views

Multiple polygons and rasters for Zonal Statistics as table in ModelBuilder

I have a large number (>17,000) of raster image files that I am creating by iteration. I also have clipped out corresponding polygon files with identical names in a separate folder (maybe not ...
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0answers
637 views

Connect a sub-model with multiple outputs to current model

I have a model in model builder that is clipping multiple feature classes to my study area. It is running with an iterator and creating 4 new clipped feature classes that are only represented by one ...
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0answers
304 views

Calculate distance of downstream trace (geometric network) using ModelBuilder iterator

I'm using ArcGIS 10.1 and need to calculate the distance of down stream traces for each of several points in ModelBuilder. Using the Trace Geometric Network too, I have a feature class of points for ...
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214 views

How to Iterate ModelBuilder for Zonal Statistics?

I want to use ModelBuilder to split a DEM into multiple tiles, then run the iterator on each tile made for the Zonal Statistics tool to find the highest point(s) in each tile and give these as an ...
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0answers
61 views

Iterated field create to continue after failure

I am not a very good programmer and do not claim to be an expert in arc. I am going to try to explain this problem as clearly as possible and any solutions that you guys may have would be helpful. I ...
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21 views

How to iterate through multiple polygons in a file using model builder using ArcGIS

This question is a lead on from this question which was not resolved: Iterating through multiple polygons to produce a table with elevations using DEM? I want to iterate through each polygon in a ...
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0answers
41 views

postgis iterate over rows (cursors)

I need to repeat the same set of operations for each road polygon by using an id (road_id): I have tested my code only on one polygon of geometry using a series of functions inside a WITH query: ...
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0answers
14 views

Creating model with two iterators that uses clip tool as input feature and clip feature

I have a Geodatabase containing each county as its own feature (~60 features). I have another Geodatabase containing data in the form of points, lines, and polygons for the entire state. What I need ...
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55 views

Double Iteration Intersect in Model Builder

I need to intersect two highly-overlapping shapefiles, the first with 60 polygons (ponds), the second with 3000 (lilly pads). A straight-up intersection does not work (60 x 3000 -- it runs for hours ...
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0answers
7 views

How to retain dataset structure in output of feature class iterator (model builder)

I am using the feature class iterator to pass all feature classes in a geodatabase to an intersect tool where they are intersected with one other feature class. The feature classes in the geodatabase ...
0
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0answers
32 views

How to iterate a raster calculator with a change in the input raster and in the values calculated? Than, how to put the results in a table?

What I do without iteration is the following: Change radiance to reflectance for band 3 with raster calculator Samething as #1 on band 4 (the values in the formula are different from #1) Calculate ...
0
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0answers
32 views

Using modelbuilder to calculate different areas of overlap over time?

Been looking all over the place for a solution to this and nothing’s turned up, so I thought I’d ask directly. I am looking to build a model that calculates the total area of timber harvest within ...
0
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0answers
72 views

Combining iterators and lists in ModelBuilder?

I have a Model tool that is not behaving. I suspect this is due to me wanting to (somewhat indirectly) combine iteration and lists. I'm hoping there's a way around this. Basically, I have a model ...
0
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0answers
78 views

Using “While” iterator in ModelBuilder

I can't find examples of the "While" iterator being used other than this: Using ArcGIS ModelBuilder with a "While" Iterator Are there links to any other examples available? For my ...
0
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0answers
41 views

Clipping only overlapping datasets using Iterator function in ArcGIS ModelBuilder?

I've create a geodatabase with about 100 feature classes for my home province. I want to be able to specify a project extent and clip the feature classes to that extent and save into a new ...
0
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0answers
12 views

Error while running the model for join Iteration

I am trying to run a model which iterates joining multiple tables to a shapefile and export the resultant shapefile after each iteration. The model runs successfully but after each run, only the ...
0
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0answers
39 views

Linking Statistics Type with Calculate Field after Table Join using ModelBuilder?

I am attempting to build a model using ModelBuilder in which there is a zone statistics tool being run iteratively for a set of rasters. The input is a blank template table that contains the number ...
0
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0answers
81 views

Skip an iteration in ModelBuilder?

I am trying to iterate through some feature classes, named "Hos_AllPatients2014", and select the certain data and name it "Hos_IP", then export it to the corresponding folder "Hos". I have already ...
0
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0answers
74 views

How to use Snap tool with iterator in ModelBuilder?

I have a folder containing large number of shapefiles that I would like to snap to a surrounding buffer. I need to snap UK district boundaries to 500m buffer around coastline. I have produced 200m ...
0
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0answers
116 views

How to use the ModelBuilder iterator (For iterator) to run “Topo To Raster”

I want to use the ModelBuilder iterator (For iterator) to run “Topo To Raster” on 200+ inputs. But, when I want to write a dynamic name ("***%value%") in the field part of topo to raster window (...
0
votes
0answers
52 views

Modelbuilder Join

Trying to do an iterate with a join to a table to create a new feature class. The output has the spatial data but with none of the fields of the join making it. I think that I have the problem ...
0
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0answers
78 views

Raster iterator on module builder

I'm trying to iterate through a folder of raster via "iterate raster" , then the output of the iterate raster is the input for " extract Sub data-set " since I want to choose the cloud mask Sub data-...
0
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0answers
266 views

Inline variable substitution in ModelBuilder iteration to Make NetCDF Raster Layers?

I'm trying to convert lots of annual NetCDF files into rasters using ModelBuilder. I'm iterating over several years so the filename changes every year which works fine (using the inline substitution ...
0
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0answers
241 views

Iterating ArcGIS Network Analyst over multiple files using ModelBuilder?

I have 10+ files that I want to add to ArcMap then do some spatial analysis in an automated fashion. The files are in csv format which are located in one folder and named in order as "...
0
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0answers
320 views

Linking two Models together in ModelBuilder

I am trying to link two separate models that iterate thought two different feature classes together into one, however I am having a small issue. When I bring in the sub-model into the larger one it it ...