GXFFT2 class¶
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class
GXFFT2
(handle=0)¶ GXFFT2 class.
2-D Fast Fourier Transforms These methods now work with an
GXIMG
object, instead of creating their ownGXFFT2
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classmethod
fft2_in
(im_gi, trn_fil, spc_fil)¶ GXFFT2
transformParameters: - im_gi (GXIMG) – Input image
- trn_fil (str) – Output Transform file name string
- spc_fil (str) – Output Power Spectrum file name string
New in version 5.0.
License: Geosoft Extended End-User License
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classmethod
filter_pg
(pg, con_fil, tr, dx, dy, rot)¶ Apply 2D
GXFFT
filters to data in pagerParameters: New in version 5.0.
License: Geosoft Extended End-User License
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classmethod
flt
(im_gi, out_fil, con_fil)¶ GXFFT2
filterParameters: - im_gi (GXIMG) – Input image (Transform grid)
- out_fil (str) – Output file (Transform grid)
- con_fil (str) – Control file
New in version 5.0.
License: Geosoft Extended End-User License
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classmethod
flt_inv
(im_gi, out_fil, con_fil)¶ GXFFT2
filter and inverseParameters: - im_gi (GXIMG) – Input image (Transform grid)
- out_fil (str) – Output file
- con_fil (str) – Control file
New in version 5.0.
License: Geosoft Extended End-User License
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is_null
()¶ Check if this is a null (undefined) instance
Returns: True if this is a null (undefined) instance, False otherwise. Return type: bool
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classmethod
pow_spc
(im_gi, spc_fil)¶ GXFFT2
transform power spectrumParameters: - im_gi (GXIMG) – Input image (Transform grid)
- spc_fil (str) – Output Power Spectrum file name string
New in version 5.0.
License: Geosoft Extended End-User License
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classmethod
rad_spc
(im_gi, spc_fil)¶ GXFFT2
transform Radially averaged power spectrumParameters: - im_gi (GXIMG) – Input image (Transform grid)
- spc_fil (str) – Output Radial Spectrum file name string
New in version 5.0.
License: Geosoft Extended End-User License
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classmethod
rad_spc1
(img, vv)¶ GXFFT2
transform Radially averaged power spectrum for oneGXIMG
Parameters: New in version 7.2.
License: Geosoft Open License
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classmethod
rad_spc2
(img1, img2, vv, v_vst, opt)¶ GXFFT2
transform Radially averaged power spectrum for two IMGsParameters: New in version 7.2.
License: Geosoft Open License
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classmethod
td_xd_y
(img_tx, img_ty, out_fil, inv_flg)¶ GXFFT2
filter (calculate T from the derivatives Tx and Ty)Parameters: New in version 5.0.1.
License: Geosoft Extended End-User License
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classmethod
trans_pg
(pg, opt)¶ Apply 2D
GXFFT
transform to data in pagerParameters: - pg (GXPG) – Pager obj
- opt (int) – FFT2_PG constants
New in version 5.0.
License: Geosoft Extended End-User License
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classmethod