help using opBoolean

papawo

where should i put the opBoolean so it subtract everytime it extrude?
----------------------
var i = 0;

        for (var vertex in evaluateQuery(context, definition.locationsAH))

        {

            var point is Vector = evVertexPoint(context, {

                    "vertex" : vertex

            });

            var sketchNormal is Vector = evOwnerSketchPlane(context, {

                    "entity" : vertex

            }).normal;

            var sketchPlane is Plane = plane(point, sketchNormal);

            

            var sketch = newSketchOnPlane(context, id + ("sketch" ~ i), {

                    "sketchPlane" : sketchPlane

            });

            skCircle(sketch, "circle", {

                    "center" : vector(0, 0) * inch,

                    "radius" : .25 * inch

            });

            skSolve(sketch);

            

         

            opExtrude(context, id + "extrude1"+i, {

                    "entities" :qSketchRegion(id + ("sketch" ~ i), true),

                    "direction" : evOwnerSketchPlane(context, {"entity" : definition.locationsAH}).normal,

                    "endBound" : BoundingType.BLIND,

                    "endDepth" : 100 * inch

            });

          

                

            opBoolean(context, id + "boolean1"+i, {

              "tools" : qCreatedBy(id + "extrude1"+i, EntityType.BODY),

              "targets":definition.partToCutAH,

              "operationType" : BooleanOperationType.SUBTRACTION

            });

         

           i += 1;  

      

          

        }    

ilya_baran

It would be easier for us to help if you posted a link to the full code and the error you're getting, but from what I'm seeing above, I am guessing you're running into an id gotcha (for which we've been meaning to report a more helpful error for a long time).  The issue is that you're doing operations as id+"extrude"+i and id+"boolean"+i.  So in the for loop, you get the following sequence:
id+"extrude1"+0
id+"boolean1"+0
id+"extrude1"+1
id+"boolean1"+1
...
And the problem is that the id+"extrude1"+1 can't be used because the id+"extrude1" portion of the hierarchy has been closed.  The fixed is to do id+i+"extrude1" and id+i+"boolean1" instead.  That way the sequence is
id+0+"extrude1"
id+0+"boolean1"
id+1+"extrude1"
id+1+"boolean1"
...
and everything is happy.

papawo

i am indeed so happy ! ... thank you!  

kevin_o_toole_1

Some more info on this is available in the Id's type documentation.