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)
PLSQL ST_AsEWKT and ST_FromWKT Functions For Oracle (any version)
Previously I created the following Java stored procedures to enable the import/export of ZM aware WKT. ST_GeomFromText ST_GeomFromEWKT ST_AsText ST_AsEWKT These functions are necessary if
5 August, 2020
No Comments
New versions of LINEAR, CENTROID and GEOM etc packages
——————————————————————————————- NOTICE (2020): All packages have been moved to my new SPDBA website ——————————————————————————————- ——————————————————————————————- UPDATE (21 Mar 2018): ——————————————————————————————- I have just released a
5 August, 2020
No Comments
TESSELATE and CENTROID package updates
Today (25th February 2015) I uploaded the following changes to the following packages: 1. TESSELATE Reduce complexity of package interface. Removed all Quad_Tree Initialise procedures
5 August, 2020
No Comments
Noding and building a polygon from single, overlapping linestrings
The Spatial Companion 4 Oracle (SC4O) package (built using Java Topology Suite components) contains a method called ST_PolygonBuilder that can then form polygons from linestrings.
5 August, 2020
No Comments
Applying and Extending Oracle Spatial: Source Code Problem
Source Code The source code for the T_GEOMETRY object which was released with my book “Applying and Extending Oracle Spatial” (co-authored with Dr Siva Ravada)
5 August, 2020
No Comments
PL/SQL Objects from “Applying and Extending Oracle Spatial”
In my book (co-authored with Dr Siva Ravada) I provide those who purchase it with a number of Oracle Objects that are a re-write of
5 August, 2020
No Comments
CENTROID package use with ESRI’s sde.st_geometry
I have been emailed by someone who is using ESRI’s sde.st_geometry in preference to Oracle’s SDO_GEOMETRY or ST_GEOMETRY for their spatial data storage in Oracle,
24 July, 2020
No Comments
Changes to CENTROID and TESSELATE packages
Changes to the CENTROID and TESSELATE packages, as well as a modification of the Windows install.cmd tool (improved error handling) and the method used to
24 July, 2020
No Comments
CENTROID Package now returns centroid of multi-linestring
My original CENTROID package’s sdo_centroid() functions, when supplied with a multilinestring sdo_geometry, would “explode” the multilinestring into its component linestrings and calculate the centroid (mid-point)
24 July, 2020
No Comments
New versions of PL/SQL packages uploaded
It has been a while (GeoRaptor took all my free/spare time) but I have uploaded a new version of the existing free PL/SQL packages to
22 July, 2020
No Comments