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jpcurcio
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Joined: April 01 2007
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Posted: April 23 2007 at 02:47 \| IP Logged

I've been trying to use the "get weather" macro posted by TonyNo, and run up against a couple issues. The "current forecast" doesn't seem to work reliably, and I think I found the issue. My problem is that I don't know how to fix it.

When the macro grabs the forecast, it inevitably overruns the 1024 character limit of the CURFORECAST global variable. If this happens without properly closing a statement (such as a <img src="http://), it won't parse the variable properly in PH and therefore won't announce the weather.

Has anyone found a workaround for this? My first thought was to dump the wunderground image text, since it's useless for use in PH, but that would probably be difficult

TonyNo
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Posted: April 23 2007 at 07:40 \| IP Logged

I've not seen this, so I'm interested in anyone else having this problem.

Something like this should do it...

SET SYSTEM [LOCALx] ph_replaceallregex( "<img ~255>", "", [LOCALx], 0)

jpcurcio
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Posted: April 23 2007 at 12:09 \| IP Logged

TonyNo wrote:

I've not seen this, so I'm interested in anyone else having this problem.

Something like this should do it...

SET SYSTEM [LOCALx] ph_replaceallregex( "<img ~255>", "", [LOCALx], 0)

That sounds like it will work... but it raises (yet another) question. Can I nest the ph_regexdiff() statement used to grab the forecast inside the ph_replaceallregex()? I'm assuming that I can...

-JPC

nadler
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Posted: April 23 2007 at 13:56 \| IP Logged

I use the following weather macro which I copied from this board and have used for over a year. I think it was written by TonyNo and then he subsequently modified it to the macro you are using now. I only offer it because I note that it snaps the forecast differently and might be of some help.

insert into macroheader values ('GET WEATHER','GET WEATHER',1,1,1);
insert into macrodetail values ('GET WEATHER',1,37,'',NULL,'The next line snaps out the temperature in degrees farenheight.',0,'');
insert into macrodetail values ('GET WEATHER',2,15,'[LOCAL1] ',NULL,'ph_geturl("http://www.weatherunderground.com/cgi-bin /findweather/getForecast?query=11733")',0,'');
insert into macrodetail values ('GET WEATHER',3,15,'[LOCAL2] ',NULL,'ph_regexsnap("<nobr><b>\(.+\)</b>& nbsp;°F</nobr>","[LOCAL1]",1,0)',0,'');
insert into macrodetail values ('GET WEATHER',4,37,'',NULL,'The next line uses the regexdiff function to get the humidity.',0,'');
insert into macrodetail values ('GET WEATHER',5,15,'[LOCAL3] ',NULL,'ph_regexdiff(">Humidity:</td>~255<nobr&g t;<b>","%</b></nobr>"," [LOCAL1]",1,0)',0,'');
insert into macrodetail values ('GET WEATHER',6,37,'',NULL,'The next line gets wind in miles per hour.',0,'');
insert into macrodetail values ('GET WEATHER',7,15,'[LOCAL4]',NULL,'ph_regexdiff(">Wind Gust:</td>~255<nobr><b>","</b> ","[LOCAL1]",1,0)',0,'');
insert into macrodetail values ('GET WEATHER',8,37,'',NULL,'The next line gets the current forecast.',0,'');
insert into macrodetail values ('GET WEATHER',9,15,'[LOCAL5]',NULL,'ph_regexdiff(''<h4>Updated:~255<div id="b">~255<div>'',''</div>'',"[LOCAL1]",1,0)',0,'');
insert into macrodetail values ('GET WEATHER',10,41,'ITUNES MUTE',NULL,'',0,'');
insert into macrodetail values ('GET WEATHER',11,9,'',NULL,'"Temperature: [LOCAL2] degrees~r~n.Humidity: [LOCAL3]%~r~n.Win[LOCAL4] miles per hour~r~n.Forecast: [LOCAL5]."',0,'');
insert into macrodetail values ('GET WEATHER',12,31,'',NULL,'20',0,'');
insert into macrodetail values ('GET WEATHER',13,9,'',NULL,'"Once again, the Temperature is. [LOCAL2] degrees"',0,'');
insert into macrodetail values ('GET WEATHER',14,31,'',NULL,'5',0,'');
insert into macrodetail values ('GET WEATHER',15,41,'ITUNES MUTE',NULL,'',0,'');

TonyNo
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Posted: April 23 2007 at 14:02 \| IP Logged

Quote:

Can I nest the ph_regexdiff() statement used to grab the forecast inside the ph_replaceallregex()?

Hmm. That may work.

Thanks Nadler.

jpcurcio
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Posted: April 23 2007 at 14:36 \| IP Logged

TonyNo wrote:

Quote:

Can I nest the ph_regexdiff() statement used to grab the forecast inside the ph_replaceallregex()?

Hmm. That may work.

The main reason I want to do this is in order to grab as much of the forecast as possible. For each line in the forecast, there is a longer line containing the URL of the graphic. I figure that if I kill the <img src....> stuff first, I'd get more of the broadcast to fit into the variable. Once it gets stored, it will get truncated...

