filtertype
-4Grouping code
| filterdata | remarks | 
|---|---|
| "<AND" "AND>" | |
| "<OR" "OR>" | |
| "<NOT" "NOT>" | ONLY ONE | 
| "<XOR" "XOR>" | 
Entity type
Circle
Layer name0
Radius<=10
filtertype(0) = 0: filterdata(0) = "Circle"
filtertype(1) = 8: filterdata(1) = "0"
filtertype(2) = -4: filterdata(2) = "<="
filtertype(3) = 40: filterdata(3) = "10"

Entity type
Circle
Layer name0
RadiusNOT<=10
filtertype(0) = 0: filterdata(0) = "Circle"
filtertype(1) = 8: filterdata(1) = "0"
filtertype(2) = -4: filterdata(2) = "<NOT"
filtertype(3) = -4: filterdata(3) = "<="
filtertype(4) = 40: filterdata(4) = "10"
filtertype(5) = -4: filterdata(5) = "NOT>"

Entity type
Circle
Layer name0
Radius<=10>=20
filtertype(0) = 0: filterdata(0) = "Circle"
filtertype(1) = 8: filterdata(1) = "0"
filtertype(2) = -4: filterdata(2) = "<OR"
filtertype(3) = -4: filterdata(3) = "<="
filtertype(4) = 40: filterdata(4) = "10"  
filtertype(5) = -4: filterdata(5) = ">="
filtertype(6) = 40: filterdata(6) = "20"  
filtertype(7) = -4: filterdata(7) = "OR>"
