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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Which is the faster way to copy data to another feature class: Feature Class to Feature Class or Insert Cursor

I have a feature class with 1 million records. Which is the faster way to copy data to another feature class: Feature Class to Feature Class or Insert Cursor?
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44 views

Opening >10gb DEM files and clipping?

I have a 5m DEM for an entire province in Spain. It is over 48gb in size and is in asc file format. I only need a very small, 50 km² area. I open the DEM in ArcDesktop, and i get the loading bar ...
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20 views

Eps files from map export are not containing a vector image

I have made a custom map export service, which exports my map in a range of formats. However I have noticed that .eps files, exported using the arcPy function: arcpy.mapping.ExportToEPS(mxd, ...
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21 views

keeping domains when merging two feature classes (both are polygon features)

why do I lose my domains from one feature class data when merging two feature classes together in the same file database with the same fields and domains to each field? The new merged feature class ...
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9 views

Resampling using gdalwarp gives me no data

I have an image with the following information. Driver: GTiff/GeoTIFF Files:test_DEM.tiff Size is 91, 73 Coordinate System is: GEOGCS["WGS 84", DATUM["WGS_1984", ...
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2answers
48 views

Use ModelBuilder to copy/paste attributes from Table to Feature?

I am using ArcMap 10.3. This question involves the use of tables and personal geodatabase features. I am looking for an efficient way to populate Water Meter fields using data from a Table. The ...
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1answer
53 views

Use Only First “x” Characters from Table in qgis:selectbyexpression

I have a list of street names in this format: STRNAME Elsinore Neil Young Penny Fall And a shapefile ("input_streets") with street names in this format: STREET Elsinore Av Neil Young St Penny Lane ...
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33 views

Generating polygons from lines and problem with rings

I have a problem when generating polygons from lines. I got dxf file with layers: cadastral parcels (as polygons) soil classes (as lines) Now I want to generate polygons for soil classes (so I ...
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18 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 ...
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2answers
31 views

Toolbox blank when sending to someone else?

I have a toolbox with two models that I am trying to send to someone else. I am working in 10.4 and he is working in 10.3. I save my toolbox as a 10.3 toolbox and send him the .tbx file, but when he ...
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1answer
35 views

List group of line segments that are not connected to any other lines

In the image below, the system of lines includes 6 segments. This connectivity gives the appearance of an "island" as the internal segments are connected to each other and are not to the outside ...
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1answer
59 views

ST_Difference on linestrings and polygons slow and fails

I am trying to create a new table of linestrings with their existing attribution that are "different" to some polygons and am struggling to get a working PostGIS query. I have a table of linestrings ...
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1answer
26 views

Notification service for ArcCatalog

I am dealing with long and demanding analyses, which needs often lots of data and time ( between few hours to couple of days) and it can happen a full stop/break on my workstations caused by diverse ...
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1answer
48 views

PostGIS ST_Difference function returns wrong geometry in result

I have a strange st_difference behaviour. I’ve got two overlapping lines (each one has two points), but st_difference result is complete geometry of the first line. The code to reproduce is here: ...
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56 views

Issue with QGIS 2.10.1 Clip and Intersect Tools

Having an issue in QGIS 2.10 -- clip and intersect don't seem to be working correctly. I am trying to show zipcode by a legislative district in Florida. When I clip the zipcode shapefile by the ...
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9 views

Invalid Pointer…Script Error [duplicate]

After working with Spatial Analyst (using multiple tools several times each) for a certain (unclear) amount of time, any tool I open provides the same warning... A script Error has occurred on the ...
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25 views

Flat polygon feature to serve floors to time bins on Z axis of ArcScene?

How can I create square polygons with different z-values to create the horizontal panes shown in the image from ArcScene?
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25 views

Which PCS to use with WGS 1984 datum? [closed]

I am working on building a Modelbuilder tool to convert a .csv file with lat/long values into a polyline with shape_length. The dataset is in the WGS 1984 datum. It is my understanding that this must ...
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1answer
51 views

How to find cumulative length at points on a line?

I am working on a Modelbuilder project to teach myself how to use it. I do not yet have much knowledge in Python. I am currently a little stuck on the project I am working on. I have a line made from ...
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1answer
34 views

Attribute data disappearing after converting points to line

I am currently working on a project strictly in Modelbuilder. I am trying to teach myself how to use it. I don't yet know how to use Python and am still in the early learning stage. My question has ...
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31 views

ArcMap: Multipart to Singlepart and Explode are not working

I am trying to separate multipart polygons, however in case of Multipart to Singlepart program seems to be working for around 15 minutes and then it crashes and when I try to Explode I get the ...
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1answer
67 views

How do you create a buffer for a specific feature in QGIS?

Fairly competent ArcGIS user here, very new to QGIS. What I am trying to do is create a one-mile buffer around the highlighted parcel in QGIS 2.14 (from a .shp). Seemed straightforward enough: ...
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19 views

Finding measuring units [duplicate]

Every time I perform the geoprocessing tools buffer or intersect, my layer gains two more attribute columns, named "Shape_Leng" and "Shape_Area". How can I know in which measuring units are these ...
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21 views

How can I add a custom font in ArcGIS server 10.2

I have made a map export template which used Arial in the scalebar labels. I have installed a new font in my pc and I can see the font change from arcmap. When I install the custom font in the ...
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1answer
148 views

Adding new nodes in the middle of each líne of a Polygon

I am currently working on a Street Lighting Network. I have two layers in PostGIS ( PostGIS 2.1.3 and PostgreSQL 9.3.5): Manholes (56.000 Polygon) Pipes (Linestring) The manholes are perfect ...
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22 views

