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dwg_ac1012.ksy
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meta:
id: dwg_ac1012
title: AutoCAD r13 drawing (AC1012)
application: AutoCAD
file-extension:
- dwg
xref:
justsolve: DWG
mime:
- application/x-dwg
- image/vnd.dwg
pronom:
fmt: 32
wikidata: Q27863127
license: CC0-1.0
endian: le
doc: |
This is work in progress, and does not parse at all yet.
TODO: bitcompressed numbers (BS, BL, BD), objects, new tables, sections, ...
seq:
- id: header
type: header
- id: entities
type: real_entities
size: header.entities_end - header.entities_start
- id: crc_entities
size: header.table_block.begin-_io.pos
- id: blocks
type: block
repeat: expr
repeat-expr: header.table_block.items
- id: crc_blocks
size: header.table_layer.begin-_io.pos
- id: layers
type: layer
repeat: expr
repeat-expr: header.table_layer.items
- id: crc_layers
size: header.table_style.begin-_io.pos
- id: styles
type: style
repeat: expr
repeat-expr: header.table_style.items
- id: crc_styles
size: header.table_linetype.begin-_io.pos
- id: linetypes
type: linetype
repeat: expr
repeat-expr: header.table_linetype.items
- id: crc_linetypes
size: header.table_view.begin-_io.pos
- id: views
type: view
repeat: expr
repeat-expr: header.table_view.items
- id: crc_views
size: header.variables.table_ucs.begin-_io.pos
- id: ucss
type: ucs
repeat: expr
repeat-expr: header.variables.table_ucs.items
- id: crc_ucss
size: header.variables.table_vport.begin-_io.pos
- id: vports
type: vport
repeat: expr
repeat-expr: header.variables.table_vport.items
- id: crc_vports
size: header.variables.table_appid.begin-_io.pos
- id: appids
type: appid
repeat: expr
repeat-expr: header.variables.table_appid.items
- id: crc_appids
size: header.variables.table_dimstyle.begin-_io.pos
- id: dimstyles
type: dimstyle
repeat: expr
repeat-expr: header.variables.table_dimstyle.items
- id: crc_dimstyles
size: header.variables.table_vx.begin-_io.pos
- id: vxs
type: vx
repeat: expr
repeat-expr: header.variables.table_vx.items
- id: crc_vxs
size: header.blocks_start-_io.pos
- id: block_entities
type: real_entities
size: header.blocks_size
- id: crc_block_entities
size: 32
- id: todo
size-eos: true
repeat: eos
if: not _io.eof
types:
block:
seq:
- id: flag
type: block_flag
doc: BLOCK/70
- id: block_name
size: 32
type: str
encoding: ASCII
terminator: 0x00
doc: BLOCK/2
- id: block_scaling
type: s1
- id: num_owned
type: s2
- id: flag2
type: block_flag2
# - id: num_inserts
# type: u1
# - id: flag3
# type: block_flag3
- id: u1
type: f8
block_flag:
seq:
- id: none
type: b1
- id: anonymous_block
type: b1
- id: flag3
type: b1
- id: flag4
type: b1
- id: flag5
type: b1
- id: flag6
type: b1
- id: resolved_external_reference
type: b1
- id: references_external_reference
type: b1
block_flag2:
seq:
- id: flag1
type: b1
- id: flag2
type: b1
- id: flag3
type: b1
- id: flag4
type: b1
- id: flag5
type: b1
- id: flag6
type: b1
- id: flag7
type: b1
- id: flag8
type: b1
block_flag3:
seq:
- id: flag1
type: b1
- id: flag2
type: b1
- id: flag3
type: b1
- id: flag4
type: b1
- id: flag5
type: b1
- id: flag6
type: b1
- id: flag7
type: b1
- id: flag8
type: b1
header:
seq:
- id: magic
