Questions tagged [geoprocessing]

Geoprocessing is a GIS operation used to manipulate GIS data. If you are performing geoprocessing using ArcGIS then the tag Geoprocessing-framework is specific to that software and should be used instead.

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2answers
242 views

How to remove the boundaries of a Polyline?

I have a polyline. I want to delete outside boundaries of that polyline. I achieved it by splitting the features of that polyline and selecting/deleting the outer lines/boundary. I'm thinking, is ...
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1answer
74 views

Need to convert feature classes regularly deleting/overwriting existing shapefiles and breaking the script to terminate

I know a little Python/arcpy, enough to barely get me by. My goal was to, on a regular task schedule, convert feature classes to shapefiles and overwrite existing shapefiles, but I realized that arcpy....
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1answer
1k views

Splitting overlap between polygons and assign to nearest polygon using PostGIS?

My question is quite related to the unanswered Split overlap between polygons into disjoint sets except I'm not using shapely, I'm using PostGIS 2.4 on PostgreSQL 10. I have a table containing ...
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0answers
248 views

ArcGIS freezes when opening most toolboxes

I'm using ArcGIS 10.6.1 on Windows 10. I work from home using a VPN to connect to my university's network. It's been nearly impossible to open any dialog boxes. For instance, I frequently use the ...
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0answers
30 views

Lose Domain Dropdown Function after using Geoprocessing?

I have a large geodatabase with multiple feature classes. I ran Geoprocessing- Arc Toolbox - Data Management - Features - Add XY Coordinates. Then I copied these values into our existing X Coordinate ...
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1answer
452 views

Getting NameError: name 'gdbSuccessCount' is not defined? [closed]

I'm using a 412-line script that gathers and merges online tile data. However, I'm receiving a Traceback error, NameError: name 'gdbSuccessCount' is not defined. I've included the portions of the ...
2
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1answer
59 views

How to connect polygons to make a circle?

I created polygons from a raster on which I ran an edge detection filter. I turned the edges into a polygon layer (multipart splitted into single parts). The intention was to have circular polygons at ...
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0answers
22 views

Reconciling Features with different field types

I have two feature classes who mostly have the same fields. However, some of the fields do not share the same field types. For example, one has a created date field that is a Date while the other ...
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1answer
372 views

Make feature class Z and M aware with geoprocessing

ArcGIS 10.4. I am looking for a geoprocess to take an existing feature class and make it Z and M aware. The feature class is in a file geodb. I have been looking in the ESRI website but have not found ...
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3answers
496 views

Cancel event in Python Gp tools with arcpy

In GP-tools written in C# (ArcObjects) we can listen for the Cancel-event and react on that. I wonder if there is anything similar in Python GP-tools applying arcpy. I googled that issue and the only ...
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1answer
155 views

Using ArcGIS Engine with Background Geoprocessing (64 bit)

Could someone suggest how to use ArcGIS Engine Background Geoprocessing (64 bit) in ArcGIS Engine 10.4 ArcObjects console application? I am using C#, .Net 4.5.2 framework, ArcObjects SDK 10.4 to ...
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1answer
166 views

QGIS reprojection is identical to original map; Deir ez Zor / Levant Stereographic (EPSG:22780) to WGS 84/UTM zone 36N (EPSG:32636)

I have a topo map which I want to georeference into Deir ez Zor / Levant Stereographic (EPSG:22780) and then transform into WGS 84/UTM zone 36N (EPSG:32636). My goal is have as little divergence to ...
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0answers
67 views

ArcMap fails to convert all records from CSV file using Table to Table geoprocessing tool

I am using the table to table geoprocessing tool to convert a CSV file with nearly 5 million records into an GDB table in a file geodatabase. The tool succeeds each time, but only 603 records are ...
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1answer
74 views

Accounting for orientation for a UAV image

I have a series of images that were taken with MicaSense RedEdge sensor attached to a UAV. My final goal is to input these images into mapping software (ArcMap, ENVI or QGIS) and be able to do stuff ...
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0answers
302 views

Getting empty output with Erase tool in ArcGIS Desktop?

