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HP.1 pin wrong-ring walk (Curve HotPixel, OV-P2) - #26

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HP.1 pin wrong-ring walk (Curve HotPixel, OV-P2)#26
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@grootstebozewolf grootstebozewolf commented Aug 16, 2026

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Stacked on #25 @ 8d1546a. Sibling of P2.5.5, not the 74-file blast.

HP.0 done (P2.5.4 stamp). This is HP.1 only.

What the test pins

A local signed-curvature leave-angle order at (0, 5) walked the wrong rings: area 18.42, not the H-SHELL-N-ODD N=2 pair-kit 42.84 (13π+2). That is not a laser. testCurvatureOrderWalksWrongRings keeps the P2.5.4 named stamp (testN3TangentStampsNull / missReason P2.5.4 tangent leave-angle) and fails the build if that stamp is turned into a curvature-order “laser” without changing this pin.

HALF_DISC and STADIUM_ODD leave (0, 5) at the same angle (ANGLE_EPS = 1e-8) with different signed curvature — the 70c72c0 tie-break. No noder. No CurveHotPixel. No snap of leave-angles. No face walk after a fake order.

Never list (catalog)

  • intersectsScaled on a chord
  • curvature-order walk
  • densify-then-snap flagged exact
  • edit noding.snapround

What this is not

Verify

Same suite as #25. Slack 15%. OverlayNGCurve never Curved. All green after this revision:

  • CurveSegmentStringTest 25 / 0 (testN3TangentStampsNull unchanged; testCurvatureOrderWalksWrongRings is the HP.1 pin)
  • CompoundCurveShellOverlayTest 27 / 0
  • CircularArcOverlayTest 11 / 0
  • CircularDiscOverlayTest 12 / 0
  • CircularDiscPolygonOverlayTest 7 / 0
  • CircularLineOverlayTest 7 / 0
  • OverlayNGCurvePhase0Test 19 / 0
  • OverlayNGCurveRatchetTest 50 / 0
  • OverlayNGCurvePerfGateTest 82 / 0 (15% slack)
  • Naming-guard OK; Checkstyle 0 violations; PMD check on jts-curve succeeded
mvn -pl modules/curve -am test -DfailIfNoTests=false -Dcheckstyle.skip=true -Dpmd.skip=true \
  -Dtest=CurveSegmentStringTest,CompoundCurveShellOverlayTest,CircularArcOverlayTest,CircularDiscOverlayTest,CircularDiscPolygonOverlayTest,CircularLineOverlayTest,OverlayNGCurvePhase0Test,OverlayNGCurveRatchetTest,OverlayNGCurvePerfGateTest
bash dev/check-no-curved.sh
mvn -pl modules/curve checkstyle:check
mvn -pl modules/curve pmd:check

No noder was written. P2.5.4 stamp unchanged. HP.2 / P2.5.5 were not started.

Open in Web Open in Cursor 

Coincident leave-angles at (0, 5) ordered by signed curvature
walked H-SHELL-N-ODD to 18.42, not the pair-kit 13π+2. That is
not a laser. P2.5.4 stamp stays. Not a HotPixel, not a noder.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>
cursor Bot pushed a commit that referenced this pull request Aug 17, 2026
ClothoidOverlay answers 0-node identity/disjoint/nest cells; Fresnel
misses return null (never chord-flatten). Wire through
CompoundCurveShellOverlay; refuse clothoid members in TwoNodeClip /
CircularLineOverlay flatten. HP.1 wrong-ring walk pin docs + tests.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>
cursor Bot pushed a commit that referenced this pull request Aug 17, 2026
Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>
grootstebozewolf added a commit that referenced this pull request Aug 17, 2026
* feat: Option B SegmentKind + linearization strategy + WKB 18–21 codes

