warp.fem.Grid3D#

class warp.fem.Grid3D(res, bounds_lo=None, bounds_hi=None)[source]#

Three-dimensional regular grid geometry

Parameters:

res (vec3i)
bounds_lo (vec3f | None)
bounds_hi (vec3f | None)

__init__(res, bounds_lo=None, bounds_hi=None)[source]#

Constructs a dense 3D grid

Parameters:

res (vec3i) – Resolution of the grid along each dimension
bounds_lo (vec3f | None) – Position of the lower bound of the axis-aligned grid
bounds_hi (vec3f | None) – Position of the upper bound of the axis-aligned grid

Methods

`__init__`(res[, bounds_lo, bounds_hi])	Constructs a dense 3D grid
`boundary_side_count`()
`build_bvh`([device])	Rebuilds the geometry's Bounding Volume Hierarchy (BVH) for device from scratch.
`bvh_id`(device)
`cell_arg_value`(device)
`cell_count`()
`edge_count`()
`fill_cell_arg`(args, device)
`fill_side_arg`(args, device)	Fill the arguments to be passed to side-related device functions
`fill_side_index_arg`(args, device)	Fill the arguments to be passed to side-related device functions
`make_filtered_cell_lookup`([filter_func])
`reference_cell`()
`reference_side`()
`side_arg_value`(device)
`side_count`()
`side_index_arg_value`(device)
`supports_cell_lookup`(device)
`update_bvh`([device])	Refits the geometry's BVH if it exists on device, or builds it from scratch otherwise.
`vertex_count`()

Attributes

`CellArg`	Structure containing arguments to be passed to device functions evaluating cell-related quantities
`Side`
`SideArg`	Structure containing arguments to be passed to device functions evaluating side-related quantities
`SideIndexArg`	Structure containing arguments to be passed to device functions for indexing sides
`base`	Returns the base geometry from which this geometry derives its topology.
`boundary_side_index`
`cell_closest_point`
`cell_coordinates`
`cell_deformation_gradient`
`cell_dimension`	Manifold dimension of the geometry cells
`cell_index`
`cell_inverse_deformation_gradient`
`cell_lookup`
`cell_measure`
`cell_measure_ratio`
`cell_normal`
`cell_position`
`cell_size`
`dimension`
`extents`
`get_cell`
`get_side`
`name`
`origin`
`res`
`side_closest_point`
`side_coordinates`
`side_deformation_gradient`
`side_from_cell_coords`
`side_index`
`side_inner_cell_coords`
`side_inner_cell_index`
`side_inner_inverse_deformation_gradient`
`side_measure`
`side_measure_ratio`
`side_normal`
`side_outer_cell_coords`
`side_outer_cell_index`
`side_outer_inverse_deformation_gradient`
`side_position`
`side_to_cell_arg`
`strides`

dimension: int = 3#

property extents: vec3f#

property cell_size: vec3f#

cell_count()[source]#

vertex_count()[source]#

side_count()[source]#

edge_count()[source]#

boundary_side_count()[source]#

reference_cell()[source]#

Return type:: Element

reference_side()[source]#

Return type:: Element

property res[source]#

property origin[source]#

property strides#

CellArg: Struct = <warp._src.codegen.Struct object>#: Structure containing arguments to be passed to device functions evaluating cell-related quantities

Cell[source]#: alias of vec3i

cell_index = <Function Grid3D__cell_index(res: vec3i, cell: vec3i)>#

Parameters:

res (vec3i)
cell (vec3i)

get_cell = <Function Grid3D__get_cell(res: vec3i, cell_index: int)>#

Parameters:

res (vec3i)
cell_index (int)

Side = <warp._src.codegen.Struct object>#

SideArg: Struct = <warp._src.codegen.Struct object>#: Structure containing arguments to be passed to device functions evaluating side-related quantities

SideIndexArg: Struct = <warp._src.codegen.Struct object>#: Structure containing arguments to be passed to device functions for indexing sides

side_index = <Function Grid3D__side_index(arg: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side: warp._src.fem.geometry.grid_3d.Grid3D.Side)>#

