Meshlab Tutorial.pdf

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meshlab 说明书, 英文版。
OPENING POINT CLOUDS IN NOTEPAD + Let us understand what is a point cloud. First of all, it is a collection of point coordinates as you can see in the figure bellow Here we see a point cloud n PlY ascii format edited with notepad ++ (http://notepad-plus-plus.org/download/v6.1.2.html) wE' C\Users Imate ust Desktop teste (column 1_pts,ply - Notepad++r c问x Ficheira Edrtar Procurar VeI Cod ficar ao Lincuage Confiquracoes Macros Ececutar TextFx. Plugins Janela G四喻县哈酯||晶考|国国E▲ 日cmn_1rtpy rat. 11.0 4 element ver=es250484≤ operty f property float z 9 property li3-uchar int verex indices 1231,814!±,2b1B.bC2 331.963,8989±4.92557 1532393574446 1732.4273.384174.5713 4523.998653.941 3,395354,6∈258 .905 ,6513.05975.15124 632.02223.997113.01cE 2731,80914.027532,37521 19643.314794.91 931.74073.993443.62449 33653 3531.69763.885925.0259 Nurnd ex. ile uyh:6173817G lir e>: 2504855 L: 1 Cul: 1 Sel: 0 ANSI 11:53 3 Here we see a point cloud in ply format with binary encoding edited with Notepad++ Binary encoding enables small file sizes but their content can't be edited manually. In both cases the header of the file is readable. We see how many vertexes, the order for which coordinates are presented, and, in this case. there are no faces L' C:User\mateus Decktop testeicclumn _ 1_pts _ binply.Notepad+- FIcheirc Editar Procurar ver cocrticaga Ling uagem -ontigulagoes Macros becutar lectFx Plugins Janela 2 回|贮曲倒象国国|三回圆团副y画a学 日somp图om1p图eum-rh 2 ormat h⊥naxv11tt1een丑an1.0 commment vC GLIB genera-ed Lex250姓84± 5Px。 erty f12at又 G prorerty flaat 7 prorerty g prorerty list uchar in- vertex indices 113wy aYn 128小e8厘购边“828图国0國[8的如1?图k.晒的9105F的e80题mBB:e63·eI 13;62距3vAfi國+地×E”伪*个自BBEe國3,國回v聊画9國3-0國的f+8B0D2-9sBbD4SHB区 DC1s0HEUv(s]3GiIbAENO4fGx SO3GETXISCH 15-m@-的DB,配回83DA,yD国p1]是>c回0kEi,!me3Bwai国"8UBE3 CeA ypaueeeu画 16@>回3;》E1B:!回凹0切.:R幽邮;聪·比FBY,的z的水D劇白=DC的!时)是一如叫剧,C于-國8.3 17k邮!國纯各小t圆9N8÷3的re!堆9P 18风 HBGSETXEO 19地×回O胆,,+國A的"90仍感》5自的M,的驻1R距画A,9圖國B+!E《c÷sB"ea 20×0B5日回0B刷,回B48/<9”图38的时回v睡Abi回的睡8pA :是4时4回syeC893MGE8E9训8f3SH f”e的3EET丶Ai;fUe 23h巨~c的是F蜒的<6132我,幽Nh士P”边组的如融國la地5-W#坠土m的”》-工H 24c〖?工"國回回0]:?K,回回k2 25=创-y手C食,冲刚的-2的42[RhYn的rs 26m如即画;3日yA距g--A}j 圖翻1到预种吗n颐期m圖的T的圈Aa-:酬~业聊?“每团围y而nsy4门n夏如a草“,( 8m吧B3?5!囤的吧的tei3<y 29w,@间u一4x刚A,·联e,》5 308rT8Q四的k,困“8"yB阻弘-f8882pf °:·9图- fNee“R 1vcs,SHB.8!BJ!6,回-1b,68B囤e國8:s:,图民“08+1民,kHSY°f2 2国-E-28画e,93B三k 3*8D@”99e<e注xA}的的:,时工少的84·9v9》函·國"vkcw:ay"e- Norma text file nqth:30058323ine:149183Lr;1cc:1 UND 105-70 4 The point cloud that correspond to this picture also presents normals for each point (we may say that there is an implicit surface), color(in RGB space), and a quality parameter(last column). Again, there are no vertexes E'CAUser: MaTeus Desktop tutorial mesha b FMR0._519-263-asdiply Nctepad " vecutar led+X Plugins Janela? FIc hec Editar Procurar Ver CocrtIcaca] Linguagem -ontigulagoes Macros I 回|贮曲倒象国国|回圆团副y画a学 日mn1om回cm阳1 FARO LS1434x532 2. format a8c111 C commment vC GLIB cEnera-e- 5Px。 erty f12at又 G prorerty flaat rcrtElaat 1 prorerty uchar red 12 prorerty uchar green 15 properLy1 JdL uU.c-I⊥LY 16 element =20= o 7 proPerty list ucher in= vertex indices 19-6.28894-7.535251,32832-c.07003050.9951550.0690023104102882550.75037 205.67891-8.59374 ,9T4710.9545 2850 4513313c 22-0,553866-102628,73±83-0,2650739,9658570016292113111101255,8025 37.4日1一.1127610.4743-0.2223335.744.512组21049372550.74646 24-.6如6220.2322E0,性35302C.157104-0.9040310.07205212512111225J0.92623 25-14.3091-7.73910.959122-0.072020.q6301-0.045658111910176550.75818 26-1.419780.729592,472C.136199-0.9064-51403461121121122530.7543 9513.1 1 29-0.8893940.218852-1.