Polygon to Polyline for Cut Activity?

Permanently deleted user

31. Juli 2018 04:59

Seems like the Cut Activity won't play with a polygon as the 'Cutter'... does anybody have any ideas as to how to convert polygon geometry to polyline so it can be used in this scenario?

 

Thanks!

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  Tom Neer

  31. Juli 2018 15:36

  You will want to assign the polygon.rings array to a new polyline variable.

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  Permanently deleted user

  1. August 2018 02:18

  Thanks @Tom Neer? . Got me a bit further!

   

  I am struggling to get the Arcade code for this to work:

   

  var polylineJSON = {'paths' : $polyrings, 'spatialReference' : {'wkid' : $spatref}};

  Polyline(polylineJSON);

   

  gives:

   

  Error: Cannot create Geometry in this SpatialReference. Engine is using a different spatial reference. 

   

  Log shows the $spatref parameter is set as expected from parent as int 4283. Not sure why the engine message or how to overcome it, the constructor parameters look to be OK...

   

  Anyone?

   

   

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  Permanently deleted user

  25. Januar 2019 09:48

  David,

   

  Found the answer? I facing the same problem.

  Erik

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  Permanently deleted user

  28. Januar 2019 22:15

  Hi Erik,

   

  No mate sorry I never solved it, I could not get the arcade code to work and couldn't find any help for this anywhere.

   

  I ended up using a totally different solution for my problem (converted vectors to a raster dataset to extract area stats).

   

  Good luck

   

  Dave

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  Permanently deleted user

  8. März 2019 05:50

  having the same issue here. I tried the example given by ESRI in their Arcade playground and returns me the same error "Execution Error:Cannot create Geometry in this SpatialReference. Engine is using a different spatial reference."

   

  var pointJSON = {'x' : -118.15, 'y' : 33.80, 'spatialReference' : {'wkid' : 4326}};

  Point(pointJSON)

   

  I reckon it's something wrong in ESRI's engine room.

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  Tom Neer

  8. März 2019 17:33

  Jack - This does not solve your immediate issue but we are working on a new free Workflow Activity Pack that wrap many of the functions of Turf spatial analysis library. One of those functions will PolygonToLine. Unfortunately, we are a week or two out, just running through testing and documentation.

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  Permanently deleted user

  9. März 2019 02:16

  Thanks @Tom Neer? , great work and looking forward to the new workflow pack. How could I know when it becomes available?

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