---
tags: chatlog
---
# 04-15: Lupang Arenda chat log
| Person | Message | Time |
| ------ | ------- | ---- |
| OpenStreetMap Philippines | Hello! Please take your time to read tonight's session guide: is.gd/cbrdob | 16:26 |
| Win Olario | Leigh?<br>Bunny? | 19:17 |
| Leigh Lunas | Hello! | 19:22 |
| maning2 | Maning from Marikina/Pasig! | 19:29 |
| Guest | Leigh - Quezon City! | 19:30 |
| DEARPAUL24 Base MAIN | DEARPAUL24 from Dasmarinas City | 19:31 |
| Bunny | Bunny- Land of Marikina. 😃 | 19:33 |
| OpenStreetMap Philippines | Speakers may use English or the local language, but feel free to ask questions in English in the chat box. | 19:35 |
| ianlopez1115 | Will eat first, hahabol ako after ~15 minutes | 19:38 |
| OpenStreetMap Philippines | ok | 19:38 |
| ian | Ian - Makati | 19:41 |
| OpenStreetMap Philippines | hi V. need any help? | 19:43 |
| maning | hugot ni leigh! | 19:49 |
| OpenStreetMap Philippines | hahaha | 19:49 |
| maning | ano yung ortho, dsm, dtm?<br>pix4d | 19:51 |
| ian | hahaha madaming good experience sa drone flying jan si Leigh | 19:52 |
| maning | openaerialmap.org | 19:53 |
| angel | are the data produced available online | 19:55 |
| maning | yes | 19:55 |
| angel | via open street map po ba? | 19:56 |
| OpenStreetMap Philippines | Next to ask is Angel. | 19:56 |
| maning2 | [OAM URL](https://map.openaerialmap.org/#/121.10675275325774,14.54205206469623,17/square/1323031220013132330/5dad0e1c16c43b00058d0262?_k=9g772x) | 19:56 |
| angel | yes taga TAO-Pilipinas | 19:58 |
| Leigh Lunas | Hi Angel!<br>Awesome! | 19:58 |
| angel | sorry hina net | 19:58 |
| ian | Hi Angel, can you type your question instead? 😃 | 20:00 |
| V | May defined altitude po ba kayo sa pag capture po ng image? | 20:02 |
| ian | yes, if remembered it right, we're flying at 100-120 meters | 20:04 |
| Leigh Lunas | we flew @ 120m! 😄<br>-Leigh | 20:05 |
| V | Thanks po. | 20:05 |
| Leigh Lunas | My hugot Lupang Arenda write up. Dami ko feelings mauubusan na ng time hehe.<br>[blog post URL](https://geoleighyers.wordpress.com/2019/11/06/urban-aerial-imagery-collection-and-other-things/) | 20:06 |
| maning | ❤️ ❤️ | 20:07 |
| angel | hehehe... madami talaga ang hugot sa LA when doing fieldwork | 20:08 |
| Guest | Hehe 🤣 | 20:09 |
| angel | can you download the data or just online?<br>ok thank you | 20:09 |
| Eugene | Gaano ka-accurate ang DTM? | 20:10 |
| JLbernas | Hi po. WebODM po ba ginamit to generate DT from orthophoto po?<br>DTM | 20:10 |
| Bunny | Hi JL. yes WebODM rin ginamit namin to gerate DTM and DSM | 20:10 |
| angel | can we generate building elevation thru the DSM? | 20:11 |
| JLbernas | thank you po | 20:11 |
| angel | we need to which houses are more than 2 storeys | 20:11 |
| maning2 | @angel yes! [OSM diary URL](https://www.openstreetmap.org/user/maning/diary/390573) | 20:11 |
| angel | \*need to know | 20:11 |
| Leigh Lunas | @Eugene 10cm yung DTM hehe | 20:11 |
| Eugene | Basically, how does the software know how to subtract trees+houses from the DSM to generate the DSM? | 20:12 |
| maning2 | Integrated na sa softaware either pix4d or odm yung subtraction ng surface sa terrain | 20:13 |
| mapbeks | baka matirador yung drone jusko | 20:14 |
| OpenStreetMap Philippines | Heads-up everyone, the dedicated technical drone #WeMap session is scheduled for 29th April. Watch out for it! 😃 | 20:14 |
