topic Re: Can you create a Label GDL that can sum? in GDL

Can you create a Label GDL that can sum?

LeeJaeYoung — Thu, 17 Nov 2022 09:25:40 GMT

Can you create a Label GDL that can sum?

Even if there is a hole at the bottom, it is one fill, so you can get the area with an area label, but the top two fills cannot be made with one fill. (In Autocad, it is possible to hatch as one even if it is separated)
But I need to create a Label that represents the sum of the two.

Is this possible in Archicad?

Re: Can you create a Label GDL that can sum?

julienK — Thu, 17 Nov 2022 14:01:58 GMT

You can do that with an addon but I don't think GDL is able to

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Thu, 17 Nov 2022 14:47:08 GMT

Is it possible with API?
It seems that the sum of the two fills can be expressed as text.
Isn't it possible to link with more than one object like label?

Re: Can you create a Label GDL that can sum?

julienK — Thu, 17 Nov 2022 14:49:07 GMT

the API will let you create a text or label with the sum area of whatever you want.

Labels can only be linked to one element as far as i know.

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Fri, 18 Nov 2022 00:39:42 GMT

What I'm curious about is the Label made with the API you mentioned.
Are you saying that if only one element can be connected, you can create a label that is connected to two or more elements?
I would appreciate it if you could tell me which of the api sample files to study or which function to use if the label made with the api is linked to more than two elements.
Thank you for your interest. ^^

Re: Can you create a Label GDL that can sum?

julienK — Fri, 18 Nov 2022 05:44:32 GMT

The, API won't let you link multiple elements to a label.

If you look at the notification manager exemple in the API it has a file called Element_Observer.cpp, in that file there is a function Do_ClickedElementMonitor(bool)

The way it works is, you attach elements, fills in your case to the observer.

When those elements are changed it sends a notification. You can then use this notification to modifiy a label, or a text with the sum area of the fills you are observing.

Look at these functions in the APIdocumentation:

ACAPI_Notify_InstallElementObserver

ACAPI_Element_AttachObserver

ACAPI_Element_DetachObserver

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Fri, 18 Nov 2022 07:53:56 GMT

Thank you so much ^^

Re: Can you create a Label GDL that can sum?

Mathias Jonathan — Fri, 18 Nov 2022 09:01:24 GMT

I had this problem: I wanted to have the sum of the surface area of the flats of my project on my plan.

We resolved this kind of problem with the help of Poco and a Python script:

The script sums all the areas and put the result in a property in each zone.

We just have to retrieve the result with a label displaying the property showing the result.

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Fri, 18 Nov 2022 12:22:33 GMT

May I ask for a more understandable explanation?
And can you tell me what should I study?

Re: Can you create a Label GDL that can sum?

Mathias Jonathan — Fri, 18 Nov 2022 13:02:00 GMT

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Fri, 18 Nov 2022 13:22:28 GMT

Even if PYTHON puts the TOTAL value into each ELEMENT, if the area of ROOM 1 changes from 10 -> 20, the TOTAL value cannot be changed without executing PYHON?
This is the part I don't understand.

Re: Can you create a Label GDL that can sum?

Mathias Jonathan — Fri, 18 Nov 2022 13:28:05 GMT

Yes, you have to execute the script each time you want to update the total for all the zones in the projet.

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Fri, 18 Nov 2022 13:34:52 GMT

Thank you very much.
I understand how to make it.
^^

Re: Can you create a Label GDL that can sum?

Mathias Jonathan — Fri, 18 Nov 2022 13:38:12 GMT

You can find it here on the french forum archicadlink : https://www.archi-cadlink.fr/viewtopic.php?f=20&t=3309&start=10

Re: Can you create a Label GDL that can sum?

LeeJaeYoung — Fri, 18 Nov 2022 14:08:33 GMT

Thank you very much.
However, I think this is a problem that caused Graphisoft to recognize FILL only as separate areas, not in the same format as AUTOCAD.
It seems that Graphisoft, which has not prepared a method to obtain the sum of the same area, must present a new method.