pointnet2/pointnet2_modules.py [110:124]:
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        self.npoint = npoint
        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()
        for i in range(len(radii)):
            radius = radii[i]
            nsample = nsamples[i]
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(radius, nsample, use_xyz=use_xyz, sample_uniformly=sample_uniformly)
                if npoint is not None else pointnet2_utils.GroupAll(use_xyz)
            )
            mlp_spec = mlps[i]
            if use_xyz:
                mlp_spec[0] += 3

            self.mlps.append(pt_utils.SharedMLP(mlp_spec, bn=bn))
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pointnet2/pointnet2_modules.py [293:307]:
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        self.npoint = npoint
        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()
        for i in range(len(radii)):
            radius = radii[i]
            nsample = nsamples[i]
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(radius, nsample, use_xyz=use_xyz, sample_uniformly=sample_uniformly)
                if npoint is not None else pointnet2_utils.GroupAll(use_xyz)
            )
            mlp_spec = mlps[i]
            if use_xyz:
                mlp_spec[0] += 3

            self.mlps.append(pt_utils.SharedMLP(mlp_spec, bn=bn))
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