gis

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Storing and Processing Large Amounts of Temporal-Spatial Data

As part of our research group, we\'re collecting large amounts of location data. Our data essentially looks like (user id, lat/long co-ordinates, timestamp). There\'s other metadata involved too, but[详细]

2023-02-18 04:34 分类：问答
Interpolation Contours with Spline in ArcGIS 10

I have contours (about 5000 polylines) in shapefile and I need to interpolate those with Spline. But Spline function in ArcGIS 10 can only interpolate points, and my contours are polylines. I hope开发[详细]

2023-02-16 19:02 分类：问答
WFS (Web Feature Service) for ASP.NET MVC/C#

Basic version: Is there a lightweight C#/.NET library that can be used in an ASP.NET MVC app to service WFS requests?[详细]

2023-02-15 15:13 分类：问答
WMS layer is empty although mxd shows data

I use ArcGIS Server to serve a map of points from a database. When I create and publish the mxd as a WMS service in AGS everything looks fine. But after a while, the day after or something - the map s[详细]

2023-02-15 13:50 分类：问答
How do I convert kilometres to degrees in Geodjango/GEOS?

I\'m using the \"buffer\" method from the GEOS API to create a circle based on a point and a radius in GeoDjango, according to this answer: GeoDjango: How to create a circle based on point and radius[详细]

2023-02-15 09:59 分类：问答
What's an easy to use API for plotting latitude/longitude pairs on a world map?

I have a list of 50000 latitude/longitude pairs and want to plot them on a map. I tried http://gsl开发者_开发百科-nagoya-u.net/appendix/software/worldmap/. It works but it seems to ignore the data aft[详细]

2023-02-15 02:06 分类：问答
GIS systems, Rundown of advantages

First word of warning, I believe this is a stackoverflow rather than programmers question, Mods feel free to move it if i\'m wrong.[详细]

2023-02-13 23:05 分类：问答
django - add a POINT in a PostgreSQL database using GeoDjango from decimal coordinates

I\'m using PostGIS with django. I know how to开发者_高级运维 add a \"POINT\" on PostgreSQL from decimal coordinates but how do I add it using GeoDjango?[详细]

2023-02-13 17:07 分类：问答
How to use python to turn a .dbf into a shapefile

I have been scouring the internet trying to find a pythonic (sp?!) way to process this data.. Everyday we will recieve a load of data in .dbf format (hopefully) - we then need to save this data as a[详细]

2023-02-12 02:23 分类：问答
How can I embed Google maps into a wxPython program?

I would like to create a program using wxPython that uses Google maps to display开发者_高级运维 and select geographic data.[详细]

2023-02-11 18:13 分类：问答