dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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import numpy as np
from metadrive.component.sensors.rgb_camera import RGBCamera
from panda3d.core import Texture, GraphicsOutput
class CopyRamRGBCamera(RGBCamera):
"""Camera which copies its content into RAM during the render process, for faster image grabbing."""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.cpu_texture = Texture()
self.buffer.addRenderTexture(self.cpu_texture, GraphicsOutput.RTMCopyRam)
def get_rgb_array_cpu(self):
origin_img = self.cpu_texture
img = np.frombuffer(origin_img.getRamImage().getData(), dtype=np.uint8)
img = img.reshape((origin_img.getYSize(), origin_img.getXSize(), -1))
img = img[:,:,:3] # RGBA to RGB
# img = np.swapaxes(img, 1, 0)
img = img[::-1] # Flip on vertical axis
return img
class RGBCameraWide(CopyRamRGBCamera):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
lens = self.get_lens()
lens.setFov(120)
lens.setNear(0.1)
class RGBCameraRoad(CopyRamRGBCamera):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
lens = self.get_lens()
lens.setFov(40)
lens.setNear(0.1)