Linked Questions

24
votes
4answers
31k views

What is the difference between Coverage, Shapefiles and Geodatabases in ArcGIS?

I was wondering about the difference in spatial data storage methodology used by Coverages, Shapefiles and Geodatabases in ArcGIS. Coverage was the initial format, followed by Shape Files and now ...
8
votes
1answer
4k views

How does Personal Geodatabase work from Microsoft Access perspective?

I am trying to get a better general understanding of how ArcGIS works with MS Access when using a personal geodatabase. If I create a new pgdb and then import a very simple shapefile and finally look ...
2
votes
3answers
3k views

How to speed up redrawing of layers (from shapefiles) in MXD? [duplicate]

How do I speed up the process of redrawing layers in a MXD? I have already tried reloading and indexing the layers. The layers were created from shapefiles.
6
votes
1answer
556 views

How to read a feature class in an Esri Personal GeoDatabase using R?

I have feature classes in a personal geodatabase on a Win 8.1 machine (r 3.4.2, rgdal 1.2-15) and, as mentioned here, there is a requirement for Access users to also interact with them. I have ...
-1
votes
1answer
2k views

Error 001156. increasing the length of text limit [duplicate]

I'm fairly new to ArcGIS for Desktop and i want to import my excel table to my personal gdb but i end up getting an error code:001156 and my import fails. I soon found out that it was the lengthy ...
1
vote
1answer
617 views

Access personal geodatabase using Java

Following example through ESRI is to access the features of file geodatabase (GDB), I would like to know that is there a similar way to do this with personal geodatabase (MDB) using Java. I am quite ...
2
votes
2answers
215 views

Requirement to use a spatial database - Why use a spatial database? [closed]

The background to this question comes from a specific requirement I have in trying manage borehole (point) data. Currently I have an MSAccess database which holds borehole information, the key data ...
2
votes
1answer
270 views

Edited metadata disappears in ArcCatalog

I'm quite new to GIS (being a student) and I have to edit the metadata for a couple of layers in my personal geodatabase. The problem I have is when I'm editing the metadata for the rasters it keeps ...
1
vote
1answer
99 views

Getting around current database field limitations?

I have a need to store over 350 fields in a table and have this information readily available to display spatially. The problem is that access only allows for 255 fields. So the feature class that I ...
2
votes
0answers
430 views

Projecting GeoJSON polygon object in python to calculate area

I have a script, written in python, that does many calculations - but one set of calculations hinges on determining the area of a polygon that I read in, in GeoJSON format. I can convert this object ...