contents: AC1012
# [0x41, 0x43, 0x31, 0x30, 0x31, 0x32]
doc: 0x0000-0x0005, $ACADVER/1
- id: zeros
size: 6
- id: zero_one_or_three
type: s1
- id: thumbnail_address
type: s4
- id: dwg_version
type: s1
# contents: 0x14
- id: maint_version
type: s1
- id: codepage
type: s2
- id: table_block
type: table
- id: table_layer
type: table
- id: table_style
type: table
- id: table_linetype
type: table
- id: table_view
type: table
- id: variables
type: header_variables
instances:
blocks_size_unknown:
value: (blocks_size_raw & 0xff000000) >> 24
blocks_size:
value: (blocks_size_raw & 0x00ffffff)
table:
seq:
- id: item_size
type: u2
- id: items
type: u2
- id: unknown
size: 2
- id: begin
type: u4
header_variables:
seq:
- id: insertion_base
type: point_3d
doc: 0x005e-0x0075, $INSBASE/10|20|30
- id: plinegen
type: s2
doc: 0x0076-0x0077, $PLINEGEN/70
- id: drawing_first
type: point_3d
doc: 0x0078-0x008f, $EXTMIN/10|20|30
- id: drawing_second
type: point_3d
doc: 0x0090-0x00a7, $EXTMAX/10|20|30
- id: limits_min
type: point_2d
doc: 0x00a8-0x00b7, $LIMMIN/10|20
- id: limits_max
type: point_2d
doc: 0x00b8-0x00c7, $LIMMAX/10|20
- id: view_ctrl
type: point_3d
doc: 0x00c8-0x00da, $VIEWCTRL/10|20|30
- id: view_size
type: f8
doc: 0x00e0-0x00e7, $VIEWSIZE/40
- id: snap
type: s2
doc: 0x00e8-0x00e9, $SNAPMODE
- id: snap_resolution
type: point_2d
doc: 0x00ea-0x00f9, $SNAPUNIT/10|20
- id: snap_base
type: point_2d
doc: 0x00fa-0x0109, $SNAPBASE/10|20
- id: snap_angle
type: f8
doc: 0x010a-0x0111, $SNAPANG
- id: snap_style
type: s2
doc: 0x0112-0x0113, $SNAPSTYLE
- id: snap_iso_pair
type: s2
enum: iso_plane
doc: 0x0114-0x0115, $SNAPISOPAIR
- id: grid
type: s2
doc: 0x0116-0x0117, $GRIDMODE
- id: grid_unit
type: point_2d
doc: 0x0118-0x0127, $GRIDUNIT/10|20
- id: ortho
type: s2
doc: 0x0128-0x0129, $ORTHOMODE
- id: regen
type: s2
doc: 0x012a-0x012b, $REGENMODE
- id: fill
type: s2
doc: 0x012c-0x012d, $FILLMODE
- id: qtext
type: s2
doc: 0x012e-0x012f, $QTEXTMODE
- id: drag
type: s2
doc: 0x0130-0x0131, $DRAGMODE
- id: linetype_scale
type: f8
doc: 0x0132-0x0139, $LTSCALE
- id: text_size
type: f8
doc: 0x013a-0x0141, $TEXTSIZE
- id: trace_width
type: f8
doc: 0x0142-0x0149, $TRACEWID
- id: current_layer_index
type: s2
doc: 0x014a-0x014b, $CLAYER
- id: old_cecolor
type: f8
doc: 0x014c-0x0153
- id: unknown6
type: u2
doc: 0x0154-0x0155
- id: psltscale
type: u2
doc: 0x0156-0x0157, $PSLTSCALE/70
- id: unknown7c
size: 2
doc: 0x0158-0x0159
- id: unknown7d
size: 2
doc: 0x015a-0x015b
- id: unknown8
type: f8
doc: 0x015c-0x0163
- id: linear_units_format
enum: unit_types
type: s2
doc: 0x0164-0x0165, $LUNITS
- id: linear_units_precision
type: s2
doc: 0x0166-0x0167, $LUPREC
- id: axis
type: s2
doc: 0x0168-0x0169, $AXISMODE/70
- id: axis_value
type: point_2d
doc: 0x016a-0x0179, $AXISUNIT/10|20
- id: sketch_increment
type: f8
doc: 0x017a-0x0181, $SKETCHINC
- id: fillet_radius
type: f8
doc: $FILLETRAD/40
- id: units_for_angles
enum: units_for_angles
type: s2
doc: $AUNITS
- id: angular_precision
type: s2
doc: $AUPREC
- id: text_style_index
type: s2
doc: 0x018e-0x018f, $TEXTSTYLE (index)
- id: osnap
enum: osnap_modes
type: s2
doc: 0x0190-0x0191, $OSMODE
- id: att_visibility