±95150.84015-0.25∠930.9897377971582550.535±2 302,14991,412-1,-2672-,37175-,:33194-2,aQ9日9644353c255Q,2B92 11.2E656-2.5115-1,67531-.05395:2-·.15·345,9934891041。19255.71 327.554163.07152E,15535·C,4950.962C30.01B357日1731721∈2551.3326日 s78-2.8±217-1.560 432-c-121 s3014 4.2F59-13.416711.1252-7.1067540.9739-0. 31631441 551.0747 357,3日878,10291,82239c,2556510966737,09750:6151162182551,21153 Norma text file nqth:1605114ms2074223Lr;1cc1s-:0 UND doming, 1: de Maio d= 20 12-23 5 OPENING POINT CLOUDS IN CLOUD COMPARE Cloudcomparecanbefreelydownloadedfromhttp://www.danielgm.net/cc/ This software doesn 't require installation. Just unzip it and launch cQQ exe Besides ply format it can also open other file formats. Explore it udccmpa Edit Tools Display Plugins 3D VewsIlelp 回目卧×1题的8y中四于0Lms副圖如做感● 9回chm2( Ukervlmmate ● column1- Cloud State/value urrent Ciep K:C972275 Box dimensions ox cEe FLY. Elenert face was ig ored as it has C in:tance 圈 OPENING POINT CLOUDS IN MESHLAB Meshlabcanbefreelydownloadedfromhttp://meshlab.sourceforge.net Point clouds can be open by double-clicking in a ply file (if you associate this file format to MeshLab. Here we see the point cloud corresponding to the first and second ply files shown above. Since there are no normals associated with the points there is no light effect a MeshLab v13.-[Proect 向x e -ilc. Edit Filters Render /icw Windows Tocls Hdp 自园心兮问圆的a92⑧d/圈面明哪①x繁 ③" de sl as‖ 13-052012 NAVIGATION IN MeshLAB 1. Left mouse button+ drag: rotate around trackball center 2. Mouse wheel: move forward or backward 3. Center mouse button +drag: pan 4. Shift +mouse wheel: change camera field of view 5. Double click on specific point: places that point at the trackball center 6. Control +mouse wheel: moves near clipping plan 7. Control+ Shift mouse wheel; moves far clipping plan 8. Alt enter: enter full screen mode 9. Control Shift left mouse button drag: changes light direction(this only takes effect if there are normals VISUALIZATION OPTIONS IN MeshLAB A ppearance options can be found under the menu tools Other appearance and info options can be found under the menu VIEW Also explore the menu rEndER to change lighting, shaders, render mode and color 8 VISUALIZATION OPTIONS IN MeshLAB Layers can be displayed under de view menu or by clicking in the layer icon. This is useful if you open several point clouds or meshes. Each point cloud is assigned to a specific layer. The layer dialog looks as follows. You can turn off a layer by clicking in the eye icon. You can delete a layer by clicking the-icon O Mehl ah v i7-[Project_1 x o File Euil Filters Rerde Viev wIl Show Layer Dia og se0 FAF.O_LS1434_262 ply 1F40L5143423 Overed ze 可「回」‖ △P14m SAVING A PROJECT IN MeshLAB A project is nothing more than an information structure. It doesn't contain the point clouds itself. It can be saved with the format mlp(default meshlab project file) or aln (align file) under the menu FILE. both this kind of files can be edited with a text editor. a project file looks like the following(edited with Notepad ++). It stores the point cloud file paths and poses (given by a 4x4 matrix). By default the identity matrix is assigned to all files opened FicheiroEditar Procurar Ver Codiisagao Linguagem Configuragies Macros Executar Textx PluginsJanela? 四回验吕|4能c曲创(国国国·回团圆△画学 1<1C.YP+ Me3nlarIxnclmemt> 3 < NeshGrcup5 <IHs:1al=1-"FARo工1434262,p1v"⊥11m-"FRL31434262.w < MMMatrn±4 0 1 D 10</ aMati复唾4> <MLMear IabEl=EARO I1434 263ply filename=F!RC Ls1434 263ply < Matx1X±4> 160012 19</MLMe=h> 20 <MTMesh 1.ah=l="Gn11mm_1.nly" filename=".testP/column_1.nly"> t型X44 23。1p 7</MMeans /MeshGroup> 30 </MeshLarErojact> 10

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