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<article data-uid="">
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<h1 id="release-note">Release Note</h1>
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<h2 id="hinc-packages-version-3226">HiNc Packages Version 3.2.26</h2>
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<p>Rotary-axis correctness on SoftNc, cutting forces that no longer depend on how the geometry kernel
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tiled the contact surface, and a process that survives a host without OpenGL. The 3.1.175 → 3.2 line
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jump is the 3.2.7 entry below; the long form is still
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<a href="upgrading-to-3.2/index.html">Upgrading from 3.1.175 to 3.2</a>.</p>
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<div class="IMPORTANT">
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<h5>Important</h5>
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<p><strong>Adoption status.</strong> Verification is still in progress across most areas.</p>
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<p><strong>Do not put 3.2 NC optimization into production.</strong> It is not finished on this line.
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Work that depends on optimization should stay on the 3.1 line, serviced as
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<code>3.1.175.<patch></code>. The Blazor front end tracks the 3.2 packages, so it is not a way
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to stay on the 3.1 behaviour.</p>
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<p>The 3.2.24 hold on SoftNc canned cycles that index a rotary axis is <strong>lifted</strong> — see the
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first entry below.</p>
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</div>
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<ul>
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<li><strong>SoftNc canned cycles take rotary axis words.</strong> A G81–G89 repeat block carrying an A / B / C
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word indexes the table and drills again — the standard bolt-circle shape — where 3.2.24 either
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skipped the hole or drilled it at the previous angle: a rotary-only repeat fires the cycle, a
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mixed block pre-positions XYZ and the table in one simultaneous move before the strokes, and
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under <code>G68.2</code> without RTCP the feature frame stays pinned in machine space so the hole stays put
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while the workpiece turns. Under <code>G91</code> only the words the block itself spoke are increments, so
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an X-pitch repeat no longer doubles Y. Hole bottoms match the HardNc replay of a customer's
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bolt-circle program to 0.000 mm on all twelve C-indexed blocks, and setting
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<a class="xref" href="../api/Hi.MachiningProcs.LocalProjectService.html#Hi_MachiningProcs_LocalProjectService_EnableSoftNcRunner">EnableSoftNcRunner</a> <code>false</code> is no longer needed for
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such programs. See
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<a href="upgrading-to-3.2/brand-nc-language-coverage.html#fanuc-and-iso-common">Brand NC language coverage</a>
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and <a href="../technique/nc-dialects/controller-iso.html#canned-cycles">ISO core</a></li>
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<li><strong>A rotary word under modal <code>G91</code> is an increment on SoftNc.</strong> <code>G91 … C20.</code> followed by <code>C20.</code>
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leaves the table at 40, not 20; a per-word directive (<code>C=AC(90)</code>, <code>ACP</code> / <code>ACN</code>, <code>IC()</code>) still
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wins over the modal state, and a spoken <code>G91 B270.</code> stays a +270° traverse instead of folding to
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−90°. A <code>G91 G28</code> rotary intermediate anchors on the previous modal angle (<code>G91 G28 C10.</code> from
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C90 passes through 100, then returns home) instead of on zero. HardNc keeps its documented
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absolute reading of a rotary word under <code>G91</code> and warns. The programmed deltas are recorded on
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the block in <a class="xref" href="../api/Hi.NcParsers.Keywords.IncrementalWords.html">IncrementalWords</a>, beside the
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<a class="xref" href="../api/Hi.NcParsers.Keywords.RotaryWords.html">RotaryWords</a> the block spoke. See
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<a href="upgrading-to-3.2/results-that-change-on-upgrade.html">Results that change on upgrade</a></li>
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<li><strong>Rotary IK no longer reports failure from a pole seed.</strong> Every solve attempt now runs its
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coarse stage and its polish, so a small tilt with a large azimuth that used to run out of
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iterations a few milliradians short — and was then refused by <code>G53.1</code>, leaving the table at
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A = C = 0 with the tilt still active and the whole path rotated off the part — solves to
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1e-8 rad. On a Fanuc IJK grid from the pole seed, 54 / 69 failures per A/C chain become 0; on a
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CL program 44 dropped endpoints of 536 become 0. The happy path is unchanged bit for bit; only a
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failed attempt pays one extra polish</li>
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<li><strong>Rotary travel picks the reachable IK branch.</strong> When the nearest solution lies outside an axis'
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configured travel, the axial solve searches the other branches (sign, half-turn and supplement
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combinations) and keeps the admissible one nearest the entry; <code>G53.1</code>, <code>G68.2</code>, <code>CYCLE800</code>,
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<code>PLANE SPATIAL</code> and the <code>LN</code> vector syntax pass the travel through the new admissibility overloads
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of <a class="xref" href="../api/Hi.Numerical.Xyzabc.IMachineKinematics.html">IMachineKinematics</a> and
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<a class="xref" href="../api/Hi.NcParsers.Dependencys.StrokeLimitUtil.html#Hi_NcParsers_Dependencys_StrokeLimitUtil_RotaryAdmissibility_">RotaryAdmissibility</a>. The travel itself now
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reaches SoftNc from every project: a stroke limit declared only in the legacy machine-limits
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boxes is copied into the controller parameter table on load for the axes carrying no end there
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(explicit rows win), where 3.2.24 checked such a project against nothing. Both stroke checks
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apply <a class="xref" href="../api/Hi.NcParsers.Dependencys.StrokeLimitUtil.html#Hi_NcParsers_Dependencys_StrokeLimitUtil_Tolerance">Tolerance</a>, so an axis parked exactly on its
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limit is not reported. See
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<a href="../anatomy/general-setup/controller/machine/per-axis-tables.html">Per-axis tables</a></li>
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<li><strong>A rapid traverse that removes stock is reported.</strong> <code>Play-RapidCut--Detected</code> folds the G00
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steps of one NC line that touched the workpiece into one validation warning, anchored on the
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line's first cutting step and carrying the line's removed volume (geometry only), its
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touching-step count and its largest cutting depth. The line total is gated by the project-level
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<a class="xref" href="../api/Hi.MachiningProcs.MachiningActRunnerConfig.html#Hi_MachiningProcs_MachiningActRunnerConfig_RapidCutVolumeThreshold_mm3">RapidCutVolumeThreshold_mm3</a> (default 0: any
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contact reports); a step with the spindle stopped is left to collision detection while that is
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on. <a class="xref" href="../api/Hi.MachiningSteps.MachineMotionStep.html#Hi_MachiningSteps_MachineMotionStep_IsRapid">IsRapid</a> marks the step. See
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<a href="upgrading-to-3.2/new-diagnostics.html">New diagnostics</a></li>
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<li><strong>Cutter–workpiece engagement no longer depends on how the contact surface was tiled.</strong> The scan
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that turns a step's contact contours into the engaged angle ranges of
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<a class="xref" href="../api/Hi.Milling.Engagements.LayerMillingEngagement.html">LayerMillingEngagement</a> dropped its dense-step bounding-box shortcut
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and its winding dependence; a cylinder wall and a flat floor sector reproduce their analytic arcs
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to 1e-9 rad at four tessellations, and the managed and native paths stay bit-identical.
