GXEUL3 class

class GXEUL3(handle=0)

GXEUL3 class.

This is a specialized class which performs 3D Euler deconvolution for potential field interpretation.

classmethod creat(imgt, imgtx, imgty, imgtz, wnd_siz, gi, tolrnc, max_dis, obs_flg, obs_hght, obs_elev)

Creates an GXEUL3 object.

Parameters:
  • imgt (GXIMG) – Image of grid T
  • imgtx (GXIMG) – Image of grid Tx
  • imgty (GXIMG) – Image of grid Ty
  • imgtz (GXIMG) – Image of grid Tz
  • wnd_siz (int) – Window size (maximum 20)
  • gi (float) – Geometric index, from 0.0 to 3.0
  • tolrnc (float) – Max tolerance to allow (percentage)
  • max_dis (float) – Max dist. acceptable (0 for infinite)
  • obs_flg (int) – ObsFlg Height (0) or Elevation (1)
  • obs_hght (float) – Height of observation plane
  • obs_elev (float) – Elevation of observation plane
Returns:

GXEUL3 Object
Return type:

GXEUL3

New in version 5.0.

License: Geosoft Extended End-User License

destr()

Destroys a GXEUL3 object.

New in version 5.0.

License: Geosoft Extended End-User License

classmethod ex_euler_calc(typ, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17, p18, p19, p20)

Does the exeuler depth calculations

Parameters:
  • typ (int) – Solution type flag (0 for contacts, 1 for dykes)
  • p2 (float) – Structural index value (used only when generating dykes)
  • p3 (int) – Window length
  • p4 (float) – Field strength in nT
  • p5 (float) – Inclination
  • p6 (float) – Declination
  • p7 (float) – Profile azimuth wrt north
  • p8 (float) – Minimum depth for returned solutions
  • p9 (float) – Maximum depth for returned solutions
  • p10 (float) – Percentage error allowed before rejection
  • p11 (int) – Number of points in profile
  • p12 (GXVV) – Array of point distances along profile
  • p13 (GXVV) – Array of observed values
  • p14 (GXVV) – Array of horizontal derivative values. Can be NULL for calculated
  • p15 (GXVV) – Array of vertical derivative values. Can be NULL for calculated
  • p16 (int) – Length of solutions arrays passed in
  • p17 (GXVV) – The profile distance for each solution
  • p18 (GXVV) – The depth for each solution
  • p19 (GXVV) – The dip for each solution
  • p20 (GXVV) – The susceptibility for each solution
Returns:

>0 for OK, -1 for Error
Return type:

int

New in version 9.0.

License: Geosoft Extended End-User License

classmethod ex_euler_derive(vv_dist, pr_dx, vv_mag, length, vv_gx, vv_gz, max_sol)

Calculates gradients

Parameters:
  • vv_dist (GXVV) – Input distance
  • pr_dx (float) – Sample Interval
  • vv_mag (GXVV) – Input mag
  • length (int) – SampleCount
  • vv_gx (GXVV) – Horizontal Gradient out
  • vv_gz (GXVV) – Vertical Gradient out
  • max_sol (int) – Output array size limit
Returns:

0 for OK, -1 for Error
Return type:

int

New in version 9.0.

License: Geosoft Extended End-User License

get_result(vv_r, pi_res_field)

Get a result field GXVV from GXEUL3 object

Parameters:

New in version 5.0.

License: Geosoft Extended End-User License

is_null()

Check if this is a null (undefined) instance

Returns:True if this is a null (undefined) instance, False otherwise.
Return type:bool
classmethod null()

A null (undefined) instance of GXEUL3

Returns:A null GXEUL3
Return type:GXEUL3
write(out_fil)

Write the results of GXEUL3 object to output file.

Parameters:out_fil (str) – Output File Name

New in version 5.0.

License: Geosoft Extended End-User License

EUL3_RESULT constants

Euler result types

EUL3_RESULT_X

X

gxapi.EUL3_RESULT_X = 1
EUL3_RESULT_Y

Y

gxapi.EUL3_RESULT_Y = 2
EUL3_RESULT_DEPTH

Depth

gxapi.EUL3_RESULT_DEPTH = 3
EUL3_RESULT_BACKGROUND

Background

gxapi.EUL3_RESULT_BACKGROUND = 4
EUL3_RESULT_DEPTHERROR

Deptherror

gxapi.EUL3_RESULT_DEPTHERROR = 5
EUL3_RESULT_LOCATIONERROR

Locationerror

gxapi.EUL3_RESULT_LOCATIONERROR = 6
EUL3_RESULT_WINDOWX

Windowx

gxapi.EUL3_RESULT_WINDOWX = 7
EUL3_RESULT_WINDOWY

Windowy

gxapi.EUL3_RESULT_WINDOWY = 8