minor change make section disappear entirely

[StephanMoeller]

When having a -1 on line 253, the left thumb section shows up perfectly. But if I remove the -1, it disappears. See screenshots.

Config:

units:
  # Proxy Spacing Variables
  kx: cx
  ky: cy
  # Padding Variables
  px: kx+2
  py: ky+2
  hx: 0.5px
  hy: 0.5py
  hole_x: 14.10
  hole_y: 13.60
  splay_amount: 0
  side_rotation: 11
  snake: 9
  mini_snake: 6
  fillet_amount: 0
  air: 1.5
  $default_width: 18 # UI only thing
  $default_height: 17 # UI only thing
points:
  zones:
    matrix:
      key:
        padding: 1ky
        spread: 1kx
      columns:
        pinky:
          rows.bottom.skip: true
          key.column_net: P14
        ring:
          key:
            stagger: 12.5
            column_net: P16
            splay: -splay_amount
        middle:
          key:
            stagger: 6.8
            column_net: P10
            splay: -splay_amount
        index:
          key.stagger: -7
          key.column_net: P7
        inner: 
          key.stagger: -3
          key.column_net: P8
          
          #key.stoger: -5
      rows:
        bottom:
          row_net: P15
          mirror.row_net: P6
        home:
          row_net: P18
          mirror.row_net: P5
        top:
          row_net: P19
          mirror.row_net: P4
      
      # Fix placement on KiCAD sheet.
      anchor:
        shift: [100, -100]
    thumbs:
      anchor:
        ref: matrix_middle_home
        shift: [18, -45]
      columns:
        tucky:
          key.splay: 0
          key.shift: [-7, -16]
          rows.single.skip: true #hide for now
        center:
          key.splay: -27
          key.shift: [5, -20]
        reachy:
          key.splay: -20
          key.shift: [18, -19]
          key.column_net: P9
          rows.single.skip: true #hide for now
      rows:
        single:
          row_net: P15
          mirror.row_net: P6
  rotate: -side_rotation
  mirror: &mirror
    ref: matrix_inner_top
    distance: 86
outlines:
  raw:
    - what: rectangle 
      where: true
      size: [kx, ky]

  keys_holes:
    - what: rectangle
      where: true
      size: [hole_x,hole_y]
  board:
    
    # side => center <= side
    - what: polygon
      #operation: stack
      points:
        - ref: matrix_inner_top
          shift: [hx,hy]
        - ref: matrix_inner_top
          shift: [snake+hx,hy]
        - ref: matrix_inner_top
          shift: [snake+hx,-2.3py+snake]
        - ref: matrix_inner_top
          shift: [snake+hx+air,-2.3py+snake]

        - ref: matrix_inner_top
          shift: [snake+air+hx,0]
        - ref: matrix_inner_top
          shift: [snake+air+1.2px,0]
        - ref: mirror_matrix_inner_top
          shift: [snake+air+1.2px,0]
        - ref: mirror_matrix_inner_top
          shift: [snake+air+hx,0]

        - ref: mirror_matrix_inner_top
          shift: [snake+hx+air,-2.3py+snake]
        - ref: mirror_matrix_inner_top
          shift: [snake+hx,-2.3py+snake]
        - ref: mirror_matrix_inner_top
          shift: [snake+hx,0.5py]
        - ref: mirror_matrix_inner_top
          shift: [hx,hy]

        - ref: mirror_matrix_inner_top
          shift: [hx,hy-snake]
        - ref: mirror_matrix_inner_top
          shift: [hx+air,hy-snake]
        - ref: mirror_matrix_inner_top
          shift: [hx+air,-2.3py]
        - ref: mirror_matrix_inner_top
          shift: [hx+2*snake,-2.3py]
        - ref: mirror_matrix_inner_top
          shift: [2*snake+hx,-snake]
        - ref: mirror_matrix_inner_top
          shift: [2*snake+hx+air,-snake]
        - ref: mirror_matrix_inner_top
          shift: [2*snake+hx+air,-2.3py] 

