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hello_drone.py
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hello_drone.py
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import setup_path
import airsim
import numpy as np
import os
import tempfile
import pprint
# connect to the AirSim simulator
client = airsim.MultirotorClient()
client.confirmConnection()
client.enableApiControl(True)
client.armDisarm(True)
state = client.getMultirotorState()
s = pprint.pformat(state)
print("state: %s" % s)
airsim.wait_key('Press any key to takeoff')
client.takeoffAsync().join()
state = client.getMultirotorState()
print("state: %s" % pprint.pformat(state))
airsim.wait_key('Press any key to move vehicle to (-10, 10, -10) at 5 m/s')
client.moveToPositionAsync(-10, 10, -10, 5).join()
client.hoverAsync().join()
state = client.getMultirotorState()
print("state: %s" % pprint.pformat(state))
airsim.wait_key('Press any key to take images')
# get camera images from the car
responses = client.simGetImages([
airsim.ImageRequest("0", airsim.ImageType.DepthVis), #depth visualization image
airsim.ImageRequest("1", airsim.ImageType.DepthPerspective, True), #depth in perspective projection
airsim.ImageRequest("1", airsim.ImageType.Scene), #scene vision image in png format
airsim.ImageRequest("1", airsim.ImageType.Scene, False, False)]) #scene vision image in uncompressed RGBA array
print('Retrieved images: %d' % len(responses))
tmp_dir = os.path.join(tempfile.gettempdir(), "airsim_drone")
print ("Saving images to %s" % tmp_dir)
try:
os.makedirs(tmp_dir)
except OSError:
if not os.path.isdir(tmp_dir):
raise
for idx, response in enumerate(responses):
filename = os.path.join(tmp_dir, str(idx))
if response.pixels_as_float:
print("Type %d, size %d" % (response.image_type, len(response.image_data_float)))
airsim.write_pfm(os.path.normpath(filename + '.pfm'), airsim.get_pfm_array(response))
elif response.compress: #png format
print("Type %d, size %d" % (response.image_type, len(response.image_data_uint8)))
airsim.write_file(os.path.normpath(filename + '.png'), response.image_data_uint8)
else: #uncompressed array
print("Type %d, size %d" % (response.image_type, len(response.image_data_uint8)))
img1d = np.fromstring(response.image_data_uint8, dtype=np.uint8) #get numpy array
img_rgba = img1d.reshape(response.height, response.width, 4) #reshape array to 4 channel image array H X W X 4
img_rgba = np.flipud(img_rgba) #original image is flipped vertically
img_rgba[:,:,1:2] = 100 #just for fun add little bit of green in all pixels
airsim.write_png(os.path.normpath(filename + '.greener.png'), img_rgba) #write to png
airsim.wait_key('Press any key to reset to original state')
client.armDisarm(False)
client.reset()
# that's enough fun for now. let's quit cleanly
client.enableApiControl(False)