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GeoRaptor
GeoRaptor: Layer Properties
This page describes all the elements of the layer properties dialog used to style spatial data in a GeoRaptor map view.
31 May, 2021
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GeoRaptor: Working with xxx_SDO_GEOM_METADATA records.
The following video shows the functionality GeoRaptor offers for selections made against the XXX_SDO_GEOM_METADATA system views.
22 April, 2021
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Space Filling Curve Functions For TSQL
Introduction Warning: This article is long mainly because it includes the source code of the Hilbert, Morton and Peano key/curves. I would assert that space
22 November, 2020
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The Frontage Problem: Creating references from land parcel street frontage boundary to point in street
This article demonstrates the power of database-based spatial processing. The business requirement is to determine, dynamically, the side of a land parcel that faces the street (could be single 2 point straight line to something more complex), and then determine the clockface direction from either ends of the frontage or the middle, to a object in the roads reserve (eg telecommunications pit).
3 November, 2020
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Create GeoJSON Document from Selection of SDO_Geometry objects.
This article shows how to create a GeoJSON Document from Selection of SDO_Geometry objects.
30 October, 2020
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STUpdateN: Update (replace) a single vertex within a geometry object.
SQL Server Spatial, unlike spatial database type systems such as PostGIS, does not provide coordinate editing functions: STAddPoint STUpdatePoint STDeletePoint These functions are not a
7 August, 2020
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STUpdate: Replace all points equal to the supplied point with replacement point.
SQL Server Spatial, unlike spatial database type systems such as PostGIS, does not provide coordinate editing functions: STAddPoint STUpdatePoint STDeletePoint These functions are not a
7 August, 2020
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STDeleteN: Delete single vertex from geometry
SQL Server Spatial, unlike spatial database type systems such as PostGIS, does not provide coordinate editing functions: STAddPoint STUpdatePoint STDeletePoint These functions are not a
7 August, 2020
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STDelete: Deleting vertices in geometry objects
SQL Server Spatial, unlike spatial database type systems such as PostGIS, does not provide coordinate editing functions: STAddPoint STUpdatePoint STDeletePoint These functions are not a
7 August, 2020
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Using Oracle’s ST_GEOMETRY type hierarchy with SDO_GEOMETRY: ST_PointN and ST_NumPoints
Oracle Spatial has, for many versions, made available an implementation of the OpenGIS SFS type hierarchy. Today I will show how to use this type
7 August, 2020
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