Questions tagged [editing]

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

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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?
14
votes
6answers
15k views

How to randomly subset x% of selected points?

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....
7
votes
4answers
14k views

Automatically update field value in one column based on change to another column in same table?

When editing I want to be able to change the attributes of one field and upon doing this allow for the automatic update of another field in the same attribute table. Essentially I have one layer ...
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 ...
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 ...
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?...
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 ...
7
votes
2answers
20k views

Why can't I edit attribute table imported through 'text as layer'

I imported the coordinates from an Excel table. They show as single points as intended. Now I want to add columns to the attribute table, but I'm not able to edit it. I wanted to import the following ...
22
votes
2answers
12k 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 ...
18
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. ...
14
votes
2answers
18k 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 ...
3
votes
3answers
3k views

ArcGIS Fill Editing Tool

Is there a way to fill while editing in ArcGIS? You know similar to the popular paint tool, where an enclosed area is filled with a colour. I'd like to fill an enclosed area (enclosed by poly lines ...
3
votes
1answer
2k views

ArcGIS Attribute Subdomain?

Is there a way to create attribute subdomains in ArcGIS with clauses? For example, if I'm editing a line feature class of pipes, I create a domain for the pipe type to be either plastic or metal. I ...
21
votes
9answers
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 ...
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 ...
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 : ...
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 ...
4
votes
1answer
895 views

Deleting anomalous points in *.lasd using ArcGIS for Desktop?

I am using ArcGIS 10.3.1 for Desktop. I have a raw .las file that I have brought into an ArcGIS .lasd file format. The raw data has several anomalous points; i.e. the maximum elevation for any point ...
3
votes
3answers
1k views

Using Replace Geometry to replace selected feature with circle in ArcGIS Desktop?

I have a polygon shapefile and I want replace every irregular polygon with a circle. I think I can do it with the Replace Geometry tool. But once the Replace Geometry tool is selected, draw a polygon ...
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 ...
5
votes
3answers
15k views

Shapefile layer no longer editable (toggle edit option greyed out) in QGIS?

I am using QGIS 2.16 / Windows 10. I have a point shapefile which I have been using for a little while that has always been editable. Today I was editing the layer, saved my edits and left my ...
4
votes
2answers
2k views

How do you remove isolated roads from a bigger network?

I'm trying to perform an OD Cost Matrix calculation on a set of points using a road network from OpenStreetMap data. The network contains lots of roads that don't connect to the rest of the network. ...
3
votes
4answers
2k views

How do I remove the orthoimage layer from the new USGS GeoPDF topo maps?

I would like to remove the orthoimage layer from a USGS Topo GeoPDF map. I have Adobe Acrobat Pro 9, but can't find a way to delete a layer. I've tried setting the layer to "Never export" then ...
6
votes
3answers
308 views

Is it possible to have the attributes fields already filled from the previous object?

I need to create a lot of points with lots of attributes, but most of the fields are the same, so I don't want to edit all the fields all the time. Is there a "remember previous fields" function ...
3
votes
3answers
3k views

“Node tool: could not snap to a segment on the current layer” message

I have a strange issue. Editing a layer with node tool I get always the following message: "Node tool: could not snap to a segment on the current layer." This error happens to me even with a fresh ...
1
vote
1answer
304 views

Creating Layer for Selected Features, then Moving it using ArcGIS for Desktop?

I have a problem with ArcGis 10.1 which I rarely use. In an edit session I select a polygon. I would like to 'Create Layer for Selected Features' and can do this; the new layer appears in the table ...
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 ...
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 ...
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?
6
votes
3answers
8k views

Editing Reference Styles in ArcMap?

Within the Symbol Selector > Referenced Styles How does one edit (rename, delete, etc.) the referenced styles in ArcMap 10? Clarification: I don't mean changing the look of the symbol using the "...
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 ...
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 ...
6
votes
3answers
4k views

How to collect data via WFS and Popup

I have a map with a WFS-Layer and I am able to add Polygons to my data stored in a PostGIS-database, served with GeoServer (OpenLayers, GeoServer 2.1.4, PostGIS 2.0 for PostgreSQL 9.1).) How can I ...
2
votes
1answer
2k views

How does one modify selected geometry with a function in qgis python console?

My example use-case is that I want to redistribute vertices along lines as in: Redistribute linestring vertices to specified distance How to create points in a specified distance along the line in ...
11
votes
3answers
29k 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 ...
7
votes
3answers
5k views

When i'm in editing mode in QGIS, how do I make the selection color transparent?

...because i need to split a polygon and i want to see the layer underneath it. But I have to select the polygon in order to cut it, and when i do that it turns yellow!
2
votes
2answers
3k views

Modifying DEM elevation data in QGIS using a polygon

I've tried searching through the existing questions but am struggling to find a succinct answer to what I am trying to achieve. For background, I am running a flood model in TUFLOW to help support a ...
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?
7
votes
2answers
4k views

How to display vertex markers in QGIS for non-editable layers?

I've a PostGIS layer with read-only privileges. Is there any way to display the vertex markers of the layer?
7
votes
4answers
4k views

Trace Tool for QGIS?

Is there any tool in QGIS that traces a line like the trace tool (Editor Toolbar) in ArcGIS? I want to draw a line and trace this line back so that I get the beginning and the end of the line at the ...
6
votes
5answers
514 views

Versioned to unversioned: How to undo edits in an edit session on an unregistered table

I'm considering switching some of my tables in an Oracle enterprise geodatabase from versioned to unversioned. The pros of having unversioned tables would be: Simpler, traditional database design ...
5
votes
2answers
10k views

How to edit an existing layer using leaflet?

I am used to working with OL3 and I wanted to try using leaflet and see if it is as powerful as OL. I loaded a map with some data from a GeoServer WFS layer using this tutorial from Georepublic. var ...
3
votes
1answer
1k views

Does QGIS have an autocomplete polygon option like the one in ArcGIS?

I am trying to do digitizing in QGIS, but I do not see an option that I have seen in ArcGIS - autocomplete polygon. I would like to make two adjacent polygons topologically correct, and can not find ...
3
votes
2answers
1k views

Set a split policy/rule on a field without domain in ArcMap

Can you define a split policy or split rule on a field without a domain? When a domain is involved, you can set the default value of the field and chose a rule for when a feature is split or merged. ...
1
vote
2answers
1k views

How to edit using a WFS service, without showing it on the map in OpenLayers?

I have a service with about thousand points. I wish to enable the user to edit the attributes of the features. Since there are so many points, I don't want to display them as a vector layer (using ...
1
vote
1answer
3k views

QGIS - split polyline

I need to create a shapefile with crossed streets. I can't split the lines to number each segment with the house number ranges.
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
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?
5
votes
2answers
736 views

How can I solve the problem with the “Indexing data” window while editing?

When trying to edit a vector layer using node tool, i get constantly the next message: Normally it appears once at the beginning of the edition and then it doesn't show any more, but now I get it ...
5
votes
2answers
3k views

Making shapefile Read-Only to ArcGIS for Desktop?

How do you make the shapefile a Read-only so the client can not make any edits using 10.2.2 ArcGIS. It is not within a geodatabase, just a stand alone shapefile. I am using Windows 8