Questions tagged [editing]

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

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votes
5answers
6k views

Adding point to existing attribute record, rather than editing attributes of existing point?

I'm using ArcGIS 10 to create point data. Normally I would start an edit session, select point as a construction tool, click where I want a point to be, and then go in and edit the attributes. Say I ...
4
votes
1answer
143 views

How to create a printable data sheet when using edit widget “value realtion” in QGIS 2.0?

I created a spatiaLite Database with a point layer (every point is a tree). Additional I created several tables to fill the columns of the spatial layer with attributes using the editing widget “value ...
3
votes
2answers
3k views

Creating series of points along multiple polylines at once in ArcMap?

I have a series of polylines that represent linear vegetation (shelterbelts, etc). I need to convert these to a series of points equally spaced in order to add them to a different shapefile that ...
3
votes
2answers
425 views

QGIS Editing: move - both - nodes after Cut has been performed

I just ran into unexpected behavior while editing a polygon shapefile in QGIS 2.8.2. Scenario: A polygon: Then I cut that polygon into two seperate poygons: Then I use the Node Tool to move a ...
3
votes
1answer
205 views

Can I set a geometry using QGIS editing tools for a feature without geometry?

I have a PostGIS point layer with mixed features (with and without geometry). When a non geometry feature is selected from attribute table I don´t know how to set its geometry with QGIS editing tools. ...
3
votes
3answers
5k views

Editing X,Y of point in shapefile using ArcGIS for Desktop?

Using ArcMap 10.1, I edited the coordinates within a shapefile. They are long/lat but the point will not move to that new coordinate on the map. I've tried clicking on the Longitude column in the ...
3
votes
2answers
287 views

QGIS split rectangular polygon in grid

I have this selected rectangular polygon in yellow on a layer with hundreds of polygons: I need to split the selected polygon in 4 vertical columns (Y axis) and 8 horizontal rows (X axis), so that I ...
3
votes
0answers
221 views

Changing central meridian in QGIS causes problems? [duplicate]

I want to change the central meridian of my world map (WGS84) in QGIS from 0 to -80. The problem is that this distorts the map every time I try it. This is what I do: go to Settings/Custom CRS and ...
2
votes
1answer
714 views

How to cast SDE table to IFeatureClassLoad

How do you cast an SDE table to IFeatureClassLoad using ArcObjects? I'm getting an error with this attempt below which is not the correct method: Dim pSDEFeatWksp As IFeatureWorkspace = ...
1
vote
1answer
1k views

How can I change an attribute table field type from string to double in QGIS? [duplicate]

I work on QGIS 2.2, and I am unable to edit my attribute table to change the field type from string to double. I have gone through several tutorials. - I can not run the table manager plugin, ...
1
vote
1answer
534 views

Snapping one vector layer to another

Is there anyway to snap one set of vectors to its nearest neighbor vector in another feature class? For example, I have a road feature class and a feature class of bridges and I want to snap the ...
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,...
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
3answers
2k views

Version editing for Postgresql 9.2.4 / postGIS 2

Background: I am "building" a GIS with PostgreSQL 9.2.4 / PostGIS 2 as the database and QGIS 1.8.0 as the geographic application. There will be multiple users accessing, editing and viewing the data ...
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, ...
5
votes
2answers
1k views

What's role of WFS-T in webapp?

I have more experience in "traditional" (Java EE) webapp development, and I am trying to figure out a decent design for a mapping web application. My application has a map, and users can see and edit ...
4
votes
3answers
7k views

Using arcpy.da.Editor correctly?

I am attempting to remove duplicates in a feature class that are generated by a Python script. At the end of my script I have the code block below; I haven't implemented it yet, but would like to see ...
4
votes
2answers
2k views

Using Construct Points on all lines in shapefile using ArcPy?

I need to use the editing tool 'Construct Points' on several shapefiles that each have ~1300 polylines. I need to do this to create points every 1km along each of the polylines, which represent the ...
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 ...
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/...
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 ...
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 ...
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 ...
4
votes
1answer
645 views

How to determine why feature is invalid according to Validate features?

I have a feature class with a lot of domains and a lot of different properties e.g. null values, subtypes, and so on. I am using Validate features (Editor tool) and get the selection of the invalid ...
2
votes
2answers
2k views

Does QGIS attribute edit form support “relationship” data?

Consider I have a geometry table having one-to-many relationship with a no-geometry table. When I create a feature (geometry), I would like to be able to add the relative no-geometry table data in the ...
6
votes
3answers
5k views

Turn Popups On/Off in ArcGIS Online Webmap via Javascript API Web Application

I am writing my first ArcGIS Javascript API web map application and consuming a web map authored in ArcGIS Online. The ArcGIS Online web map apparently does most of the work for me in terms of ...
6
votes
2answers
2k views

QGIS freezes after making and saving many edits to a layer

I work with QGIS 2.4 on windows 7. The problem occurs when I work on a layer and save it many times. After a random number of saves, pressing the save button once more causes QGIS to freeze, all ...
6
votes
3answers
13k views

Adding new record with specific coordinates into shapefile using ArcGIS for Desktop?

I need to create a new point record in my shapefile. When I use the Create Features tool in the Editor tool, I can click anywhere on my map to create a point, but when I go into the attribute table to ...
5
votes
2answers
636 views

Rotating geometry to specific angle using pyqgis?

