One or more structured sets of persistent data, managed and stored as a unit and generally associated with software to update and query the data.
2
votes
1answer
178 views
Are there any efficient methods for processing ArcGIS-based database tables outside of the ArcEtc program library?
Let us say, for the sake of argument, that you are working with a table that is over 2 GB in size (so .dbf is automatically ruled out... right?). To even create such a document, ArcGIS requires that ...
2
votes
1answer
283 views
stratigraphic ranking with field calculator?
I would like to populate a feature class float attribute with a numerical ranking of a text attribute of a geologic map. I have a field named [sheet_unit] with strings such as "H10, Q" and "J10, Pl" ...
8
votes
2answers
667 views
How to design a Spatial Database for temporal Data?
I am working on a Weather based GIS App.
I have the data from several weather stations, and this data will updated daily (by a web service).
The obstacles I am facing are:
There are currently 40 ...
1
vote
2answers
611 views
Apply Database based Rules to Openlayers
im trying to apply rules, where the data is fetched from an external database.
This is my code:
// create a new style and add rules
var defStyle = new OpenLayers.Style({
...
10
votes
3answers
4k views
What is the difference between FID and OID
What is the main difference between OID and FID in ESRI software?
6
votes
2answers
413 views
Imagery Database/Metadata Store
I'm a Remote Sensing PhD student, and as such I have a large number of satellite images that I'm working with. I'm starting to fail to keep track of them all and I have a lot of metadata that I want ...
5
votes
2answers
2k views
Data organization strategies for .csv and .shp
I'm organizing a large amount of data for a project and the data is stored in .csv format, with a code to relate each row to a polygon in a .shp. I was planning on converting the .csv data into .dbf ...
4
votes
2answers
191 views
Using a web map to identify and access data
I am trying to making a webpage where the user pans and zooms on a map, and based on the location and zoom level, some data is displayed on the webpage (drawn from another source). The data that will ...
7
votes
1answer
928 views
Why is my XY Event Source layer only displaying at full extent?
My XY Event Source layer is only displaying at full extent and when I zoom in, the features disappear. If I select a feature in the attribute table, the feature is highlighted.
When I see this for a ...
10
votes
3answers
847 views
What is a good taxonomy or naming convention for files and folders containing GIS data?
My company has collected about 30 TBs of GIS data over the past 8 years, and I always find myself asking the following questions:
What type of data do we have for a given geographic area?
What are ...
23
votes
9answers
3k views
Is there any way I can use a Key-Value store for geospatial data?
I have used many relational databases in the past, but I have also read about all NoSQL databases, and the Key-Value stores looks interresting.
When I store geometric object I mostly use five indexed ...
1
vote
5answers
875 views
Store Geometry in a database with the ESRI Silverlight API
Is it possible to store geometry objects in a database using the ESRI Silverlight API? For this particular case, the client may have SQL Server 2005 installed instead of 2008 and therefore I can not ...
