JMC Lecture 2018-12-07

2018年12月7日「地理文化講演会」

Transcript

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18. Four strategic commitment 18
19. 19  
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20. Use new technologies for Sustainable Development 20 UN Open GIS Initiative 
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24. Source: https://maps.gsi.go.jp/development/vt.html#about 24
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     Objective To facilitate the production of vector tiles for basemaps by public organizations. Structure Import Produce Host Style Optimize Existing datasource e.g. PostGIS, Shapefile, GeoJSON Tippecanoe Maputnik Interoperable with both Open Source and other frameworks. Tailor-made Node.js scripts Openly maintained on GitHub. Maximum use of existing OSS while adding tailor-made scripts shared openly. vt-optimizer 25
26. 26 Technical details Import data and assign layer names and zoom levels. Custom open source scripts. Create vector tile packages in mbtiles format. Tippecanoe Host modular vector tile packages in a simple and scalable manner. Custom open source scripts. Style hosted vector tiles. Maputnik Enhance the optimization of the size of individual vector tiles by visualizing them. vt-optimizer and other custom open source scripts. Import Produce Host Style Optimize
27. 27 The UN Vector Tile Toolkit is a collection of tools, rather than a monolithic DB/Server suite. Because: ü Inputs are diverse. ü Depolyment environments are diverse. Flexibility is the core value. And sometimes the server shall be isolated from the master database (for security and scarability).
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29. Geospatial Information Authority of Japan 29    
        
30. OSGeo.JP 30   
         FOSS4G  OSGeo  
31. OSGeo.JP Workshop for the UN Vector Tile Toolkit 31 A great opportunity to share the experience. OSGeo.JP Workshop 2018-12-02
32. The workshop material is also online. 32 https://speakerdeck.com/hfu/the-osgeojp-workshop-for-the-un-vector-tile-toolkit
33. 33 Within a few hours, you can create a web map as good as this. Or you can make it even better.
34. 34 http://vectortiles.xyz:8765/hands-on
35. 35 Natural Earth Natural Earth Global Map Survey Department, Sri Lanka OpenStreetMap OpenStreetMap contributors Integrated into a single vector tileset using the UN Vector Tile Toolkit
36. 36 And this is: 100% vector tiles. 100% open source. No access token required.
37. 37 Why Vector Tiles?
38. 38 Evolution of web maps
39. 39 Reference: https://tmcw.github.io/presentations/jsgeo 1 Untiled WMS Selection by BBOX 2 Image tiles Predictable & cached 3 Tiles and overlays Vector retrofit 4 Vector tiles Everything in vector Evolution of web maps for performance
40. 40 Reference: https://tmcw.github.io/presentations/jsgeo/#33 Image tiles are facets of a gigantic image Vector tiles are facets into datastructure, a straightforward way to vector geospatial data.
41. 41 1. Get source data 2. Add design properties 3. Build vector tilesets 4. Host the vector tilesets 5. Style the hosted vector tiles
42. 42         
43. 43 9.C Significantly increase access to information and communications technology and strive to provide universal and affordable access to the Internet in least developed countries by 2020 + Vector Tiles even saves the bandwidth use. Vector tiles are gradually getting ready for everyone.
44. 44 Just because vector tile technology is specialized, it needs a global community.
45. 45 We can do it better together. OSGeo.JP Singapore University of Moratuwa Viet Nam Thailand UNGIS India
46. 46 Cross-sector partnership academia company company company company company academia company international organization company academia government company academia academia (tbc)
47. 47 How was the workshop like?
48. 48 Introduction of lecturer by a student volunteer
49. 49 Explain the process in the command-to-command basis
50. 50 Real hands-on experience
51. 51 Face-to-face knowledge sharing
52. 52 Group discussion
53. 53 Realtime support by OSGeo.JP And the photographer.
54. 54 Exchange of knowledge from public organizations’ viewpoint.
55. 55 Sophisticated issue sharing based on professional educator’s experience
56. 56 Sharing detailed business use cases e.g. requirement for Universal Transverse Mercator
57. 57 Geospatial innovation by the partnership of the private sector and the public sector.
58. 58 Speech by the representative of the OSGeo Japan Chapter on the strategic importance of this workshop.
59. 59 He is a professional researcher.
60. 60 We shared the understanding that the equal partnership is important.
61. 61   
    
     
     
62. 62 The next day
63. 63 FOSS4G Asia 2018 The first keynote speech 2018-12-03
64. 64 The plenary was with full attendance, from private, academic, and public sector.
65. We released the version 1 at FOSS4G Asia 2018 in Moratuwa, Sri Lanka https://github.com/un-vector-tile-toolkit 65
66. 66 Yes, it is true.
67. 67 Well organized meeting. With traditional light.
68. 68 Surveyor-General of Sri Lanka has participated.
69. 69 And many students, who also contributed as volunteers, joined to listen to the keynotes.
70. 70 Hoodie as software developers’ culture
71. 71 Prof. Raghavan of Osaka City University offered a token to the Surveyor General FOSS4G Asia 
       
72. 72 UN Vector Tile Toolkit: Next time with your data. Because everyone wants (authoritative) basemaps which are optimized and interoperable.
73. Your language is a powerful tool to contribute. 73 Common Language Local Language Local language is good for better organizing (1) your idea (2) your local commutiy
74. 74 External contributions happened or began on the day 1.
75. A blog entry to introduce the workshop material in the Thai language 75
76. Agreed to work for vector tile support by a field data collection application 76
77. UN Vector Tile Toolkit: What is happening on the Day 1 / Version 1. Design and development Pointing is not necessarily accurate. Support by a mobile field data collection framework. UN internal basemap prototyping Version 1 release Blogging in Thai language. Docker image development. optimizer improvement Basemap prototyping Product promotion
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