| Leigh Lunas | @Eugene for Pix4D meron dito sa notes nila:<br>[Pix4D URL](https://support.pix4d.com/hc/en-us/articles/202560579-How-to-automatically-generate-a-Digital-Terrain-Model-DTM)<br>I mean merong explanation hehe. | 20:15 |
| angel | thank you for sharing this!<br>gising pa | 20:16 |
| maning2 | https://hackmd.io/lgnGL0VlTYm56wolwk1m3g?view | 20:17 |
| DEARPAUL24 Base MAIN | V is lost in this live | 20:19 |
| maning2 | https://tasks.hotosm.org/project/6228 | 20:19 |
| feye | 😮 | 20:41 |
| angel | yes mahilig sila sa roofdeck diyan | 20:43 |
| Leigh Lunas | haha! | 20:45 |
| maning2 | plug ko lang, kung gusto nyo ng drone imagery sa inyong area. Contact nyo lang si leigh, bunny and ianG.<br>Sama nyo na lang ako as miron. 😃 | 20:46 |
| ian | hahaha<br>game! | 20:47 |
| angel | yes currently may hinire silang GE to do surveying<br>malapit na silang matapos as far as i know<br>kasi 28 HOAs na ang nasurvey | 20:52 |
| mapbeks | noted | 20:54 |
| Leigh Lunas | sir maning as visor. hahaha. | 20:55 |
| ian | within Pasig pala (syempre within pasig lang yung quarantine pass ko hahaha) kung may ipapa-collect kayo na data... pwede mag request ng assistance sa Pasig Drone Team thru Pasig City DRRMO. Hiramin natin mga drone / drone pilots ng pasig hehehe sulat lang ng letter of request. | 20:55 |
| Leigh Lunas | Nice!!! Thanks sa info Ian! | 20:55 |
| DEARPAUL24 Base MAIN | building=construction | 20:58 |
| mapbeks | thank you po guys sa learnings 😃<br>gtg salamat po ❤️ See you po tomorrow ng 1pm sa mga interested po sa NOW OPEN mapping activity. | 20:59 |
| Leigh Lunas | ohh thanks sa tag @dearpaul | 20:59 |
| feye | see u tom mikko! | 20:59 |
| Leigh Lunas | see you tom mikko!!! ❤️ | 20:59 |
| angel | nice | 21:01 |
| ian | raffle naman Maning!!! hahaha | 21:02 |
| Leigh Lunas | birthday gift! | 21:03 |
| Bunny | convid brew | 21:04 |
| Leigh Lunas | haha!! | 21:04 |
| angel | recorded po ba ito doon sa mirror site sa youtube? | 21:04 |
| maning2 | yes angel. | 21:05 |
| OpenStreetMap Philippines | yes | 21:05 |
| angel | so we can rewatch again?<br>ok thank you | 21:05 |
| Bunny | inuman na! hehehe | 21:08 |
| angel | question: sa validating what does it mean if may error sa roads? | 21:08 |
| Eugene | Anong error ang sabi? | 21:09 |
| angel | wait sorry.. pinapatanong lang ng mga nanonood sa youtube | 21:11 |
| Die Walderganger | 👋 👍 👍 😊 | 21:12 |
| angel | yung ground truthing niyo is it thru the 3d street view? | 21:13 |
| Bogart | gtg. balikan ko na lang task kapag mabilis connection ko. | 21:13 |
| Die Walderganger | Muchas gracias from México | 21:13 |
| angel | thank you po sa sharing.. i learned a lot.. | 21:13 |
| Guest | Byeeee po | 21:13 |
| angel | mostly there is data..and we need not repeat doing the survey<br>wow congrats! | 21:15 |
| feye | yay! | 21:15 |
| Guest | Yaaaaayyyy | 21:15 |
| maning | 👋 👏 | 21:15 |
| angel | we will try to do this in our office<br>help you in the validation | 21:16 |
| Guest | Wow! | 21:16 |
| ianlopez1115 | No webcam until end of quarantine, unfortunately | 21:17 |
| maning2 | http://is.gd/4s07ef | 21:18 |
| angel | thank you<br>info pala: basically 96 hectares ang buong LA.. so malaki laki ang minapa niyo so thank you for the info you have provided<br>bye | 21:23 |
| Bunny | tama nga around 96has. ang arenda. average area na pwede cover ng 15mins flight is around 15-20 hectares<br>paalam. cheers! | 21:24 |
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