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Is there a size limitation for DXF files?

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TitleIs there a size limitation for DXF files?
SummaryIs there a size limitation for DXF files?
URL NameIsthere-a-size-limitation-for-DXF-files
Resolution
  • There isn't a specific maximum size for DXF files.
  • For Floor Planning 9.0 and below, the maximum amount of data that Floor Planning handles is just under 2 gigabytes.
  • For Floor Planning 9.1 and above, when installed on a 64-bit Windows operating system, Floor Planning will now access up to 4 GB of available memory (the previous limit was 2 GB). The 2 GB limit remains unchanged if Floor Planning is installed on a 32-bit operating system.
  • This means that the size of a DXF isn't the only relevant element. The 2 GB of RAM is used by a combination of:
- The memory currently being used by Floor Planning itself
- All other data currently loaded, including floorplans, and models and images for 3D views
- The memory to read the DXF file and retain the relevant content for our data structure
 
  • If there are already large floorplans open, with 3D views, or with lots of models and images, those elements could already be nearing a total of 2GB of data. Importing any size DXF file could exceed available memory.
ProductsPlatform; Sales & Operations Planning
Module
VersionAll
Error Message Code
Cause
Additional Information
  • When Floor Planning processes a DXF file, it does not load the entire file into memory; it reads in about 2,000 bytes at a time to retrieve any data that is relevant.
  • Relevant data is converted and compressed into our own data structure for information retained in the Trace File.
  • Floor Planning discards the previous 2kb of the DXF and retains what it needs; it then reads in the next 2kb, and repeats the process 2kb at a time to convert the relevant data from the DXF into the internal data structure.
Publication StatusPublished
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