Parameters:

arg (SideArg)
side (Side)

get_side = <Function Grid3D__get_side(arg: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int)>#

Parameters:

arg (SideArg)
side_index (int)

fill_cell_arg(args, device)[source]#

Parameters:: args (Grid3DCellArg)

cell_position = <Function Grid3D__cell_position(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (Grid3DCellArg)
s (Sample)

cell_deformation_gradient = <Function Grid3D__cell_deformation_gradient(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (Grid3DCellArg)
s (Sample)

cell_inverse_deformation_gradient = <Function Grid3D__cell_inverse_deformation_gradient(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (Grid3DCellArg)
s (Sample)

cell_coordinates = <Function Grid3D__cell_coordinates(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, cell_index: int, pos: vec3f)>#

Parameters:

args (Grid3DCellArg)
cell_index (int)
pos (vec3f)

cell_closest_point = <Function Grid3D__cell_closest_point(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, cell_index: int, pos: vec3f)>#

Parameters:

args (Grid3DCellArg)
cell_index (int)
pos (vec3f)

supports_cell_lookup(device)[source]#

make_filtered_cell_lookup(filter_func=None)[source]#

Parameters:: filter_func (Function)

cell_measure = <Function Grid3D__cell_measure(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (Grid3DCellArg)
s (Sample)

cell_normal = <Function Grid3D__cell_normal(args: warp._src.fem.geometry.grid_3d.Grid3DCellArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (Grid3DCellArg)
s (Sample)

side_arg_value(device)[source]#

side_index_arg_value(device)[source]#

Return type:: SideArg

boundary_side_index = <Function Grid3D__boundary_side_index(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, boundary_side_index: int)>#

Parameters:

args (SideArg)
boundary_side_index (int)

side_position = <Function Grid3D__side_position(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_deformation_gradient = <Function Grid3D__side_deformation_gradient(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_inner_inverse_deformation_gradient = <Function Grid3D__side_inner_inverse_deformation_gradient(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_outer_inverse_deformation_gradient = <Function Grid3D__side_outer_inverse_deformation_gradient(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_measure = <Function Grid3D__side_measure(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_measure_ratio = <Function Grid3D__side_measure_ratio(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_normal = <Function Grid3D__side_normal(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, s: warp._src.fem.types.Sample)>#

Parameters:

args (SideArg)
s (Sample)

side_inner_cell_index = <Function Grid3D__side_inner_cell_index(arg: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int)>#

Parameters:

arg (SideArg)
side_index (int)

side_outer_cell_index = <Function Grid3D__side_outer_cell_index(arg: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int)>#

Parameters:

arg (SideArg)
side_index (int)

side_inner_cell_coords = <Function Grid3D__side_inner_cell_coords(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int, side_coords: vec3f)>#

Parameters:

args (SideArg)
side_index (int)
side_coords (vec3f)

side_outer_cell_coords = <Function Grid3D__side_outer_cell_coords(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int, side_coords: vec3f)>#

Parameters:

args (SideArg)
side_index (int)
side_coords (vec3f)

side_from_cell_coords = <Function Grid3D__side_from_cell_coords(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int, element_index: int, element_coords: vec3f)>#

Parameters:

args (SideArg)
side_index (int)
element_index (int)
element_coords (vec3f)

side_to_cell_arg = <Function Grid3D__side_to_cell_arg(side_arg: warp._src.fem.geometry.grid_3d.Grid3D.SideArg)>#

Parameters:: side_arg (SideArg)

side_coordinates = <Function Grid3D__side_coordinates(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int, pos: vec3f)>#

Parameters:

args (SideArg)
side_index (int)
pos (vec3f)

side_closest_point = <Function Grid3D__side_closest_point(args: warp._src.fem.geometry.grid_3d.Grid3D.SideArg, side_index: int, pos: vec3f)>#

Parameters:

args (SideArg)
side_index (int)
pos (vec3f)