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Functions to Convert Native PostgreSQL geometric types to PostGIS
A set of functions that enable the conversion of the native PostgreSQL geometric types to PostGIS geometry objects.
18 May, 2024
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Converting PostgreSQL Native Geometric Types to PostGIS
Introduction I comes as a surprise to some that PostgreSQL has it own native geometric type system. The geometric types are documented here but the
17 May, 2024
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GeoRaptor: Direct Display of SDO_GEOMETRY / WKT text objects
This article shows how to use GeoRaptor’s Jump to Geometry functionality to conduct “one off” mapping of SDO_GEOMETRY and EWKT/WKT text objects. PostGIS is shown as a source for EWKT showing how to integrate development across multiple databases.
28 June, 2021
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Geometry object size when exchanging of WKT/WKB encoded geometries.
Introduction The ordinates stored in an geometry objects, across all spatial data types do not have any rounding applied to their values. This is one
12 December, 2020
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Geometry Validity and Method Access
This article demonstrates how an invalid polygon (and linestring) are handled by the different database spatial APIs with correction in TSQL.
6 December, 2020
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Processing GML data using PostgreSQL’s XMLTABLE
This article shows how to use PostgreSQL’s XMLTABLE XML operator to process GML data and create PostGIS geometries.
1 October, 2020
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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
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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
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PGAdmin Finally Has A Spatial Viewer
A great day has arrived for PostgreSQL developers (not just Spatial geeks) in that finally an integrated spatial viewer has been added to PgAdmin 4.3
7 August, 2020
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Generating a Grid (fishnet) of points or polygons for PostGIS
I wrote an article on Gridding a PostGIS Geometry object a while back. I had cause, recently, to use a variation on this for the
5 August, 2020
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