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 # Class MeaureAPI

 Last update: 09.03.2026 

<a id="VM_API_Pre_MeaureAPI"></a>

Namespace: [VM.API.Pre](VM.API.Pre.md)  
Assembly: VM.API.Pre.dll

This class implements APIs for measure.

```csharp
public static class MeaureAPI

```

#### Inheritance

object ← [MeaureAPI](VM.API.Pre.MeaureAPI.md)

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Methods

### <a id="VM_API_Pre_MeaureAPI_GetMass_VM_Managed_DAFUL_SubSystemDocument_System_Collections_Generic_IEnumerable_VM_API_Pre_Obj__System_Double__System_Double____"></a> GetMass(SubSystemDocument, IEnumerable&lt;Obj&gt;, out double, out double\[\])

Get mass information given .

```csharp
[NotNull(new string[] { "subSystemDocument", "objs" })]
public static void GetMass(this SubSystemDocument subSystemDocument, IEnumerable<Obj> objs, out double mass, out double[] inertia)

```

#### Parameters

`subSystemDocument` [SubSystemDocument](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDFBase/SubSystemDocument.cs)

The document to get mass.

`objs` IEnumerable&lt;[Obj](VM.API.Pre.Obj.md)&gt;

The collection of  to get mass.

`mass` double

The total mass.

`inertia` double\[\]

The total inertia.

#### Exceptions

ArgumentNullException

Will be thrown when the collection of objects is null.

### <a id="VM_API_Pre_MeaureAPI_GetMass_VM_Managed_DAFUL_SubSystemDocument_System_Collections_Generic_IEnumerable_VM_API_Pre_Obj__VM_TMatrix_System_Double__System_Double____"></a> GetMass(SubSystemDocument, IEnumerable&lt;Obj&gt;, TMatrix, out double, out double\[\])

Get mass information given .

```csharp
[NotNull(new string[] { "subSystemDocument", "objs" })]
public static void GetMass(this SubSystemDocument subSystemDocument, IEnumerable<Obj> objs, TMatrix transform, out double mass, out double[] inertia)

```

#### Parameters

`subSystemDocument` [SubSystemDocument](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDFBase/SubSystemDocument.cs)

The document to get mass.

`objs` IEnumerable&lt;[Obj](VM.API.Pre.Obj.md)&gt;

The collection of  to get mass.

`transform` TMatrix

The transform.

`mass` double

The total mass.

`inertia` double\[\]

The total inertia.

#### Exceptions

ArgumentNullException

Will be thrown when the collection of objects is null.