Update keypoints editor to draw angles.

This commit is contained in:
iabdalkader 2017-01-07 18:53:05 +02:00
parent 6873f17ea0
commit 29a93a3c68

View File

@ -4,19 +4,21 @@ import time
import struct
import pygame
import sys
from math import sin, cos, radians
SCALE = 2
SCALE = 3
RED = (255,0,0)
GREEN = (0,255,0)
GRAY = (127, 127, 127)
KEYPOINTS_SIZE = 16
KEYPOINTS_SIZE = 24
def load_keypoints(path):
kpts = []
with open(path, "rb") as f:
size = struct.unpack("<I", f.read(4))[0]
for i in range(0, size):
x, y, score, octave = struct.unpack("<HHHH", f.read(8))
kpts.append([x, y, score, octave, False, f.read(32)])
x, y, score, octave, angle = struct.unpack("<HHHHH", f.read(10))
kpts.append([x, y, score, octave, angle, False, f.read(32)])
return kpts
if __name__ == '__main__':
@ -65,23 +67,30 @@ if __name__ == '__main__':
pygame.draw.rect(screen, RED, rect, 1)
for kp in kpts:
x, y, score, octave, selected, desc = kp
x = x*octave*SCALE
y = y*octave*SCALE
kp[4] = selected = rect.collidepoint((x, y))
x, y, score, octave, angle, selected, desc = kp
x1 = x*SCALE
y1 = y*SCALE
angle = radians(angle)
size = KEYPOINTS_SIZE/octave
x2 = x1 + sin(angle) * size
y2 = y1 + cos(angle) * size
kp[5] = selected = rect.collidepoint((x1, y1))
color = GREEN if selected else GRAY
pygame.draw.circle(screen, color, (x, y), KEYPOINTS_SIZE/octave, 1)
pygame.draw.circle(screen, color, (x1, y1), size, 1)
pygame.draw.line(screen, color, (x1, y1), (x2, y2))
if save_selected == True:
kpts_sel = []
for kp in kpts:
if (kp[4]): kpts_sel.append(kp)
if (kp[5]): kpts_sel.append(kp)
with open("desc_out.orb", "wb") as f:
f.write(struct.pack("<I", len(kpts_sel)))
for kp in kpts_sel:
x, y, score, octave, selected, desc = kp
f.write(struct.pack("<HHHH", x, y, score, octave))
x, y, score, octave, angle, selected, desc = kp
f.write(struct.pack("<HHHHH", x, y, score, octave, angle))
f.write(desc)
break