Mr. Sgvizler

gTreeMap: Draws the structure -> Company -> Field -> ExplorationWellbore, with numberOfDrillingDays deciding the box size and color

The element which draws the above chart:

<div id="sgvzl_example_query" 
   data-sgvizler-endpoint="http://sws.ifi.uio.no/sparql/npd" 
   data-sgvizler-query="SELECT DISTINCT ?node ?parent ?value WHERE{{ LET(?node := &quot;ALL&quot;) LET(?parent := &quot;&quot;) LET(?value := 0)} UNION {?s npdv:name ?node; a npdv:Company . [] a npdv:Field ; npdv:hasCompany ?s . LET(?parent := &quot;ALL&quot;) LET(?value := 0)} UNION {?s npdv:name ?node; a npdv:Field ; npdv:hasCompany [npdv:name ?parent] . [] a npdv:ExplorationWellbore ; npdv:hasField ?s . LET(?value := 0)} UNION {?s npdv:name ?node; a npdv:ExplorationWellbore ; npdv:hasField [npdv:name ?parent; npdv:hasCompany [] ] ; npdv:numberOfDrillingDays ?value; }}" 
   data-sgvizler-chart="gTreeMap" 
   data-sgvizler-loglevel="2" 
   style="width:800px; height:400px;"/>

The results of the query in gTable