I tried the nesting briefly this morning before heading to work, but it didn't work. I'll investigate further tonight, when I have some time.

I'll also try Nadler's code as well, to see if that makes it better.

-jpc

jpcurcio
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Posted: April 23 2007 at 23:05 \| IP Logged

OK... I've got it now. I used the ph_replaceallregex() function suggested by Tony, and filtered out the image text. I also nested the ph_regexdiff() inside the ph_replaceallregex() for conciseness. This will allow me to get the entire forecast string in the one variable without overflowing.

Here is the code snippet that I used:

ph_replaceallregex(
'<img src=.*~255 >',
" ",
ph_regexdiff(
    '<b>Forecast as of~255<td align="left">',
    '<div align',
    "[LOCAL1]",
    1,
    0
),
0
)

Thanks again for the help, guys... couldn't have done it without you!!

-JPC

krommetje
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Joined: December 29 2004
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Posted: October 17 2009 at 05:41 \| IP Logged

Hey guys,

I can't seem to be able to extract the windspeed (Wind direction is OK) out of the following page:

mobile.wunderground.com/global/stations/06370.html

Like I said: I can get the direction out but the speed keeps on being empty.

I tried this amongst other things:

ph_regexsnap('at~255<span class="nowrap"><b>\(.+\)</b> mph</spa n>',"[LOCAL1]",1,0)

can you help me with this?

BeachBum
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Posted: October 17 2009 at 09:26 \| IP Logged

What happens when you narrow it down?
ph_regexsnap('mph</span>',"[LOCAL1]",1,0)

__________________
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krommetje
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Posted: October 17 2009 at 13:16 \| IP Logged

You've got to see it to believe it:

Code:

Oct 17  2009       19:13:59       User  Message      4.0

Oct 17  2009       19:13:59       Global  Variable      Global variable WIND changed from NNW to 4.0

Oct 17  2009       19:13:59       User  Message      4.0

Oct 17  2009       19:13:57       Macro    & nbsp; Macro WINDS executed.

BULLSEYE: You hit the spot right-on!

I am going to try this the following days!
Keep you informed....

Edited by krommetje - October 17 2009 at 13:18

krommetje
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Posted: October 18 2009 at 06:32 \| IP Logged

I have a snipped javascript which calculates the Winchill from Temperature and windspped, I would like to convert this into a PH-like formula:

Code:

function doSteadman(temp, speed) {   

   // Berekening van de wind-chill equivalent temperature volgens Robert G. Steadman

   // Bert van Dijk, 20050907

   var chill = 0;

   if (speed == "") {

      alert("U heeft de windsnelheid niet ingevuld") }

   else; {

      if (temp == "") {

         alert("U heeft de temperatuur niet ingevuld") }

      else {

         temp = checkDecimal(temp);

         speed = checkDecimal(speed);

         // Formule volgens Steadman:

         //chill = 1.41 - (1.162 * speed) + (0.980 * temp) + (0.0124 * speed * speed) + (0.0185 * speed * temp);

         // volgens A.Court:

         // chill = 33 + (temp - 33) * (0.550 + (0.417 * Math.sqrt(speed)) - (0.0454 * speed));

         // volgens Siple en Passel:

         // chill = 33 - (((12.12 + (11.6 * Math.sqrt(speed)) - (1.16 * speed)) * (33 - temp)) / 25.57);

         // de Canadese methode:

         // chill = 13.12 + (0.6215 * temp) + (0.3965 * (temp - 28.679) * Math.pow(speed, 0.16));

         // volgens JAG/TI

             speed = speed * 3.6;

             chill = 13.12 + (0.6215 * temp) - (11.37 * Math.pow(speed, 0.16)) + (0.3965 * temp * Math.pow(speed, 0.16));

             if (speed < 1.8 || chill > temp) chill = temp;

         chill = Math.round(chill * 10) / 10;

         return chill;

      }

   }

}

how do I start with this?

Peter

Edited by krommetje - October 18 2009 at 06:32

jbbtex
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Posted: October 18 2009 at 20:19 \| IP Logged

This is what I use - temperature in Fahrenheit, windspeed in mph:

Code:

ph_setvar_a(1,8,35.74 + (.6215 * {CURTEMP}) - (35.75 * ({CURWINDSPEED} ^ .16)) + (.4275 * ({CURTEMP} * ({CURWINDSPEED} ^ .16))))

This sets LOCAL8 to the result of the formula. CURTEMP and CURWINDSPEED are global variables. CURTEMP comes from a sensor in my backyard and CURWINDSPEED comes from Weatherunderground.

I got the formula here. http://www.usatoday.com/weather/resources/basics/windchill/w ind-chill-formulas.htm

__________________
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"Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity." - Gen. George S. Patton

krommetje
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Posted: October 25 2009 at 09:54 \| IP Logged

Got it and entered it into my own macro....
now i have all the values I need....

thanx

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