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# Can be viewed in: https://ide.kaitai.io/## This file is a formal specification of the binary format used in Altium.# Files need to manually extracted using a program which can read the Microsoft Compound File Format.## While I do not create a parser using this file, it is still very helpful to understand the binary# format.
meta: id: altium_binary endian: le encoding: ISO8859-1
seq: - id: record type: record repeat: eos
# https://github.com/thesourcerer8/altium2kicad/blob/master/convertpcb.pl#L1291types: record: seq: - id: recordtype type: u1 enum: record_id - id: record type: switch-on: recordtype cases: record_id::arc6: arc record_id::pad6: pad record_id::via6: via record_id::track6: track record_id::text6: text record_id::fill6: fill record_id::region6: region
arc: seq: - id: sub1_len type: u4 - id: data type: arc_sub1 size: sub1_len
arc_sub1: seq: - id: layer type: u1 - #id: flags_u7 type: b1 - #id: flags_u6 type: b1 - #id: flags_u5 type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - id: is_not_polygonoutline type: b1 - #id: flags_u0 type: b1 - id: is_keepout type: u1 # KEEPOUT = 2 - id: net type: u2 - id: subpolyindex type: u2 - id: component type: u2 - size: 4 - id: center type: xy - id: radius type: u4 - id: start_angle type: f8 - id: end_angle type: f8 - id: width type: u4
pad: seq: - id: sub1_len type: u4 - id: designator type: pad_sub1 size: sub1_len - id: sub2_len type: u4 - size: sub2_len - id: sub3_len type: u4 - size: sub3_len - id: sub4_len type: u4 - size: sub4_len - id: sub5_len type: u4 - id: size_and_shape type: pad_sub5 size: sub5_len - id: sub6_len type: u4 - id: size_and_shape_by_layer type: pad_sub6 size: sub6_len if: sub6_len > 0
pad_sub1: seq: - id: name_len # = len-1? type: u1 - id: name type: str size: name_len
pad_sub5: seq: - id: layer # $pos+23 type: u1 enum: layer - id: test_fab_top type: b1 - id: tent_bottom type: b1 - id: tent_top type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - #id: flags_u1 type: b1 - #id: flags_u0 type: b1 - #id: flags2_u7 type: b1 - #id: flags2_u6 type: b1 - #id: flags2_u5 type: b1 - #id: flags2_u4 type: b1 - #id: flags2_u3 type: b1 - #id: flags2_u2 type: b1 - #id: flags2_u1 type: b1 - id: test_fab_bottom type: b1 #- id: u # size: 1 - id: net # $pos+26 type: u2 - size: 2 - id: component # $pos+30 type: u2 - size: 4 - id: position # $pos+36, $pos+40 type: xy - id: topsize # $pos+44, $pos+48 type: xy - id: midsize # $pos+52, $pos+56 type: xy - id: botsize # $pos+60, $pos+64 type: xy - id: holesize # $pos+68 type: u4 - id: topshape # $pos+72 type: u1 enum: pad_shape - id: midshape # $pos+73 type: u1 enum: pad_shape - id: botshape # $pos+74 type: u1 enum: pad_shape - id: direction # $pos+75 type: f8 - id: plated # $pos+83 type: u1 enum: boolean - size: 1 - id: pad_mode # $pos+85 type: u1 enum: pad_mode - size: 5 - id: ccw # $pos+91 type: u4 - id: cen # $pos+95 type: u1 - size: 1 - id: cag # $pos+97 type: u4 - id: cpr # $pos+101 type: u4 - id: cpc # $pos+105 type: u4 - id: pastemaskexpanionmanual type: s4 - id: soldermaskexpansionmanual # $pos+113 type: s4 - id: cpl # $pos+117 type: u1 - size: 6 - id: pastemaskexpansionmode # $pos+124 type: u1 enum: pad_mode_rule - id: soldermaskexpansionmode # $pos+125 type: u1 enum: pad_mode_rule - size: 3 - id: holerotation # $pos+129 type: f8 - size: 4 - id: testpoint_assembly_top type: u1 enum: boolean - id: testpoint_assembly_bottom type: u1 enum: boolean
pad_sub6: seq: - id: x type: s4 repeat: expr repeat-expr: 29 - id: y type: s4 repeat: expr repeat-expr: 29 - id: shape type: u1 enum: pad_shape repeat: expr repeat-expr: 29 - size: 1 - id: hole_type type: u1 enum: pad_hole_type - id: slot_length type: s4 - id: slot_rotation type: f8 - id: holeoffset_x type: s4 repeat: expr repeat-expr: 32 - id: holeoffset_y type: s4 repeat: expr repeat-expr: 32 - size: 1 - id: shape_alt type: u1 enum: pad_shape_alt repeat: expr repeat-expr: 32 - id: corner_radius type: u1 repeat: expr repeat-expr: 32 - size: 32
via: seq: - id: sub1_len type: u4 - id: data type: via_sub1 size: sub1_len
