buildingSMART/IDS

View on GitHub

Computer interpretable (XML) standard to define Information Delivery Specifications for BIM (mainly used for IFC)

Stars: 319
Forks: 90
Open beginner issues: 2
Indexed issues: 71

Dominant language: C#
License: No license data
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

Feature request: ShapeRepresentatation Facet Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

buildingSMART/IDS#448 · 5 comments · 1 reaction · Opened Jun 8, 2026
IfcIonConcentrationMeasure inconsistency Open

audit tool discuss & decide documentation

Difficulty 4/5 3-5 days Newbie friendliness 38/100

buildingSMART/IDS#446 · 1 reaction · Opened May 12, 2026
Test cases needed for IFCProject properties (and other non-IfcObjects) in IFC4+ Open

agreed please contribute tests

buildingSMART/IDS#435 · 2 comments · 1 assignee · Opened Oct 17, 2025
Symmetry is broken between applicability and requirements due to nullness Open

discuss & decide

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#430 · 4 comments · Opened Sep 29, 2025
defintion of facet Open

documentation

buildingSMART/IDS#428 · 10 comments · 1 assignee · Opened Sep 18, 2025
ids.XSD - Invalid xs:element ref="xs:restriction" in idsValue Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

buildingSMART/IDS#423 · 4 comments · Opened Jul 22, 2025
ids.XSD - Invalid xs:attributeGroup ref="xs:occurs" in applicabilityType Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

buildingSMART/IDS#422 · 2 comments · Opened Jul 22, 2025
Tolerance in 1.0 Open

discuss & decide documentation improvement please contribute tests

Difficulty 4/5 3-5 days Newbie friendliness 45/100

buildingSMART/IDS#418 · 6 comments · Opened Jun 5, 2025
pass-an_optional_classification_value_passes_if_null Open

tests

buildingSMART/IDS#417 · 1 comment · 1 assignee · Opened Jun 2, 2025
Empty string and cardinality of requirements Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#403 · 6 comments · Opened Mar 31, 2025
TestCase pass-specification_optionality_and_facet_optionality_can_be_combined not passes Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

buildingSMART/IDS#402 · 3 comments · Opened Mar 11, 2025
Cardinality of Applicability Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 45/100

buildingSMART/IDS#386 · 12 comments · Opened Nov 14, 2024
Conditional PartOf specifications Open

discuss & decide please contribute schema

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#379 · 5 comments · Opened Nov 13, 2024
IfcPropertyBoundedValue tests Open

agreed documentation please contribute tests

Difficulty 4/5 3-5 days Newbie friendliness 30/100

buildingSMART/IDS#371 · 8 comments · Opened Nov 4, 2024
Reconsidering the ability to allow class inheritance Open

discuss & decide

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#356 · 9 comments · 4 reactions · Opened Oct 9, 2024
equality definition is not symmetric Open

discuss & decide documentation

Difficulty 3/5 1-2 days Newbie friendliness 38/100

buildingSMART/IDS#355 · 4 comments · Opened Oct 1, 2024
pass-comparison_tolerance_for_floating_point_negative_high_number_lower_bound should fail Open

please contribute tests

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

buildingSMART/IDS#354 · 3 comments · Opened Oct 1, 2024
fail-a_logical_unknown_is_considered_false_and_will_not_pass Open

please contribute tests

buildingSMART/IDS#353 · 2 comments · 1 assignee · Opened Sep 29, 2024
fail-required_specifications_need_at_least_one_applicable_entity_2_2 Open

please contribute tests

Difficulty 3/5 1-2 days Newbie friendliness 38/100

buildingSMART/IDS#352 · 1 comment · Opened Sep 29, 2024
Flavour of RegEx allowing negation Open

discuss & decide documentation improvement

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#349 · 8 comments · Opened Sep 26, 2024
Reasoning behind maxOccurs="unbounded" on sequence in requirementsType Open

bug please contribute schema

buildingSMART/IDS#344 · 9 comments · 1 assignee · Opened Sep 14, 2024
numeric simpleValue Open

please contribute schema

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

buildingSMART/IDS#342 · 1 comment · 1 reaction · Opened Sep 12, 2024
Specification short code/ identifier Open

documentation please contribute

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#339 · 4 comments · Opened Sep 5, 2024
IDS 1.0 schema accepts multiple entity facets in the requirements: is it valid? Open

bug schema

buildingSMART/IDS#338 · 2 comments · 1 reaction · 1 assignee · Opened Aug 26, 2024
Data type mismatch in applicability bypasses checking Open

