Utilities

pygaf.utils.add_constant_to_list(list, const)

Add a constant value to each item of a list.

Parameters:

  • list (float) – 2d list of numeric values.

  • const (float) – Constant value to add to each list item.

Returns:

2d list.

pygaf.utils.conductance(K=1.0, B=1.0, W=1.0, L=1.0)

Calculate conductance value from components.

Parameters:

  • K (float) – Hydraulic conductivity of external porous medium (units L/T, default 1.0).

  • B (float) – Thickness of external porous media normal to flow (units L, default 1,0).

  • W (float) – Width of external porous medium normal to flow (units L, default 1.0); should be equal to 1.0 for 1D flow,

  • L (float) – Lenghth of external porous medium between the boundary and external head (units L, default 1.0).

pygaf.utils.deg2rad(deg)

Convert degrees to radians for an angle between -90 and 90 deg.

Parameters:

deg (float) – Angle in degrees.

Returns:

Angle in radians.

pygaf.utils.display_image(fname, dw=8)

Display an image file from the images folder.

Parameters:

  • fname (str) – Image file name.

  • dw (float) – Width of figure (default 8.0).

pygaf.utils.rotate_grid(x0, y0, x, y, phi)

Rotate the coordinates of a grid.

Parameters:

  • x0 (float) – X coordinate of ceter of rotation.

  • y0 (float) – Y coordinate of center of rotation.

  • x (float) – 1d list of grid x coordinates.

  • y (float) – 1d list of grid y coordinates.

  • phi (float) – Angle of clockwise rotation in radians.

Returns:

Rotated x as 1d lsit, rotated y as 1d list.

pygaf.utils.rotate_grid_2d(x0, y0, x, y, phi)

Rotate the coordinates of a grid in 2d format.

Parameters:

  • x0 (float) – X coordinate of ceter of rotation.

  • y0 (float) – Y coordinate of center of rotation.

  • x (float) – 2d list of grid x coordinates.

  • y (float) – 2d list of grid y coordinates.

  • phi (float) – Angle of clockwise rotation in radians.

Returns:

Rotated x as 2d list, rotated y as 2d list.

pygaf.utils.rotate_point(x0, y0, x1, y1, phi)

Rotate the coordinates of a point.

Parameters:

  • x0 (float) – X coordinate of ceter of rotation.

  • y0 (float) – Y coordinate of center of rotation.

  • x1 (float) – X coordinate of point to be rotated.

  • y1 (float) – Y coordinate of point to be rotated.

  • phi (float) – Angle of clockwise rotation in radians.

Returns:

Tupple of rotated x and y coordinates.