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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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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53 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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95 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
84 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
27 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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1answer
47 views

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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120 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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21 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
28 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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29 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
86 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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28 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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32 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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32 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
60 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
24 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
43 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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45 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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149 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
57 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.
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80 views

Is there a website in which I can do geoprocessing online?

Is there a website in which I can do geoprocessing online? I know there are a lot of sites that allow the visualisation of your data online or some basic map-making, but I need something more... Kind ...
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19 views

Using ArcMap's report system on large scale? [closed]

I'm trying to set up a reporting system based off two layers - point and polygon feature classes. The system would run this report on each polygon that had a value in a specific field (polygons ...
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1answer
348 views

Running PostGIS ST_ClusterWithin on large dataset?

I am trying to use the new ST_ClusterWithin in PostGIS 2.2 to help me aggregate building polygons that are within 5 metres. The source data has > 13million polygons. I ran the following query on a ...
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1answer
60 views

QGIS Processing Script will not Validate

I am writing a script for QGIS that will identify the perimeter of only external facing walls. The script is probably a little long to post directly into this post, but it is accessible here. The ...
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1answer
71 views

Making output table of Python script tool be intermediate file to another model?

I have created a Python script tool using ArcPy. It has a File Geodatabase Table as output. I want to add the script to a new Model in ModelBuilder in ArcMap. The Table output should be an "...
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1answer
88 views

Passing in complex parameters to geoprocessing tool?

I'm currently using the Statistics geoprocessing tool (called Summary Statistics in the UI) from ArcObjects. This tool accepts two "complex" (for lack of a better term) arguments: Case fields ...
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3answers
218 views

Geoprocessing Tools - I can't get Intersect/clip to work

I desperately need to intersect two layers, one of 32 large polygons (towns) the other of many smaller areas with those towns, so that I can classify and make calculations on the smaller areas sorted ...
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2answers
54 views

Finding output of geoprocessing operation in ArcGIS for Desktop?

I am merging some features using the Geoprocessing Merge tool in ArcGIS 10.1 for Desktop. The tool requires that the output is saved in a folder. Although this was done after the process ended ...
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1answer
136 views

How to get latitude and longitude data from the borders of a state in R

Here is my problem: I need to get longitude and latitude data from the borders of the Brazilian states. With this data I can plot a map of each Brazilian state and, of course, of the whole country. I ...
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1answer
50 views

How do you start a Toolbox tool from ArcObjects?

I want to put a couple of toolbox Tools onto an AddIn toolbar. I tried to reference the ProgIDs in the toolbar section of the Config.esriaddinx, but that didn't work (only saw blank spaces where the ...
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1answer
48 views

Arguments error when running LineDensity scripts in arcpy

I'm trying to use LineDensity tool on polyline features. The shapefile is small and includes some invalid geometries. The code I use is an adaptation of an ArcGIS Help script. Here is my code: ...
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1answer
279 views

Script Error 'Invalid Pointer' in Spatial Analyst Tool [duplicate]

I have ArcGis 10.3 (previously 10.2 version) running on Windows 10 (previously Windows 8). My GIS licence is provide by my company where I have an intership, so I can't just uninstall/install back the ...
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1answer
51 views

Calculate data from a set of raster files

I need to make some calculations with data from raster files saved in my postgis database. I need, build a map, using the average from a set of these raster files, for example. Besides, I need to ...
2
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1answer
90 views

Are QGIS Intersect and Clip Tools Broken?

I was getting this problem with a complex map so I have created a simplified map with two layers. Accessible greenspace contains a couple of hundred small, mostly isolated, polygons with one (name) ...
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34 views

Geoprocessing Tools Create Empty Shapefiles in QGIS? [closed]

I seem to have great difficulty using the geoprocessing tools in QGIS. Sometimes they work fine, sometime no matter what I do I get a null result, even though I can see I should be getting a selection....
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1answer
49 views

Support for Foreground and Background geoprocessing in ArcMap tools?

If not all ArcGIS tools support both foreground and background Geoprocessing, then how can I tell whether a tool will run in the foreground or run in the background?
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2answers
131 views

Seeking list of Geoprocessing tools that take advantage of 64 bits?

I am looking for a list of ArcPy tools that will actually utilize 64 bit structure. I know some of the tools will just run a 32 bit version inside a 64 bit program. I could have sworn I have seen ...
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1answer
72 views

How to handle two onclick events that not both are fired?

I make a web application with ArcGIS API for Javascript (version 3.15) to access a geoprocessing service. The service is executed on an onclick event by the user, because the clicked position is used ...
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37 views

How to intersect two polyline layers? [duplicate]

I have two line shapefiles that overlap 50% of the time. I want to generate a new single shapefile that includes attributes of both datasets AND no duplicate segments. A short segment from one layer ...
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1answer
30 views

Table Select does not work in Model Builder, when using parameter in SQL

I'm trying to create a model that uses values from a single table, in order to perform a different calculation for each raster in a file. Each raster is represented in the table by a row that contains ...
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17 views

Area Normalizing Percentages after Intersect

I am summarizing Census data within custom drawn polygons. I am summarizing age data (percent male 24-29, etc.). As with whole numbers, I assumed I would need to area normalize the data AFTER the ...
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4answers
56 views

Reformat Attributes In a Feature Class

I am using ArcGIS 10.3 for Desktop. I received a feature class with attributes, as illustrated in the first table below. I am seeking a geoprocessing tool or process that would help me reformat ...
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1answer
35 views

Using Generate Near Table and keep the ID attributes

I try to use near table between two datasets to calculate the nearest distance. The original data is as the right one, and the near table generated is as the left one. The problem is the attribute of "...
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0answers
59 views

How to add Geo PDF header to a PDF rendered with mapnik?

I rendered a PDF with mapnik and I am now trying to add geospatial header information to the PDF. I tried the method add_geospatial_pdf_header() from mapnik.printing.PDFPrinter. I do get some Geo PDF ...
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2answers
285 views

Error while Geoprocessing with Geometry Objects

I'm trying to use the distanceTo() mehtod to return the distance between the centroid of a polygon and a line, but I keep getting this error: "AttributeError: 'Point' object has no attribute '...
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42 views

How to leave out cities with less than X number of observation in ArcGIS?

I would like to generate some quintile maps based on the averaged sentiment score in each city in the US. However, not all the city has the same number of data point. How can I tell ArcGIS to show ...
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1answer
123 views

DBMS Table Not Found with SQLite and ArcGIS 10.3

I'm trying to set up a spatially enabled SQLite database with ArcGIS 10.3. I've gone through the following steps: Create a database using the sqlite3 utility: sqlite3 mydatabase.sqlite Load the ...
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2answers
169 views

Calculating area in polygons NOT covered by other polygons in ArcGIS Desktop?

I have two polygon shapefiles, one is county boundaries and the other is the National Flood Hazard Layer that shows areas in the floodplain. The flood layer is an extremely complex and challenging ...