optgeo / a-1 Goto Github PK
View Code? Open in Web Editor NEWAntarctic prototype 1 - part of 63ants
Home Page: https://optgeo.github.io/a-1
License: Creative Commons Zero v1.0 Universal
a-1's People
Contributors
Stargazers
Watchers
a-1's Issues
ベクトルタイル設計情報をまとめる
今回は、https://github.com/optgeo/a-1/blob/main/constants.rb から手作業で切り出しましょう。
オルソ画像の統合
Reassign zoom levels
Looks like simplification breaks geometry.
Solution
Add --no-line-simplification to tippecanoe.
Before
node ~/vt-optimizer/index.js -m tiles.mbtiles
✔ Parsing VT file contents
Vector Tile Info
Zoom levels: 8,
Format: pbf
Center: 39.471944,-69.005653,11
Layers:
• area
• building
• coastline
• contour
• line
• symbol
Vector Tile Summary
Zoom level Tiles Total level size (KB) Average tile size (KB) Max tile size (KB)
---------- ----- --------------------- ---------------------- ------------------ ----------------------------------------------------------
8 1 2.439453125 2.439453125 2.439453125 ✓
9 1 4.7373046875 4.7373046875 4.7373046875 ✓
10 2 34.9775390625 17.48876953125 31.1630859375 ✓
11 4 412.388671875 103.09716796875 235.8623046875 ☓ Error: The average tile size of this level exceeds 50KB.
AFTER
✔ Parsing VT file contents
Vector Tile Info
Zoom levels: 8,
Format: pbf
Center: 39.471944,-69.005653,11
Layers:
• area
• building
• coastline
• contour
• line
• symbol
Vector Tile Summary
Zoom level Tiles Total level size (KB) Average tile size (KB) Max tile size (KB)
---------- ----- --------------------- ---------------------- ------------------ ----------------------------------------------------------
8 1 3.5908203125 3.5908203125 3.5908203125 ✓
9 1 7.7626953125 7.7626953125 7.7626953125 ✓
10 2 57.767578125 28.8837890625 51.5751953125 ✓
11 4 662.66796875 165.6669921875 378.5703125 ☓ Error: The average tile size of this level exceeds 50KB.
サイズ最適性確認1
pi@m330:/mnt/hdd/a-1 $ rake optimize
node ~/vt-optimizer/index.js -m tiles.mbtiles
✔ Parsing VT file contents
Vector Tile Info
Zoom levels: 8,
Format: pbf
Center: 39.597473,-69.018464,16
Layers:
• area
• building
• coastline
• contour
• line
• point
Vector Tile Summary
Zoom level Tiles Total level size (KB) Average tile size (KB) Max tile size (KB)
---------- ----- --------------------- ---------------------- ------------------ -
8 1 2.41015625 2.41015625 2.41015625 ✓
9 1 4.6513671875 4.6513671875 4.6513671875 ✓
10 2 33.8681640625 16.93408203125 30.177734375 ✓
11 4 51.779296875 12.94482421875 30.490234375 ✓
12 6 72.669921875 12.111653645833334 41.90234375 ✓
13 14 341.826171875 24.416155133928573 86.8935546875 ✓
14 41 965.24609375 23.542587652439025 85.2109375 ✓
15 131 1693.52734375 12.927689646946565 39.6123046875 ✓
16 477 2547.6484375 5.340982049266247 18.669921875 ✓このサイズ分布であれば、特段の問題はないと考えます。
南極プロジェクトの長期的タイムラインを整理する
Recommend Projects
-
React
A declarative, efficient, and flexible JavaScript library for building user interfaces.
-
Vue.js
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
-
Typescript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
-
TensorFlow
An Open Source Machine Learning Framework for Everyone
-
Django
The Web framework for perfectionists with deadlines.
-
Laravel
A PHP framework for web artisans
-
D3
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
-
Recommend Topics
-
javascript
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
-
web
Some thing interesting about web. New door for the world.
-
server
A server is a program made to process requests and deliver data to clients.
-
Machine learning
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
-
Visualization
Some thing interesting about visualization, use data art
-
Game
Some thing interesting about game, make everyone happy.
Recommend Org
-
Facebook
We are working to build community through open source technology. NB: members must have two-factor auth.
-
Microsoft
Open source projects and samples from Microsoft.
-
Google
Google ❤️ Open Source for everyone.
-
Alibaba
Alibaba Open Source for everyone
-
D3
Data-Driven Documents codes.
-
Tencent
China tencent open source team.