zos api: change surface for geometric image analysis

Question

Hello! Can somebody please help me figure out how to change the surface for geometric image analysis? I’d like it to default to the image surface.

gia_run = TheSystem.Analyses.New_Analysis_SettingsFirst(
            ZOSAPI.Analysis.AnalysisIDM.GeometricImageAnalysis 
        ) # make new analysis, but don't run it
gia_settings = gia_run.GetSettings() 

# I was hoping for something like the following (this doesn't work though)
gia_settings.Surface = ZOSAPI.Analysis.Settings.Surface.IAS_Surface.UseImageSurface

Thanks!

Liz

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Best answer by David.Nguyen 22 September 2023, 19:40

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David.Nguyen · Accepted Answer

You’re almost there, but you have to use something like so:

gia_settings.Surface.SetSurfaceNumber(<your_surface_number>)

The Surface property returns an interface that has several methods:

GetSurfaceNumber ()
SetSurfaceNumber (int N)
UseImageSurface ()
UseObjectiveSurface ()

You can find those if you click on IAS_Surface on the left of the Surface property in the Syntax Help.

I hope this helps. Take care,

David

liz_strong · Answer

got it, thanks for your help. for anybody interested in how I ultimately did this, I’m making zemax analyze the last surface with

last_surface_number = TheLDE.NumberOfSurfaces - 1
gia_settings = gia_run.GetSettings() 
gia_settings.Surface.SetSurfaceNumber(last_surface_number) #analyze GIA on the last surface

best,

Liz

zos api: change surface for geometric image analysis

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