I’m trying to figure out how to create a face with holes from imported data. The data has the potential to be complicated and I need to make it versatile so it can work with any file.
Here is my sample xml file.
<?xml version="1.0" encoding="UTF-8"?>
<DATA_EXPORT xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<LOCATION address="14685 U.S. 224, Van Wert OH 45891" lat="40.92415722243234" long="-84.54056337475778"/>
<STRUCTURES>
<ROOF id="ROOF1">
<FACES>
<FACE id="F1" type="ROOF" name="RF-1">
<POLYGON id="P1" path="L1,L2,L3,L4" size="3.2060012921337275" pitch="17"/>
</FACE>
<FACE id="F2" type="ROOF" name="RF-2">
<POLYGON id="P2" path="L5,L6,L7,L8" size="2.4168373719967726" pitch="16"/>
</FACE>
<FACE id="F3" type="ROOF" name="RF-3">
<POLYGON id="P3" path="L9,L10,L11,L12" size="2.7098196305321696" pitch="16"/>
</FACE>
<FACE id="F4" type="ROOF" name="RF-4">
<POLYGON id="P4" path="L13,L14,L15" size="25.257929282695628" pitch="10"/>
</FACE>
<FACE id="F5" type="ROOF" name="RF-5">
<POLYGON id="P5" path="L16,L14,L17,L18,L19,L20,L21,L22,L23,L24,L25,L26,L27,L28,L29,L30,L31,L32,L33,L34,L35,L36,L37,L38,L39" size="839.817469986963" pitch="12"/>
</FACE>
<FACE id="F6" type="ROOF" name="RF-6">
<POLYGON id="P6" path="L17,L13,L40" size="25.276322988876863" pitch="10"/>
</FACE>
<FACE id="F7" type="ROOF" name="RF-7">
<POLYGON id="P7" path="L41,L42,L43,L44,L45" size="379.6890197075424" pitch="12"/>
</FACE>
<FACE id="F8" type="ROOF" name="RF-8">
<POLYGON id="P8" path="L46,L47,L48,L49,L50,L51,L52,L53,L54" size="372.5245083256959" pitch="12"/>
</FACE>
<FACE id="F9" type="ROOF" name="RF-9">
<POLYGON id="P9" path="L55,L56,L57,L58" size="49.769822247225825" pitch="12"/>
</FACE>
<FACE id="F10" type="ROOF" name="RF-10">
<POLYGON id="P10" path="L59,L60,L61,L33" size="37.367293074030044" pitch="12"/>
</FACE>
<FACE id="F11" type="ROOF" name="RF-11">
<POLYGON id="P11" path="L23,L62,L63,L64" size="37.3672930740305" pitch="12"/>
</FACE>
<FACE id="F12" type="ROOF" name="RF-12">
<POLYGON id="P12" path="L57,L65,L66,L67" size="49.7698222472263" pitch="12"/>
</FACE>
<FACE id="F13" type="ROOF" name="RF-13">
<POLYGON id="P13" path="L32,L68,L69,L59" size="37.367293074030506" pitch="12"/>
</FACE>
<FACE id="F14" type="ROOF" name="RF-14">
<POLYGON id="P14" path="L64,L70,L71,L24" size="37.36729307402987" pitch="12"/>
</FACE>
<FACE id="F15" type="ROOF" name="RF-15">
<POLYGON id="P15" path="L45,L72,L73,L74" size="379.68901970754484" pitch="12"/>
</FACE>
<FACE id="F16" type="ROOF" name="RF-16">
<POLYGON id="P16" path="L75,L76,L47,L77,L78,L79,L80,L81" size="372.5245083256973" pitch="12"/>
</FACE>
<FACE id="F17" type="ROOF" name="RF-17">
<POLYGON id="P17" path="L82,L83,L20,L84" size="1004.6592049315932" pitch="12"/>
</FACE>
<FACE id="F18" type="ROOF" name="RF-18">
<POLYGON id="P18" path="L3,L85,L86" size="1.4174791631200416" pitch="14"/>
</FACE>
<FACE id="F19" type="ROOF" name="RF-19">
<POLYGON id="P19" path="L1,L87,L88" size="1.4174791631200478" pitch="14"/>
</FACE>
</FACES>
<LINES>
<LINE id="L1" type="HIP" path="C1,C2"/>
<LINE id="L2" type="FLASHING" path="C3,C2"/>
<LINE id="L3" type="HIP" path="C4,C3"/>
<LINE id="L4" type="EAVE" path="C4,C1"/>
<LINE id="L5" type="EAVE" path="C5,C6"/>
<LINE id="L6" type="RAKE" path="C6,C7"/>
<LINE id="L7" type="FLASHING" path="C7,C8"/>
<LINE id="L8" type="OTHER" path="C8,C5"/>
<LINE id="L9" type="FLASHING" path="C9,C10"/>
<LINE id="L10" type="RAKE" path="C9,C11"/>
<LINE id="L11" type="EAVE" path="C11,C12"/>
<LINE id="L12" type="OTHER" path="C12,C10"/>
<LINE id="L13" type="RIDGE" path="C13,C14"/>
<LINE id="L14" type="VALLEY" path="C13,C15"/>
