Skip to content

The Spatial Database Advisor

Spatial Solutions Architect and Database Expert

0 $0.00
Primary Menu
  • Home
  • Articles
    • MySQL SpatialArticles about MySQL Spatial Functions.
    • Oracle Spatial and Locator
    • PostGIS
    • SQL Server Spatial
    • Software Change LogDescribes changes to packaged software.
    • Spatial Database Functions
  • About
  • Contact
  • Shop
0 $0.00
x
  • Login/Register
Home / SQL Server Spatial / Page 4

Top 5 Recent Articles

Delaunay Triangulation Function for TSQL and SQL Server Spatial

Creating linestring geometries from a table of ordinates (SQL Server)

Partition Spatial Data using SQL Server

Removing Spikes in SQL Server Spatial Linestrings

How to calculate cumulative length of a linestring, or the truck tonnage that accumulates across a set of roads

ARTICLES CATEGORIES
  • Algorithms (19)
  • All (400)
  • Biography (1)
  • Blog (45)
  • Business Requirements (1)
  • Commentary (1)
  • 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) (4)
  • Open Source (18)
  • Oracle Spatial and Locator (193)
  • Partitioning (1)
  • PostGIS (34)
  • Published Articles (1)
  • qGIS (1)
  • Recommendations (1)
  • Services (1)
  • Software Change Log (1)
  • Source Code (35)
  • Space Curves (9)
  • Spatial Database Functions (107)
  • Spatial DB comparison (1)
  • Spatial XML Processing (11)
  • SQL Server Spatial (91)
  • Standards (3)
  • Stored Procedure (15)
  • Tessellation or Gridding (10)
  • Tools (2)
  • Topological Relationships (1)
  • Training (2)
  • Triangulation (2)

STGeometry2MBR/STGeography2MBR: Compute and return MBR ordinates

SQL Server Spatial’s STEnvelope() function returns the minimum bounding rectangle of a geometry object but as a 5 vertex polygon. To access the lower left

Read More »
31 July, 2020 No Comments

STExtractPolygon: Extract Polygons from result of STIntersection in SQL Server Spatial

Oracle customers have asked me for help in the past dealing with compound objects or collections that result from thinning or geoprocessing (intersection etc) of

Read More »
27 July, 2020 No Comments

STRound: Function to round ordinates of a SQL Server Spatial geometry object

The result of many geoprocessing operations in any spatial type can be geometries with ordinates (X, Y etc) that have far more decimal digits of

Read More »
27 July, 2020 No Comments

STExtract: Extract elements of a geometry object

Of the functions I have written for Oracle, those that allow me to extract (sub)elements of compound (objects consisting of linestrings and circular arcs) and

Read More »
27 July, 2020 No Comments

STNumRings: Counting number of polygon rings

Here is an “ease of use” function that allows you to count the number of rings of a polygon or multipolygon geometry object in SQL

Read More »
27 July, 2020 No Comments

STFilterRings: Removing rings from Polygon based on area.

A function that have found use in Oracle and PostGIS is one that allows a user to filter out the rings of a polygon or

Read More »
27 July, 2020 No Comments

STMove: Function to Move a geometry object in SQL Server Spatial

If you have need for a TSQL based function for moving geometry objects in SQL Server Spatial (Denali is required), here is a function you

Read More »
27 July, 2020 No Comments

STCentroid*: Alternate Functions for Compute a Centroid

The top download from my website is for my package of centroid algorithms for Oracle sdo_geometry. There is nothing wrong with the STCentroid function implemented

Read More »
27 July, 2020 No Comments

STRotate: Function to rotate a geometry object in SQL Server Spatial

If you have need for a TSQL based function for rotating geometry objects in SQL Server Spatial (Denali is required), here is a function you

Read More »
27 July, 2020 No Comments

STVertices: Wrapper over STDumpPoints

Oracle’s point dumping function, mdsys.sdo_util.getVertices is most useful. When swapping between platforms sometimes I look first for such a function in SQL Server Spatial forgetting

Read More »
27 July, 2020 No Comments
Page1 Page2 Page3 Page4 Page5

Documentation

  • MySQL Spatial General Function Documentation
  • Oracle LRS Object Documentation
  • Oracle Spatial Exporter Package Documentation
  • Oracle Spatial Object Function Documentation
  • Oracle Spatial Object Function Documentation (Multi Page Version)
  • PostGIS pl/pgSQL Function Documentation
  • SC4O Oracle Java Topology Suite (Stored Procedures) Package Documentation
  • SQL Server Spatial General TSQL Function Documentation
  • SQL Server Spatial LRS TSQL Function Documentation
© The Spatial Database Advisor 2019