IXTgeometry - Revision history

Toby Perring at 09:08, 5 February 2010

2010-02-05T09:08:05Z

Dean Whittaker at 09:39, 5 August 2008

2008-08-05T09:39:24Z

Dean Whittaker at 09:39, 5 August 2008

2008-08-05T09:39:11Z

Dean Whittaker at 09:19, 5 August 2008

2008-08-05T09:19:56Z

New page

Describes the geometry of the detectors

==Structure==

{| {{Tablestyle}}
|-
! {{Headcellstyle}} | Field
!{{Headcellstyle}} | Type
! {{Headcellstyle}} | Description
|-
| '''base'''
| [[IXTbase]]
| Used internally
|-
| '''facility_name ''' || char || Source name eg. ISIS
|-
|'''translation'''
| [[IXTtranslation]]
| positions of the geometrical items
|}
|-
|'''orientation'''
| [[IXTorientation]]
| orientations of each of the geometrical items
|-
| '''elmt_to_shape'''
| int
| element of shape for a given geometrical item
|-
| '''elmt_to_index'''
| int
| index within that element of shape for a given geometrical item
|}

@@ Line 13: / Line 13: @@
 | [[IXTbase]]
 | Used internally
 |-
 |'''translation'''

@@ Line 19: / Line 19: @@
 | [[IXTtranslation]]
 | positions of the geometrical items
 |-
 |'''orientation'''

@@ Line 1: / Line 1: @@
-Describes the geometry of the detectors
+Describes geometrical items. The geometry object is built up of segments of shapes. Each segment has a position and orientation. The shape field may contain many different shapes in an array. Indexes  describe which shape in the shape field the segment is.
 ==Structure==
@@ Line 9: / Line 10: @@
 ! {{Headcellstyle}} | Description
 |-
-| '''base'''
+|'''base'''
 | [[IXTbase]]
 | Used internally
 |-
-| '''facility_name '''	|| char ||	 Source name eg. ISIS
+|'''facility_name '''	|| char ||	 Source name eg. ISIS
 |-
 |'''translation'''
@@ Line 24: / Line 25: @@
 | orientations of each of the geometrical items
 |-
-| '''elmt_to_shape'''
+|'''elmt_to_shape'''
 | int
 | element of shape for a given geometrical item
 |-
-| '''elmt_to_index'''
+|'''elmt_to_index'''
 | int
 | index within that element of shape for a given geometrical item
 |}