Scotty's Engineering Log
Scott Hudson's blog on XML, DocBook, Sci-Fi and Storm Chasing
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20040630 Wednesday June 30, 2004

Drought relief

Looks like we are finally getting some relief from the drought that has plagued Colorado for the last several years. It also rained out my oldest son's Tee-Ball game last night...

I've been participating in the Community Collaborative Rain and Hail Study (CoCoRaHS) for the last year or so.It has a terrific benefit for the public, scientists and the National Weather Service. It's also hosted at my Alma Mater: Colorado State University!

Here's my data for June 2004:

CoCo RaHS Summary of Precipitation

Station  BO87   Erie 3.1 SW     40.0193   105.2911
Station             
Station             

DATE                         PRECIPITATION
                Station         Station         Station
                  BO87                          
------------------------------------------------------------
  6/1  /2004
  6/2  /2004
  6/3  /2004
  6/4  /2004
  6/5  /2004
  6/6  /2004
  6/7  /2004
  6/8  /2004
  6/9  /2004      0.25
  6/10 /2004
  6/11 /2004
  6/12 /2004
  6/13 /2004
  6/14 /2004
  6/15 /2004
  6/16 /2004
  6/17 /2004      0.35
  6/18 /2004      0.81
  6/19 /2004      0.30
  6/20 /2004
  6/21 /2004      0.05
  6/22 /2004      0.34
  6/23 /2004
  6/24 /2004
  6/25 /2004
  6/26 /2004      0.10
  6/27 /2004
  6/28 /2004      0.36
  6/29 /2004
  6/30 /2004      0.28
------------------------------------------------------------
Total             2.84            0            0

* indicates multi-day accumulation data
(2004-06-30 09:15:23.0) Permalink Comments [1] See also:

20040628 Monday June 28, 2004

Web Services for Weather!

Some of you may have heard of WxML in the past. This is a different approach.

The National Weather Service is providing weather data now as an XML-based web service! Check it out: http://weather.gov/xml/

The service provides the data using the National Digital Forecast Database (NDFD)'s Digital Weather Markup Language (DWML)

NDFD XML contains forecasts for any combination of the following meteorological parameters:

  • Maximum Temperature
  • Minimum Temperature
  • 3 hourly Temperature
  • Dewpoint Temperature
  • 12 hour Probability of Precipitation
  • Liquid Precipitation Amounts (Quantitative Precipitation Forecast)
  • Snowfall Amounts
  • Cloud Cover Amounts
  • Wind Direction
  • Wind Speed
  • Sensible Weather
  • Wave Heights

(2004-06-28 10:05:39.0) Permalink See also:

Jango Fett arrives!

A few weeks ago, I got YACCO (yet another credit card offer). This one, however, offered a Master Card with your choice of Darth Vader or Yoda, in addition to a free collector's bust of Jango Fett from Gentle Giant Studios.

You may not know, but I'm a HUGE fan of both Jango Fett and Boba Fett! This was a no brainer. I got the Darth Vader card, and this weekend, I got the Jango Fett bust (number 1687/5000)! I was surprised at the quality of it. Most credit card gifts are pretty cheesy, but this bust is substantial!

Here's some more info on the bust: http://www.rebelscum.com/ggMBNAjangofett.asp.

(2004-06-28 09:41:12.0) Permalink See also:

Simplified DocBook for D.C.

Norm Walsh mentioned in his blog that the folks at Idealliance will be using a subset of Full Docbook, that will be very similar to Simplified Docbook, for the XML 2004 papers this year.

That's great news! I've driven the adoption of a variant of Simplified Docbook for our support documentation on SunSolve. As Bill Joy has said in a Fortune Magazine interview,

"The hardest part isn't inventing the solution, but figuring out how to get people to adopt it."

With the fathers of XML and DocBook, and the members of various XML committees all working here at Sun, I am really surprised that we don't have more everyday folks in the business adopting XML. Imagine the power of data/content reuse and exchange if XML was mandated for use across Sun! Add to that the ebXML Registry and Repository...

Lauren Wood, conference chair, has more about the new conference DTD in her blog.

I can't seem to get travel approval these days, but I'm going to XML 2004, even if I have to pay my own way. It's too important to miss. Hopefully a number of folks from the DocBook TC will be there, so we can have a face-to-face meeting. I also understand that Jirka Kosek will be presenting a paper on Indexing in Docbook, and Norm will be presenting a paper on Extreme Docbook!

(2004-06-28 09:26:11.0) Permalink Comments [1] See also:

20040625 Friday June 25, 2004

Firefox Web Developer extension rocks!

