The data-management tag has no wiki summary.
2
votes
1answer
44 views
Create a subset of a dataset with a specific grid size in ArcGIS using Data Management Tool
I am wondering how you can create a subset of a dataset that is a specific grid size (in pixels) using the Clip tool within the Data Management Tool box for raster data.
I was trying to find a hint ...
6
votes
1answer
107 views
When to use multiple geodatabases?
I'm working on a project involving one database , but the customer's needs have evolved, so he needs to manage multiple projects. I tried to work with adding an id for each project, which gave me more ...
0
votes
1answer
60 views
Data management in GRASS from command line?
I'm trying to import a large set of raster files into GRASS. The GUI import tool works fine for a handful of files, but it appears to require that I click the "Layer id" checkbox for each individual ...
7
votes
1answer
200 views
Removing rows in shapefile in R
I've imported a shapefile into R, and joined it to a table. My shapefile contains all the census ids, while my table only contains selected census ids. I'm now trying delete all the rows didn't get a ...
0
votes
1answer
74 views
Alternatives to Windows Explorer and ArcCatalog when copying a file gdb
I need to copy a file gdb from my local machine to a server using a remote desktop connection. I have been doing this using a simple copy/paste operation in Windows Explorer. I know that it is best ...
9
votes
2answers
84 views
Tools to compare unversioned copies of geospatial data
My office has about 100 GB of geospatial data of varying forms (imagery, feature classes in geodatabases, LIDAR, tables, etc) that have gone somewhat unmanaged for the decade during which they were ...
3
votes
1answer
55 views
How to recategorize features in GRASS by geometry, like the ArcGIS Sort tool?
The ArcGIS Sort tool creates a new feature class with features sorted by geometry. For example, it can number features IDs from north to south, etc. Is there a way to renumber the cat field in a GRASS ...
2
votes
0answers
56 views
How do I select all polygons in a layer that border 2+ polygons in the same layer?
My data consists of equal-sized polygons. I need to identify and select all the polygons that border two or more polygons.
10
votes
1answer
203 views
Open-source software for managing terabytes of different formats of geospatial data?
I have a problem that I am sure many GIS Teams or Departments have which is how to find, keep track of and manage multiple different datasets from multiple sources. I have read the responses from a ...
14
votes
2answers
476 views
What is the best practice for data management? [duplicate]
I have always been curious how other folks are storing their spatial data. Outside of an enterprise environment where much data is stored in enterprise geodatabases, is it better to store data per ...
1
vote
0answers
35 views
ArcSDE database management - options manage outages to make updates
I would like options to manage ArcSDE outages for making updates to schema, which I am not able to do when users are just reading the feature classes. I would like to not have to stay late to get ...
2
votes
2answers
358 views
Is there a browser/management view in QGIS?
Is there a browser/management view in QGIS 1.8 so that I can manipulate shapefiles and others (such as geo tiffs, etc.) like in ArcCatalog? Maybe a plugin? Right now I have to use my system's file ...
1
vote
0answers
65 views
How to track raw data deliveries and determine when all input data has been delivered and is ready for processing [closed]
When working with large amounts of raw input data for your analysis, how do you track data from different sources and covering different geographic extents to determine when you can proceed with the ...
2
votes
5answers
669 views
“XY to Line” not converting all 58,000 records
I have a dbf (and xls) that contains ~58,000 records of latitude and longitude for both start and end points. I would like to connect each XY coordinate pair using the XY to Line tool found inside the ...
3
votes
5answers
856 views
When a raster is clipped to a polygon with Python, why does it still take on the extent of the entire shapefile?
I am clipping a raster image to each polygon row in a shapefile in ArcMap 9.3 using the Clip tool (Data Management) in Python with Clipping Geometry set. While the clipped raster successfully depicts ...
4
votes
1answer
193 views
Sort by geometry using INHERITS?
hope everyone's doing well.
I have a statewide point data set (parent table: 600K rows, 500 columns) I need to analyze at multiple scales based on several different spatial divisions. I'll also need ...
2
votes
5answers
225 views
GIS software to manage assets
How do you manage the following projects (i.e. what GIS software / platform would you use)?
An extensive Footpath Construction & Renewal Program
Improved drainage systems at x Street, y Street, ...
8
votes
1answer
301 views
What qualifications should an auditor have if they plan on auditing a GIS?
Background summary: Various systems are being audited and GIS is the next to be audited. The initial kick-off for the audit was a meeting between me and a single auditor. Initially, I thought it was ...
9
votes
4answers
482 views
How do you manage existing GIS data and allow for integration with an Asset management system?
I am using ESRI based GIS software, Postgresql/PostGIS/ArcSDE DB and we have a Mincom Ellipse asset management system.
Currently our all our spatial information regarding asset sites have been ...
10
votes
4answers
2k views
Best practicies when employing a file geodatabase that is going to be used and edited by multiple users?
I have a file geodatabase that contains 3 feature classes in it and each feature class contains a lot of data that will be viewed and edited daily by 6 other users. I am looking for any advice from ...
3
votes
2answers
357 views
TIGER/Line processing
Does anyone know of scripts for merging TIGER/Line shp files? It is for extracting the road features only, but for the whole of USA.
They are provided as shp files for one county at a time here:
...
4
votes
1answer
210 views
How to limit the number of items to enter metadata on when importing from GeoServer into GeoNetwork
We are a library looking at using GeoServer and GeoNetwork as the basis of a GIS repository/catalog. When we enter layers in GeoServer and then harvest using GeoNetwork, we end up with a large number ...
46
votes
6answers
2k views
Best practices for managing geospatial data
How do you manage your geospatial data? I have terrabytes of data spread out over hundreds of datasets, and have an ad-hoc solution using symbolic links within projects which link back to an ...
