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artiq/examples/remote_exec_controller.py

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2016-03-24 00:49:56 +08:00
#!/usr/bin/env python3.5
import numpy as np
from numba import jit
from artiq.protocols.remote_exec import simple_rexec_server_loop
@jit(nopython=True)
def compute_picture(r, img_h, img_w,
gaussian_w, gaussian_h,
gaussian_cx, gaussian_cy,
noise_level):
for y in range(img_h):
for x in range(img_w):
ds = ((gaussian_cx-x)/gaussian_w)**2
ds += ((gaussian_cy-y)/gaussian_h)**2
r[x, y] = np.exp(-ds/2) + noise_level*np.random.random()
class CameraSimulation:
def __init__(self):
self.img_w = 320
self.img_h = 200
self.gaussian_w = 4
self.gaussian_h = 3
self.gaussian_cx = self.img_w//2
self.gaussian_cy = self.img_h//2
self.noise_level = 0.1
def set_gaussian_width(self, wx, wy=None):
if wy is None:
wy = wx
self.gaussian_w = wx
self.gaussian_h = wy
def set_gaussian_center(self, x, y):
self.gaussian_cx = x
self.gaussian_cy = y
def set_noise_level(self, noise_level):
self.noise_level = noise_level
def get_picture(self):
r = np.empty((self.img_w, self.img_h))
compute_picture(r, self.img_h, self.img_w,
self.gaussian_w, self.gaussian_h,
self.gaussian_cx, self.gaussian_cy,
self.noise_level)
return r
def main():
simple_rexec_server_loop("camera_sim", CameraSimulation(),
"::1", 6283)
if __name__ == "__main__":
main()