<LINE id="L15" type="RAKE" path="C15,C14"/>
<LINE id="L16" type="EAVE" path="C16,C15"/>
<LINE id="L17" type="VALLEY" path="C17,C13"/>
<LINE id="L18" type="EAVE" path="C17,C18"/>
<LINE id="L19" type="RAKE" path="C18,C19"/>
<LINE id="L20" type="RIDGE" path="C19,C20"/>
<LINE id="L21" type="RAKE" path="C20,C16"/>
<LINE id="L22" type="OTHER" path="C21,C22"/>
<LINE id="L23" type="VALLEY" path="C23,C21"/>
<LINE id="L24" type="VALLEY" path="C24,C23"/>
<LINE id="L25" type="OTHER" path="C25,C24"/>
<LINE id="L26" type="OTHER" path="C26,C25"/>
<LINE id="L27" type="STEPFLASH" path="C27,C26"/>
<LINE id="L28" type="FLASHING" path="C28,C27"/>
<LINE id="L29" type="STEPFLASH" path="C29,C28"/>
<LINE id="L30" type="OTHER" path="C22,C29"/>
<LINE id="L31" type="OTHER" path="C30,C31"/>
<LINE id="L32" type="VALLEY" path="C32,C30"/>
<LINE id="L33" type="VALLEY" path="C33,C32"/>
<LINE id="L34" type="OTHER" path="C34,C33"/>
<LINE id="L35" type="OTHER" path="C35,C34"/>
<LINE id="L36" type="STEPFLASH" path="C36,C35"/>
<LINE id="L37" type="FLASHING" path="C37,C36"/>
<LINE id="L38" type="STEPFLASH" path="C38,C37"/>
<LINE id="L39" type="OTHER" path="C31,C38"/>
<LINE id="L40" type="RAKE" path="C14,C17"/>
<LINE id="L41" type="STEPFLASH" path="C39,C40"/>
<LINE id="L42" type="RAKE" path="C40,C41"/>
<LINE id="L43" type="EAVE" path="C42,C41"/>
<LINE id="L44" type="RAKE" path="C42,C43"/>
<LINE id="L45" type="RIDGE" path="C39,C43"/>
<LINE id="L46" type="STEPFLASH" path="C44,C45"/>
<LINE id="L47" type="RIDGE" path="C46,C44"/>
<LINE id="L48" type="RAKE" path="C46,C47"/>
<LINE id="L49" type="EAVE" path="C47,C48"/>
<LINE id="L50" type="RAKE" path="C45,C48"/>
<LINE id="L51" type="STEPFLASH" path="C49,C50"/>
<LINE id="L52" type="OTHER" path="C51,C49"/>
<LINE id="L53" type="STEPFLASH" path="C52,C51"/>
<LINE id="L54" type="FLASHING" path="C50,C52"/>
<LINE id="L55" type="EAVE" path="C53,C54"/>
<LINE id="L56" type="RAKE" path="C55,C54"/>
<LINE id="L57" type="RIDGE" path="C55,C56"/>
<LINE id="L58" type="STEPFLASH" path="C56,C53"/>
<LINE id="L59" type="RIDGE" path="C32,C57"/>
<LINE id="L60" type="RAKE" path="C58,C57"/>
<LINE id="L61" type="EAVE" path="C58,C33"/>
<LINE id="L62" type="EAVE" path="C21,C59"/>
<LINE id="L63" type="RAKE" path="C59,C60"/>
<LINE id="L64" type="RIDGE" path="C60,C23"/>
<LINE id="L65" type="RAKE" path="C61,C55"/>
<LINE id="L66" type="EAVE" path="C61,C62"/>
<LINE id="L67" type="STEPFLASH" path="C62,C56"/>
<LINE id="L68" type="EAVE" path="C30,C63"/>
<LINE id="L69" type="RAKE" path="C57,C63"/>
<LINE id="L70" type="RAKE" path="C60,C64"/>
<LINE id="L71" type="EAVE" path="C64,C24"/>
<LINE id="L72" type="RAKE" path="C43,C65"/>
<LINE id="L73" type="EAVE" path="C65,C66"/>
<LINE id="L74" type="STEPFLASH" path="C66,C39"/>
<LINE id="L75" type="EAVE" path="C67,C68"/>
<LINE id="L76" type="RAKE" path="C67,C46"/>
<LINE id="L77" type="STEPFLASH" path="C68,C44"/>
<LINE id="L78" type="STEPFLASH" path="C69,C70"/>
<LINE id="L79" type="FLASHING" path="C70,C71"/>
<LINE id="L80" type="STEPFLASH" path="C71,C72"/>
<LINE id="L81" type="OTHER" path="C72,C69"/>
<LINE id="L82" type="EAVE" path="C73,C74"/>
<LINE id="L83" type="RAKE" path="C74,C20"/>
<LINE id="L84" type="RAKE" path="C19,C73"/>
<LINE id="L85" type="STEPFLASH" path="C3,C75"/>
<LINE id="L86" type="EAVE" path="C75,C4"/>
<LINE id="L87" type="EAVE" path="C1,C76"/>
<LINE id="L88" type="STEPFLASH" path="C2,C76"/>
</LINES>
<POINTS>
<POINT id="C1" data="31.091046303012742,7.586463308561623,7.758104672798754"/>
<POINT id="C2" data="30.221308746663713,7.51370426827543,8.582104672798756"/>
