Derived type: irr_trace_geom_type

  Data structure that contains the geometry information for a irregularly sampled data space.

type irr_trace_geom_type 
  character(len=128)  :: t_unit,geom_unit
  integer :: n_dim,n_tr_max,n_tr,n_t,tot_n_coord
  real :: t_0,d_t
  real, pointer, dimension (:,:) :: sou
  real, pointer, dimension (:,:) :: rec
  real, pointer, dimension (:,:) :: cmp
  real, pointer, dimension (:,:) :: off
  real, pointer, dimension (:) :: azim
  real, pointer, dimension (:) :: aoff
end type irr_trace_geom_type 

Name Description Remarks

t_unit Physical units of the time axis

geom_unit Physical units of the geometry axes

$$1 \leq {\tt n\_dim} \leq 3$$ n_dim Number of dimensions of the geometry

n_tr_max Maximum number of traces

$$1 \leq {\tt n\_tr} \leq {\tt n\_tr\_max}$$ n_tr Number of actual traces different from zero

n_t, t_0, d_t Time axis parameters

tot_n_coord Total number of coordinates Used internally

Name Description Shape

sou Source coordinates (1:n_tr,1:n_dim)

rec Receiver coordinates (1:n_tr,1:n_dim)

cmp CMP coordinates (1:n_tr,1:n_dim)

off Signed full offset (1:n_tr,1:n_dim)

azim Azimuth in radians (1:n_tr)

aoff Absolute full offset (1:n_tr)