Tagged Questions

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

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13
votes
7answers
2k 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? ...
13
votes
2answers
389 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 ...
11
votes
2answers
749 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
1answer
842 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
5answers
1k views

Recalculate full extent of FGDB 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 ...
10
votes
3answers
714 views

Polygons from Polylines in either ArcView or FOSS

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
3answers
209 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 ...
9
votes
3answers
4k 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 ...
8
votes
4answers
2k 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
336 views

What is the best web editor and server for postgis?

I'm looking for a web editor (similar to openstreetmap) that works with an map Server (postGIS). This should permit edit and create new structures on map. What is the best option? Can you help me? ...
8
votes
2answers
286 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, ...
7
votes
4answers
3k views

How to join lines 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 ...
7
votes
3answers
882 views

How to identify and eliminate overlaying polygons in Quantum GIS?

I have a shapefile with polygons and now, not sure why, most of the polygons became duplicated and overlaid, i.e. when i click to selected one, i get two selected... How do i identify those polygons ...
7
votes
2answers
164 views

ArcGIS 10.1 edit PostgreSQL layer

I've been working with QuantumGIS/PostgreSQL/postGIS for a while now, without problems. But now I have to change QuantumGIS for ArcGIS 10.1. I'm having trouble adding a layer from PostgreSQL and ...
7
votes
1answer
384 views

Advanced Polygon and Parcel Splitting

While I am still struggling to divide polygons into same sizes in ArcGIS (we are using ArcView 3.0 scripts now which work fine), I now have an even much more complicated problem: I would like to ...
7
votes
1answer
208 views

How to rectify polygon-shapes in Quantum-GIS? [duplicate]

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 quantum-gis (or any other f/oss)? Or how can I ...
6
votes
5answers
2k views

Why won't ArcMap 10 snap?

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 ...
6
votes
8answers
4k views

Corrupt shapefile. How to fix

I have a shapefile I was working on (ArcGIS 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 recover this ...
6
votes
1answer
612 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
1answer
1k views

Is it possible to use esri.dijit.Popup for editing

In the new arcgis js api ESRI added new nice infowindow - esri.dijit.Popup. We can use it this way: //create a popup to replace the map's info window var popup = new ...
6
votes
1answer
46 views

Is there a way to select only a certain polygon for editing?

I have a spatialite data base with 4300 polygons contained within. I wish to be able to edit the polygons but once i have highlighted the Polygon from the attributes table i find it hard to edit the ...
5
votes
4answers
384 views

How to use OpenLayers for CrowdSourcing/ collect data?

I'm currently making my first steps in OpenLayers, trying to build a page showing a map where people can add data, which is then saved back in our database. (Background: Mapping of the distribution ...
5
votes
1answer
62 views

Editing without clicking on a map - ESRI JS API

I'm looking to build a new application that allows staff to edit a service/layer. They will be inputting new survey benchmark data based on lat/long. All of the current samples I have seen on the ...
5
votes
1answer
283 views

Polar grids in ArcGIS

I am looking automate the creation of a polar grid shapefile (polygon). I am currently creating this in a many-step editing process, starting from a concentric buffer. Here is how I think I should be ...
5
votes
2answers
1k 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 ...
5
votes
2answers
75 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 ...
5
votes
1answer
70 views

How do you edit a stack of polygons simultaneously?

Using ArcMap 10.1. Lets say you have 100 polygons that all are in the exact same shape and in the exact same place. They appear to be one polygon. How would you edit the shape of all 100 at the same ...
5
votes
1answer
329 views

New Snapping while editing vertex's in ArcEngine 10

Is it possible to use the new (not classic) snapping functionality when editing the vertices of a polygon feature in ArcEngine 10. I would like editing vertices to behave exactly the same as editing ...
5
votes
3answers
131 views

How can I determine the layer name in an edit session?

