Questions tagged [workflow]

a workflow is a stepwise set of instructions for processing data.

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PDF form export with QGIS

First: I am complete newbie to GIS. I try to find a workflow for my upcoming project that involves a lot GPS data and recurring activities. Short explanation: I am doing inspections for certain ...
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1 vote
1 answer
39 views

Select a subset of layers from a folder using QGIS

Once a month I get a zip file of 300+ shapefiles made up of lines of individual ship's tracks, and a list of a sub-set of those tracks that I am interested in for analysis and display in QGIS. I want ...
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2 votes
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Using Mosaic + Orthophotos to create Mosaic produce overlap error?

I am using Mosaic + Orthophotos from the package from Datem Software. I have 7 photos that I need to generate Mosaic from Orthophotos . I am not very familiar with this software and just learn how to ...
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3 votes
1 answer
175 views

Calculating max and min height of route segments with different lenghts based on DEM in QGIS

I do have a line layer containing route segments (input layer). The routes as well as the segments have different lengths. I also have a DEM for the height information. Now I need to know the minimum ...
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  • 175
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Finding Average Nearest Neighbor when multiple points are stacked with similar XYZ

I routinely run the average nearest neighbor tool in ArcGIS Pro but I do a lot of front end massaging my points file. My current workflow: I generate multiple points that run down a single drill hole ...
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3 votes
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446 views

How to extract height of building and roof structure from nDSM data

I am working with QGIS; SAGA; OrfeoToolbox and I try to create LOD1 and LOD2 building models. I need help to recreate LOD1 (or LOD2) building models from DSM / LIDAR data. I have a footprints of ...
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  • 71
7 votes
1 answer
790 views

QGIS: Map theme with layer visibility AND style, does it exist?

I'm using QGIS to do urban visualisation on large scale territory, I'm used to working with Archicad which has an amazing option called "Graphic Overrides", it's a way to create different ...
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1 vote
0 answers
89 views

Workflow for Data Cleaning and Merging of Multiple Point Vector Layers in QGIS

I have multiple point vector layers in shapefile format. Each shapefile contains information of points (longitude and latitude) and datetime (in dd-MM-yyyy format). The problem is that some layers ...
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Geocortex workflow 5 calculate service area

How can I use calculate service area activity in Geocortex workflow 5? I have tried all the possible ways using ArcGIS NA Server service layer. When I am running the workflow error is displayed: ...
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3 votes
3 answers
669 views

Running second FME workspace when first workspace is completed

I've got a workspace that inserts data in a database. It runs on FME Desktop and FME Server. After the insertion (the first workspace) is completely done, I'd like to run a second workspace that ...
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  • 415
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1 answer
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Shapefile, clip or project first when both are necessary

This is a question mostly out of curiosity, but I do it enough if there were a better choice I would stick with that. Using ArcMap 10.6, when a shapefile needs both clipped and projected is there an ...
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2 votes
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109 views

Mobile app for workflow/timesheets + GIS Asset collection required [closed]

We're looking for a solution to move our field operatives from paper based input to electronic field input on tablets to record workflow and map assets. Work involves land drainage (working on ...
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0 votes
1 answer
919 views

Creating a box-plot based on raster values in ArcMap?

I'm currently working on ArcMap and having trouble designing my workflow. My objective is to create a boxplot based on raster values. I want to divide my raster file based on some polygons I have and ...
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1 vote
1 answer
110 views

How could you measure the minimum and maximum distance to the outer edge of a polygon in QGIS

I am looking for a automatic method to measure the minimum and maximum distance from a point (represented by the star) to the outer edge of a polygon (black dotted line). I know this could be done ...
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1 vote
2 answers
406 views

How to add a feature on a ArcGIS Feature Service with a Geocortex Workflow

Do you know the correct Geocortex workflow to add a feature to a layer of a ArcGIS Feature Service? I'm using the Geocortex Workflow Designer 4.9.2.46. I know it's easier to add a feature with the ...
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  • 371
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0 answers
177 views

Unable to edit geometry into database using PostGIS connection in Civil 3D

I have prepared a set of tables (in PostgreSQL) in database with unique geometry types (point, line, polygons) for survey work. I am using Autodesk Civil 3D to edit the geometries in the tables but ...
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0 votes
1 answer
457 views

