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Only attempt displaying when DISPLAY is set #32

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merged 1 commit into from
Sep 5, 2022
Merged

Only attempt displaying when DISPLAY is set #32

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4 changes: 2 additions & 2 deletions diambra/arena/utils/gym_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -166,7 +166,7 @@ def show_gym_obs(observation, char_list, wait_key=1, viz=True):
if viz:
obs = np.array(observation).astype(np.float32) / 255

if viz:
if viz and 'DISPLAY' in os.environ:
cv2.imshow("[{}] Frame".format(os.getpid()), obs[:, :, ::-1]) # rgb2bgr
cv2.waitKey(wait_key)

Expand Down Expand Up @@ -201,7 +201,7 @@ def show_wrap_obs(observation, n_actions_stack, char_list, wait_key=1, viz=True)
if viz:
obs = np.array(observation).astype(np.float32)

if viz:
if viz and 'DISPLAY' in os.environ:
for idx in range(obs.shape[2]):
cv2.imshow("[{}] Frame-{}".format(os.getpid(), idx), obs[:, :, idx])

Expand Down