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Commit 3977a49c09db1eab6a1973d4a44508e6b0bd1546

Authored by tfmoraes
1 parent b90e16c5
Exists in master and in 68 other branches 3d_inter_style, MIPs, beta3, beta4, brush_pix, canvas_reeng, canvas_text, casmoothing_cython, clean, command-line, cython_threshold, debian_cython, editor_improvements, encoding, ff_mask, ff_mask_improv, ffill_gui, ffill_segmentation, fill_holes_auto, fixes_pre_beta5, floodfill, get_pixel, import_mesh, interactor_style, inv3.0.1, invesalius-libift, mactoolbar, mactoolbar_bkp, manual_v3.1, mask_boolean_op, mask_boolean_op_bkp, mask_copy, mask_greatest_component, measure, measure_canvas, measure_improvements, measure_placement_test, measure_spacing, orientation, phoenix, region_growing_confidence, remote, remove_local_wxpython, rmatsuda-fix_ref_MTC, rmatsuda-fix_remove_marker_bug, rmatsuda-trigger_bug_fix, rotvol, segmentation_menu, select_part, smoothing_bin, smoothing_bin_pll, surface_area, threshold_history, user_guide_en, usp-navegador, vti, vtk6, watershed, watershed_improvements, watershed_improvements_bkp, watershed_merge, workdir, wwwlgui, wx2.9_mac, wxgtk3, wxgtk3_b5, wxgtk3_bkp, xmartlabs-command-line

Add: a module that contains math functions

Showing 2 changed files with 36 additions and 0 deletions   Show diff stats
.gitattributes
  Diff comments   View file @3977a49
... ... @@ -187,6 +187,7 @@ invesalius/gui/widgets/platebtn.py -text
187 187 invesalius/gui/widgets/slice_menu.py -text
188 188 invesalius/i18n.py -text
189 189 invesalius/invesalius.py -text
  190 +invesalius/math_utils.py -text
190 191 invesalius/presets.py -text
191 192 invesalius/project.py -text
192 193 invesalius/reader/__init__.py -text
... ...
invesalius/math_utils.py 0 → 100644
  Diff comments   View file @3977a49
... ... @@ -0,0 +1,35 @@
  1 +#!/usr/bin/env python
  2 +# -*- coding: utf-8 -*-
  3 +
  4 +import math
  5 +import numpy
  6 +
  7 +def calculate_distance(p1, p2):
  8 + """
  9 + Calculates the euclidian distance between p1 and p2 points.
  10 +
  11 + >>> calculate_distance((0, 0), (1, 0))
  12 + 1.0
  13 +
  14 + >>> calculate_distance((0, 0), (0, 1))
  15 + 1.0
  16 + """
  17 + return math.sqrt(sum([(j-i)**2 for i,j in zip(p1, p2)]))
  18 +
  19 +def calculate_angle(v1, v2):
  20 + """
  21 + Calculates the angle formed between vector v1 and v2.
  22 +
  23 + >>> calculate_angle((0, 1), (1, 0))
  24 + 90.0
  25 +
  26 + >>> calculate_angle((1, 0), (0, 1))
  27 + 90.0
  28 + """
  29 + cos_ = numpy.dot(v1, v2)/(numpy.linalg.norm(v1)*numpy.linalg.norm(v2))
  30 + angle = math.degrees(math.acos(cos_))
  31 + return angle
  32 +
  33 +if __name__ == '__main__':
  34 + import doctest
  35 + doctest.testmod()
... ...