export.py 文件源码

def export_collada(mesh):
    '''
    Export a mesh as a COLLADA file.
    '''
    from ..templates import get_template
    from string import Template

    template_string = get_template('collada.dae.template')
    template = Template(template_string)

    # we bother setting this because np.array2string uses these printoptions 
    np.set_printoptions(threshold=np.inf, precision=5, linewidth=np.inf)
    replacement = dict()
    replacement['VERTEX']   = np.array2string(mesh.vertices.reshape(-1))[1:-1]
    replacement['FACES']    = np.array2string(mesh.faces.reshape(-1))[1:-1]
    replacement['NORMALS']  = np.array2string(mesh.vertex_normals.reshape(-1))[1:-1]
    replacement['VCOUNT']   = str(len(mesh.vertices))
    replacement['VCOUNTX3'] = str(len(mesh.vertices) * 3)
    replacement['FCOUNT']   = str(len(mesh.faces))

    export = template.substitute(replacement)
    return export