MMF spine for locationtech#1195 on fork #7:
- Option B: SegmentKind (LINEARIZED/ARC/CERTIFIED), CircularNodedSegmentString,
  default methods on SegmentString, IntersectionAdder mayCollapseToChord,
  EdgeNodingBuilder/OverlayNG prepared exact edges (from #27 seed).
- CurveLinearizationStrategy: default LINEARIZED always warns; PRESERVE keeps type.
- WKBConstants zoo SIGN: Clothoid=18, Bezier=19, Ellipse=20, Nurbs=21.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: WKB 18 CRV-CLOTHOID greenfield round-trip

Signed zoo type 18: GeometryFactory.createClothoid stub,
CurveGeometryFactory + ClothoidSegment, WKBReader layout
(startXY[ZM] + tangent + κ0 + κ1 + L), CurveWKBWriter emit,
core writer refuses flatten. ISO 1018 type word covered.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: OverlayNG-for-circles R-OV (Option B) + curve segment bridge

Fold #27 OverlayNGCircle / CircleNoder, CurveSegmentString/Noder/Faces,
BiteVsHole, TwoHoleOverlay onto #7 tip. OverlayNGCurve R-OV dispatches
H-SHELL-N-MIXED via CircularNodedSegmentString. 112 overlay/strategy
tests green including OverlayNGCircleTest 7/7.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: OFF concentric OffsetCurve for single-arc CircularString

Public OffsetCurve.getCurve lasers three-point CircularString to a
concentric arc (left-of-direction sign: CCW +d inward). Collapse to
empty when r'<=0. Multi-arc stays chordsaw. CurveWKTReader defaults to
CurveGeometryFactory. Ship: drop CurveAwarenessSpecTest#test_OFF_*.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: WKB 19–21 BezierCurve EllipseCurve NurbsCurve greenfield

PRF-BEZIER / PRF-ELLIPSE / CRV-NURBS types with factory stubs,
WKBReader/CurveWKBWriter layouts, Linearizable.toLinear, ISO type
words, and round-trip tests. Core writer refuses flatten.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: BUF-1/BUF-NEG open-arc buffer corridor laser

Single-arc CircularString.buffer(d>0) returns CurvePolygon with
CompoundCurve shell (outer, end-cap, inner-rev, start-cap). BUF-NEG:
d<0 and |d|>=R yields EMPTY. Ship meter methods for BUF-1 and BUF-NEG.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: fold HP.2/HP.3 CurveHotPixel + snap headings onto MMF tip

CurveHotPixel (arc ∩ pixel, PM scale) and CurveHotPixelSnap (shared
snapped ray stamp) from the HP pin stack. Option B index lie stays
keyed to PrecisionModel scale. Six green pins.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* spec: retip epic to MMF Option B + WKB 18-21 SIGN

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* spec: epic field contract names Option B and no silent linearize

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: fold CurveSegmentDcel (P2.5.7) onto MMF tip

Package-private curve DCEL for PLG/COV consumers. Half-edges /
twins / next / face stay in jts-curve. Ten green Dcel tests.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* fix: TB-FN #60 Exec stays on selected function, not Buffer

getMetaFunction prefers currentFunc over tree selection so focusing
the shared dX/Distance param field cannot re-bind Exec to
Buffer.buffer. Null-safe functionChanged; param fields request focus
on press. Refs #60.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: BUF-N stadium CompoundCurve buffer subset

Certified stadium CurvePolygon (and closed stadium CompoundCurve)
dilates with arc-preserving caps at r+d and re-joined sides. Open
mixed CompoundCurve corridors stay named miss / chainsaw.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* fix: VBF honesty densify curve inputs via CurveOps.linearise

VariableBuffer samples chord vertices; curve A/B densify with the
explicit strategy warning instead of silent control-polygon flatten.
Full arc-length VBF TAG meter stays red.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* spec: epic §4.0 MMF Option B landed table + MMF_OPTION_B.md

Document Option B, strategy, WKB 18–21, OFF/BUF, R-OV, HP, DCEL,
TB-FN #60, VBF honesty, and #56 test locks. README points at the
quality-gate note. CurvePolygonToolTest 16/16 green on tip.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* doc: README cites WKB 18-21 zoo and MMF Option B gate

