New GiS for History site
woodbri at SWOODBRIDGE.COM
Tue Sep 12 14:52:31 EDT 2006
Sorry, I forgot to mention that I am using FireFox, and it is still
broken in that. EI loads ok.
Ben Loh wrote:
> Hi Stephen,
> Thanks for the note.
> Ack. How's that for an inauspicious debut...
> That's what I get for adding a last minute shortcut. It ought to work now.
> In general, your load time ought to be less than 2 seconds. Our
> server's connection also isn't quite optimized yet (it's sitting in an
> office right now), so load times might also vary depending on other
> I apologize for the inconvenience.
> At 1:52 p -0400 9/12/06, Stephen Woodbridge wrote:
>> Hi Ben,
>> doctopicsEl has no properties gishistory.js (line 113)
>> And the Loading...111.109 message continues far longer than I was
>> willing to wait. How far does it have to get on the initial load?
>> Ben Loh wrote:
>>> Hi folks,
>>> I just thought I'd share our new web site prototype for exploring
>>> historical census data intended for high school and college students.
>>> Obviously, it's based on mapserver. We're using php-mapscript with
>>> AJAX for the interface. I'd be very interested in any input that any
>>> of you have, as we're not GIS pros.
>>> The main url: <http://www.gisforhistory.org/>
>>> A direct link to a map:
>>> A few highlights:
>>> * We're using historically accurate county maps from NHGIS along with
>>> historical US census data from 1790 through 1970, and a few layers
>>> that we constructed ourselves. (One big issue we have right now is
>>> that we aren't using simplified shape files for the counties, so the
>>> load time is rather slow. My guess is that we can cut down the load
>>> time by about half with simpler shapes.).
>>> * To help students keep track of what they're doing, we implemented a
>>> "Query History" that records each click/setting they make ala
>>> Photoshop's history feature.
>>> * You can pan ala google maps by dragging the map. (We're still
>>> troubleshooting a problem with Win IE where if you have the
>>> "Temporary Internet Files" setting set to "Every visit to the page"
>>> we run into caching issues while dragging).
>>> * We're using AJAX to try to minimize bandwidth issues, as many
>>> schools have a narrow pipe. (We're still trying to optimize loading.
>>> minimize the number of files that need to be downloaded from the
>>> server with any single call).
>>> * The site is intended for novices, so it is deliberately simple.
>>> We'd love to hear any suggestions or rants!
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