GXFLT class

class GXFLT(handle=0)[source]

GXFLT class.

The GXFLT class allows the application of user-defined convolution filters to data in an OASIS database

__init__(handle=0)[source]
classmethod create(input)[source]

Create a filter from a comma/space delimited string.

Parameters:

input (str) – Filter string

Returns:

GXFLT Object

Return type:

int

New in version 5.0.

License: Geosoft End-User License

Note: Terminates process if filter not found. Sample Fraser Filter string:

“-1,-1,1,1”

is_null()[source]

Check if this is a null (undefined) instance

Returns:

True if this is a null (undefined) instance, False otherwise.

Return type:

bool

classmethod load(file)[source]

Load and return handle to a convolution filter.

Parameters:

file (str) – Name of the filter File

Returns:

GXFLT Object

Return type:

int

New in version 5.0.

License: Geosoft End-User License

Note: Terminates process if filter not found. A filter file is an ASCII file that contains filter coefficients, which are simply mumbers. There can be one coefficient to a line. Blank lines and comment lines are skipped. Comment lines beginn with a forward slash character in column 1. Following is an example Fraser Filter file:

/———————- / Fraser Filter /———————- -1 -1 1 1

classmethod null()[source]

A null (undefined) instance of GXFLT

Returns:

A null GXFLT

Return type:

GXFLT