No. of families using particular unit of measurement

The image below is a histogram that shows the number of family types there are within each family. Fortunately majority of the families in our master content have an appropriate amount of family types, though there are some that have more than 500?!

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Number of Family Types (Highest Offenders)

“Highest Offenders” refer to families that have more than 50 family types.

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Supply Diffuser_Sidewall                             529
HSS_Hollow Structural Section_Pro                    333
CISC Wide Flange Shapes_Side                         294
CISC Wide Flange Shapes_Section                      294
CISC Wide Flange Shapes_Top                          294
W_Wide Flange                                        274
W_Wide Flange_Pro                                    267
WT_Structural Tee_Pro                                267
WT_Structural Tee                                    267
Table_HermanMiller_DU6ACS_RectangularTable_C_Foot    192
CISC WT Shapes_Top                                   190
CISC WT Shapes_Section                               190
CISC WT Shapes_Side                                  190
Table_HermanMiller_DU6ATS_RectangularTable_T_Foot    180
VAV Outlet Plenum_Wye                                153
VAV Outlet Plenum_Elbow                              153
Louvre_Extruded_200 mm Pitch                         150

Families with 500+ family types? whaaaaat?

The high count of family types means that these families have a Revit catalogue file attached to it. The code below differentiates the .txt catalogue files from the .rfa files.

.rfa vs .txt Family Types

.txt families

This part is a sample list that refers to family types from a .txt catalogue file.

FamilyFilePath FamilyName FamilyTypeName fileType
156 Windows\Double Hung Double Hung_3LT 1816 txt
157 Windows\Double Hung Double Hung_3LT 1818 txt
158 Windows\Double Hung Double Hung_3LT 1822 txt
159 Windows\Double Hung Double Hung_3LT 1824 txt
160 Windows\Double Hung Double Hung_3LT 1828 txt


.rfa families

This part is a sample list that refers to family types within the native revit family.

FamilyFilePath FamilyName FamilyTypeName fileType
0 Windows\Special Window Round_basic rfa
1 Windows\Special Window Lancet_basic rfa
2 Windows\Special Window Arched Top_basic rfa
3 Windows\Special Skylight_Velux_FCM_WIN rfa
4 Windows\Special Skylight_Operable_WIN 600 x 600mm rfa
5 Windows\Special Skylight_Operable_WIN 900 x 600mm rfa
6 Windows\Special Skylight_Operable_WIN 900 x 900mm rfa
7 Windows\Special Round with Trim_WIN 0610 mm Diameter rfa
8 Windows\Special Round with Trim_WIN 0915mm Diameter rfa
9 Windows\Special Round with Trim_WIN 1220mm Diameter rfa


Number of .txt vs .rfa family types

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No. of Family Types for families with .txt files

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No. of Family Types for native .rfa families

FamilyName Count
1 Bay Window 2
1 Bay Window - Non Hosted 1
10P_Perimeter_Bench_FYS 1
115_BVNDH_WC Cubicle 3
12P_Meeting_FYS 1


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No. of Family Types for native .rfa families (Worst Offenders)

‘Worst offenders’ refer to families that have more than 50 types.

FamilyName Count
Timber Stud_Section_DCO 80
Weights equipment_SEQ 67


No. of Family Types from .txt files

This is a histogram that represents the number of family types there are in each family from .txt files.

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Sample of Family Types from .txt files > 200

FamilyName FamilyTypeName
CISC Wide Flange Shapes_Section 294
CISC Wide Flange Shapes_Side 294
CISC Wide Flange Shapes_Top 294
HSS_Hollow Structural Section_Pro 333
Supply Diffuser_Sidewall 529
WT_Structural Tee 267
WT_Structural Tee_Pro 267
W_Wide Flange 274
W_Wide Flange_Pro 267