Questions tagged [editing]

Editing is the process of modifying feature geometry, locations, and attributes of spatial data.

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21
votes
8answers
34k views

How to merge lines with slightly different endpoints in QGIS?

In QGIS, I have two lines. The endpoints are near each other, but not quite aligned. I'd like to turn the two lines into one, with the two endpoints merged into midpoints. The closest I've been able ...
21
votes
2answers
11k views

How does the QGIS3 vertex editor work?

I'm having two main problems: When hovering over a map with multiple layers, even though I only have one layer editable and visible, I am seeing all the nodes of all layers show up as red dots when ...
21
votes
1answer
8k views

How to have a drop down list for feature editing (attributes) in Quantum GIS?

I'm editing a lot of polygons of a shapefile in QGIS and i need to classify them, so i have to write the classes a repetedly a lot of times. In ArcMap there is an option to have domains set for the ...
21
votes
1answer
3k views

Can PostGIS and QGIS provide dependable multi-user editing?

After considering a few options, I'm trying to give my 15-20 QGIS 2.2 users the ability to concurrently view/edit one or two basic point PostGIS layers, largest one has just 16,000 records. I've ...
18
votes
7answers
16k views

Recalculating full extent of File Geodatabase feature class?

I have a featureclass in an Esri file geodatabase. When I edit the features using the editor in ArcMap, and I delete most of my features and keeping only the ones in the middle, the zoom to layer ...
17
votes
11answers
22k views

Why won't ArcMap 10 snap? [closed]

I'm really confused by this. ArcMap will seeminly randomly decide to not allow snapping when editing. Sometimes its only for certain features, sometimes for only parts of the same feature (e.g. one ...
17
votes
1answer
13k views

How to create a hole in a polygon in QGIS?

I'm trying to use the tool "delete ring" in order to create a hole in a polygon. The geometry of the hole is another feature of the same shapefile I cannot manage to delete the part of the polygone. ...
15
votes
4answers
21k views

Manually editing raster to improve classification using ArcGIS Desktop?

I have a land cover classification derived from Landsat TM imagery - I created this classification using ENVI. I would like to edit individual and groups of cells in some areas of the classification ...
15
votes
7answers
7k views

Is it easy to digitize in ArcGIS using the Wacom tablet?

I do just enough digitizing (and touching up/ drawing when post-processing) to perhaps warrant the purchase of a Wacom tablet. Just wondering how well it plays with ArcGIS. What are your experiences? ...
15
votes
5answers
14k views

How to split a vector into equal smaller parts in QGIS or similar?

i want to divide a shapefile with many tiles into a lot of smaller tiles. I am searching for a smart solution, because manual edits are out of questions Anyone can help or know a nice function?
15
votes
2answers
11k views

Correcting gaps and overlapping polygon (parcels) geometry

I have come across a resource that we rely upon almost daily that is in terrible need of repair. It is not our own product and the supplier is generally not interested in fixing the problem. We are ...
14
votes
6answers
15k views

Randomly subsetting X% of selected features using ArcPy?

What methods are available in ArcGIS 10.2 to randomly subset a selection of points. For example, in the attached screenshot I am interested in keeping 20% of the selected points and deleting the rest....
14
votes
15answers
3k views

What GIS editors work with GIS data that is stored in SQL-Server

If I store my vector GIS data in SQL-Server, what editors can I use to edit the GIS data?
14
votes
3answers
6k views

How to merge two 'incompatible' polygon layers in ArcGIS?

I have two layers of polygons with administrative boundaries. Although they come from the same data provider, they seem to have small discrepancies and do not 'fit' each other. How could I merge ...
14
votes
2answers
17k views

Seeking online WKT editor?

We need to do are very simple administrative boundary drawings over a (insert fav map here) via some website. Our requirements are: click to create points which then form a polygon drag existing ...
14
votes
2answers
760 views

Who should be responsible for editing GIS data?

I work for a municipality with an enterprise GIS. What would be the argument for performing all data editing in the GIS department? Conversely, what would be the argument for data updates being ...
13
votes
3answers
4k views

PostgreSQL trouble editing points / lines / polygons in QGIS

I have a problem with postgresql and QGIS : I can add points/lines/polygons and fillup field But I can't : delete points/lines/polygons modify points/lines/polygons (move or modify field) ex : ...
13
votes
3answers
37k views

How to view or import *.pbf file (OSM data, binary format) in ArcGIS for Desktop or QGIS?

