Hello,
I will provide a brief outline of what I am trying to accomplish and I would appreciate any feedback people can provide.

Equipment:

• DJI Agras T20P with spreader attachment
• DJI Terra Software
• DJI Mavic 3
• Spike 20P Pelletized Herbicide
  

Mission Location:

• A property in the Texas hill country that is a hunting preserve. Large grassland pastures with large, mature oak trees and low brush growing up all around
  

Goal:

• Our client wants to spread this pelletized herbicide across the 500 acres of this hunting preserve at a rate of 8 lbs/acre in order to kill off the low brush growing among the grass
• However, this herbicide can harm the oak trees so we want to leave a 15 ft. area around all of these trees where the herbicide is not spread
  

Process:

• I use the DJI Mavic 3 to map out the property and create a reconstruction in DJI Terra
• I then go into the Agricultural Application to mark all of the oak trees as buildings
  

Issue:

• In order to get the drone to fly over the trees and avoid running into them, I set up the mission as a Fruit Tree mission. However, I was then alerted when setting up the drone to fly that the spreader cannot be used during a fruit tree mission.
• So, I simply treated it like a field and relied on the Agras T20P's obstacle avoidance system to go up and over or around trees. However, I was unable to figure out how to prevent it from spreading any of the herbicide while it is flying over a tree.
• There are too many trees in the field to mark them all as obstacles and have the drone fly around them. I need to the drone to follow a 3D path where it goes over the trees and stops spreading. This will allow it to still fly a grid pattern which is much more efficient.
  

Essentially, I need a combination of both field and fruit tree missions. I need a workflow where the drone will spread 8 lbs/acre in the field, but turn off AND avoid trees when it encounters them. Is there a way to accomplish this?

Thanks,
Ethan

Hello,
I will provide a brief outline of what I am trying to accomplish and I would appreciate any feedback people can provide.

Equipment:

• DJI Agras T20P with spreader attachment
• DJI Terra Software
• DJI Mavic 3
• Spike 20P Pelletized Herbicide
  

Mission Location:

• A property in the Texas hill country that is a hunting preserve. Large grassland pastures with large, mature oak trees and low brush growing up all around
  

Goal:

• Our client wants to spread this pelletized herbicide across the 500 acres of this hunting preserve at a rate of 8 lbs/acre in order to kill off the low brush growing among the grass
• However, this herbicide can harm the oak trees so we want to leave a 15 ft. area around all of these trees where the herbicide is not spread
  

Process:

• I use the DJI Mavic 3 to map out the property and create a reconstruction in DJI Terra
• I then go into the Agricultural Application to mark all of the oak trees as buildings
  

Issue:

• In order to get the drone to fly over the trees and avoid running into them, I set up the mission as a Fruit Tree mission. However, I was then alerted when setting up the drone to fly that the spreader cannot be used during a fruit tree mission.
• So, I simply treated it like a field and relied on the Agras T20P's obstacle avoidance system to go up and over or around trees. However, I was unable to figure out how to prevent it from spreading any of the herbicide while it is flying over a tree.
• There are too many trees in the field to mark them all as obstacles and have the drone fly around them. I need to the drone to follow a 3D path where it goes over the trees and stops spreading. This will allow it to still fly a grid pattern which is much more efficient.
  

Essentially, I need a combination of both field and fruit tree missions. I need a workflow where the drone will spread 8 lbs/acre in the field, but turn off AND avoid trees when it encounters them. Is there a way to accomplish this?

Thanks,
Ethan