Merging Multiple Components and Using Over 2500 Images

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Jim Birkett

• January 03, 2019 18:34

Hello,

I was wondering what I could do to merge together components made from over 10,000 photos.  I am trying to do photogrammetry of a public area.  I currently have over 10 components and what I'm running into is that when I try to bring in all of the components into a project I hit the 2500 image limit.  Would having the full version of the program alleviate this issue where I am not limited by the number of images? Has anyone used the full version and aligned 10,000+ images at once so they don't have to worry about this issue?  Is there a trick where I can create a model of the area from using the base version made from multiple components using over 10,000 images?  Thank you very much for your help.

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  Not_Nick

  • January 04, 2019 14:04
  • Edited

  Hi Jim,

  The more expensive licences that allow unlimited photo input will handle the 10,00 photos. That's its draw card.

  Keep in mind that the more photos you have the more RAM will be consumed during the alignment phase. At some point you will reach the maximum memory limit of your rig and the alignment will fail.

  You might find it better if you cluster your photos into 2500 sets and process them one set at a time on the promo licence. Then export each one as say an OBJ and merge then into a single OBJ using 3DS or similar. Not ideal, and you need to know that each 2500 photo sets will process together and make a particular section at a time. If you can afford the higher end licence its the simpler workflow.

  Extract from RC help:

  You can easily register unlimited number of images/laser-scans on a single machine. However, it requires a specific workflow using components. In such case 16GB should be enough for thousands high (36-80 MPX) resolution images. You can find more information about components workflow in the application Help, section Using components.

  To align unordered set of images into one component you will need a certain amount of RAM. The consumption depends on a count of images (irrespective of their size) and a count of features per image. If you restrict the count of features per image from default 40K to 20K, you will double the count of images which can use the same amount of RAM.

   

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  Lucia CR

  • January 04, 2019 07:43

  hello, with the Promo/PGM license, you are not allowed to use more than 2,500 images and/or laser scans per project: https://www.capturingreality.com/Product

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  Jim Birkett

  • January 07, 2019 18:26

  Thank you very much for the help.  I really appreciate the advice and I'll check out the OBJ export and see how easy it is to put the models together and thanks for the tip on lowering the feature count.  If needed I'll step up to the unlimited image version.  Much appreciated,

  
  Jim

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