Category Archives: Oracle Spatial

Sorting and merging geometries in Oracle Spatial

Posted on November 9, 2017 by Stephan Deckers

Consider a requirement where an unsorted set of geometries needs to be merged into a single geometry. Take for instance the following set of geometries where: a Red dot indicates the startpoint The arrow indicates the drawing direction The label … Continue reading →

Posted in G/Technology, Oracle, Oracle Spatial, PL/SQL | Tagged , , , , , | 5 Comments

SDO_GEOM.VALIDATE_GEOMETRY_WITH_CONTEXT 3D bug workaround

Posted on July 24, 2017 by Stephan Deckers

The SDO_GEOM.VALIDATE_GEOMETRY_WITH_CONTEXT function fails for 3D Compound line strings geometries as discussed over here. This is illustrated by the following sample: 2d: produces: While the same geometry in 3d is considered invalid: A Quick workaround for this is to convert … Continue reading →

Posted in Oracle, Oracle Spatial | 1 Comment