I do not know how to rotate a geometry using pyqgis. Is there any sample/example code available to show me how?
5
votes
2answers
588 views

Cleaning LiDAR points that classification algorithm misses?

There are numerous methods for classifying ground and not-ground points from raw LAS point clouds. They all do a great job, depending on local circumstances, but inevitably even when algorithm and ...
4
votes
1answer
2k views

Exporting and editing annotation feature class using ArcPy?

I would like to convert labels to annotations and make some advanced editing for these labels using ArcPy. How would I do this? I'm using a file geodatabase and ArcMap 10.
4
votes
2answers
4k views

Kicking someone off a shapefile in ArcMap

I have ArcMap open, and someone else has the same shapefile open as me. How can I kick them off so that I can edit? I get the following error message: "Unable to save edits, cannot acquire a lock"
4
votes
1answer
131 views

Getting number of new features to be stored in layers using PyQGIS?

In PyQGIS, how can I get the number of features that have been created in a given layer and that are pending to be saved in the layer when "Toggle editing" or "Saving layer edits"?
4
votes
2answers
2k views

Replicating ArcMap's Point Sketch Geometry Editing (Feature Templates) in ArcObjects

I'm looking for a way to place, select, move, delete features inside a custom C# ArcObjects application (using AxMapControl). I found the exact behavior in ArcMap, but I want to save the user some ...
3
votes
0answers
122 views

Closing windows by code QGIS 2.18

Im trying to close the window (by code) that appears right after the "add feature" tool is called. This is the window im talking: This is my plugin code: def run(self): """Run method that ...
2
votes
2answers
3k views

How many interior and exterior rings can a polygon have in a standard ArcGIS shapefile?

working with GDAL/OGR library and studying these two slides about geometries and vector data in the OGR library: slide 1 slide 2 I found that a polygon can have an exterior ring and lots of ...
2
votes
0answers
464 views

Alternatives to Offline Editing Plugin of QGIS? [closed]

I am looking for a way to edit my postgis layers offline (in field) using a Microsft Surface Tablet. I have been testing the "Offline Editing Plugin" unsuccessfully. These are the issues I have ...
8
votes
1answer
2k views

Is there a way to automatically snap loose points of lines to close by vertices with Quantum GIS?

I have a vector layer of lines that were drawn with the snapping option off. I need to have them snapped but, there are hundreds of lines. Is there any solution to do this automatically or semi-...
7
votes
2answers
1k views

Allow multiple users to share personal geodatabases safely?

We're using ArcGIS 9.3 but for reasons beyond the scope of this question we have to stick with personal geodatabases (MS Access .mdb's) and multiple users. How can we set this up so only a limited few ...
7
votes
2answers
5k views

Incremental “auto save” in ArcMap edit session

Is there any way to add automatic incremental saving to ArcMap 10.1 editing sessions? I found this script for 9.x but it doesn't seem to work with the newer versions. I'm looking for a script or add ...
6
votes
1answer
473 views

Shape layer turns non-editable if saved filtered

I am working in QGIS 2.18.3. I have a shape layer with point geometry, which I filter by some field, and then I work on its attribute table. Once I am done for the day, I save the project so I can ...
6
votes
2answers
2k views

Alternative to 'Editors Merge' feature using ArcPy

I'm looking for a work around that has had me in a pickle for sometime. It involves combining a multi-part feature polygon into a single feature. Obviously if you were editing a shape you would select ...
6
votes
2answers
11k views

how to fix greyed out edit button

I created a QGIS map, which I was able to edit (right click on layer and select toggle edit, or use button in tool bar). Having returned to work on the plan, most layers now have this button greyed ...
5
votes
2answers
576 views

Saving edits slowing down (QGIS 2.01)

QGIS 2.01 on Windows 8 I have a polygon layer which I edit in QGIS 2.01. Editing (cutting, deleting, editing new polygons with attributes) works fine. I am saving the changes after every edit or so ...
5
votes
3answers
12k views

Editing polylines in QGIS (extend, trim, fillet etc)

I was wondering, if its possible to edit lines and polylines in qgis, in similiar way as autocad commands "extend", "trim" and "fillet"? About how the commands for in Autocad, very shortly: The ...
4
votes
1answer
388 views

Listening for edit events through dockable window using ArcObjects?

I am creating a dockable window that allows users to select features of a particular featureclass, iterate through records in the featureclass, populate textboxes with certain attributes, and edit ...
4
votes
1answer
9k views

How to edit attribute tables using Python/ArcPy?

I am new to Python, so sorry for such a trivial question. There is a shapefile (let's call it Structures.shp) and the script I'm writing needs to update the value of only one record in only one field (...
3
votes
0answers
529 views

Using arcpy.da.editor on a transactional version raising errors [duplicate]

I've run up against a wall trying to get an edit session to work on a version. These are the scenarios Ive gone through in the code and their error mesages: Setting up an edit session not as a ...
3
votes
1answer
3k views

Remove a node in QGIS

I want to remove some nodes from a shapefile using QGIS 2.10.1 I enable editing I click on the Node Tool I click on a node I want to select (it turns blue) However, once I select this node I am ...
3
votes
1answer
789 views

Editing polygons simultaneously in ArcMap?

I have two polygons: How can I reshape both Polygon 1 and Polygon 2 at the same time? Will the area of each polygon change automatically in the table after reshaping? I'm using ArcMap 10.1.