Macro select upper surface automatic, not by colour

[RAL6000]

I have a model where i need to select the flat surface on the top. It will be always on top which is the Z+ direction.

There is no way to use colours as a reference.

Anyone an idea how to realize an workaround to pick that surface?

[Sudhira]

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@RAL6000 wrote:

I have a model where i need to select the flat surface on the top. It will be always on top which is the Z+ direction.

There is no way to use colours as a reference.

Anyone an idea how to realize an workaround to pick that surface?

Hi RAL6000,

As i see your query, it's somehow confuse to understand what exactly you want. Can you please give me a little more context on the situation here, then i will be able to respond. It could better, if you share  your query by preparing a Screencast video. Here is the link to download Autodesk Screencast .exe file.

Screencast

[Anonymous · Accepted solution]

I wrote a macro for something similar once.  Try the attached macro. You may need to increase the flatness tolerance variable in the macro, especially if you are using metric units.

[Sudhira]

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@Anonymous wrote:

I wrote a macro for something similar once.  Try the attached macro. You may need to increase the flatness tolerance variable in the macro, especially if you are using metric units.

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Hi jacob.seppanen,

Good job and really appreciate your effort. This macro really worthful for those who want to select the top surface of the component without selecting the surfaces.

[RAL6000]

Thanks a lot!

You made it!!! 

I was able to adapt it to my machining and calculation process. I needed to increase the tolerance to 0,02mm that it finds my flat surfaces.

Appreciate your sharing.

PS: Maybe you already have an idea on another issue where i want to choose swarf surfaces automatically

https://forums.autodesk.com/t5/powermill-forum/chossing-swarf-surfaces-automatically/td-p/8180690