hole-collars
schema/components/hole-collars/1.0.0/hole-collars.schema.json
The hole-collars component represents the surface locations where drillholes begin. It contains:
- 3D coordinates (x, y, z) of collar locations.
- Depth information for each hole.
- Hole indices and associated attributes.
The x, y, z columns denote the first, second, and third axes of the object's
coordinate_reference_system and follow that CRS's declared axis order, not necessarily
easting/northing/elevation. See
Coordinate reference systems and axis order.
This component is used by the drilling-campaign schema.
Used by: drilling-campaign, downhole-collection.
See also: hole-chunks, desurvey-method.
Properties
hole-collars (v1.0.0)
Hole collars represent the surface locations where drillholes begin. Contains the 3D coordinates (x, y, z), depth information, hole indices, and attributes for the collars of drillholes.
| Property | Type | Description | Flags |
|---|---|---|---|
| coordinates | float-array-3 | Coordinates. Columns: x, y, z. | ⬆️ ✅ |
| attributes | one-of-attribute | Attribute data. | ⬆️ |
| distances | float-array-3 | The depth values for each drillhole. Columns: final, target, current. | ✅ |
| holes | hole-chunks | The data describing the hole paths. | ✅ |
Legend
| Flag | Description |
|---|---|
| ⬆️ | Inherited property |
| ✅ | Required property |
