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Archive for the 'collab. geo-annotation' Category

South Bay Zoomified

Tuesday, October 25th, 2005

I am working on the collaborative geo-annotation angle again. Tonight’s step forward was assembling and ‘zoomifying’ a base map of South San Francisco Bay. The source file for this scrollable map is a whopping 8.500 x 9, 200 pixel jpg file at 35 Mb. Click on the image above and you can zoom and pan. […]

Cartographic musings continued

Saturday, October 15th, 2005

While I am on the topic of useful maps here is a pointer to the USGS Topo section of UC Berkeley’s Map Library. There you will find downloadable USGS quads covering San Francisco Bay at several scales. (with no advertisements!) And better yet, many of the maps are available in their earlier editions with some […]

1850’s Coastal Survey of South Bay

Saturday, October 15th, 2005

Here is a fabulous development. The fine folks at the San Francisco Estuary Institute (SFEI) have posted high resolution scans of my favorite early Bay maps online. In the 1850s and again in the 1890s survey teams of the United States Coast Survey (later the United States Coast and Geodetic Survey) used plane table survey […]

Arden Salt Works

Wednesday, October 5th, 2005

Arguably, one of the more interesting sites in the South Bay is the location occupied by for the Headquarters Building of the Don Edwards San Francisco Bay National Wildlife Refuge. Their building is perched atop the southernmost of the Coyote Hills. At the south end of this hill is a landing on Newark Slough that […]

Kayak launch sites

Tuesday, October 4th, 2005

On several occasions recently I had mentioned coming across a WWW site that documented several dozen “put in” places around the Bay where one could launch a kayak. I had been charmed by the fact that one of these launching spots (#67) was our own Jarvis landing — the same little stretch of Newark Slough […]

Flickr

Friday, September 16th, 2005

As I mentioned in class, the WWW-based Flickr photo sharing site is a very handy service. Using a basic membership (free) you can upload 20Mb worth of images per month and that is alot of WWW sized shots. Flickr, now a part of Yahoo, has also developed an Application Programming Interface (API) that allows you […]