<POINT id="C3" data="28.45270027352784,5.695735388858146,8.582104672798756"/>
<POINT id="C4" data="28.40390384869119,4.824324920829124,7.758104672798754"/>
<POINT id="C5" data="15.706111382244515,-8.672111176948265,18.029010148648826"/>
<POINT id="C6" data="17.343249712044486,-6.98928166431988,18.029010148648826"/>
<POINT id="C7" data="16.710733927027086,-6.3739395704923245,19.21276014864884"/>
<POINT id="C8" data="16.065029879329494,-7.037664686513466,19.21276014864884"/>
<POINT id="C9" data="21.809337847117888,-1.1330378129850585,19.21276014864884"/>
<POINT id="C10" data="22.59280014105867,-0.32770973149299126,19.21276014864884"/>
<POINT id="C11" data="22.44185363213529,-1.748379906812615,18.029010148648826"/>
<POINT id="C12" data="24.21797236736531,0.07730883993011746,18.029010148648826"/>
<POINT id="C13" data="15.904557771599487,-0.35532857100302423,23.74251014864882"/>
<POINT id="C14" data="19.959420308921487,-4.3000959001377295,23.74251014864882"/>
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<POINT id="C17" data="24.75058616092231,0.6247874459317752,18.029010148648826"/>
<POINT id="C18" data="36.25088968152554,12.446054968889902,18.029010148648826"/>
<POINT id="C19" data="25.536758123962212,22.869282819232847,33.125746496847455"/>
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<POINT id="C73" data="14.822626566398881,33.29251066957581,18.029010148648826"/>
<POINT id="C74" data="-18.152654236072603,-0.6030830695218015,18.029010148648485"/>
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<POINT id="C76" data="32.46158875930689,9.816508651511553,7.758104672798756"/>
</POINTS>
</ROOF>
</STRUCTURES>
</DATA_EXPORT>
Here is the code I have so far.
require 'rexml/document'
include REXML
def import_eagleview(file_path)
xml = File.read(file_path)
doc = REXML::Document.new(xml)
roof_data = doc.root.elements['STRUCTURES'].elements[1].elements.to_a
points = roof_data[2].elements.to_a.map { |pnt| [pnt.attributes['id'], pnt.attributes['data'].split(',').map(&:to_f)] }.to_h
edges = {}
entities = Sketchup.active_model.entities
roof_data[1].elements.each do |l|
pnts = l.attributes['path'].split(',')
pnt1 = points[pnts[0]]
pnt2 = points[pnts[1]]
edge = entities.add_edges(pnt1, pnt2)
edges[l.attributes['id']] = edge
end
faces = {}
roof_data[0].elements.each do |f|
polygon = f.elements[1]
lines = polygon.attributes['path'].split(',').map { |l| edges[l] }.flatten
loops = loops_from_edges(lines)
pm = Geom::PolygonMesh.new
a = true
if a
points = []
loops.each { |l| mesh_points_from_edges(l).each { |pt| points.push(pt) } }
points.push(points[0])
points.each { |pnt| pm.add_point(pnt) }
pm.add_polygon((1..(pm.points.length)).to_a)
entities.add_faces_from_mesh(pm)
else
pts = lines.map { |l| [l.start, l.end] }.flatten.uniq
pts.each { |pt| pm.add_point(pt) }
pm.add_point(pts[0])
face = entities.add_face(loops[0])
end
1..(loops.length - 1).each { |i| entities.add_face(loops[i]) } if loops.length > 1
faces[f.attributes['id']] = face
end
end
def mesh_points_from_edges(edges)
pnts = edges.map { |l| [l.start, l.end] }.flatten.uniq
pnts.push pnts[0]
end
def loops_from_edges(edges)
loops = []
current_loop = []
last = nil
edges.each do |edge|
unless last.nil? || [edge.start, edge.end, last.start, last.end].uniq.length < 4
loops.push current_loop.to_a
current_loop = []
end
current_loop.push edge
last = edge
end
loops.push(current_loop)
loops
end
I looked at this topic, and I think I’m close, but apparently I’m missing some small detail.
I’ve corrected the statement. Also the above code would end up in my own proper namespace which is not included in the snippet.