How to view or import a pbf file (OSM data,binary format) in ArcGIS for Desktop or QGIS? Are any 3rd party applications needed? I would like to edit this file on any GIS Software.
12
votes
5answers
22k views

Is there a Rotate Tool in QGIS?

I can see the move tool. But coming across versions, i did not see any Rotate tool in Quantum GIS. As a hardcore feature editor myself, i have found it rather difficult. Am i missing something obvious?...
12
votes
2answers
15k views

How to add a node/vertex in a QGIS edit session?

I'm doing some polygon (boundary) cleanup, and am wondering if it is possible to add a node/vertex to a set of selected polygons or even a single polygon. By the way, the QGIS topology editing tools ...
12
votes
2answers
2k views

Documenting inability to Start Editing SQLite geodatabase layers in ArcMap?

I've recently started creating SQLite geodatabases using ArcGIS 10.2 for Desktop with both ST_GEOMETRY and SPATIALITE storage data types and was impressed by how easy this was to do. I then tried to ...
12
votes
3answers
24k views

Cut/Clip/Split a polygon with another polygon from same layer

To not have overlapping polygons/features, I normally use one or more polygons to clip/shape other polygons. This is often much faster than tracing when adding polygons etc. I cannot find this ...
12
votes
3answers
341 views

Distinguishing corridors from fragments in a habitat map

I was wondering if someone has delt with this kind of issue before: I want to delineate fragments based on neighboring pixels of the same class (forest) with a distance threshold of 3 pixels (which ...
12
votes
1answer
272 views

Turning off all pulsing-heartbeat and other animated effects in ArcGIS Pro?

Every time I select a feature or edit or split a feature the selection, appears to slowly pulse which is a new visual effect in Pro. The pulse effect takes way too long bordering on annoying which ...
11
votes
2answers
1k views

Web-mapping with editing capabilities? [closed]

I'm embarking on a new web map project that seeks to display simple geometries (lines, points, polygons) and rasters/basemaps. Ideally, the map will also allow authorized users to add/remove/edit ...
11
votes
1answer
7k views

Move Polygons with snap from edge to edge

I have such a basic question, but can't find any solution. I have some hundred rectangular Polygons and want to move them to other, already existing Polygons. The borders of these polygons should ...
11
votes
3answers
6k views

Editing PostGIS/GeoServer data via web?

I've got PostGIS installed and would like to create a web application to do some simple edits: Draw manually (over a Basemap) points, lines and polylines, using snapping points (points, end of lines,...
11
votes
4answers
1k views

Drag multiple vertices of different line features in QGIS

Is it possible to drag multiple vertices of some parallel lines in QGIS at the same time? I have a line-layer with parallel lines. In some regions I have to move the vertices of all parallel lines so ...
11
votes
3answers
507 views

How to improve drawn shapes in Quantum-GIS?

I have a polygon-shape in qgis-1.7.0 and want to fix overlays and gaps between the edges of adjacent polygons. See image below. Is there any automated way to do this in quantum-gis? Or any other F/...
11
votes
3answers
28k views

Downloading feature class from ArcGIS Online web map?

I'm new to ArcGIS Online (or ArcGIS.com as they're calling it now), and I'm confused as to how data is organized, and how it is accessible. I created a new map, chose Add -> Create Editable Layer, and ...
11
votes
2answers
5k views

Why can't I edit KML/GML layers?

Newbie here confused by my first experience in QGIS I have a handful of lines defining a bike route. Originally they were saved in a .gml file and later translated into .kml so they could be viewed ...
10
votes
7answers
19k views

Fixing corrupt shapefile?

I have a shapefile that I was working on in ArcGIS Desktop 9.3 get corrupted somehow and it gives me the error "Number of shapes does not match the number of table records.". What I would want is to ...
10
votes
1answer
6k views

How to undo misclicks while drawing a polygon?

I'm trying to draw some polygons in QGIS 2.2 and I lose it, because everytime I misclick, I don't find a way to undo that point and start drawing again. I'm sure there's a way. Does anyone know it?
10
votes
5answers
5k views

Checking via ArcPy if ArcMap is in edit session?

