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Author Topic: Metashape v1.6 downscale parameter  (Read 1752 times)

sven_a

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Metashape v1.6 downscale parameter
« on: January 07, 2020, 11:59:19 AM »
I am currently busy updating our headless scripts to work with the new Metashape 1.6 version. I feel like there are many changes in the API so this is probably the first of many small questions. :)

I used to work with accuracy=Metashape.HighQuality (For Dense Cloud) and Metashape.HighAccuracy (for Image Matching) and I see that this is changed to downscale=1

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For Image matching:
Metashape.HigestAccuracy correponds with downscale = 0.25 (because it is actually an 4 times upscale?)
Metashape.HighAccuracy corresponds with downscale = 1
Metashape.MediumAccuracy corresponds with downscale = 4
Metashape.LowAccuracy corresponds with downscale = 16
Metashape.LowestAccuracy corresponds with downscale = 64

For Dense cloud:
Metashape.HigestQuality which now corresponds with downscale=1
Metashape.HighQuality corresponds with downscale=4
Metashape.MediumQuality corresponds with downscale = 16
Metashape.LowQuality corresponds with downscale = 64
Metashape.LowestQuality corresponds with downscale = 256

is this correct?

Kind regards,

Sven
« Last Edit: January 07, 2020, 12:24:32 PM by sven_a »

Alexey Pasumansky

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Re: Metashape v1.6 downscale parameter
« Reply #1 on: January 08, 2020, 02:48:53 PM »
Hello Sven,

For matching accuracy the correspondence should be the following:
Highest = 0
High = 1
Medium = 2
Low = 4
Lowest = 8

For depth maps quality:
Ultra = 1
High = 2
Medium = 4
Low = 8
Lowest = 16

Basically, the value defines the downscaling factor by each side applied to original image. The only exception is Highest matching accuracy, where the images are upscaled by two times by each side.
Best regards,
Alexey Pasumansky,
Agisoft LLC

jedfrechette

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Re: Metashape v1.6 downscale parameter
« Reply #2 on: October 04, 2020, 05:44:12 AM »
It would be great if this info was included in the API documentation.
Jed