topic Slicing a solid3d and getting a reference from both solids. in .NET Forum

Slicing a solid3d and getting a reference from both solids.

Anonymous — Thu, 05 Mar 2015 10:57:09 GMT

Hi! I'm traying to slicing a Solid3d, ant the clear one of the sides. My problem is to get two solids when I slice them. The method

Solid3d.Slice(...)

only returns one Solid3d.

So, what should I do? 😕

Thank you for the help.

Re : Slicing a solid3d and getting a reference from both solids.

_gile — Thu, 05 Mar 2015 11:33:25 GMT

Hi,

The Solid3d.Slice() method is overloaded.

When it's called with only one argument (Plane or Surface), it returns void (it's a Sub in VB) and sets the solid to be the portion on the positive normal side of the plane (or Surface).

When it's called with two arguments and the second one (negativeHalfToo) is true, the other side of the solid is generated. The calling application is responsible for the memory used by the newly created solid which have to be added to the database or explicitly diposed.

Re : Slicing a solid3d and getting a reference from both solids.

Anonymous — Fri, 06 Mar 2015 08:46:49 GMT

Thank you so much!

Re : Slicing a solid3d and getting a reference from both solids.

waseefur.rahman — Thu, 02 Mar 2017 11:17:34 GMT

Hi,

I have tried the Code

Newsolid.Slice(P.GetPlane(), True)

but I didn't get the NegativeHalfToo

Since I need only Negativehalf

can any one tell me how to get it.

Re : Slicing a solid3d and getting a reference from both solids.

_gile — Thu, 02 Mar 2017 12:19:33 GMT

Hi,

As I said in the upper message, if you do not want to keep both sides, use the overload with only the plane argument.

From the doc (ObjectARX20XX\docs\arxmgd.chm):

public virtual void Slice(Plane plane);

Parameters
Plane plane Input plane to be used for slicing the solid

Description
Slices the solid with plane and sets the solid to be the portion on the positive normal side plane.

----------

public virtual Solid3d Slice(Plane plane,[MarshalAs(UnmanagedType.U1)] bool negativeHalfToo);

Parameters
Plane plane Input plane to be used for slicing the solid
[MarshalAs(UnmanagedType.U1)] bool negativeHalfToo Input flag to indicate whether the other side of the solid is to be generated . If this parameter is true, the negative side of the solid is also created.

Description
Slices the solid with plane and sets the solid to be the portion on the positive normal side plane.

Notes
The calling application is responsible for the memory used by any negative half solid created by this function. If such a solid is subsequently added to an Database, then the responsibility is passed on to that database object.

Re : Slicing a solid3d and getting a reference from both solids.

waseefur.rahman — Thu, 02 Mar 2017 12:55:50 GMT

Great Solution,

I have been Slicing the Solid before adding it to the DBobject,

So that I didn't get the Negative half even after using below

Solid.slice(plane, True)

Once after adding Solid to DBobject

I got the NegativeHalf..

Many Thanks...