I've created a Python add-in button that helps speed up my coworkers workflow by copying one feature class attribute to another. It uses the arcpy.UpdateCursor function to update a row in the target ...
10
votes
3answers
10k views

How to split lines on vertex?

I've searched a lot but didn't find an answer: When editing lines with QGIS, I often need to split a linestring exactly on one of his existing internal vertices, but I can't find a way; I've tried the ...
10
votes
4answers
8k views

Editing PostGIS layer from ArcGIS Desktop without Enterprise Geodatabase (ArcSDE)?

I have been working with QGIS/PostGIS for a while now, without problems, but now I have to change QGIS for ArcGIS Desktop 10.1. I am having trouble adding a layer from PostgreSQL and being able to ...
10
votes
2answers
5k views

Is there any 'Auto-complete polygon' tool in QGIS?

Is there any 'Auto-complete polygon' tool in QGIS, similar to the one existing in ArcGIS?
10
votes
1answer
19k views

Manually editing point coordinates in QGIS?

Is there a tool for shapefiles or a QGIS plugin available, which will enable me to edit the coords of a point manually ? ("tool" -f1 "Tsunami Gauge"-move x1.abcdef -to x2.ghijkl) I do have ...
10
votes
1answer
951 views

Polygons from Polylines in GRASS GIS?

I have 20,000 polylines in a .gdb that represent about 5,000 building footprints. Some of the building footprints have pretty substantial gaps (image below). I would like to snap the polylines closed ...
10
votes
2answers
1k views

How to rectify polygon shapes in QGIS?

I have some polygon-shapes in qgis-1.7.0 and want to ensure that every polygon is a rectangle. See image below. Is there any way I can do this in QGIS (or any other f/oss)? Or how can I improve my ...
10
votes
3answers
561 views

PostGIS (2.0?) - Native Versioning of the Datastore

I recently have been surprised to see there are not too many solutions at all discussing the best methods of versioning datastores which are made available for editing. I am looking for a robust, ...
9
votes
3answers
1k views

Voronoi Diagram on a given polygon using QGIS

I am trying to create a Voronoi Diagram on a specific polygon, but there is some issue when dealing with edges. Here is how I do it: Preparing the points for Voronoi and the polygon for the diagram ...
9
votes
1answer
805 views

Out of Server Memory when reconciling a large edit session in ArcObjects

One of our users has been periodically experiencing Out of Server Memory errors with ArcSDE 10.0 when trying to reconcile a large edit session. VMware ESX Instance: Windows Server 2008 R2 Datacenter ...
8
votes
3answers
61k views

Create Features window disappeared?

I closed the window and now I can't find it again. I've tried the Editor toolbar dropdown and Create Features is not even on there (at all, not even greyed out). Suggestions?
8
votes
4answers
11k views

Is there any tool/plugin for QGIS to easily select feature and edit attributes

I need to select polygons and change some attributes in a shapefile. I'm using Quantum GIS - I select the polygon, open attribute table and edit the attributes I want. I know there must be an easier ...
8
votes
3answers
5k views

Is there a quick way to invert a node selection in QGIS?

is there any way to invert a node selection in QGIS? For example, I want to extract a small section of a long line - if I select the nodes I want to keep, is there any way to invert that selection so ...
8
votes
3answers
418 views

Zoom from one feature to another in edit mode?

I have to manually edit a shapefile of a couple of hundred points. I would like a quick way to jump from one point to the next in both the attribute sense and the visual/spatial sense i.e I would ...
8
votes
4answers
4k views

Ways to change ArcMap 10 editing tool back to ArcMap 9.3 version

I'm trying to get used to using ArcGIS 10, but in the meantime I still need to actually get work done. I stumbled across a way to change the editor tool from its 10 version back to the 9.3 version (...
8
votes
4answers
3k views

What is the best web editor and server for PostGIS?

I'm looking for a web editor (similar to OpenStreetMap) that works with a map server (PostGIS). This should permit editing and creation of new structures on a map. What is the best option?
8
votes
2answers
667 views

Best Practices for Tracking Feature Changes and Supporting Documentation

In my organization, it is very important that we have documentation from an authoritative source to support every feature that we add to our data and every edit that we make to each feature. Currently,...