After installing the new Firefox 0.9 for Solaris, I thought I'd mess around with adding some of the extensions that are available.

Boy, am I glad I did! For anyone that works on web pages, the Web Developer extension is a MUST! For those still on Firefox 0.8, the extension is also available.

Extension features include:

  • Disable - cookies, images, javascript, styles and more!
  • CSS - add, edit, view,etc.
  • Forms - convert GET to POST and vice versa
  • Images - show paths, alt, etc.
  • Information - view cookies, headers, etc.
  • Miscellaneous - show comments, clear auth, etc.
  • Outline - display block level elements, deprecated elements, tables, etc.
  • Resize - change display size
  • View Source - um, view source. :-)
  • Options - set validators, hot keys, etc.

Such a handy tool, I wish this had been a default preference for all browsers back during the browser wars! It would have made my life easier on a number of occasions...

I'll have to see what it can do with XML content, and also look for XML specific extensions.

Get Firefox

(2004-06-25 11:59:42.0) Permalink See also:

20040624 Thursday June 24, 2004

Fun with XMerge

A year or so ago, I worked with Aidan Butler on the openoffice.org project to improve the conversion of Star Office documents to DocBook.

My group had a requirement to use a "WYSIWYG" editor to create support content, and I have been (and probably always will be) insistent on using validated, structured markup (specifically Simplified DocBook) to describe the support content.

Star Office was our best chance, at meeting both of these requirements, because it stored the data in XML. The XMerge plugin is a set of XSL transformations that does a "best effort" conversion of Star Office to Docbook.

The problem, is that Star Office is not a validating XML editor. It does store content and presentation information in XML, but cannot force the content to conform to a specific schema or DTD.

There are a few tricks you can do with locking sections in Star Office templates to force some desired structure before the content is converted, but it may still result in invalid DocBook markup. Personally, I still prefer Arbortext Epic for working with DocBook markup.

I think WYSIWYG and semantic markup are diametrically opposed. One concentrates on "look and feel" the other on what the content means. To me, it's like the Cheaper, Better, Faster argument: Pick two. You can't have them all. Writing for semantic markup requires a paradigm shift from traditional desktop publishing that most people have been trained in. More on this in a future post...

Hopefully, the StarOffice/OpenOffice teams can introduce XML validation in future versions of the product. That may prove to be quite a challenge, though!

Thanks to bondolo for his interesting post that stirred this commentary...

(2004-06-24 12:25:13.0) Permalink See also:

RAID on Sun Hardware

Do you know of the best way of performing RAID with Sun hardware?

I've got a buddy who is looking for a way to have duplicated data for his workstations, possibly using RAID 1 for mirroring so that each drive is standalone and able to be bootable without all the other drives attached that may use parity.

For Hardware solutions, I pointed him to:
A PCI RAID card for e250's and e450's (part number X6542A).
The A3500 which is a separate unit with a RAID controller built in.
The A1000 is an all in one disk and RAID controller solution.

On the software side:
Disksuite (included w/solaris)
Veritas / Sun Enterprise Volume Manager

Training:
Sun Hardware RAID Storage Systems Administration
http://suned.sun.com/US/catalog/courses/ES-255.html

As always, for system specific information, I'd check out: http://sunsolve.sun.com/handbook_pub/Systems/

and if all else fails, http://supportforum.sun.com.

Any experts with RAID using Sun Hardware have any tips?

(2004-06-24 12:07:35.0) Permalink Comments [2] See also:

20040622 Tuesday June 22, 2004

new freebXML Registry releases!

Farrukh Najmi and the freebXML Registry team (formerly ebxmlrr team) have released version 3.0-alpha2 of their royalty-free open source implementation of the ebXML Registry standard.

The new version provides most of the new features of the ebXML Registry 3.0 specifications, though the ebXML Registry 3.0 specifications are not yet final.

This is exciting because the 3.0 specs provide a lot of content management capabilities, which includes pluggable support for content-specific validation and cataloging services as well as content-based query support.

ebXML Registry v3.0 has all of the capabilities of a robust content management system, including validation, workflow, query, metadata, and even delivery for content. Also, being aware of other registries is extremely powerful, both for replication and re-use!

Given the variety of CMS systems deployed at Sun, it would sure be nice if we could standardize on this.

Check it out at: http://ebxmlrr.sourceforge.net/3.0

(2004-06-22 14:36:01.0) Permalink See also:

20040621 Monday June 21, 2004

Trinchera, Colorado

I grew up on a ranch in southeastern Colorado. Not many people know or have heard about Trinchera, but it looks like the weather service does!