via_sub1: seq: - size: 1 - id: test_fab_top type: b1 - id: tent_bottom type: b1 - id: tent_top type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - #id: flags_u1 type: b1 - #id: flags_u0 type: b1 - #id: flags2_u7 type: b1 - #id: flags2_u6 type: b1 - #id: flags2_u5 type: b1 - #id: flags2_u4 type: b1 - #id: flags2_u3 type: b1 - #id: flags2_u2 type: b1 - #id: flags2_u1 type: b1 - id: test_fab_bottom type: b1 - id: net type: u2 - size: 2 - id: component type: u2 - size: 4 - id: pos # 13 type: xy - id: diameter # 21 type: s4 - id: holesize # 29 type: s4 - id: start_layer type: u1 enum: layer - id: end_layer type: u1 enum: layer - size: 43 - id: via_mode type: u1 enum: pad_mode - id: diameter_alt type: s4 repeat: expr repeat-expr: 32
track: seq: - id: sub1_len type: u4 - id: data type: track_sub1 size: sub1_len
track_sub1: seq: - id: layer type: u1 enum: layer - #id: flags_u7 type: b1 - #id: flags_u6 type: b1 - #id: flags_u5 type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - id: is_not_polygonoutline type: b1 - #id: flags_u0 type: b1 - id: is_keepout type: u1 # KEEPOUT = 2 - id: net type: u2 - id: subpolyindex type: u2 - id: component type: u2 - size: 4 - id: start # 13 type: xy - id: end # 21 type: xy - id: width # 29 type: s4
text: seq: - id: sub1_len type: u4 - id: properties type: text_sub1 size: sub1_len - id: sub2_len type: u4 - id: text type: text_sub2 size: sub2_len
text_sub1: seq: - id: layer type: u1 - #id: flags_u7 type: b1 - #id: flags_u6 type: b1 - #id: flags_u5 type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - #id: flags_u1 type: b1 - #id: flags_u0 type: b1 - size: 1 - id: net type: u2 - size: 2 - id: component type: u2 - size: 4 - id: pos type: xy - id: height type: u4 - id: font_name_id type: u1 - size: 1 - id: rotation type: f8 - id: mirrored type: u1 enum: boolean - id: strokewidth type: u4 - id: is_comment type: u1 enum: boolean - id: is_designator type: u1 enum: boolean - size: 4 - id: font_name size: 64 type: str # TODO: terminates with [0, 0] encoding: UTF-16 - size: 22 - id: position type: u1 enum: text_position - size: 27 - id: truetype type: u1 enum: boolean - id: barcode_name size: 64 type: str # TODO: terminates with [0, 0] encoding: UTF-16
text_sub2: seq: - id: len type: u1 - id: name type: str size: len
fill: seq: - id: sub1_len type: u4 - id: data type: fill_sub1 size: sub1_len
fill_sub1: seq: - id: layer type: u1 - #id: flags_u7 type: b1 - #id: flags_u6 type: b1 - #id: flags_u5 type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - #id: flags_u1 type: b1 - #id: flags_u0 type: b1 - id: is_keepout type: u1 # KEEPOUT = 2 - id: net type: u2 - size: 2 - id: component type: u2 - size: 4 - id: pos1 type: xy - id: pos2 type: xy - id: rotation type: f8
region: seq: - id: sub1_len type: u4 - id: data type: region_sub1 size: sub1_len
region_sub1: seq: - id: layer type: u1 - #id: flags_u7 type: b1 - #id: flags_u6 type: b1 - #id: flags_u5 type: b1 - #id: flags_u4 type: b1 - #id: flags_u3 type: b1 - id: is_not_locked type: b1 - #id: flags_u1 type: b1 - #id: flags_u0 type: b1 - id: is_keepout type: u1 # KEEPOUT = 2 - id: net type: u2 - size: 2 - id: component type: u2 - size: 5 - id: holecount # TODO: check type: u2 - size: 2 - id: propterties_len type: u4 - id: properties size: propterties_len type: str - id: vertices_num type: u4 - id: vertices # region1 type repeat: expr repeat-expr: vertices_num type: xyf #- id: vertices2 # region2 type # repeat: expr # repeat-expr: vertices_num+1 # type: xyf2
xy: seq: - id: x type: s4 - id: y type: s4
xyf: # no idea why two different formats? seq: - id: x type: f8 - id: y type: f8
xyf2: # no idea why two different formats? seq: - id: is_round type: u1 enum: boolean - id: position type: xy - id: center type: xy - id: radius type: u4 - id: angle1 type: f8 - id: angle2 type: f8
enums: record_id: 0x01: arc6 0x02: pad6 0x03: via6 0x04: track6 0x05: text6 0x06: fill6 0x0b: region6
boolean: 0: false 1: true
pad_shape: 0: unknown 1: circle 2: rect 3: octagonal
pad_shape_alt: 0: unknown 1: round 2: rect 3: octagonal 9: roundrectangle
pad_hole_type: 0: normal 1: square 2: slot
pad_mode: 0: simple 1: top_middle_bottom 2: full_stack
pad_mode_rule: 0: unknown 1: rule 2: manual
text_position: 1: left_top 2: left_center 3: left_bottom 4: center_top 5: center_center 6: center_bottom 7: right_top 8: right_center 9: right_bottom
layer: 1: f_cu 32: b_cu
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