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* fix: CompoundCurve/CurvePolygon translate visits all member controls

Fold #59 apply honesty onto MMF tip: Affine/MoveTool translation no
longer drops later CircularString starts omitted from concatMembers.
LogoLines translate tests green.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: BUF-N open two-member line+arc CompoundCurve corridor

Buffer of COMPOUNDCURVE (LineString, CircularString) builds left/right
parallels with round joins and end caps as a CurvePolygon shell.
Ships BUF-N meter (stadium subset already landed).

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* spec: epic notes BUF-N open corridor ship

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: BUF-N open CompoundCurve corridor for N members

Generalize open mixed buffer to any count of single-segment /
single-arc members with round joins between pieces and end caps.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: VBF arc-length densify via CurveOps.lineariseArcLength

CircularString/CompoundCurve feed VariableBuffer after equal-arc-length
sampling (not control-chord length). Strategy warning retained; meter
stays for arc-preserving variable offsets.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: DSF Densifier→toLinear + TRI-DT/VR curve site densify

Densifier.densify routes jts-curve Linearizable types through
toLinear so samples lie on the arc. Delaunay/Voronoi setSites use
the same path for curve-package geometries. Ship DSF, TRI-DT, TRI-VR
meters.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* spec: epic notes DSF and TRI-DT/VR ships

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: ship green meters + AT-NS densify + public CurveIntersection

Ship M-LEN-CS/CC, M-AREA-CP, M-DIM, F-MC/MS, B-CC, H-CV, R-EQ, AT-S,
AT-NS, D-PT, N-AA, N-AL with CurveAwarenessGreenMetersTest. Non-similarity
AffineTransformation densifies curve types. CurveIntersection wraps
arc-arc / arc-line solvers.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: F-CP compound rings, LRF-LEN arc extractPoint, ship B-CP/B-MS

CurveWKTReader parses ISO CURVEPOLYGON ((CIRCULARSTRING, ...)) as
CompoundCurve shell. LengthIndexedLine uses CurveOps analytical arc
length for curve types. Ship F-CP, B-CP, B-MS, LRF-LEN meters.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: C-LIN centroid, S-* preserve CS, ship OV/D-*/R-CONT/F-RD/TB-T

CircularString arc-length centroid (2R/π). Simplifiers keep 3-point
CircularString identity. Ship F-RD, D-AA, D-OP, R-CONT, OV, C-LIN,
C-AREA, V-CS, S-DP/VW/TP, TB-T meters with green verification.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: LRF-LOC CompoundCurve members, C-IP densify, PRC-SN preserve

LinearIterator treats CompoundCurve members as components (LRF-LOC).
InteriorPointArea densifies curve-package polygons before scanning (C-IP).
GeometryPrecisionReducer preserves CircularString when snapped centre
lies on the FIXED grid, else densifies then reduces (PRC-SN).

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: V-CP densify validity, N-SS/R-PR meters, TB-FN badges

CurvePolygon.isValid densifies structural rings before IsValidOp.
Ship N-SS (CircularNodedSegmentString ARC) and R-PR DE-9IM meters.
Metadata.curveAwareness drives ●/◯/✕ badges in the function tree.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: VBF VariableBuffer densifies curves via arc-length

VariableBuffer.buffer reflects into CurveOps.lineariseArcLength so
distance interpolation follows arc parameter (strategy + warn).

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: H-CC densify ConcaveHull sites; PLG densify Polygonizer edges

ConcaveHull densifies curve-package inputs at hull fraction 1e-4 so
sites follow the arc. Polygonizer.add densifies CompoundCurve /
CircularString linework before graph insert (faces remain Polygon).