308 PM MDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAS ANIMAS COUNTY IN SOUTHEAST COLORADO

* UNTIL 415 PM MDT

* AT 306 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 22 MILES WEST OF TRINCHERA...AND WAS MOVING EAST
  AT 15 MPH.

* SOME LOCATIONS AFFECTED WILL BE...
  7 MILES SOUTHWEST OF TRINCHERA BY 415 PM MDT

AT 306 PM A NATIONAL WEATHER SERVICE SPOTTER SAW PENNY SIZE HAIL 3 
MILES 11 MILES SOUTH OF TRINIDAD.

In case you would like to visit, there is a post office (zip=81081), and about 12 residents. I used to have to ride a bus 18 miles to Kindergarten in Branson, Colorado (Go Bearcats!)

Truth be told, I was born in Raton, New Mexico, as it was a shorter drive from the ranch than going to Trinidad! I only spent those first two days in Raton, so I still consider myself a Colorado native.

(2004-06-21 15:26:33.0) Permalink Comments [1] See also:

Congratulations, SpaceShipOne!

SpaceShipOne and Mike Melvill completed their historic Private Manned Spaceflight today. Congratulations! Now they just need to launch three passengers into sub-orbital space, return them safely home, then repeat the launch within two weeks with the same vehicle.

If you guys still need that third passenger, please let me know...

I can't wait for the space tourism industry to blossom. I certainly plan to be onboard when the price is right!

(2004-06-21 11:59:07.0) Permalink See also:

Star Wars Trilogy DVD expected to sell out

Looks like the original Star Wars Trilogy is expected to sell out on DVD, so you better get your pre-orders in now!

Okay, it's not really the original Trilogy, they are the Special Edition versions, but that's all you can expect to get from LucasFilm now. I actually liked the Special Editions, as they included some details from the original books that didn't make the cut. They also rounded out some of the scenes. Empire Strikes Back had some great additions, specifically in the Wampa Cave and Cloud City.

(2004-06-21 11:50:52.0) Permalink See also:

20040618 Friday June 18, 2004

Java-enable THIS!

Forget what Scott McNealy said about putting a Java chip in every lightbulb. I have found a much more pressing need: Smoke Alarms.

I don't know what law in the universe requires the batteries in smoke alarms to run out just as you are just falling asleep, or when you are in a dead sleep, but it is a universal constant.

Manufacturers "helpfully" designed some of the alarms to chirp every 10 minutes until you change the battery and some they designed to fully sound off for 2 seconds and then stop before you can figure out which one needs help. All very annoying when you are sleeping blissfully.

What we need are Java-enabled smoke alarms that detect low battery levels, and then send you an email and their location or ID number. Optionally, they could place an order for their replacement, just as Scott envisioned with the light bulbs.

If there is an actual fire, er sorry "thermal event", the Java-enabled alarms could detect the smoke, and temperature increase, turn on Java-enabled emergency lighting and notify the local fire department!

All you Java evangelists and Smoke-alarm companies take note, and please make this happen soon. I'm a little short on sleep this week...

(2004-06-18 06:35:45.0) Permalink Comments [1] See also:

20040617 Thursday June 17, 2004

My second favorite type of weather

A brisk 50 degrees F, and a lovely, misting fog envelopes the Denver metro area today. As a storm chaser, I love the big lightning storms, but the mist and fog we tend to get during spring and fall in Colorado have to be my second favorite weather type.

The mist and fog makes me feel contemplative, not depressed. It also prompts me to visit Scotland all the more. Hopefully for my 10th anniversary!

I have experienced Thundersnow here in Colorado, and I wonder if there isn't such a thing as Thunderfog?

I'm glad God likes variety, too.

(2004-06-17 08:19:06.0) Permalink Comments [1] See also:

DME knows the Handbook!

ongoing has already mentioned David Edmundson's project, but I must say this is the most interesting use of an E450 I have ever seen!

Glad to see he's using the Sun System Handbook E450 page if he runs into any problems, though we don't describe this particular type of environment or use.

Next, perhaps David should look at building a shock-absorbing rack mount, and a Sun Fire B1600 Blade System Chassis for expandability, hot-swapping, and more cargo space!

(2004-06-17 08:10:07.0) Permalink See also:

20040616 Wednesday June 16, 2004

E2900, E20K, E25K Handbook pages now available

As boston pointed out, the E2900 midrange server, and E20K and E25K high end server Handbook pages have now been released on the Sun System Handbook!

Pretty amazing that all of this information is painstakingly gathered and published by a team of three (overworked, underpaid and underacknowledged) knowledge engineers...

(2004-06-16 12:32:09.0) Permalink Comments [1] See also: