转自:http://blog.thematicmapping.org/2012/11/exploring-mapbox-stack-mbtiles-tilejson.html In my last blog post, we created a population density map of New Zealand using QGIS, SQLite and TileMill. Today, we’re going to publish this map to the web using…

mbview是一个查看.mbtiles文件的本地程序. https://github.com/mapbox/mbview .mbtiles文件就是一个Sqlite文件,用Navicat Premium可以打开查看 一共有三个数据库 metadata.sqlite_stat1.tiles…

感谢Mapbox,带来了一整套完整的地图方案. 你可以把你的地图放在Mapbox的网站上.也可以使用他们提供的开源软件自己架设地图服务. Mapbox的地图方案包括web,ios和android. 不过android目前属于不成熟阶段.但是相信很快就会成熟起来. 一个比较舒服的地图自制流程如下: Qgis 处理各种GIS数据,导出为shp或GeoJson等格式 ==> TileMill 生成 .mbtile ==> tilestream 在线地图服务 或 直接由Android/IOS SDK…

TileJSON TileJSON is an open standard for representing map metadata. License The text of this specification is licensed under a Creative Commons Attribution 3.0 United States License. However, the use of this spec in products and code is entirely fre…

MBTiles Specification MBTiles is a specification for storing tiled map data in SQLite databases for immediate usage and for transfer. MBTiles files, known as tilesets, must implement the specification below to ensure compatibility with devices. UTFGr…

Archaeologists have discovered a new set of hidden caves in one of the Egyptian pyramids. The decryption of ancient hieroglyphs on the walls nearby showed that the caves structure is as follows. There are n caves in a pyramid, connected by narrow pas…

SuperMap iServer 支持生成符合MBTiles规范的预缓存(MBTiles是由MapBox制定的一种将瓦片地图数据存储到SQLite数据库中并可快速使用,管理和分享的规范. 该规范由MapBox制定,详见http://mapbox.com/mbtiles-spec/).要生成符合MBTiles规范的预缓存,需满足以下条件: 所用数据的地图投影系统为:Web Mercator. 按照下表中的比例尺列表生成预缓存.这种比例尺定义的初始化显示级别0中包含了1张覆盖全球的256*256大小…

Exploring Python Code Objects https://late.am/post/2012/03/26/exploring-python-code-objects.html Inspired by David Beazley's Keynote at PyCon, I've been digging around in code objects in Python lately. I don't have a particular axe to grind, nor some…

Exploring the 7 Different Types of Data Stories What makes a story truly data-driven? For one, the numbers aren’t caged in a sidebar graph. Instead, the data helps drive the narrative. Data can help narrate as many types of stories as there are angle…

Exploring Pyramids Archaeologists have discovered a new set of hidden caves in one of the Egyptian pyramids. The decryption of ancient hieroglyphs on the walls nearby showed that the caves structure is as follows. There are n <tex2html_verbatim_mark>…