I have a problem with an editor extension in an Add-In for ArcGIS 10. The editor extension listens on different events occuring on shapefile layers via registering listeners: ...
5
votes
1answer
204 views

Why is the Edit Vertices button (Draw Toolbar) enabled for some annotations but disabled for others?

I keep running into this: Export Labels in Layer A & B to annotations (In Map, In current extent only) Enable Focus Data frame Click on annotation exported from Layer A Click the Edit Vertices ...
4
votes
4answers
1k views

How to split a vector in 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?
4
votes
2answers
872 views

Is there an easier way to edit polygons in ArcMap?

I am updating woodlot polygons in ArcMap 10. Instead of editing individual verticies, is there a way to edit that is more like drawing part of a new shape (say if the woodlot has expanded only on one ...
4
votes
1answer
250 views

How to add attribute data up?

Sorry if this question is too simple/easy for you guys, but I'm still learning QGIS and pretty much teaching myself where I can. Is there a way to add data from 2 columns into one new column inside ...
4
votes
2answers
1k views

How to add automate values to attribute field?

I have parcel, Buildings layers, without any information attribute table, and i want to replace "NULL" values with numbers form 1 to 2000, in "Parcel ID", or "Building ID" field thank you.
4
votes
1answer
419 views

Edit SDE table with ArcObjects

The link below provides a code snippet for editing an SDE table with ArcObjects. Are there any other or newer code examples out there of how to edit a SDE table by using ArcObjects? Edit SDE ...
4
votes
2answers
322 views

ArcGIS JS API Edit Toolbar permits MOVE but not EDIT_VERTICES or ROTATE - JavaScript error thrown

I'm putting together an ArcGIS (v10.1) JS API (v3.2) application and I've hit a snag in drawing / editing functionality. Users can draw a new geometry or edit an existing one. I'm using the draw and ...
4
votes
1answer
155 views

How to clean gap between two polygon?

I have a problem two layers, parcel and polygon, when I do create new building along side parcel it produces a gaps between parcel and building along the side, how can I clean this gab or how to avoid ...
4
votes
6answers
3k views

Troubleshoot editing features in feature dataset with ArcMap / ArcSDE Oracle

I am having trouble editing a feature class that is in a feature dataset. We have added just the single feature class as a layer in ArcMap and are using the "Start Editing" function on the Editing ...
4
votes
1answer
338 views

Can you edit an SDE table via ArcObjects when not added to ArcMap

I have a table that is in SDE, what I want to do is in my userform click on the "Save" button, and the table will be edited even though it is not within the map document. Is this possible? I have ...
4
votes
1answer
554 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 ...
4
votes
2answers
250 views

How to invert a Buffer(get the inside of a ring buffer)?

I have a line layer of a road network around which I create a buffer zone of 1000 m with Analysis Tools>Proximity>Buffer. But I am interested in the areas outside the buffer zone, and not the buffer ...
4
votes
2answers
705 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 ...
4
votes
1answer
395 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!
4
votes
2answers
204 views

How to manually edit 16 bit GDEM elevation data on a Geotiff file

I'm building a virtual 3D terrain scenery using both satellite imagery (google maps satellite) and elevation data from GDEM Aster elevation data (geoTIFF format files). My problem is that the ...
4
votes
1answer
271 views

ArcGIS Editor Toolbar

Does anyone know how to change the properties of a vertex to keep 3 places after the decimal place? My problem is when I go to draw a line and snap to a point, the properties of the line I am drawing ...
4
votes
0answers
47 views

Can I edit shapefile while using a definition query in QGIS?

Is it possible to edit shapes while using a "definition query" or "query builder" in QGIS? I'm trying to do this in the same way I used to in ArcGIS. Thanks!
4
votes
0answers
118 views

ArcObjects edit/update ODBC Oracle table

Can an ODBC Oracle table attached by OLE within ArcMap be edited/updated by using ArcObjects? If so, what are the procedural steps for doing this? Are there code examples out there showing how to do ...
3
votes
4answers
1k 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 ...
3
votes
2answers
516 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"
3
votes
1answer
491 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. ...

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