Cov txheej txheem:
- KD Tsob Ntoo Puas yog?
- Koj ua tsob ntoo KD li cas?
- Vim li cas peb thiaj siv kd ntoo?
- Yog octree yog tsob ntoo kd?
Video: Kd tsob ntoo ua haujlwm li cas?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
A K-D Tsob Ntoo (tseem hu ua K-Dimensional Tsob Ntoo) yog tsob ntoo tshawb nrhiav binary uas cov ntaub ntawv hauv txhua qhov yog K- Dimensional taw tes hauv qhov chaw … Cov ntsiab lus rau sab laug ntawm qhov chaw no yog sawv cev los ntawm sab laug subtree ntawm qhov node thiab cov ntsiab lus rau sab xis ntawm qhov chaw yog sawv cev los ntawm txoj cai subtree.
KD Tsob Ntoo Puas yog?
Cov ntsiab lus cov ntaub ntawv tau muab faib rau ntawm txhua qhov ntawm hauv ob pawg. Zoo li yav dhau los algorithm, KD Ntoo kuj yog binary tsob ntoo algorithm ib txwm xaus rau qhov siab kawg ntawm ob lub nodes… Ntawm sab xis ntawm daim duab hauv qab no, koj tuaj yeem pom qhov tseeb ntawm qhov cov ntaub ntawv cov ntsiab lus, nyob rau sab laug ntawm txoj hauj lwm spatial ntawm lawv.
Koj ua tsob ntoo KD li cas?
Build KD-Tree
- Thawj qhov taw qhia dhau los ua cag ntoo.
- Xaiv axis raws qhov tob kom axis cycles los ntawm tag nrho cov nqi siv tau. …
- Tau cov npe teev npe los ntawm axis thiab xaiv qhov nruab nrab raws li pivot ntsiab. …
- Txoj ntoo mus txog rau ntawm qhov khoob, ces muab taw tes rau ntawm node.
- Rov ua kauj ruam 2-4 rov ua dua kom txog thaum tag nrho cov ntsiab lus ua tiav.
Vim li cas peb thiaj siv kd ntoo?
KD-ntoo yog cov ntaub ntawv tshwj xeeb rau kev sawv cev zoo rau peb cov ntaub ntawvTshwj xeeb, KD-ntoo pab npaj thiab faib cov ntsiab lus raws li cov xwm txheej tshwj xeeb. Tam sim no, peb tab tom yuav ua qee qhov axis aligned txiav, thiab tswj cov npe ntawm cov ntsiab lus uas poob rau hauv txhua qhov ntawm cov khoom sib txawv no.
Yog octree yog tsob ntoo kd?
Tus cov ntaub ntawv ntawm txhua nplooj ntoo ntawm octree ua los ntawm tsob ntoo KD hauv zos. Nyob rau hauv lub octree, cov nodes tsuas khaws lawv cov ntaub ntawv hais txog bounding box. Txhua nplooj ntawv yog muab tus nqi ntsuas rau qhov yooj yim ntawm kev tshawb fawb.
Pom zoo:
Yuav ua li cas yog tsob ntoo me paj ntoo zoo rau?
Kev Siv Tshuaj. Cov paj me me Willow-tshuaj ntsuab muaj cov qib siab ntawm beta sitosterol thiab yog ib qho tshwj xeeb rau kev kho mob benign prostatic hyperplasia (BPH) lossis loj prostate, thiab zais zis thiab lub raum tsis zooNws muaj cov kab mob tiv thaiv, tiv thaiv -inflammatory thiab anti-oxidant zog .
Pine ntoo puas yog tsob ntoo txiv ntoo?
Pine ntoo rov tsim dua los ntawm kev tsim cov noob Tsis zoo li cov ntoo deciduous, uas tsim cov noob uas nyob ib puag ncig los ntawm cov txiv hmab txiv ntoo, cov ntoo ntoo yog nyob ntawm cov nplai ntawm cov qauv hu ua cones (pine cones). Pine ntoo muaj ob qho tib si txiv neej thiab poj niam cov qauv kev loj hlob, los yog cones.
Puas yog cashews cog rau ntawm tsob ntoo lossis ib tsob ntoo?
Teb: Cov txiv maj phaub yog ib tsob ntoo tauj thiab subtropical evergreen shrub lossis ntoo. Nws hlob nyob qhov twg cov av yog fertile thiab humidity siab. Cashews yog ib txwm nyob rau thaj tsam Central thiab South America, thiab tam sim no muaj ntau nyob rau sab hnub tuaj Africa thiab Is Nrias teb .
Puas nce tsob ntoo nrog spikes ua rau tsob ntoo?
Thaum cov spikes no siv rau cov ntoo muaj sia, nws yog kev puas tsuaj rau tsob ntoo thiab tsim kev puas tsuaj yam tsis tsim nyog Txhua qhov kev sib tsoo los ntawm kev nce toj nce toj ua rau qee yam ntoo ntoo tuag, tab sis qhov no txawv ntawm tsob ntoo mus rau tsob ntoo.
Puas yog tsob ntoo snowbell yog tsob ntoo ntsuab?
Japanese snowbell ntoo yog deciduous, tab sis lawv tsis tshwj xeeb tshaj yog thaum lub caij nplooj zeeg . Puas yog Japanese Snowbell poob nws nplooj? Lub caij nplooj zeeg xim tsis zoo nkauj, tab sis cov nplooj tig daj mus rau xim liab.