Writing to Garmin IMG format from FME or other tools

At my workplace we manage protected areas. The maps on their GPSes do not update often enough. Typically enough they are the ones setting up signs for the general public. Our rangers would like to ...
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2 votes
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175 views

Run graphical modeler on multiple pairs of selected features

I have a shapefile of 10,000+ county polygons. Of these, I've identified ~5,000 that are geographically too small, and I want to combine with their immediate nearest neighbor, naming the combined ...
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  • 145
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1 answer
177 views

Creating a static search/filter panel in Geocortex html5 Viewer

Is there a way to create a static filter panel that filters on current results or map extent? e.g. after performing an address search, to filter on neighbouring property attribute details (data linked ...
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4 votes
2 answers
109 views

Keeping Default Version of Geodatabase protected?

I have a multiuser geodatabase with Oracle Enterprise RDBMS. The Version of the geodatabase is 10.4.1 and Oracle 11g. We have over 35 data editors with the flat version tree, each user having their ...
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0 votes
1 answer
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Reason for a Data Loss While Making Schema Changes on SDE - Oracle DB [closed]

I am not an expert when it comes to Administering Multi-User Geodatabase. However, I refer to Esri's documentation for best practices and efficient workflows before putting on my GIS Admin's hat to ...
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1 vote
2 answers
451 views

Label disappear after setting data defined position

Every time I make a map I like to have more control over labels position so I manually move them. But today something weird occurred. I defined X and Y position of label to manually move them. Every ...
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1 vote
0 answers
481 views

Data format for IMU + GPS data

Background: I'm using GPS + pressure/temperature/humidity sensor (for elevation, BME280) + 10 DoF IMU (BNO055) to collect data about small geographical region (few hundret-ish square meters) by ...
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1 vote
0 answers
184 views

Performing Suitability Analysis using ArcGIS Desktop? [closed]

I'm new to GIS (using ArcGIS 10.4) and stuck on the following problem: I need a way to find ideal locations for supermarkets that will service the most people possible based on proximity (as the crow ...
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  • 19
0 votes
1 answer
233 views

Insert a mixed geometry type directory of shapefiles in a workflow with FME

I can very easily deal whole TAB or DWG files directories (for example) using the "Single Merged Feature Type" option in the respective Reader. It takes all geometries encountered and allows me to use ...
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1 vote
0 answers
26 views

Tiger WOIS Could not open workflow

Recently I have been trying to use the TIGER WOIS package which looks really useful. I'm trying to use the Flood mapping tool with Sentinel-I data, but I encountered a problem right away. In the ...
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  • 11
3 votes
0 answers
327 views

Improve tree extraction method

I want to extract trees from a given normalized Digital Surface Model (nDSM) in SAGA GIS. My workflow is the following: Applying a Gaussian Filter to the nDSM with search radius with standard ...
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1 vote
0 answers
643 views

Alternatives to QGIS difference tool

I have a very large shapefile of building polygons and a shapefile of the country they reside in (England). The building shapefile was built by merging 94 smaller shapefiles. Both files have the same ...
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3 votes
1 answer
113 views

GDAL can i try to create a workflow?

When i try to compose a workflow im confused to the funcionality of that. I want to create a workflow to execute commands gdal. what syntax I can use if I wanted to create a .bat file? For example ...
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1 vote
1 answer
134 views

Merging various road data into single layer using ArcGIS for Desktop?

My company has two different road layers: 1) County roads 2) Old CAD roads Each with their own pros and cons. I'm attempting to merge these into a single road layer that will be maintained. The ...
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1 vote
1 answer
149 views

JTX/Workflow Manager dependencies to control workflow

When creating a new job in JTX, one of the required fields (under "Additional Information") tab we have is "Asset Type". The three choices for "Asset Type" are "Water", "Sewer" and "Water and Sewer". ...
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4 votes
1 answer
607 views

Map production checklist for organisation

I would like to create a map production workflow list for my GIS colleagues at a local public authority. When someone orders a map, I would like to have a kind of check list where we can just run ...
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1 vote
0 answers
269 views

Workflow with raster in QGIS 2.2

I'm trying to build a workflow with the QGIS 2.2 processing toolbox. I want to clip a raster layer with a vector layer using the GDAL tool "clip with a layer mask". But it doesn't work. The error ...
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7 votes
4 answers
970 views

