pdt_command.py

            raise PDT_InvalidVector
    # Direction/Polar Coordinates
    elif mode == "i":
        try:
            vector_delta = vector_build(context, pg, obj, operation, values, 2)
        except:
            raise PDT_InvalidVector

    ret = bmesh.ops.duplicate(
        bm,
        geom=(
            [f for f in bm.faces if f.select]
            + [e for e in bm.edges if e.select]
            + [v for v in bm.verts if v.select]
        ),
        use_select_history=True,
    )
    geom_dupe = ret["geom"]
    verts_dupe = [v for v in geom_dupe if isinstance(v, bmesh.types.BMVert)]
    edges_dupe = [e for e in geom_dupe if isinstance(e, bmesh.types.BMEdge)]
    faces_dupe = [f for f in geom_dupe if isinstance(f, bmesh.types.BMFace)]
    del ret

    if pg.plane == "LO" and mode in  {"d", "n"}:
        vector_delta = view_coords(vector_delta.x, vector_delta.y, vector_delta.z)
    elif pg.plane == "LO" and mode == "i":
        vector_delta = view_dir(pg.distance, pg.angle)

    bmesh.ops.translate(bm, verts=verts_dupe, vec=vector_delta)
    update_sel(bm, verts_dupe, edges_dupe, faces_dupe)
    bmesh.update_edit_mesh(obj.data)


def fillet_geometry(context, pg, mode, obj, bm, verts, values):
    """Fillet Geometry.

    Args:
        context: Blender bpy.context instance.
        pg: PDT Parameters Group - our variables
        operation: The Operation e.g. Create New Vertex
        mode: The Operation Mode, e.g. a for Absolute
        obj: The Active Object
        bm: The object's Bmesh
        verts: The object's selected vertices, or selected history vertices
        values: The parameters passed e.g. 1,4,3 for Cartesian Coordinates

    Returns:
        Nothing.
    """

    if not obj.mode == "EDIT":
        pg.error = PDT_ERR_FILEDIT
        context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
        return
    if mode in {"i", "v"}:
        affect = 'VERTICES'
    else:
        # Must be "e"
        affect = 'EDGES'
    # Note that passing an empty parameter results in that parameter being seen as "0"
    # _offset <= 0 is ignored since a bevel/fillet radius must be > 0 to make sense
    _offset = float(values[0])
    _segments = float(values[1])
    if _segments < 1:
        _segments = 1   # This is a single, flat segment (ignores profile)
    _profile = float(values[2])
    if _profile < 0.0 or _profile > 1.0:
        _profile = 0.5  # This is a circular profile
    if mode == "i":
        # Fillet & Intersect Two Edges
        # Always use Current Selection
        verts = [v for v in bm.verts if v.select]
        edges = [e for e in bm.edges if e.select]
        if len(edges) == 2 and len(verts) == 4:
            plane = pg.plane
            v_active = edges[0].verts[0]
            v_other = edges[0].verts[1]
            v_last = edges[1].verts[0]
            v_first = edges[1].verts[1]
            vector_delta, done = intersection(v_active.co,
                                              v_other.co,
                                              v_last.co,
                                              v_first.co,
                                              plane
                                              )
            if not done:
                pg.error = f"{PDT_ERR_INT_LINES} {plane}  {PDT_LAB_PLANE}"
                context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
                raise PDT_IntersectionError
            if (v_active.co - vector_delta).length < (v_other.co - vector_delta).length:
                v_active.co = vector_delta
                v_other.select_set(False)
            else:
                v_other.co = vector_delta
                v_active.select_set(False)
            if (v_last.co - vector_delta).length < (v_first.co - vector_delta).length:
                v_last.co = vector_delta
                v_first.select_set(False)
            else:
                v_first.co = vector_delta
                v_last.select_set(False)
            bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.0001)
        else:
            pg.error = f"{PDT_ERR_SEL_4_VERTS} {len(verts)} Vert(s), {len(edges)} Edge(s))"
            context.window_manager.popup_menu(oops, title="Error", icon="ERROR")
            raise PDT_SelectionError

    bpy.ops.mesh.bevel(
        offset_type="OFFSET",
        offset=_offset,
        segments=_segments,
        profile=_profile,
        affect=affect
    )