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Divide polyline by polygon or polyline

Vakhtang_Zubiashvili

Hello Guys, @RobertScheitlin__GISP @UndralBatsukh

I am going to cut (Split) line FL by polygon or polyline, no matter which one. I know there is a geometryEngine for this, but i could not find any working sample or hint how to use it.

Any help please how to do it.

Thank you and stay well and health

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Accepted answers

AnneFitz

And here's a very basic sample of it in use. I'm using the line to cut the polygon and just printing the resulting geometries to the console.

https://codepen.io/annefitz/pen/yLbywRr

All comments

Vakhtang_Zubiashvili

Thank you everyone for help 😍

JohnGrayson

Adding to the examples here's one using the sketch widget to interactively draw the polygon and polyline geometries that will be cut:

https://codepen.io/john-grayson/pen/oNWgObw

draw a polygon with any of the polygon tools
draw a polyline with the polyline tool
1. make sure it splits the polygon
  1. start and finish outside of the polygon
2. if we find an existing polygon:
  1. cut the polygon with the polyline
    1. if the cut is successful:
      1. the input polygon is removed and the cut results are added

AnneFitz

And here's a very basic sample of it in use. I'm using the line to cut the polygon and just printing the resulting geometries to the console.

https://codepen.io/annefitz/pen/yLbywRr

AnneFitz

Here's a more up-to-date version of the documentation that has a code snippet: https://developers.arcgis.com/javascript/latest/api-reference/esri-geometry-geometryEngine.html#cut

Vakhtang_Zubiashvili

@KenBuja Any idea? 😞

Vakhtang_Zubiashvili

Not even any small hint how to start, where to go, where to dig? 🤔

RobertScheitlin__GISP

sorry I do not have a 4.x version link for you.

Vakhtang_Zubiashvili

Thank you for replay Robert. Will this code work for 4.x API? I am using latest one. What i will need to change?

Thank you

RobertScheitlin__GISP

@Vakhtang_Zubiashvili

You can find a sample here that showcases some of the geometryEngines features:

http://ekenes.github.io/esri-js-samples/ge-demo/

and the code can be found here.

https://github.com/ekenes/esri-js-samples/blob/master/ge-demo/index.html

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