enum: att_visibility
type: s2
doc: 0x0192-0x0193, $ATTMODE/70
- id: menu
size: 15
type: str
encoding: ASCII
terminator: 0x00
doc: 0x0194-0x01a2, $MENU
- id: dim_scale
type: f8
doc: 0x01a3-0x01aa, $DIMSCALE
- id: dim_arrowhead_size
type: f8
doc: $DIMASZ
- id: dim_extension_line_offset
type: f8
doc: $DIMEXO
- id: dim_baseline_spacing
type: f8
doc: $DIMDLI
- id: dim_extension_line_extend
type: f8
doc: $DIMEXE
- id: dim_maximum_tolerance_limit
type: f8
doc: 0x01cb-0x01d2, $DIMTP
- id: dim_minimum_tolerance_limit
type: f8
doc: 0x01d3-0x01da, $DIMTM
- id: dim_text_height
type: f8
doc: 0x01db-0x01e2, $DIMTXT
- id: dim_center_mark_control
type: f8
doc: 0x01e3-0x01ea, $DIMCEN
- id: dim_oblique_stroke_size
type: f8
doc: 0x01eb-0x01f2, $DIMTSZ
- id: dim_tolerances
type: s1
doc: 0x01f3, $DIMTOL
- id: dim_limits_default_text
type: s1
doc: 0x01f4, $DIMLIM
- id: dim_text_ext_inside_line_position
type: s1
doc: 0x01f5, $DIMTIH
- id: dim_text_ext_outside_line_position
type: s1
doc: 0x01f6, $DIMTOH
- id: dim_extension_line_first_suppress
type: s1
doc: 0x01f7, $DIMSE1
- id: dim_extension_line_second_suppress
type: s1
doc: 0x01f8, $DIMSE2
- id: dim_text_vertical_position
type: s1
doc: 0x01f9, $DIMTAD
- id: limits_check
enum: limits_check
type: s2
doc: 0x01fa-0x01fb, $LIMCHECK
- id: unknown10a
type: u1
doc: 0x01fc,
- id: unknown10b
type: u1
- id: unknown10c
type: u1
- id: unknown10d
type: u1
- id: unknown10e
type: u1
- id: unknown10f
type: u1
- id: unknown10g
type: f8
- id: unknown10h
type: u1
- id: unknown10i
type: u1
- id: unknown10j
type: u1
- id: unknown10k
type: u1
- id: unknown10l
type: u1
- id: unknown10m
type: u1
- id: unknown10n
type: u1
- id: unknown10o
type: u1
- id: unknown10p
type: f8
- id: unknown10q
type: f8
- id: unknown10r
type: u2
- id: unknown10s
type: u2
- id: unknown10t
type: u1
- id: unknown10u
type: u1
- id: unknown10v
type: u1
- id: elevation
type: f8
doc: 0x0229-0x0230, $ELEVATION
- id: thickness
type: f8
doc: 0x0231-0x0238, $THICKNESS
- id: view_point
type: point_3d
doc: 0x0239-0x0251, $VIEWDIR/10|20|30
- id: unknown_repeating
type: unknown_repeating
doc: 0x0252-0x02e0
- id: unknown29
type: s2
doc: 0x02e1-0x02e2
- id: blip
type: s2
doc: 0x02e3-0x02e4, $BLIPMODE
- id: dim_suppression_of_zeros
type: s1
doc: 0x02e5, $DIMZIN
- id: dim_rounding
type: f8
doc: 0x02e6-0x02ed, $DIMRND
- id: dim_extension_line_extend2
type: f8
doc: 0x02ee-0x02f5, $DIMDLE
- id: dim_arrowhead_block
size: 33
type: str
encoding: ASCII
terminator: 0x00
doc: $DIMBLK
- id: circle_zoom_percent
type: s2
doc: 0x0317-0x0318
- id: coordinates
enum: coordinates
type: s2
doc: 0x0319-0x031a, $COORDS
- id: cecolor
enum: cecolor
type: s2
doc: 256d - bylayer, 0d - byblock, other index (1-255), $CECOLOR
- id: current_linetype
type: s2
doc: 256d - bylayer, 255d - byblock, other index, $CELTYPE
- id: create_date_days
type: u4
doc: $TDCREATE/days
- id: create_date_ms
type: u4
doc: $TDCREATE/ms
- id: update_date_days
type: u4
doc: $TDUPDATE/days
- id: update_date_ms
type: u4
doc: $TDUPDATE/ms
- id: total_editing_time_days
type: u4
doc: $TDINDWG/days
- id: total_editing_time_ms
type: u4
doc: $TDINDWG/ms
- id: user_elapsed_timer_days
type: u4
doc: $TDUSRTIMER/days