agreed audit tool documentation please contribute

Difficulty 4/5 3-5 days Newbie friendliness 45/100

buildingSMART/IDS#337 · 9 comments · Opened Aug 21, 2024
Proposal: Permit dataType equivalents for non-measure Property values Open

discuss & decide

Difficulty 5/5 Over a week Newbie friendliness 30/100

buildingSMART/IDS#331 · 8 comments · Opened Jul 12, 2024
Test case for indirect containment is incorrect Open

please contribute tests

Difficulty 4/5 3-5 days Newbie friendliness 35/100

buildingSMART/IDS#325 · 1 comment · Opened Jun 20, 2024
Restriction of values: Enumeration limited to string-based datatype or do we allow for real, integer and measurements Open

documentation please contribute tests

buildingSMART/IDS#305 · 5 comments · 1 assignee · Opened May 31, 2024
IfcLogical representation in XML base Open

documentation please contribute tests

buildingSMART/IDS#298 · 4 comments · 1 assignee · Opened May 17, 2024
List of datatypes without IfcCompoundPlaneAngleMeasure Open

audit tool documentation measures tests

buildingSMART/IDS#297 · 2 comments · 1 assignee · Opened May 14, 2024
Move PASS/FAIL to the end of file name Open

please contribute tests

buildingSMART/IDS#283 · 11 comments · 2 reactions · 1 assignee · Opened May 2, 2024
Multiple matched Attributes Open

discuss & decide documentation tests

Difficulty 3/5 1-2 days Newbie friendliness 55/100

buildingSMART/IDS#279 · 7 comments · Opened Apr 22, 2024
Can you actually contain a distribution system in a building? Open

discuss & decide

Difficulty 4/5 3-5 days Newbie friendliness 25/100

buildingSMART/IDS#262 · 5 comments · Opened Mar 28, 2024
uri attribute in propertyType not available in applicability (0.9.7) Open

agreed documentation please contribute schema

buildingSMART/IDS#251 · 5 comments · 2 assignees · Opened Feb 20, 2024
Extend PartOf facet with IfcRelSpaceBoundary Open

discuss & decide documentation

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#247 · 9 comments · Opened Feb 18, 2024
fail-an_enumeration_matches_case_sensitively_1_3.ids Open

please contribute tests

Difficulty 3/5 1-2 days Newbie friendliness 68/100

buildingSMART/IDS#228 · 1 comment · Opened Dec 18, 2023
Classification Facet behavior is not full Open

discuss & decide documentation please contribute tests

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#223 · 11 comments · Opened Nov 29, 2023
Notes on custom restriction type Open

discuss & decide

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#218 · Opened Nov 21, 2023
Shortcoming for validation of PredefinedType setting in entity facet Open

documentation

buildingSMART/IDS#214 · 5 comments · 1 assignee · Opened Oct 26, 2023
Interpretation of PROHIBITED for property requirement :ballot_box: Open

schema

Difficulty 5/5 Over a week Newbie friendliness 30/100

buildingSMART/IDS#206 · 19 comments · Opened Oct 17, 2023
Facet sequencing when multiple Applicability / Requirements facets defined Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#205 · Opened Oct 16, 2023
Interpretation of cardinality on specification Open

discuss & decide schema

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#203 · 27 comments · Opened Oct 10, 2023
Inverse of PartOf Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

buildingSMART/IDS#200 · 3 comments · Opened Oct 3, 2023
datatype attribute case Open

documentation schema

Difficulty 4/5 3-5 days Newbie friendliness 30/100

buildingSMART/IDS#199 · 3 comments · Opened Oct 2, 2023
Connection to materials (and profiles?) Open

discuss & decide documentation

Difficulty 5/5 Over a week Newbie friendliness 20/100

buildingSMART/IDS#198 · 23 comments · Opened Sep 28, 2023
Linked Validator in Developer Docs not working Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

buildingSMART/IDS#197 · 6 comments · Opened Sep 26, 2023
Optionality of restriction base Open

documentation please contribute

buildingSMART/IDS#195 · 11 comments · 1 assignee · Opened Sep 20, 2023
Relation names do not match the schema Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

buildingSMART/IDS#190 · 1 comment · Opened Sep 13, 2023
How to define Property requirements in an unknown/unstated PropertySet Open

audit tool discuss & decide

Difficulty 5/5 Over a week Newbie friendliness 35/100

buildingSMART/IDS#189 · Opened Sep 11, 2023
Suggestion to move "uri" attribute from Classification to ClassificationType Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

buildingSMART/IDS#188 · Opened Sep 9, 2023

buildingSMART/IDS

Get new issues in your inbox