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<strong>Re-running an existing program moves the forces</strong> on most engaged steps — floors that used to
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register as empty and side ranges fragmented by phantom 1° gaps move the most — and coefficient
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sets trained before this build embed the old engagement. See
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<a href="upgrading-to-3.2/results-that-change-on-upgrade.html">Results that change on upgrade</a></li>
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<li><strong>The cube tree folds a re-cut flat region again.</strong> A comparison in the simplification gate had
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been inverted since 2023, so a floor roughened by one pass and re-cut flat by a later one stayed
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at its finest level for the life of the tree. On a 1000-move CL replay the node count drops 17%
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and the peak working set 8%; the meshed-geometry writer and the fly-piece remover now tolerate a
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fold landing under them mid-cut instead of crashing. See
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<a href="upgrading-to-3.2/geometry-rendering-and-stability.html">Geometry, rendering and native stability</a></li>
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<li><strong>A host with no usable OpenGL no longer aborts the process.</strong> Where the native display
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initialiser used to kill the process at startup — every service on a machine whose graphics
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driver and kernel module disagree — it now reports, and NC play, physics and training run
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without 3D. <a class="xref" href="../api/Hi.Disp.DispEngine.html#Hi_Disp_DispEngine_IsGlAvailable">IsGlAvailable</a> carries the verdict and HiNc logs it once at
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startup; a host must not obtain a <a class="xref" href="../api/Hi.Disp.DispEngine.html">DispEngine</a> while it is <code>false</code>. See
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<a href="../product/system-requirements.html">System requirements</a></li>
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<li><strong>Packaging.</strong> The Linux licence-key native library in the HiDisp package ships stripped: the
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protected file no longer carries debug information</li>
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</ul>
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<p><strong>Committed after the 3.2.26 pack — these ship in the next package build:</strong></p>
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<ul>
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<li><strong><code>BackgroundTemperature</code> renames to <code>AmbientTemperature</code>.</strong>
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<a class="xref" href="../api/Hi.Machining.MachiningEquipmentUtils.SetupEquipment.html#Hi_Machining_MachiningEquipmentUtils_SetupEquipment_AmbientTemperature_C">AmbientTemperature_C</a> /
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<a class="xref" href="../api/Hi.Machining.MachiningEquipmentUtils.SetupEquipment.html#Hi_Machining_MachiningEquipmentUtils_SetupEquipment_AmbientTemperature_K">AmbientTemperature_K</a> (and the same
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pair on <a class="xref" href="../api/Hi.Machining.MachiningEquipmentUtils.MachiningEquipment.html">MachiningEquipment</a>) name the shop-floor
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temperature the workpiece, cutter, chips and spindle start at and the spindle cools toward; the
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old names remain as <code>[Obsolete]</code> delegates. A <code>.hincproj</code> now writes <code><AmbientTemperature_C></code> and
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still reads the legacy element and the 2019 wrapper, so no project needs editing. See
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<a href="../manual/setup/coolant.html">Coolant</a> and
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<a href="upgrading-to-3.2/breaking-changes.html#7-signature-and-shape-changes">Breaking changes</a></li>
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<li><strong>Every NC-pipeline rewind raises one event.</strong> Suit rewiring, <code>PowerReset</code> and
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<a class="xref" href="../api/Hi.MachiningProcs.SessionShell.html#Hi_MachiningProcs_SessionShell_ResetRuntime_">ResetRuntime</a> share one seam that drops the runner session
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state and the NC diagnostics and raises
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<a class="xref" href="../api/Hi.MachiningProcs.LocalProjectService.html#Hi_MachiningProcs_LocalProjectService_OnNcPipelineReset">OnNcPipelineReset</a> before the next file's pieces
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arrive, so a consumer keyed by file / sentence index drops its stale index in step instead of
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merging the next file into the previous file's numbers. See
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<a href="upgrading-to-3.2/session-project-and-commands.html">Session, project and commands</a></li>
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</ul>
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<h2 id="hinc-packages-version-3224">HiNc Packages Version 3.2.24</h2>
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<p>Correctness and coverage that landed after 3.2.7. The 3.1.175 → 3.2 line jump is the
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3.2.7 entry below; the long form is still
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