- id: user_elapsed_timer_ms
type: u4
doc: $TDUSRTIMER/ms
- id: user_timer
type: s2
doc: 0x033f-0x0340, $USRTIMER
- id: fast_zoom
type: u2
doc: 0x0341-0x0342, $FASTZOOM/70
- id: sketch_type
type: u2
doc: 0x0343-0x0344, $SKPOLY
- id: unknown_date
type: unknown_date
- id: angle_base
type: f8
doc: 0x0353-0x035a, $ANGBASE/50
- id: angle_direction
enum: angle_direction
type: s2
doc: 0x035b-0x035c, $ANGDIR
- id: point_mode
type: s2
doc: 0x035d-0x035e, $PDMODE
- id: point_size
type: f8
doc: $PDSIZE
- id: polyline_width
type: f8
doc: $PLINEWID
- id: user_integer_1
type: s2
doc: 0x035f-0x0360, $USERI1
- id: user_integer_2
type: s2
doc: 0x0361-0x0362, $USERI2
- id: user_integer_3
type: s2
doc: 0x0363-0x0364, $USERI3
- id: user_integer_4
type: s2
doc: 0x0365-0x0366, $USERI4
- id: user_integer_5
type: s2
doc: 0x0367-0x0368, $USERI5
- id: user_real_1
type: f8
doc: $USERR1
- id: user_real_2
type: f8
doc: $USERR2
- id: user_real_3
type: f8
doc: $USERR3
- id: user_real_4
type: f8
doc: $USERR4
- id: user_real_5
type: f8
doc: $USERR5
- id: dim_alternate_units
type: s1
doc: 0x03a1, $DIMALT
- id: dim_alternate_units_decimal_places
type: s1
doc: 0x03a2, $DIMALTD
- id: dim_associative
type: s1
doc: 0x03a3, $DIMASO
- id: dim_sho
type: s1
doc: 0x03a4, $DIMSHO
- id: dim_measurement_postfix
size: 16
type: str
encoding: ASCII
terminator: 0x00
doc: $DIMPOST, TODO And prefix?
- id: dim_alternate_measurement_postfix
size: 16
type: str
encoding: ASCII
terminator: 0x00
doc: $DIMAPOST, TODO And prefix
- id: dim_alternate_units_multiplier
type: f8
doc: 0x03c5-0x03cc, $DIMALTF
- id: dim_linear_measurements_scale_factor
type: f8
doc: 0x03cd-0x03d4, $DIMLFAC
- id: spline_segs
type: s2
doc: 0x03d5-0x03d6, $SPLINESEGS
- id: spline_frame
type: s2
doc: 0x03d7-0x03d8, $SPLFRAME
- id: att_prompting_during_insert
type: u2
doc: 0x03d9-0x03da, $ATTREQ/70
- id: att_entry_dialogs
type: u2
doc: 0x03db-0x03dc, $ATTDIA/70
- id: chamfera
type: f8
doc: 0x03dd-0x04e4, $CHAMFERA/40
- id: chamferb
type: f8
doc: 0x04e5-0x04ec, $CHAMFERB/40
- id: mirror_text
type: s2
doc: 0x03ed-0x03ee, $MIRRTEXT
- id: table_ucs
type: table
- id: unknown37
size: 2
- id: ucs_origin_point
type: point_3d
doc: $UCSORG/10|20|30
- id: ucs_x_dir
type: point_3d
doc: $UCSXDIR/11|21|31 ~ $UCSXORI
- id: ucs_y_dir
type: point_3d
doc: $UCSYDIR/12|22|32 ~ $UCSYORI
- id: target
type: point_3d
doc: $TARGET
- id: lens_length
type: f8
doc: $LENSLENGTH
- id: view_rotation_angle_radians
type: f8
doc: $VIEWTWIST
- id: frontz_z
type: f8
doc: $FRONTZ
- id: backz_z
type: f8
doc: $BACKZ
- id: view_mode
type: u2
doc: $VIEWMODE
- id: dim_tofl
type: u1
doc: 0x047d, $DIMTOFL
- id: dim_arrowhead_block1
size: 33
type: str
encoding: ASCII
terminator: 0x00
doc: $DIMBLK1
- id: dim_arrowhead_block2
size: 33
type: str
encoding: ASCII
terminator: 0x00
doc: $DIMBLK2
- id: dim_arrowhead_blocks_control
type: u1
doc: $DIMSAH
- id: dim_text_between_ext_lines
type: u1
doc: $DIMTIX
- id: dim_arrowhead_suppress
type: u1
doc: $DIMSOXD
- id: dim_text_vertical_position_size
type: f8
doc: $DIMTVP
- id: unknown_string
size: 33
type: str
encoding: ASCII
terminator: 0x00
- id: handling
type: u2
doc: $HANDLING
- id: handseed
type: u8be
doc: $HANDSEED, in hex
