a d @sddlmZddlZddlmZmZddlmZdedejfe e e eejej eddd Z dedejfe e e e eejej ed d d Z dS) )OptionalN)Tensorstack)torch_meshgridTcpu)heightwidthnormalized_coordinatesdevicedtypereturncCstjd|d|||d}tjd|d|||d}|r\||ddd}||ddd}tt||gdddd }|ddddS) anGenerate a coordinate grid for an image. When the flag ``normalized_coordinates`` is set to True, the grid is normalized to be in the range :math:`[-1,1]` to be consistent with the pytorch function :py:func:`torch.nn.functional.grid_sample`. Args: height: the image height (rows). width: the image width (cols). normalized_coordinates: whether to normalize coordinates in the range :math:`[-1,1]` in order to be consistent with the PyTorch function :py:func:`torch.nn.functional.grid_sample`. device: the device on which the grid will be generated. dtype: the data type of the generated grid. Return: grid tensor with shape :math:`(1, H, W, 2)`. Example: >>> create_meshgrid(2, 2) tensor([[[[-1., -1.], [ 1., -1.]], [[-1., 1.], [ 1., 1.]]]]) >>> create_meshgrid(2, 2, normalized_coordinates=False) tensor([[[[0., 0.], [1., 0.]], [[0., 1.], [1., 1.]]]]) rr r ?ijZindexingZdimtorchZlinspacerrZpermuteZ unsqueeze)rrr r r xsys base_gridrZ/var/www/html/stable-diffusion-webui/venv/lib/python3.9/site-packages/kornia/utils/grid.pycreate_meshgrid s( r)depthrrr r r r c Cstjd|d|||d}tjd|d|||d}tjd|d|||d}|r||ddd}||ddd}||ddd}tt|||gdddd } | dddd dS) aGenerate a coordinate grid for an image. When the flag ``normalized_coordinates`` is set to True, the grid is normalized to be in the range :math:`[-1,1]` to be consistent with the pytorch function :py:func:`torch.nn.functional.grid_sample`. Args: depth: the image depth (channels). height: the image height (rows). width: the image width (cols). normalized_coordinates: whether to normalize coordinates in the range :math:`[-1,1]` in order to be consistent with the PyTorch function :py:func:`torch.nn.functional.grid_sample`. device: the device on which the grid will be generated. dtype: the data type of the generated grid. Return: grid tensor with shape :math:`(1, D, H, W, 3)`. rr rrrrrrrr) rrrr r r rrZzsrrrrcreate_meshgrid3dCsr)typingrrrrZkornia.utils._compatrr float32intboolr rrrrrrs4   >