0
votes
2answers
54 views

Editing blank feature class in ArcMap

I'll try to describe my problem the best I can. I'm very new to ArcGIS. I have a jpeg showing an old map of NYC zones. I was able to georeference this image with a shapefile of NYC blocks. I wish to ...
2
votes
1answer
662 views

Error: cannot acquire a lock when editing in ArcMap 10.1

We have a problem with a shapefile feature class. Periodically it will not save edits with an error message as the following: Cannot save edits; cannot acquire a lock Working in 10.1 with a ...
1
vote
2answers
425 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 ...
0
votes
1answer
177 views

How to remove shapefile polygon vertex marker points in QGIS 1.8.0

I have created a shapefile layer and drawn a polygon to show the boundary of a woodland. How can I edit the polygon to remove the crosses that denote the intersection of two points on the boundary?
1
vote
1answer
50 views

How to work around “OGR-failure while deleting field 13. Invalid field index”?

this post might be related to this one: QGIS Field Calculator Results Removed When Saving Edits But there is no suitable answer for me It is not allowed to ask another time in the other post I ...
5
votes
1answer
180 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!
2
votes
2answers
628 views

Why are edits in shapefile table not saved?

I have created a shapefile (point data) and wish to change some parameters in the files table data. I can edit the data and see the coresponding change in my my symbology. However, when I save the ...
3
votes
1answer
554 views

Automate removal of duplicate polygon nodes from shape file in Arcmap

I have a whole lot of polygon shape files, many of which have got duplicate nodes. This makes processing difficult as almost all tools (erase, union, calculate area) do not work. I found that by ...
4
votes
2answers
830 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"
8
votes
7answers
8k 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 ...