- id: surfu
type: u2
doc: $SURFU
- id: surfv
type: u2
doc: $SURFV
- id: surftype
type: u2
doc: $SURFTYPE
- id: surftab1
type: u2
doc: $SURFTAB1
- id: surftab2
type: u2
doc: $SURFTAB2
- id: table_vport
type: table
- id: flatland
type: u2
doc: 0x050a-0x050b, $FLATLAND
- id: spline_type
type: u2
enum: spline_type
doc: 0x050c-0x050d, $SPLINETYPE
- id: ucs_icon
type: u2
doc: $UCSICON
- id: unknown47
type: u2
- id: table_appid
type: table
doc: 0x0512-0x051c
- id: world_view
type: u2
doc: 0x051d-0x051e, $WORLDVIEW/70
- id: unknown49a
type: u2
- id: unknown49b
type: u2
- id: table_dimstyle
type: table
- id: unknown49c
size: 5
- id: dim_line_color
type: u2
doc: $DIMCLRD_C/70
- id: dim_clre_c
type: u2
doc: $DIMCLRE_C/70
- id: dim_clrt_c
type: u2
doc: $DIMCLRT_C/70
- id: shade_edge
type: u2
doc: $SHADEDGE/70
- id: shade_dif
type: u2
doc: $SHADEDIF/70
- id: unit_mode
type: u2
doc: $UNITMODE/70
- id: unknown50
size: 10
- id: unknown51
type: f8
- id: unknown52
type: f8
- id: unknown53
type: f8
- id: unknown_unit1
size: 32
type: str
encoding: ASCII
terminator: 0x00
- id: unknown_unit2
size: 32
type: str
encoding: ASCII
terminator: 0x00
- id: unknown_unit3
size: 32
type: str
encoding: ASCII
terminator: 0x00
- id: unknown_unit4
size: 32
type: str
encoding: ASCII
terminator: 0x00
- id: dim_tfac
type: f8
doc: $DIMTFAC/40
- id: p_ucs_org
type: point_3d
doc: $PUCSORG/10
- id: p_ucs_xdir
type: point_3d
doc: $PUCSXDIR/11
- id: p_ucs_ydir
type: point_3d
doc: $PUCSXDIR/12
- id: unknown55
type: u2
- id: tile_mode
type: u1
doc: $TILEMODE/70
- id: plim_check
type: u2
doc: $PLIMCHECK/70
- id: unknown56
type: u2
- id: unknown57
type: u1
- id: p_ext_min
type: point_3d
doc: $PEXTMIN/10
- id: p_ext_max
type: point_3d
doc: $PEXTMAX/10
- id: p_lim_min
type: point_2d
doc: $PLIMMIN/10
- id: p_lim_max
type: point_2d
doc: $PLIMMAX/10
- id: p_insertion_base
type: point_3d
doc: $PINSBASE/10|20|30
- id: table_vx
type: table
doc: 0x069f-0x06a8
- id: max_actvp
type: u2
doc: $MAXACTVP/70
- id: dim_gap
type: f8
doc: $DIMGAP/40
- id: p_elevation
type: f8
doc: $PELEVATION/40
- id: vis_retain
type: u2
doc: $VISRETAIN/70
- id: unknown59
size: 18
doc: 7ef
instances:
create_date:
value: create_date_days + (create_date_ms / 86400000.0)
update_date:
value: update_date_days + (update_date_ms / 86400000.0)
unknown_repeating:
seq:
- id: unknown_repeating1
type: f8
- id: unknown_repeating2
type: f8
- id: unknown_repeating3
type: f8
- id: unknown_repeating4
type: f8
- id: unknown_repeating5
type: f8
- id: unknown_repeating6
type: f8
- id: unknown_repeating7
type: f8
- id: unknown_repeating8
type: f8
- id: unknown_repeating9
type: f8
- id: unknown_repeating10
type: f8
- id: unknown_repeating11
type: f8
- id: unknown_repeating12
type: f8
- id: unknown_repeating13
type: f8
- id: unknown_repeating14
type: f8
- id: unknown_repeating15
type: f8
- id: unknown_repeating16
type: f8
- id: unknown_repeating17
type: f8
- id: unknown_repeating18
type: f8
unknown_date:
seq:
- id: month
type: u2
- id: day
type: u2
- id: year
type: u2
- id: hour
type: u2
- id: minute
type: u2
- id: second
type: u2
- id: ms
type: u2
entity:
seq:
- id: entity_type
type: s1
enum: entities
- id: data
type:
