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❚●❡♦❆r❜◆ ❛♥❞ ❤♦✇ ✇❡ ✉s❡ ✐t ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❏✉♥❡ ✷✺✱ ✷✵✶✾

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❋r♦♠ ❈❆❉ t♦ s✐♠✉❧❛t❛❜❧❡ ❘❖❖❚ r❡♣r❡s❡♥t❛t✐♦♥s ❉❡t❡❝t♦r❝♦♠♣♦♥❡♥ts ❛r❡ ❞❡s✐❣♥❡❞ ✇✐t❤ ❈❆❉ ✱ ❜✉t s✐♠✉❧❛t✐♦♥ st✉❞✐❡s ♥❡❡❞ ❘❖❖❚ ✲❣❡♦♠❡tr✐❡s ❈♦♠♣❧❡① ❣❡♦♠❡tr✐❡s ♥❡❡❞ t♦ ❜❡ ♠❛♥✉❛❧❧② ❜✉✐❧t ✉s✐♥❣ ❘❖❖❚✲❣❡♦♠❡tr② ♣r✐♠✐t✐✈❡s ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✶ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❋r♦♠ ❈❆❉ t♦ s✐♠✉❧❛t❛❜❧❡ ❘❖❖❚ r❡♣r❡s❡♥t❛t✐♦♥s ❲❡ ✇❛♥t q✉✐❝❦ r❡❛❝t✐♦♥ t✐♠❡s ❞✉r✐♥❣ t❤❡ ❞❡s✐❣♥ ❲❡ ♥❡❡❞ ❛♥ ❛❝❝✉r❛t❡ ❘❖❖❚ r❡♣r❡s❡♥t❛t✐♦♥ ❲❡ ♠✉st ❦♥♦✇✱ ✇❤❛t t❤❡ ❝♦st ♦❢ ❛♣♣r♦①✐♠❛t✐♥❣ ✐♥st❡❛❞ ♦❢ r❡♣❧✐❝❛t✐♥❣ ✐s ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✶ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❚●❡♦❆r❜◆ ❊✈❡r② ❈❆❉✲♦❜❥❡❝t ❡①♣♦rt❛❜❧❡ ❛s tr✐❛♥❣❧❡ ♠❡s❤ ✳ ❚●❡♦❆r❜◆ ❞❡r✐✈❡s ❢r♦♠ ❚●❡♦❙❤❛♣❡ ❛❧❧♦✇✐♥❣ ✉s❡ ✐♥ s✐♠✉❧❛t✐♦♥ ❢r❛♠❡✇♦r❦ ❚r✐❛♥❣❧❡ ♠❡s❤ ✰ r❛② ❝❛st✐♥❣ → s✐♠✉❧❛t❛❜❧❡ ❣❡♦♠❡tr② ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✷ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❚●❡♦❆r❜◆ 12 Y Position / [cm] 100 /cave_1/Emc3_0/BackplateWithHV_1/subvol_1BackplateSimulation_1/volume_shape_ReducedBackplate_2_HeatMap_e- /cave_1/Emc3_0/BackplateWithHV_1/subvol_1BackplateSimulation_1/volume_shape_ReducedBackplate_2_HeatMap_e- Entries Entries 35605 35605 − − Mean x Mean x 0.2794 0.2794 10 Mean y Mean y 0.6069 0.6069 Std Dev x 34.68 Std Dev x 34.68 50 Std Dev y 35.94 Std Dev y 35.94 8 0 6 ❚●❡♦❆r❜◆ ❣❡♦♠❡tr② ✇♦r❦s✦ 4 − 50 2 − 100 0 − − 100 50 0 50 100 X Position / [cm] ❍✐t ♠❛♣ ♦❢ ❡❧❡❝tr♦♥s ♦♥ t❤❡ ❇❛❝❦♣❧❛t❡ ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✸ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❚r✐❛♥❣❧❡ ♠❡s❤ ✐ss✉❡✿ Pr❡❝✐s✐♦♥ ❈✉r✈❡s ❝❛♥ ♦♥❧② ❜❡ ❛♣♣r♦①✐♠❛t❡❞✳ ❚❤✐s ❧❡❛❞s t♦ ❞✐✛❡r❡♥❝❡s ✐♥ t❤❡ ✈♦❧✉♠❡ ❢♦r ❝✉r✈❡❞ s❤❛♣❡s✳ Counts ROOT 120 100 TGeoArbN 80 60 40 20 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 Deposited energy [GeV] ❚❡ss❡❧❧❛t❡❞ ❜❛s❡ ♦❢ ❛ ❝②❧✐♥❞❡r✳ ❉❡♣♦s✐t❡❞ ❡♥❡r❣② ♦❢ ❛ ✶ ●❡❱ ♣❤♦t♦♥ ✐♥ ❛ ❝②❧✐♥❞r✐❝ ❢♦r♠✳ ❉❡✈✐❛t✐♦♥s ❞❡♣❡♥❞ ♦♥ tr✐❛♥❣❧❡ ♠❡s❤ ❛♥❞ ❣❡♦♠❡tr② ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✹ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s r❛② ❝❛st✐♥❣ ✿ ❈♦♥t❛✐♥s✭✮ ✐♠♣❧❡♠❡♥t❛t✐♦♥ ❈♦♥t❛✐♥s✭✮ ✿ ■s ❛ ♣♦✐♥t ✭♣❛rt✐❝❧❡✮ ❝♦♥t❛✐♥❡❞ ❜② t❤❡ ❣❡♦♠❡tr②❄ ✷❉ ❡①❛♠♣❧❡ ♦❢ r❛②✲❝❛st✐♥❣ t♦ t❡st✱ ✐❢ ❛ ♣♦✐♥t ✐s ✐♥s✐❞❡ ♦r ♦✉ts✐❞❡ ❛ s❤❛♣❡✳ ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✺ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❚❤❡ ♠❛✐♥ ✐ss✉❡✿ P❡r❢♦r♠❛♥❝❡ ❊①❡❝✉t✐♦♥ t✐♠❡ ✐♥❝r❡❛s❡s ✇✐t❤ t❤❡ ♥✉♠❜❡r ♦❢ tr✐❛♥❣❧❡s ✐♥ t❤❡ ♠❡s❤✳ ❇❛❞✿ ❲❡ ✇❛♥t ❝♦♠♣❧❡① ❣❡♦♠❡tr✐❡s → ▼♦r❡ ❢❛❝❡s ❊①❡❝✉t✐♦♥ t✐♠❡ ✐♥ s❡❝♦♥❞s ❢♦r ✶✵✵✵ ✶ ●❡❱ ♣❤♦t♦♥s s❤♦t ❛t ♦♥❡ ♣♦✐♥t ❛❣❛✐♥st t❤❡ tr✐❛♥❣❧❡✴❢❛❝❡ ♥✉♠❜❡r ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✻ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❈♦♥❝❡♣t✉❛❧ ♠♦❞✐✜❝❛t✐♦♥ ✲ ❖❝tr❡❡ ❇♦✉♥❞✐♥❣ ❜♦① r❡❝✉rs✐✈❡❧② s♣❧✐t ✐♥t♦ ❡✐❣❤t ✐❞❡♥t✐❝❛❧ s✉❜✲❜♦①❡s ✭♦❝t❛♥ts✮✳ ❙♣❧✐tt✐♥❣ ♦❝❝✉rs ✐❢ ❛ ❜♦① ❝♦♥t❛✐♥s ♠♦r❡ t❤❛♥ ① tr✐❛♥❣❧❡s✳ ❋✐❣✉r❡✿ ❖❝tr❡❡✲❝♦♥❝❡♣t✿ ♣✐❝t✉r❡ t❛❦❡♥ ❢r♦♠ ❲❤✐t❡❚✐♠❜❡r✇♦❧❢✱ ❙❝❤❡♠❛t✐❝ ❞r❛✇✐♥❣ ♦❢ ❛♥ ♦❝tr❡❡✱ ❛ ❞❛t❛ str✉❝t✉r❡ ♦❢ ❝♦♠♣✉t❡r s❝✐❡♥❝❡✳ ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✼ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❖✈❡r❛❧❧ s✐♠✉❧❛t✐♦♥ t✐♠❡ ♠❡❛s✉r❡♠❡♥t ❙✐♠✉❧❛t✐♦♥ ❚✐♠❡ P❡r❢♦r♠❛♥❝❡ ❘❛t✐♦ × 3 10 Execution time in seconds Ratio of execution times 30 70 Not using an Octree 60 Using an Octree 25 50 20 40 15 30 10 20 5 10 0 0 2 3 4 2 3 4 10 10 10 10 10 10 Face numbers Face numbers ❊①❡❝✉t✐♦♥ t✐♠❡ ❢♦r ✶✵✵✵ ✶ ●❡❱ ♣❤♦t♦♥s ❘❛t✐♦ ♦❢ ❡①❡❝✉t✐♦♥ t✐♠❡s ❢♦r ❞✐✛❡r❡♥t s❤♦t ❛t ♦♥❡ ♣♦✐♥t ❢♦r ❞✐✛❡r❡♥t ❣❡♦♠❡tr✐❡s ❣❡♦♠❡tr✐❡s ✉s✐♥❣ ❛♥ ❖❝tr❡❡ ♦❢ ❞❡♣t❤ ✺ ✉s✐♥❣ ❛♥ ❖❝tr❡❡ ♦❢ ❞❡♣t❤ ✺ ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✽ ✴ ✶✸

▼♦t✐✈❛t✐♦♥ ❚●❡♦❆r❜◆ Pr❡❝✐s✐♦♥ P❡r❢♦r♠❛♥❝❡ ❯s❛❣❡ ❙✉♠♠❛r② ❘❡❢❡r❡♥❝❡s ❍♦✇ ❞♦ ✇❡ ✉s❡ ✐t❄ Recognizes TGeBBoxes, ❲r✐tt❡♥ ❛ s✐♠♣❧✐✜❡❞ ✈❡rs✐♦♥ ♦❢ TGeoTubes, TGeoCones and ❚♦❜✐❛s✬ TGeoTraps ❈❆❉❚♦❘❖❖❚❈♦♥✈❡rt❡r ✐♥ ♣②t❤♦♥ ROOT-Geometry- STEP-File CADToROOTConverter Script ▼❛❥♦r ❞✐✛❡r❡♥❝❡✿ ✉♥r❡❝♦❣♥✐③❡❞ ❈❆❉✲P❛rts ❣❡t t❡ss❡❧❧❛t❡❞ ❛♥❞ r❡♣❧❛❝❡❞ ❜② ❛ Unrecognized CAD- ❚●❡♦❆r❜◆ ✐♥st❛♥❝❡ Parts are replaced by TGeoArbN ❍■❙❑P ❯♥✐✈❡rs✐tät ❇♦♥♥ ❇❡♥ ❲✐❧❧✐❛♠ ❙❛❧✐s❜✉r② ❏✉♥❡ ✷✺✱ ✷✵✶✾ ✾ ✴ ✶✸