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Snap to intersection while "axlEnterPoint"

Hogsmeade

The goal is to place symbols in a polar grid. So I created a skill that draws lines intersecting with circles. Then I pick it and snap to the intersection.

Due to varying angle each placement, I have to use axlTransformObject and axlEnterPoint but axleEnterPoint only support snap to grids (?gridSnap t).

Of course, we can use pop up and select "Snap to intersection" but I want to just pick near the intersection and it automatically snaps to it.

Any suggestion?

I really appreciate it.

Parents

  • In this case I would use the axlEnterEvent function.

    You get the XY and grid snapped XY points of the user pick. Then write a function that selects everything in a box (axlSingleSelectBox) around this xy point. The bbox size you have to calculate, so can make it as large as you want. If you want to use a box depending on the zoom level use the axlGetTrapBox function. It returns a bbox depending on the zoom level.

    The selection you can do this only specific elements like LINESEGS and use the setof function to filter a specific layer (if required). 

    Then find the intersection of the linesegs with the axl_ol_ol2 function. The result is a xy point where to place your component. 

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  • In this case I would use the axlEnterEvent function.

    You get the XY and grid snapped XY points of the user pick. Then write a function that selects everything in a box (axlSingleSelectBox) around this xy point. The bbox size you have to calculate, so can make it as large as you want. If you want to use a box depending on the zoom level use the axlGetTrapBox function. It returns a bbox depending on the zoom level.

    The selection you can do this only specific elements like LINESEGS and use the setof function to filter a specific layer (if required). 

    Then find the intersection of the linesegs with the axl_ol_ol2 function. The result is a xy point where to place your component. 

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