pls ck my code

[shradha]

can any one check and tell me wat is wrong in my code
map.php

<?php
//define constants
define("MAPFILE","testmap.png");

define("MINX",0);
define("MAXX",699+MINX);
define("MINY", 0);
define("MAXY", 419+MINY);

define("MINLAT", -1288888);
define("MAXLAT", 2297888);
define("MINLONG", 4098989);
define("MAXLONG", 9999898);
define("GRIDSIZE", 10);

if(trim($minLat)=="") $minLat=MINLAT;
if(trim($maxLat)=="") $maxLat=MAXLAT;
if(trim($minLong)=="") $minLong=MINLONG;
if(trim($maxLong)=="") $maxLong=MAXLONG;

function getPixelValueofLat($l)
{
$scaleY = (MAXY - MINY)/(MAXLAT - MINLAT);
$LAT_PIXEL = round(MINY + (MAXLAT - $l) * $scaleY);
return $LAT_PIXEL;
}

function getPixelValueofLong($l)
{
$scaleX = (MAXX - MINX)/( MAXLONG - MINLONG);
$LONG_PIXEL = round(MINX + ($l - MINLONG) * $scaleX);
return $LONG_PIXEL;
}

$im=imagecreatefrompng(MAPFILE);
//$background = imagecolorallocate($im, 150, 200, 255);

$background = imagecolorallocate($im, 255, 255, 255);
//$background = imagecolorallocate($im,102, 102, 102);
//imagestring ($im, 1, 5, 5, "A Simple Text String", $text_color);

// output image in the browser
$red=imagecolorallocate($im, 255, 0, 0);
$green=imagecolorallocate($im, 0, 255, 0);
$darkgreen=imagecolorallocate($im, 105, 155, 160);
$darkgray=imagecolorallocate($im, 102, 102, 102);
$blue=imagecolorallocate($im, 0, 0, 255);
$black=imagecolorallocate($im, 0, 0, 0);
$linecolour=$darkgray;

$str="(".getPixelValueofLat(-90)." ,".getPixelValueofLong(180).")";

imageline ( $im, MINX, MINY, MAXX, MINY, $darkgreen );
imageline ( $im, MINX, MINY, MINX, MAXY, $darkgreen );
imageline ( $im, MINX, MAXY, MAXX, MAXY, $darkgreen );
imageline ( $im, MAXX, MINY, MAXX, MAXY, $darkgreen );

$text_color = $black;
$font_size=2;

for($i = 0 ; $i <= ((MAXLONG-MINLONG)/GRIDSIZE); $i++)
{
$lo=(MINLONG-(MINLONG-((MINLONG%GRIDSIZE)GRIDSIZE)))+$iGRIDSIZE;

if($lo < 0 )
{
	$s="- ".($lo*-1);
}
else if($lo == 0 )
{
	$s="  ".$lo;
}
else
{
	$s="+ ".$lo;
}
$xcord=getPixelValueofLong($lo);

imagestringup($im, $font_size, $xcord-6, MINY-8, $s , $linecolour);
imageline ( $im, $xcord, MINY, $xcord, MAXY, $drakgray);

}

for($j = 0 ; $j <= ((MAXLAT-MINLAT)/GRIDSIZE) ; $j++)
{
$la=(MAXLAT-(MAXLAT-((MAXLAT%GRIDSIZE)GRIDSIZE)))-$jGRIDSIZE;

if($la < 0 )
{
	$s="- ".($la*-1);
}
else if($la == 0 )
{
	$s="  ".$la;
}
else
{
$s="+ ".$la;
}
$ycord=getPixelValueofLat($la);

imagestring($im, $font_size, 7, $ycord-7, str_pad($s,5, " ",STR_PAD_LEFT) , $linecolour);
imageline  ($im, MINX, $ycord, MAXX, $ycord, $drakgray);

}

// header("Content-type: image/png");
//Output graph and clear image from memory
// imagepng($im);

?>

graph.php

<?php

include_once("connect_db.php");

include_once("map.php");

header("Content-type: image/png");

$colorRed=imagecolorallocate($im, 255, 0, 0);

//ploting graph with different colors

$color=array(

$colorYellow=ImageColorAllocate($im, 204,204,204),

$colorBlue=ImageColorAllocate($im, 0, 0, 255),

$colorWhite=imagecolorallocate($im, 255, 255, 255),

$colorGreen=imagecolorallocate($im, 0, 255, 0),

$colorRed=imagecolorallocate($im, 255, 0, 0),

$colorWhite=imagecolorallocate($im, 255, 255, 255),

);

$color=array("colorBlue","colorGreen","colorRed","colorGrey");

$col=count($color);

//query to take values plot graph

$minLat=$_GET["minLat"];

//echo "minlat".$minLat."<br>";

$maxLat=$_GET["maxLat"];

//echo "maxlat".$maxLat."<br>";

$minLong=$_GET["minLong"];

//echo "minlong".$minLong."<br>";

$maxLong=$_GET["maxLong"];

//echo "maxlong".$maxLong."<br>";

$query="select distinct LATITUDE,LONGITUDE from tablename where LATITUDE >= $minLat and LATITUDE <= $maxLat and LONGITUDE >= $minLong and LONGITUDE <= $maxLong";

//echo  "query".$query."<br>";



$result = mysql_query($query,$link);



$lat0="";

$lon0="";

$dotSize=2;



while($row = mysql_fetch_array($result)) 

{

	/*$lat111=getPixelValueofLat($row[0]);

	$lat1=$lat111/100000;

	$lon111=getPixelValueofLong($row[1]);

	$lon1=$long111/100000;*/



	$lat1=getPixelValueofLat($row[0]);

            $lon1=getPixelValueofLong($row[1]);



	if($lat0<>"" and $lon0<>"")

	{		

// ImageLine($im,$lon0,$lat0,$lon1,$lat1,${$color[$i%$col]}); //ploting a graph in different colors

// ImagePoints($im,$lon0,$lat0,$lon1,$lat1,${$color[$i%$col]});

              imagefilledarc($im,$lon1,$lat1, $dotSize, $dotSize, 0, 360, $colorRed, IMG_ARC_PIE);

		}


	$lat0=getPixelValueofLat($row[0]);

	$lon0=getPixelValueofLong($row[1]);

}

// Output graph and clear image from memory

imagepng($im);

imagedestroy($im);

mysql_free_result($result);

?>

[laserlight]

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• Post your PHP code in

  forum bbcode tags.

• Try and post the smallest and simplest script that demonstrates the problem.

• Post what you expected the script to do, and how does it not work.

[shradha]

i am ploting a dot graph ..

dots on the graph are coming correct but one thick black border comes on the graph which hides
some scale of the graph .....

can u help me to remove the black color border from the graph