Top 5 Recent Articles
ARTICLES CATEGORIES
- Algorithms (22)
- All (399)
- Biography (1)
- Blog (44)
- Business Requirements (1)
- Commentary (1)
- Conversion (2)
- Customers (2)
- Data Models (1)
- Education (2)
- GeoRaptor (13)
- GPS (1)
- Image Processing (2)
- Import Export (8)
- Licensing (2)
- LiDAR (1)
- Linear Referencing (4)
- Manifold GIS (3)
- Mapping (1)
- MySQL Spatial (7)
- Networking and Routing (including Optimization) (5)
- Open Source (18)
- Oracle Spatial and Locator (194)
- Partitioning (1)
- PostGIS (36)
- Projections (1)
- Published Articles (1)
- qGIS (1)
- Recommendations (1)
- Services (1)
- Software Change Log (1)
- Source Code (37)
- Space Curves (9)
- Spatial Database Functions (109)
- Spatial DB comparison (1)
- Spatial XML Processing (11)
- SQL Server Spatial (92)
- Standards (3)
- Stored Procedure (17)
- Tessellation or Gridding (10)
- Tools (2)
- Topological Relationships (1)
- Training (2)
- Triangulation (2)
Geometry Storage Format
This article outlines why the storage formats used for geometry data by database spatial APIs are irrelevant: what is important is logical access.
7 April, 2022
No Comments
PostGIS: Creating a line inside a polygon
I love working with the PostGIS API. It is a deep and wide river to swim in. But sometime having read, researched, experimented, and not
7 August, 2020
No Comments
Spatial Representation of a Communications Pit
This article describes the elements of a telecommunications pit and shows how they can be spatially represented. In particular the concept of a butterfly as a method for displaying the walls of a pit is introduced.
7 August, 2020
No Comments
Urban Trees Data Model
Data model for the recording of urban trees in a city, town or council
7 August, 2020
No Comments
Support for ESRI’s ST_GEOMETRY
The following article results from customers downloading the free source code (eg for Oracle SDO_GEOMETRY) on this site without fully understanding that the code is
5 August, 2020
No Comments
Using Range Querying to Filter LineString Segments
This article shows how to use range querying against cumulative length to filter/select LineString segments
5 August, 2020
No Comments
Google Maps / Bing Maps Spherical Mercator Projection Information
I found this article very useful, I hope you do too. The Google Maps / Bing Maps Spherical Mercator Projection
5 August, 2020
No Comments
Silence is Golden?
UPDATE The book has been published If any of my readers are wondering why I have been so quiet of late, here are the reasons.
5 August, 2020
No Comments
National Broadband Network, Spatial Data & Processing
As a spatial practitioner familiar with many aspects of spatial data capture and processing, I have been watching the responses to the opportunity that the
31 July, 2020
No Comments
Industry Best Practice?
Recently I was asked to review a database migration from one vendor’s database to another’s. The conversion involved geospatial data and database internal representations. I
24 July, 2020
No Comments