Using change management for GIS operations [closed]

I'm working in a moderately big organization where GIS is just one part of the IT platform. The rest of the organization are working with Change Management and now they want us GIS engineers to be ...
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  • 373
3 votes
3 answers
5k views

Want to dissolve adjacent polygons but no common edges

I have a bunch of parcel data, I want to join the polygons basing on the same owner name. Even they are not touched, I want merge them together, such a 100 feet tolerance. The purpose is to show the ...
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  • 31
3 votes
0 answers
147 views

QGIS Workflow Problem [closed]

I have 3 SpatiaLite layers (one without geometry but with fields that need to be filtered, one with points and one with polygons, both without any non-geometry fields) that need to be combined to a ...
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  • 447
7 votes
1 answer
172 views

Storing brief cartographical tips, information, possible future designs?

I find inspiring maps and/or brief, 1-line design tips (i.e. "when satellite image is used as a basemap, I like to desaturate the tarnation out of it" that I may want to consider later using in a ...
0 votes
0 answers
42 views

Automatically delete services after a set period of time

Is it possible to automatically delete services after a set period of time? Is the username of the publishing user and the date the service was published saved anywhere? We are trying to implement a ...
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  • 337
6 votes
1 answer
2k views

Python script/Model to populate cross street names at intersections

Has anyone created a Python version/model of this VBA script from ArcScripts which populates the to and from street names at street intersections? A logical workflow is outlined quite nicely in this ...
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2 votes
1 answer
262 views

Using definition queries for scenario testing in ArcMap

I want to be able to run multiple scenarios in a typical ArcMap workflow. This will include making edits to feature classes, such as removing features, adding new features, or changing feature values ...
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5 votes
1 answer
251 views

Cartographic technique for detailing a 'Focus Area'

I'm working on updating a planning document. Whoever was in charge of cartography last time around used a great technique to identify and showcase focus areas (where to focus money and effort for ...
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11 votes
4 answers
7k views

Performing Multicriteria Analysis using QGIS?

I have to do a multi-criteria analysis to answer the question : "which is the best lot to develop". A few of the criterias are : distance of the nearest bus stop (point layer with bus stops) ...
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  • 119
28 votes
3 answers
6k views

Organizing GIS projects? [closed]

I have been struggling for quite a long time now with keeping my project files organized. What are your tips for keeping your datasets, images, shapefiles, etc.. organized?
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  • 2,812
19 votes
5 answers
536 views

What annoys you about your GIS Environment?

I have a question regarding your favourite GIS environment. Over the past few decades, there have been the usual major players, MapInfo, ESRI, Intergraph (Grass?), and we all love and hate aspects of ...
7 votes
1 answer
474 views

POSTGIS workflow for cleaning up a noisy dataset

I have a conservation dataset that im trying to simplify for the purpose of using it as a GML layer in openlayers, ie reducing the total shape and node count to quite small. The data has issues: eg- ...
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  • 467
7 votes
4 answers
5k views

Teaching GIS Project Workflow?

If you had to teach someone the key stages to a typical GIS Analysis project, what would be the best generic answer? I would like to see diagrams to illustrate this point. Do not think it requires ...
5 votes
2 answers
686 views

Data ETL workflow optimization

I have a legacy workflow that I would like to optimize and automate (at least partially). The current workflow goes like this. I receive a MS Access .mdb file containing a single table. This table ...
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  • 993
8 votes
1 answer
499 views

How to store historical versions of road (route) portions?

Part of my job is to analyze certain portions of road for our clients. A client will ask, I want to look at Road A from parcel XYZ to parcel RST and Road B from parcel RST to parcel OPQ. The way I do ...
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  • 8,442
4 votes
2 answers
581 views

Workflow for sharing inventory of stormwater network in Open Source GIS?

Our agency has collaborated with six townships and one city for preparing an inventory of stormwater network. We are using ArcGIS 10 (2 ArcView licenses) and ArcPad 7.1 (stuck with it since our ...
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  • 1,074
9 votes
1 answer
256 views

Visualization to inference workflow

I provide statistical support for a public health department. As you might imagine, we put together a lot of maps on a regular basis. For me, maps are just another kind of data visualization - ...
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