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| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/stl.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/stl.py')
| -rw-r--r-- | python/examples/kaitai/stl.py | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/python/examples/kaitai/stl.py b/python/examples/kaitai/stl.py deleted file mode 100644 index 18971107..00000000 --- a/python/examples/kaitai/stl.py +++ /dev/null @@ -1,107 +0,0 @@ -# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild - -from pkg_resources import parse_version -from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO -import collections - - -if parse_version(ks_version) < parse_version('0.7'): - raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) - -class Stl(KaitaiStruct): - """STL files are used to represent simple 3D models, defined using - triangular 3D faces. - - Initially it was introduced as native format for 3D Systems - Stereolithography CAD system, but due to its extreme simplicity, it - was adopted by a wide range of 3D modelling, CAD, rapid prototyping - and 3D printing applications as the simplest 3D model exchange - format. - - STL is extremely bare-bones format: there are no complex headers, no - texture / color support, no units specifications, no distinct vertex - arrays. Whole model is specified as a collection of triangular - faces. - - There are two versions of the format (text and binary), this spec - describes binary version. - """ - SEQ_FIELDS = ["header", "num_triangles", "triangles"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header']['start'] = self._io.pos() - self.header = self._io.read_bytes(80) - self._debug['header']['end'] = self._io.pos() - self._debug['num_triangles']['start'] = self._io.pos() - self.num_triangles = self._io.read_u4le() - self._debug['num_triangles']['end'] = self._io.pos() - self._debug['triangles']['start'] = self._io.pos() - self.triangles = [None] * (self.num_triangles) - for i in range(self.num_triangles): - if not 'arr' in self._debug['triangles']: - self._debug['triangles']['arr'] = [] - self._debug['triangles']['arr'].append({'start': self._io.pos()}) - _t_triangles = self._root.Triangle(self._io, self, self._root) - _t_triangles._read() - self.triangles[i] = _t_triangles - self._debug['triangles']['arr'][i]['end'] = self._io.pos() - - self._debug['triangles']['end'] = self._io.pos() - - class Triangle(KaitaiStruct): - """Each STL triangle is defined by its 3 points in 3D space and a - normal vector, which is generally used to determine where is - "inside" and "outside" of the model. - """ - SEQ_FIELDS = ["normal", "vertices"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['normal']['start'] = self._io.pos() - self.normal = self._root.Vec3d(self._io, self, self._root) - self.normal._read() - self._debug['normal']['end'] = self._io.pos() - self._debug['vertices']['start'] = self._io.pos() - self.vertices = [None] * (3) - for i in range(3): - if not 'arr' in self._debug['vertices']: - self._debug['vertices']['arr'] = [] - self._debug['vertices']['arr'].append({'start': self._io.pos()}) - _t_vertices = self._root.Vec3d(self._io, self, self._root) - _t_vertices._read() - self.vertices[i] = _t_vertices - self._debug['vertices']['arr'][i]['end'] = self._io.pos() - - self._debug['vertices']['end'] = self._io.pos() - - - class Vec3d(KaitaiStruct): - SEQ_FIELDS = ["x", "y", "z"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['x']['start'] = self._io.pos() - self.x = self._io.read_f4le() - self._debug['x']['end'] = self._io.pos() - self._debug['y']['start'] = self._io.pos() - self.y = self._io.read_f4le() - self._debug['y']['end'] = self._io.pos() - self._debug['z']['start'] = self._io.pos() - self.z = self._io.read_f4le() - self._debug['z']['end'] = self._io.pos() - - - |