        - ref: matrix_inner_top
          shift: [2*snake+hx+air,-2.3py]
        - ref: matrix_inner_top
          shift: [2*snake+hx+air,-snake]
        - ref: matrix_inner_top
          shift: [2*snake+hx,-snake]
        - ref: matrix_inner_top
          shift: [hx+2*snake,-2.3py]
        - ref: matrix_inner_top
          shift: [hx+air,-2.3py]
        - ref: matrix_inner_top
          shift: [hx+air,hy-snake]
        - ref: matrix_inner_top
          shift: [hx,hy-snake]

        #- ref: mirror_matrix_inner_bottom
        #  shift: [0.5px,-0.5py]
        #- ref: matrix_inner_bottom
        #  shift: [0.5px,-0.5py]

    # finger area
    - what: rectangle  
      #operation: stack
      where: true
      size: [px, py] 

    # filling gaps in the splay area
    - what: polygon
      #operation: stack
      points:
      - ref: matrix_pinky_top
        shift: [hx, hy]
      - ref: matrix_pinky_top
        shift: [px, hy]
      - ref: matrix_pinky_home
        shift: [px, -hy]
      - ref: matrix_pinky_home
        shift: [hx, -hy]
    - what: polygon
      #operation: stack
      points:
      - ref: matrix_ring_top
        shift: [hx, hy]
      - ref: matrix_ring_top
        shift: [px, hy]
      - ref: matrix_middle_bottom
        shift: [hx, -hy]
      - ref: matrix_middle_bottom
        shift: [-hx, -hy]
    - what: polygon
      #operation: stack
      points:
      - ref: mirror_matrix_pinky_top
        shift: [hx, hy]
      - ref: mirror_matrix_pinky_top
        shift: [px, hy]
      - ref: mirror_matrix_pinky_home
        shift: [px, -hy]
      - ref: mirror_matrix_pinky_home
        shift: [hx, -hy]
    - what: polygon
      #operation: stack
      points:
      - ref: mirror_matrix_ring_top
        shift: [hx, hy]
      - ref: mirror_matrix_ring_top
        shift: [px, hy]
      - ref: mirror_matrix_middle_bottom
        shift: [hx, -hy]
      - ref: mirror_matrix_middle_bottom
        shift: [-hx, -hy]
      fillet: fillet_amount

    - what: polygon
      #operation: stack
      points:
      
      - ref: thumbs_center_single
        shift: [hx, hy+air+mini_snake]
      - ref: thumbs_center_single
        shift: [-hx+mini_snake, hy+air+mini_snake]
      - ref: thumbs_center_single
        shift: [-hx+mini_snake, hy+air+mini_snake+air]
      - ref: thumbs_center_single
        shift: [hx, hy+mini_snake+air+air]
      - ref: thumbs_center_single
        shift: [hx, hy+mini_snake+air+air+mini_snake]

    - what: polygon
      #operation: stack
      points:
      
      - ref: thumbs_center_single
        shift: [hx, hy+air+mini_snake]
      - ref: thumbs_center_single
        shift: [-hx+mini_snake, hy+air+mini_snake+air]
      - ref: thumbs_center_single
        shift: [hx, hy+mini_snake+air+air]
      - ref: thumbs_center_single
        shift: [hx, hy+mini_snake+air+air+mini_snake]

    - what: polygon
      operation: stack
      points:
      - ref: thumbs_center_single
        shift: [hx, hy]
      - ref: thumbs_center_single
        shift: [hx, hy+air+mini_snake] #add -1 here to see it show up just fine
      - ref: thumbs_center_single
        shift: [hx+5, hy+2]
      

      fillet: fillet_amount
  combo:
    - name: board
    - operation: subtract
      name: keys_holes
pcbs:
  board_pcb:
    outlines:
      main:
        outline: board
    footprints:
      choc_hotswap:
        what: choc
        where: true
        params:
          keycaps: true
          reverse: false
          hotswap: true
          from: "{{column_net}}"
          to: "{{colrow}}"
      diode:
        what: diode
        where: true
        params:
          from: "{{colrow}}"
          to: "{{row_net}}"
        adjust:
          shift: [0, -5]
      promicro:
        what: promicro
        params:
          orientation: "up"
        where:
          ref.aggregate.parts: [matrix_inner_top, mirror_matrix_inner_top]
          shift: [0,-30]
          rotate: -90

[stephaninmobile]

adding "operation: stack" when the thumb is not showing seems to make it appear visually again.

[snyokang]

I have this problem too, when some lines are overlapping (or close) to another.