Process road polylines to not overlap building polygons

Is anyone aware of a processing tool in Grass or similar which will find segments of polylines which overlap polygons in another dataset and reroute the polyline to avoid the collision? My problem is ...
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25 views

QGIS x ArcGIS - Geoprocessing Vectors in Geographic Coordinate Systems [closed]

Is there a possibility of in future versions of QGIS, the software be able to geoprocess vectors (clip, buffer, intersection, etc.) in Geographic Coordinate System, and not only in UTM? In ArcGIS, ...
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1answer
92 views

QGIS modeler: count points in polygons

it is the first time that I’m using the QGIS graphical modeler and I found some troubles (QGIS 2.14.1). I’m trying to count points that intersect with polygons in a vector grid, but filtering the ...
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3answers
120 views

ArcPy Script Tool takes 30min - Ideas to accelerate the (raster) process

I developed an arcpy script tool that takes as input multiple rasters, a criterion to select specific cells from the raster which are then intersected with a point shapefile. At the end a value is ...
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32 views

Can turf.js be used to find and repair bad geojson geometry?

Methods: I'm currently using turf.js for geoprocessing as part of a broader mapping project; my workflow looks like this: Pull geojson of census tracts for an entire county Pull geojson tiles of ...
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2answers
90 views

Translating ArcPy Commands to GDAL Equivalents? [closed]

I'm trying to figure out GDAL equivalencies to the following arcpy functions: arcpy.env.overwriteOutput() arcpy.MakeFeatureLayer_management() arcpy.SpatialJoin_analysis() arcpy.da.SearchCursor() ...
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1answer
51 views

How to simplify borders between polygons in shapely?

I have some fairly complex, and not completely accurate shapes stored as shapely Polygon objects. I'm trying to find the common borders, which should be as easy as finding the LineString returned from ...
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1answer
24 views

Import ArcToolbox Log History on ArcGis

I do not know what happened but I have lost all my ArcToolbox log history that was available trough "Results" menu. The strange thing is that I can access the log files that are saved on my ...
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Why do we georeference from the image to the shapefile (and not the other way around)? [closed]

Why do we georeference going FROM the image, TO the shapefile (and not the other way around)?
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106 views

Calculating length of polyline next to polygons using ArcGIS for Desktop?

I searched a long time for the solution of my problem occurring during my diploma thesis. Maybe I am missing the right keywords for the correct search, but I need your help. I am using ArcMap 10.3. I ...
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20 views

Draw nearest points for specific point-line couples

I have a network made of several segments and some nodes located in the map. What I want to do is to choose individually a couple node-segment and find the location of the closest point to the node ...
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1answer
24 views

How can I convert a DataTable to a GeoDatabaseTable

I have a DataTable full of "stops" and I want to convert it into a table that can be GeoCoded. However, I am getting an error when I try to execute it. The Message: Error HRESULT E_FAIL has been ...
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28 views

Near does not provide outputs

I have a layer of lines that build a network. I would like to find which one of these lines is the closest to a certain point, defined in another layer. I was trying to use the "Near" tool giving as ...
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2answers
71 views

“Batch process” in qgis or simple program for resave multiple vector files into files with different CRS

Right now i,m using QGIS 2.10.1 Pisa, and i wonder if in QGIS there is any feature or plugin to resave multiple vector files that using CRS "A" into vector files using CRS "B" in 1 execution step ...
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23 views

Having Trouble Masking Geoprocessing tool

The output TinLayer that is produced is the rectangle extent of the contour's feature. I want it to be the shape of the contour's feature instead. When I create a custom feature class in the ...
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3answers
30 views

Transform/Align Census 2000 Blocks to Census 2010 Blocks

I would like to align census tabulation blocks from the 2000 and 2010 censuses. I have the relationship file, so I know which blocks are suppose to the same and which were split or consolidated. ...
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29 views

Terrain Profile starts a selected polyline-based graph in different directions

I´m trying to create some profile graphs with Terrain Profile in QGIS 2.10 Pisa, using LCP´s between a site and seven lithic deposits as polylines. When I select some of these lines, the graph starts ...
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3answers
55 views

QGIS Spatial join using subset of features?

I have a road network shapefile, as well as a postgis layer of different areas in a city. The areas file contains one big polygon containing everything (the service area), and then a series of ...
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34 views

Redrawing multisegmented lines as arcs using measurements stored in attributes

I'm beginning the process of moving our local government cadastre data in to a topologically clean parcel fabric layer using ArcGIS. I'm at the stage where I'm looking to clean the data and get it ...
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1answer
22 views

Add arrows next to many polygons

I have many polygons that present wind directional movement. How can I add arrows next to each polygon, to show the wind direction in any polygon?
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1answer
37 views

Interact with Selection and Entire Dataset using arcpy

ArcToolbox geoprocessing tools (and therefore arcpy) tend to run either on an entire dataset (if there is no selection) or on a selection set (if it exists). How can I set up an arcpy script that ...
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21 views

Examining the information in the buffer

I am using ArcGIS 10.3 for Desktop. I want to combine the following two data sets. 10km buffer of housing data(polygon) road data(polyline). It looks like this: I want to know the object ID ...
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39 views

Correcting for offset

I have a shape file with RTK measurements as a line feature, which more or less corresponds with visible features in a raster layer (shaped as lines). These measurements however are not accurate ...
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2answers
140 views

How to use real GIS tools to make skewed area maps for infographics

I'm a junior GIS tech, trying to make a map as part of an infographic. I wanted to do one where the size of polygons varied with a particular numeric attribute. Something like this one, where each ...
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2answers
52 views

How can you identify the geoprocessing tool that was used to create a layer in ArcMap?

In my Table of Contents, I have a layer that is named "symmetrical differences" but I am not certain it was created using that tool.