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: mark HullFunctions concaveHull length-ratio as curve passthrough

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: refresh MMF_OPTION_B shipped meters and HOLD

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: COV CurveCoverageUnion keeps exterior CIRCULARSTRINGs

Dissolve shared shell members across a hole-free CurvePolygon
coverage; stitch remaining edges into CurvePolygon/MultiSurface.
CoverageUnion reflects into CurveCoverageUnion before densify path.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: mark COV shipped in MMF_OPTION_B

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: TestBuilder curve strategy picker + warn sink to Log tab

CurveLinearizationStrategy.WarnSink bridges densify warnings into the
TestBuilder Log panel. Edit menu toggles LINEARIZED vs PRESERVE.
Retip epic §4.0 with COV/PLG/H-CC meter ship status.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: retip epic to bd1dba0

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: tip SHA + MMF TestBuilder WarnSink note

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: sync epic tip SHA to 6f9ae15

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: D-HF densify curve package inputs on general Hausdorff path

Certified apex/disc pairs keep closed form. Other curve operands
densify before the vertex path so control chords are not the sample.
Full TAG meter remains fail() by design.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: note D-HF densify honesty + folded #52/#55 pins

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: fold #40 ClothoidOverlay kit + #26 HP.1 pin docs/tests

ClothoidOverlay answers 0-node identity/disjoint/nest cells; Fresnel
misses return null (never chord-flatten). Wire through
CompoundCurveShellOverlay; refuse clothoid members in TwoNodeClip /
CircularLineOverlay flatten. HP.1 wrong-ring walk pin docs + tests.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: note #40 ClothoidOverlay and #26 HP.1 fold

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: cherry-pick #47 LaTeX guide sources onto MMF tip

Bring doc/latex/ (Makefile, three manuals, figures, sty) without
replacing conflicting Amyuni PDF binaries. Point MMF_OPTION_B at
the rebuild path; retip latex README to PR #61.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: epic notes doc/latex cherry-pick from #47

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: retip latex README to MMF PR #61

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: WKB 18-21 inspect labels + curve strategy status strip

GeometryLocationsWriter labels Bezier/Ellipse/NURBS for mouse inspect.
Edit-menu strategy picker also updates the bottom status bar; frame
startup shows LINEARIZED.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* feat: show Curve strategy LINEARIZED on TestBuilder status at startup

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* test: WKB 18-21 ISO Z round-trips + Option B PM kind stability

Lock Phase 4 accept (XY + ISO Z for 18–21). Assert PrecisionModel
coordinate snap does not rename SegmentKind.ARC (allowed index lie).

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: Phase 4 ISO-Z and PM kind-stability accept criteria

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs+fix: Option B prose in guides; clothoid ISO M/ZM honesty

Update technical-specs and developer-guide for SegmentKind, no-silent
linearize, and WKB 18-21. Preserve Z/M on ClothoidSegment start so ISO
2018/3018 type words round-trip.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: user-guide Option B prose + MMF verification walkthrough

Document TestBuilder strategy/badges/WKB 18-21 in user-guide.tex.
Add doc/MMF_WALKTHROUGH.md with smoke evidence and HOLD checklist.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: retip epic MMF ship status + explicit named-miss list

Correct stale OFF/BUF/H-CC/N-*/PLG/COV 'still open' claims against
tip meters. List leftover named misses for Phase 2 accept.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* docs: sync epic tip SHA to 0cf0eb3

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* fix: CI red — SqlMmTypes HOLD 15-17, CurveWKTWriter owns CurvePolygon, BiteVsHole honesty

- Allow Triangle/Tin/PolyhedralSurface through WKTWriter (HOLD 15-17).
- CurveWKTWriter always formats CurvePolygon (EMPTY / all-linear).
- BiteVsHole refuses densified outer CAP; update H-SHELL-HOLE-*
  assertions to certified arc-preserving bites.

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* fix: restore logoBuffer JOIN_MITRE + mitre limit (CI app tests)

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

* fix: headless-safe AppCursors for CI drawing-tool tests

Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>

---------

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Jeroen Bloemscheer <grootstebozewolf@users.noreply.github.com>
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