Performance issue with Custom Labels

Home Forums Problems and solutions in GDL Documentation elements, text handling Performance issue with Custom Labels

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    • #4222
      Denny Wong

      Hi all,

      I am working on a labelling system that uses a single macro across Zone Stamps, Door labels, Window Labels and generic Labels attached to objects. So far it is working very well, except that I have a performance issue with the generic Labels. Whenever I grab one of the editable hotspots or even just move the label, i.e. during GLOB_FEEDBACK_MODE, it becomes so tediously slow that I can’t effectively work on my project.

      This curiously however, does not happen with the Zones, Doors and Windows, even if they are just the same empty shells doing a “call ‘my_label.gsm’ parameters all” from the Master Script.

      For your information:
      – I have a GLOB_FEEDBACK_MODE set in the label, drawing a single rect2 based on TEXTBLOCK_INFOs.
      – my labels are attached to walls, showing 1x IFC Property and 2x Wall parameters.
      – We are still on AC19, OSX.

      My feeling is that AC is caching the 2D symbols of all the zone/door/wido stamps but not the labels, meaning that it gets redrawn a million times whenever I try to move it…?

      I can provide a PLA if that helps.

      Many thanks in advance.

      Kind regards,


      Bond Bryan Architects, Westerham, UK

    • #4225
      Denny Wong

      I have come to the realisation that it is when the labels associate with Walls that have this problem. If I ping the same label at a Window, it will behave just fine.

      Bond Bryan Architects, Westerham, UK

    • #4246
      Piotr Dobrowolski

      This became way better since AC 20 (AFIR) (I had some project that was very slow because of many associative labels in 19…while I opened it by accident in newer version it worked better)
      To check just open the project for testing even without library migration in 22 – maybe that would be the argument for migrating up at least the latest projects.
      (I know the drawbacks in GDL, but there are also good points there)


    • #4274
      Denny Wong

      Many thanks Piotr, that’s a relief to know as trying to troubleshoot this is driving me nuts.

      The wait for the office upgrade continues….

      Bond Bryan Architects, Westerham, UK

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