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--- tutorials:xl-queries-and-operators [2024/12/07 16:27] – [Query examples] ksmolen
+++ tutorials:xl-queries-and-operators [2025/01/10 11:17] (current) – gaetan
@@ Line 60: / Line 60: @@
 }
 </code>
+The underlying 2d graph of the generated structure given below:
+{{ :tutorials:graph_query_example_2.png?620|}}
+Beginning from //RGGRoot//, we have the sequence of three //Internodes// where to each is a //Leaf// linked by a branching edge. The last internode, additionally, has a Bud node successor.
 ==== Query examples ====
@@ Line 138: / Line 145: @@
 Aggregate operations are used to collect multiple values when traversing the graph structure and return a single value.
-Standard [[groimp-platform:xl-operators|aggregate operations]] are: ''count'', ''sum'', ''empty'', ''exist'', ''forall'', ''first'', ''last'', ''max'', ''min'', ''mean'', ''selectRandomly'', ''selectWhereMin'', ''selectWhereMax'', ...
+Standard [[:groimp-platform:xl-builtin-methods|aggregate operations]] are: ''count'', ''sum'', ''empty'', ''exist'', ''forall'', ''first'', ''last'', ''max'', ''min'', ''mean'', ''selectRandomly'', ''selectWhereMin'', ''selectWhereMax'', ...
   * Count all leaves:
@@ Line 145: / Line 152: @@
 count((* Leaf *))
 </code>
+<hidden answer>
+</hidden>
   * Sum up the area of all leaves:
@@ Line 151: / Line 163: @@
 sum((* Leaf *)[area])
 </code>
+<hidden answer>
+.0
+</hidden>
   * Sum up the length of internodes:
@@ Line 157: / Line 174: @@
 sum((* Internode *)[length])
 </code>
+<hidden answer>
+.0
+</hidden>
 In this particular example with internodes forming (only) the main stem, the query will return stem length.
@@ Line 165: / Line 186: @@
 selectWhereMax((* l:Leaf *), (l[area]))
 </code>
+<hidden answer>
+Model.Leaf[id=1903]@668c1f97
+</hidden>
   * Count internodes that are older than 2 (time units):
@@ Line 171: / Line 197: @@
 count((* i:Internode, (i[age] >= 2) *))
 </code>
+<hidden answer>
+</hidden>