[postgis-tickets] [PostGIS] #4396: ST_3DSlope function

[PostGIS]

#4396: ST_3DSlope function
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 Reporter:  komzpa       |      Owner:  komzpa
     Type:  enhancement  |     Status:  assigned
 Priority:  medium       |  Milestone:  PostGIS 3.0.0
Component:  postgis      |    Version:  trunk
 Keywords:               |
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 A function that takes a triangle and returns its slope. To be used on
 TINs.

 per pramsey, should give the angle between 0=horizontal and pi/2 vertical,
 in radians to match ST_Azimuth.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4396>
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