I'm looking to isolate the parts of two hexagon feature classes that overlap: I thought that I could use the Overlay > Erase tool to do this. The "input feature" would be the first image,...
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1answer
51 views

Polygons which are completely overlapped by second polygon - QGIS

I have multipolygon like here: . And I have another, second polygon. Anyway I want to get only polygons which are completely overlapped by that second polygon. Intersection and clip in QGIS only cut ...
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3answers
4k views

R Raster package: write NetCDF with time dimension

I am writing a rasterbrick with multiple layers to a netcdf file using the raster package in R: writeRaster(gridfile, "Data", "CDF", overwrite=TRUE, varname="Data",varunit="mm.d-1",longname="...
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6answers
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What LiDAR processing tools are available in Python?

I have been using FUSION and the command line FUSION Lidar Toolkit (LTK) to process LiDAR data. A broad Google search ("Lidar Python") yielded libLAS and pyLAS as Python LiDAR libraries, however, ...
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3answers
1k views

Correctly Transforming (Unprojecting?) from Lambert Conformal Conic?

I started out by posting https://stackoverflow.com/questions/6963991/how-can-i-transform-the-coordinates-of-a-shapefile In short, I found a shapefile here, and I want to be able to convert that to ...
4
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1answer
2k views

Calculate number of people within 50 km of a point

I have two data sets: World population (raster) in EPSG:4326, from http://sedac.ciesin.columbia.edu/data/set/gpw-v3-population-density-future-estimates/data-download A shapefile with points (...
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2answers
1k views

Performing Batch Geoprocessing in ArcGIS Pro?

I have been looking around in order to add multiple files instead of 1 at a time. I currently have about 55 files that I need to keep as separate layers. ArcGIS 10.x had the option where you can ...
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3answers
3k views

Split lines by polygons in QGIS

I have a river network (lines) and a shp with states (polygon). I would like to split the lines at the state boundaries --> split lines by polygon boundaries. Is there a geoprocessing tool to do ...
2
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2answers
2k views

How to calculate frontages of city parcel data in ArcMap 10.0?

I need to calculate the length of polygon frontages (along streets) from our city's parcel (i.e. lot) data in order to do an analysis on lot frontages in various zoning districts. How can I do this?
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3answers
2k views

“Clip” hole into Shapefile

I want to clip a hole into a shapefile. The underlaying shapefile (greenish) consists of many polygons. The overlaying (red) is only one polygon. When I use the clip tool I get this or this ...
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8answers
18k views

Select features that do NOT intersect in PostGIS

This seems to me like such a simple question (and it probably is) yet I cannot seem to find an example that gives me the answer. Using PostGIS, I just want to select points that fall outside of ...
5
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3answers
724 views

Clustering neighboring points inside ArcGIS Desktop?

I am using ArcGIS Desktop 10x. I have a shapefile of 300 points which I need to make groups, each of which will contain exactly 9 points which are closest neighbors. I tried the 'near' tool, which ...
2
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1answer
99 views

Intersecting to vector layers when there is no common attribute [duplicate]

I am trying to join two vector layers into one, the first is a road noise barrier shapefile, the second is a vectorised DEM. The road barriers have a relative height attribute for each section of ...
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1answer
44 views

Geoprocessing web service not writing out all files for .shp

I created a Python script, run by a toolbox. I am using Python shapefile to generate a point shapefile. If I run the tool locally (i.e. on the desktop) it works great. Shp, shx and dbf all writen out ...
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1answer
42 views

Script error in ArcGIS 10.2

I have a problem when using some geoprocessing tools in ArcGIS 10.2, such as "Merge". The message that appears is an error has occurred in the script on this page. I've seen this is a quite common ...
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1answer
3k views

Result Window in ArcGIS 10.1 is not Opening

I booted up ArcMap 10.1 today and found out the Results Window was not opening up. Background info: ArcMap is running through a virtualization program through at my company. Similar issue has came ...
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1answer
2k views

Getting attribute from overlapping feature from other polygon data using ArcGIS Desktop?

