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15 January 2026
| 19:09 | F4:Compliance Logic diffhist +41 Admin talk contribs | ||||
| 19:08 | Category:F4 Behavior diffhist +78 Admin talk contribs | ||||
| N 19:05 | F4:Multi-Single Segment Validation diffhist +2,192 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates MSS FCFs against the ASME logic in the F4 Application and enforces segment structure, datum, modifier, and per-segment rules. == Validation rules == * MSS requires more than one segment; single-segment FCFs use the standard validator. * If all segments are position, F4 routes to the position MSS validator. * If all segments are profile, F4 routes to the profile MSS validator. * Otherwise, F4 app...") | ||||
| N 19:05 | F4:Perpendicularity Validation diffhist +2,299 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates perpendicularity against the ASME logic in the F4 Application and enforces datum, feature-type, modifier, and pattern rules. == Validation rules == * A primary datum reference is required. * Perpendicularity is valid only for a planar surface, a planar feature of size, or a cylindrical feature of size. * Perpendicularity cannot be applied to a pattern. * Unequally disposed is not allowed. * Plan...") | ||||
14 January 2026
| N 21:57 | F4:Compliance Logic diffhist +1,793 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 Compliance Logic describes how the F4 Application validates GD&T feature control frames against ASME rules and internal constraints. == Scope == F4 validation covers feature control frame structure, datum references, modifier legality, tolerance hierarchy, and feature-of-size requirements. Composite and MSS frames use additional segment rules. == Validation flow == # Parse the feature control frame and e...") | ||||
| N 21:53 | Category:F4 Behavior diffhist +526 Admin talk contribs (Created page with "= F4 Behavior = This category contains F4-specific validation behavior and compliance logic. == Core pages == * F4:Compliance Logic == Validation pages == * F4:Straightness Validation * F4:Flatness Validation * F4:Position Validation * F4:Profile of a Line Validation * F4:Profile of a Surface Validation * F4:Position Composite Validation * F4:Profile Composite Validation * F4:Position MSS Validation * F4:Profile MSS Validation *...") | ||||
| N 21:39 | F4:Profile MSS Validation diffhist +2,564 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates profile MSS FCFs against the ASME logic in the F4 Application and enforces segment, datum, modifier, and true-profile rules. == Validation rules == * Profile MSS applies when the main segment is profile of a line or profile of a surface; mixed symbols use the general MSS validator. * MSS requires more than one segment; single-segment profile uses the standard profile validator. * Duplicate segme...") | ||||
| N 21:39 | F4:Profile Composite Validation diffhist +2,253 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates profile composite FCFs against the ASME logic in the F4 Application and enforces segment, datum, modifier, and tolerance hierarchy rules. == Validation rules == * Only profile of a line, profile of a surface, or position symbols are allowed in composite segments. * Composite profile FCFs must have 2 to 5 segments. * The composite must be applied to a true profile or true profile pattern. * The t...") | ||||
| N 21:39 | F4:Position MSS Validation diffhist +2,234 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates position MSS FCFs against the ASME logic in the F4 Application and enforces feature-type, basic dimension, datum, modifier, and segment rules. == Validation rules == * Position MSS applies only when all segments are position tolerances; mixed symbols use the general MSS validator. * MSS requires more than one segment; single-segment position uses the standard position validator. * The toleranced...") | ||||
| N 21:30 | F4:Position Composite Validation diffhist +2,029 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates position composite FCFs against the ASME logic in the F4 Application and enforces segment, datum, modifier, and tolerance hierarchy rules. == Validation rules == * Only position, profile of a line, or profile of a surface are allowed in composite segments. * Composite FCFs must have 2 to 5 segments. * Composite position must be applied to a planar or cylindrical feature-of-size pattern. * Datum...") | ||||
| N 21:29 | F4:Profile of a Surface Validation diffhist +1,691 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates profile of a surface against the ASME logic in the F4 Application and enforces application, datum, modifier, and pattern rules. == Validation rules == * Profile of a surface cannot be linked to a feature of size in F4. * Prohibited modifiers: diameter, LMC, MMC, projected tolerance zone. * True profile must be located using basic or toleranced dimensions. * Pattern application is allowed. * If t...") | ||||
| N 21:28 | F4:Profile of a Line Validation diffhist +1,697 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates profile of a line against the ASME logic in the F4 Application and enforces application, datum, modifier, and pattern rules. == Validation rules == * Profile of a line cannot be linked to a feature of size in F4. * Prohibited modifiers: diameter, LMC, MMC, projected tolerance zone. * True profile must be located using basic or toleranced dimensions. * Pattern application is allowed. * If the pro...") | ||||
| N 21:22 | F4:Total Runout Validation diffhist +1,739 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates total runout against the ASME logic in the F4 Application and enforces datum, surface, modifier, and pattern rules. == Validation rules == * A primary datum reference is required; tertiary datum references are not allowed. * Total runout is valid only for surfaces that surround or intersect the datum axis. * Total runout cannot be applied to a pattern. * FOS linkage is not allowed for total runo...") | ||||
