scale?

Mon Jan 30 12:03:51 EST 2006

Muy Bien!
Thanks for that Luis.

You say that the subsitution is done by mapserver CGI? I've insterted the
following code into my html template as per a previous suggestion:

<td>

Map Scale: &nbsp &nbsp &nbsp 1:[scale]

</td>

However the output of this code doesnt is as follows:

Map Scale:    1:[scale]

It would seem that the scale value isnt being subsituted. Can you suggest
what might (or might not) be causing this?

Gracias

Jeremy

-----Original Message-----
From: Luis Treviño Huerta [mailto:ltrevino at gpobsi.com.mx]
Sent: January 30, 2006 11:51 AM
To: Sears, Jeremy; MAPSERVER-USERS at LISTS.UMN.EDU
Subject: Re: [UMN_MAPSERVER-USERS] scale?

Jeremy:

The substitution of the [scale] value is done by mapserver CGI.
this is the javascript function:
function TomaEscala(scale){

var escala, escalaStr, decimal;

escala = scale; 

escala *= 100; 

escala = Math.round(escala); 

escala /= 100; 

escalaStr = Math.abs(escala).toString(); 

entero = escalaStr.substr (0,escalaStr.length-3);

if (entero.length > 3) {

    longitud = entero.length % 3;

    while (longitud < entero.length) {

    if (longitud == 0) {

        longitud = 3;

    }

    entero = entero.substr (0,longitud) + "," +
entero.substr(longitud,entero.length);

    longitud += 4;

    }

 }

  escalaStr = entero;

   if (document.createTextNode){

   var mytext=document.createTextNode(escalaStr)

   document.getElementById("MyElementID").appendChild(mytext)

   }

}

You can call this fuction on the <body onload="TomaEscala([scale]);"> of
your template.

(some words are in spanish but I'm sure is not a problem)

Regards,

Luis

----- Original Message ----- 
From: Sears, Jeremy <mailto:Jeremy.Sears at CCRS.NRCan.gc.ca>  
To: 'Luis Treviño Huerta' <mailto:ltrevino at gpobsi.com.mx>  ;
MAPSERVER-USERS at LISTS.UMN.EDU <mailto:MAPSERVER-USERS at LISTS.UMN.EDU>  
Sent: Monday, January 30, 2006 10:38 AM
Subject: RE: [UMN_MAPSERVER-USERS] scale?

Thanks for the reply Luis,
I would indeed like to see your code. 

>>you can use [scale] in your template file.

Formating aside, Im assuming that the template file need to have some extra
code inorder to subsitute [scale] with the value of the scale. Is this
assumption correct? If so, where can I find that code?

Thanks
Jeremy

-----Original Message-----
From: Luis Treviño Huerta [mailto:ltrevino at gpobsi.com.mx]
Sent: January 30, 2006 11:21 AM
To: Sears, Jeremy; MAPSERVER-USERS at LISTS.UMN.EDU
Subject: Re: [UMN_MAPSERVER-USERS] scale?

Jeremy:

you can use [scale] in your template file.

Use some javascript to format the value of scale (like: 1:50,000 or
1:50.000). I have a small code that does this formating using a
getElementById. if you want it I can mail it to you.

Regards
Luis

----- Original Message ----- 
From: Sears, Jeremy <mailto:Jeremy.Sears at CCRS.NRCAN.GC.CA>  
To: MAPSERVER-USERS at LISTS.UMN.EDU <mailto:MAPSERVER-USERS at LISTS.UMN.EDU>  
Sent: Monday, January 30, 2006 9:45 AM
Subject: [UMN_MAPSERVER-USERS] scale?

Hi All,
This should be an easy question, however I cant find information on it....

How does one display the scale of a map? Im looking to have mapserver (or
other means?) produce a scale like "1:50 000", rather than the scale bar. 

Thanks
Jeremy

-----Original Message-----
From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU]On
Behalf Of Jerl Simpson
Sent: January 30, 2006 10:27 AM
To: MAPSERVER-USERS at LISTS.UMN.EDU
Subject: [UMN_MAPSERVER-USERS] setting variable value in mapfile

Hello,

I know I can easily use variables in a mapfile, when the value comes from
cookies or a GET request.  But what about setting a variable inside the
mapfile itself?
Something like:

HIGHWAY_MAX_SCALE=2000000 
HIGHWAY_MIN_SCALE=90000

or

HIGHWAY_COLOR="255 250 115"

then be able to use something like:

COLOR  %HIGHWAY_COLOR% 

in a CLASS

That way if I decide I want to change a color, I can change it once, and
have it take affect for everywhere else? 

Thanks,

Jerl

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