How to use in Slope Environment

[mat-macnica]

Hello,

I'd like to run nvblox sample with adding slope environment like below.
But the carter don’t proceed into slope area because of costmap near slope.

https://nvidia-isaac-ros.github.io/concepts/scene_reconstruction/nvblox/tutorials/tutorial_isaac_sim.html

Question:
Are there any recommended way to solve this problem?

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Best regards,