How do I transfer attribute data from one polygon layer (A) to another (B)? I am using ArcMap 10.2. I tried using Identity. It doesn't work. I also tried converting (A) to point so it has the same ...
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0answers
395 views

No processing tools in QGIS 3.2 [duplicate]

I recently upgraded to QGIS 3.2 and followed the install instructions carefully. Under the raster and vector menus I have only 1 tool for vector and only 3 for raster. No analysis, geometry, ...
4
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0answers
1k views

Invalid geometry error when running Vector Intersection tool in QGIS 3

I am reworking an exercise that runs fine in QGIS 2.14 and 2.18 but have encountered an error in QGIS 3.2. I am using Windows 8. I am using the Alaska training data and adding the majrivers and trees ...
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0answers
343 views

pass selected value from drop down list in updateParameters(self) as input to python script

I managed to create two drop down lists using the validation code where an user can select the first parameter from a list and get another filtered list for the second parameter. However, I am ...
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0answers
18 views

Channel Easements for County: Need help with Query or Python

I have a layer for easements for a whole county and need to find each easement either MISSING or having a PART of what the county calls "STW_ARCS." These ARCS are what the county have data on for how ...
12
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1answer
14k views

Is Clip (Data management) or Extract By Mask (Spatial Analyst) more efficient?

I'm trying to clip down an Orthophoto to a county boundary. I've been using the Extract By Mask Tool, but this process has been running for about 12 hours! It's gone through 2 cycles already, so I'm ...
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1answer
45 views

ArcMap geoprocessing tools/field calculator for batch assignment of line segments

What method works best to batch-assign line segment records falling on polygon boundaries, where one side of the street (line) is one city (polygon) value and the other side is a different value?
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0answers
231 views

Geoprocessor won't execute with ArcObjects

When I use the geoprocessor in my ArcObjects code for creating a feature in the sdeworkspace it doesn't work and returns an empty path for geoprocessor output. How can I solve this problem? ...
0
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1answer
489 views

Failed to Rebuild Indexes[Underlying DBMS error]

I am trying to rebuild indexes on a feature class and standalone table within ArcMap 10.2.1 and its giving an error which says: Unable to rebuild indexes[Underlying DBMS error] All other indexes ...
71
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11answers
12k views

Alternatives to using Arcpy

I seem to use ESRI's Arcpy site package for virtually all of my python geoprocessing. To ESRI's credit, these are an incredible suite of tools that can help accomplish a great deal. However, I would ...
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1answer
98 views

Using IGeoProcessor2 to update Oracle Spatial

In the below example the input and out are shape files read from folders.Is it possible to read and write Oracle Spatial Geometry tables? I have ArcGIS,ArcSDE and Oracle Spatial 11g. How to set ...
2
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3answers
113 views

Identify and remove isolated fishnet polygons

What process can I use to remove isolated cells in my layer; i.e. cells that don't have an immediate neighbour are to be removed - I've circled a couple in the image below. These are based on an ...
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1answer
204 views

Snap Raster problem in ArcGIS 10.5.1

DEM is used to produce Slope raster. I use Snap raster but it does not work. Based on some posts, I uncheck background processing of geoprocessing but it did not make difference. Both the input and ...
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2answers
486 views

Clip/Intersect in QGIS 2.8.2 resulting in empty attribute table

I'm trying to clip two layers together (a layer showing the area of a city and a layer showing a political boundary running through that city) in order to show the location of the political boundary ...
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0answers
298 views

ArcGIS server Geoprocessing job failed immediately after submit

I have a few geoprocessing services published onto a production ArcGIS server but after a series of Windows 2012R2 and ArcGIS server updates, the services stopped function. When I submit a job, ...
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2answers
67 views

Automated way of Connecting dangling polylines of two separate feature classes

I have two datasets that I am trying to form into a network, one representing pedestrian and bike paths, the other representing roads. The lines do not connect together (as seen in the picture below)...
8
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2answers
9k views

How to intersect lines and polygons in R?

Following on from an answer about intersecting polygons with lines to chop up a polygon into smaller polygon units (in QGIS), I wanted to try the same thing in R. However, I cannot seem to find a ...
2
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0answers
54 views

Is there a proper geoprocessing term of clipping data based on the hole in donut polygons? [closed]

This is a general question not software related. Is there a geoprocessing term used for clipping data using the holes in donuts polygons? I want the process to keep the data which are visible through ...
1
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1answer
334 views

Running ArcPy geoprocessing tools on cursor rows?

I have a script using a Search Cursor to iteratively make copies of individual features for use as inputs in a geoprocessing tool, e.g., fc = <feature class> arcpy.MakeFeatureLayer_management(...
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2answers
2k views

Difference between Spatial Join Tool and Spatial Join Function in ArcGIS Desktop?

I am curious to know if anyone can shed some light on the difference between ArcGIS' Spatial Join geoprocessing tool (found in Analysis -> Overlay toolbox) and the Spatial Join 'wizard' (found by ...

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