Aruco marker looks only gray


#1

sorry my poor english

i am trying to run “Drone Delivery and Precision Landing” course in ubuntu 20.04
i have two questions

***first question
in gazebo, an aruco marker is only gray board without marker.
i copy “material” folder and past in home/{baro}/ardupilot_gazebo
but it doesn’t have pattern in marker
how can i fix it?

-second question
when i try to run gazebo_precision_landing.py file it doesn’t pass “vehicle.parameters[‘PLND_ENABLE’] = 1”.
-> I find that it doesn’t work by adding print(“here?”).
The first “here?” is printed in terminal, but second “here?” is not printed in terminal.
(in my code)

vehicle = connect(‘127.0.0.1:14550’)

print(“here?”)

vehicle.parameters[‘PLND_ENABLED’]=1

print(“here?”)

vehicle.parameters[‘PLND_TYPE’]=1

vehicle.parameters[‘PLND_EST_TYPE’]=0

vehicle.parameters[‘LAND_SPEED’]=30 ##cms/s

please can someone help me?

MAVProxy==1.8.34
pymavlink==2.4.8
dronekit==2.9.2
dronekit-sitl==3.3.0
copter == 4.4.4


#2

Can you send me your code and I will check it over?

dronedojoforum@gmail.com


closed #3

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