| N 21:21 | F4:Circular Runout Validation diffhist +1,763 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates circular runout against the ASME logic in the F4 Application and enforces datum, surface, modifier, and pattern rules. == Validation rules == * A primary datum reference is required; tertiary datum references are not allowed. * Circular runout is valid only for surfaces that surround or intersect the datum axis. * Circular runout cannot be applied to a pattern. * FOS linkage is not allowed for c...") | ||||
| N 21:20 | F4:Symmetry Validation diffhist +450 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 does not allow symmetry. Any symmetry FCF is rejected. == Validation rules == * Symmetry is not supported in F4. == Warnings and errors == {{F4 Behavior |type=error |title=Symmetry not allowed |body=Any symmetry FCF is non-compliant in F4. }} == Examples == * Invalid: any use of symmetry. == Related pages == * GDT:Symmetry * F4:Compliance Logic Category:F4 Behavior") | ||||
| N 21:16 | F4:Concentricity Validation diffhist +485 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 does not allow concentricity. Any concentricity FCF is rejected. == Validation rules == * Concentricity is not supported in F4. == Warnings and errors == {{F4 Behavior |type=error |title=Concentricity not allowed |body=Any concentricity FCF is non-compliant in F4. }} == Examples == * Invalid: any use of concentricity. == Related pages == * GDT:Concentricity * F4:Compliance Logic Category:F4...") | ||||
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N 21:16 | F4:Position Validation 2 changes history +1,749 [Admin (2×)] | |||
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21:16 (cur | prev) +1,327 Admin talk contribs | ||||
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18:48 (cur | prev) +422 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == Short description of how F4 validates this feature. == Validation rules == * Rule 1 * Rule 2 == Errors and warnings == {{F4 Behavior |type=warning |title=Datum order |body=F4 enforces datum order in composite frames. }} == Examples == Describe example behaviors and outputs. == Related == * GDT:Position Category:F4 Behavior Category:Location") | |||
| N 21:15 | F4:Angularity Validation diffhist +2,063 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates angularity against the ASME logic in the F4 Application and enforces datum, feature-type, modifier, and pattern rules. == Validation rules == * A primary datum reference is required. * A basic angle is required. * Angularity is valid only for a planar surface, a planar feature of size, or a cylindrical feature of size. * Angularity cannot be applied to a pattern. * Unequally disposed is not allo...") | ||||
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N 21:12 | F4:Straightness Validation 3 changes history +2,020 [Admin (3×)] | |||
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21:12 (cur | prev) +4 Admin talk contribs | ||||
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20:58 (cur | prev) −9 Admin talk contribs | ||||
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20:56 (cur | prev) +2,025 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates straightness against the ASME logic in `1_1_0_Straightness.md` and enforces feature-type, modifier, and pattern rules. == Validation rules == * Straightness is valid only for a surface line element or a cylindrical feature of size. * Straightness cannot reference datums. * Straightness cannot be applied to a pattern. * Prohibited modifiers: projected tolerance zone, tangent plane, unequally disp...") | |||
| N 21:11 | F4:Parallelism Validation diffhist +2,228 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates parallelism against the ASME logic in the F4 Application and enforces datum, feature-type, modifier, and pattern rules. == Validation rules == * A primary datum reference is required. * Parallelism is valid only for a planar surface, a planar feature of size, or a cylindrical feature of size. * Parallelism cannot be applied to a pattern. * Unequally disposed is not allowed. * Planar surface: dia...") | ||||
| N 21:10 | F4:Cylindricity Validation diffhist +1,473 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates cylindricity against the ASME logic in the F4 Application and enforces feature-type, modifier, and pattern rules. == Validation rules == * Cylindricity is valid only for a cylindrical surface. * Cylindricity cannot reference datums. * Cylindricity cannot be applied to a pattern. * FOS linkage is not allowed for cylindricity in F4. * Prohibited modifiers: diameter, LMC, MMC, projected tolerance z...") | ||||
| N 21:08 | F4:Circularity Validation diffhist +1,486 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates circularity against the ASME logic in the F4 Application and enforces feature-type, modifier, and pattern rules. == Validation rules == * Circularity is valid only for a sphere or a surface of revolution. * Circularity cannot reference datums. * Circularity cannot be applied to a pattern. * FOS linkage is not allowed for circularity in F4. * Prohibited modifiers: diameter, LMC, MMC, projected to...") | ||||
| N 21:00 | F4:Flatness Validation diffhist +2,045 Admin talk contribs (Created page with "{{Author Credit |author=Admin }} == Summary == F4 validates flatness against the ASME logic in the F4 Application and enforces feature-type, modifier, and pattern rules. == Validation rules == * Flatness is valid only for a planar surface or a planar feature of size. * Flatness cannot reference datums. * Flatness cannot be applied to a pattern. * Always prohibited modifiers: diameter, projected tolerance zone, tangent plane, unequally disposed. * Planar...") | ||||