switch-on: entity_type
cases:
'entities::arc': entity_arc
'entities::attdef': entity_attdef
'entities::attrib': entity_attrib
'entities::block': entity_block
'entities::endblk': entity_endblk
'entities::seqend': entity_seqend
'entities::insert' : entity_insert
'entities::minsert' : entity_minsert
'entities::circle': entity_circle
'entities::face3d': entity_face3d
'entities::line': entity_line
'entities::point': entity_point
'entities::polyline_2d': entity_polyline_2d
'entities::polyline_3d': entity_polyline_3d
'entities::shape': entity_shape
'entities::solid': entity_solid
'entities::text': entity_text
'entities::trace': entity_trace
'entities::vertex_2d': entity_vertex_2d
'entities::vertex_3d': entity_vertex_3d
'entities::vertex_mesh': entity_vertex_mesh
'entities::vertex_pface': entity_vertex_pface
'entities::vertex_pface_pface': entity_vertex_pface_pface
'entities::dimension_ordinate': entity_dimension_ordinate
'entities::dimension_linear': entity_dimension_linear
'entities::dimension_aligned': entity_dimension_aligned
'entities::dimension_ang3pt': entity_dimension_ang3pt
'entities::dimension_ang2ln': entity_dimension_ang2ln
'entities::dimension_radius': entity_dimension_radius
'entities::dimension_diameter': entity_dimension_diameter
'entities::polyline_pface': entity_polyline_pface
'entities::polyline_mesh': entity_polyline_mesh
'entities::viewport': entity_viewport
'entities::ellipse': entity_ellipse
'entities::spline': entity_spline
'entities::region': entity_region
'entities::solid3d': entity_solid3d
'entities::body': entity_body
'entities::ray': entity_ray
'entities::xline': entity_xline
'entities::dictionary': object_dictionary
'entities::oleframe': entity_oleframe
'entities::mtext': entity_mtext
'entities::leader': entity_leader
'entities::tolerance': entity_tolerance
'entities::mline': entity_mline
'entities::block_control': object_block_control
'entities::block_header': object_block_header
'entities::layer_control': object_layer_control
'entities::layer': object_layer
'entities::style_control': object_style_control
'entities::style': object_style
'entities::ltype_control': object_ltype_control
'entities::ltype': object_ltype
'entities::view_control': object_view_control
'entities::view': object_view
'entities::ucs_control': object_ucs_control
'entities::ucs': object_ucs
'entities::vport_control': object_vport_control
'entities::vport': object_vport
'entities::appid_control': object_appid_control
'entities::appid': object_appid
'entities::dimstyle_control': object_dimstyle_control
'entities::dimstyle': object_dimstyle
'entities::vx_control': object_vx_control
'entities::vx_table_record': object_vx_table_record
'entities::group': object_group
'entities::mlinestyle': object_mlinestyle
'entities::ole2frame': entity_ole2frame
'entities::dummy': object_dummy
'entities::long_transaction': object_long_transaction
'entities::lwpolyline': entity_lwpolyline
'entities::hatch': entity_hatch
'entities::xrecord': object_xrecord
'entities::placeholder': object_placeholder
'entities::vba_project': object_vba_project
'entities::layout': object_layout
'entities::proxy_entity': entity_proxy
'entities::proxy_object': object_proxy