[ Posted by Sebastian ] BedLeveling Function BED_LEVELING_METHOD == 1 of Repetier in php

fiddle_060562.php

<?php

/**
* The code from http://php.net/manual/en/imagick.examples-1.php
*
* Make sure only using PHP builtin fonts(http://php.net/manual/en/haru.builtin.fonts.php) 
*
* @package		PhpFiddle
* @link			http://phpfiddle.org
* @since		2012
**/

/* Set width and height in proportion of genuine PHP logo */
$width = 410;
$height = 410;

/* Create an Imagick object with transparent canvas */
$img = new Imagick();
$img->newImage($width, $height, new ImagickPixel('transparent'));

/* New ImagickDraw instance for ellipse draw */
$draw = new ImagickDraw();
/* Set purple fill color for ellipse */
$draw->setFillColor('#777bb4');
$draw->setStrokeWidth(2);
$draw->setFontSize(72);

$draw->rectangle(10, 10, 300, 300);
$img->drawImage($draw);

$draw->setFillColor('red');
$draw->setStrokeWidth(1);

$draw->line(11,11,11,301);
$draw->line(11,299,299,299);
$img->drawImage($draw);

$draw->setStrokeColor('white');
$draw->setStrokeWidth(1);

$delta = 10;
for ($i = 0; $i < 30; $i++) {
    for ($j = 0; $j < 30; $j++) {
        $x = 11 + $i * $delta;
        $y = 11 + $j * $delta;
    $draw->line($x, $y, $x++,$y++);
    }
}

$draw->setStrokeColor('pink');
$draw->setStrokeWidth(2);
$img->drawImage($draw);




$zx1 = 30;
$zy1 = 30;

$zx2 = 30;
$zy2 = 170;

$zx3 = 170;
$zy3 = 170;

$zxmirr = 170;
$zymirr = 30;

$zxmax = 170;
$zymax = 170;


$BED_LEVELING_GRID_SIZE = 4;
$delta = 1.0 / ($BED_LEVELING_GRID_SIZE - 1);
    $ox = $zx1;
    $oy = $zy1;
    $ax = $delta * ($zx2 - $zx1);
    $ay = $delta * ($zy2 - $zy1);
    $bx = $delta * ($zx3 - $zx1);
    $by = $delta * ($zy3 - $zy1);


$draw->setStrokeColor('green');
$draw->setFillColor('green');
$draw->setStrokeWidth(2);
//$draw->circle(40, 40, 41,41);
//$img->drawImage($draw);

    for($ix = 0; $ix < $BED_LEVELING_GRID_SIZE; $ix++) {
        for($iy = 0; $iy < $BED_LEVELING_GRID_SIZE; $iy++) {
            $px = $ox + $ix * $ax + $iy * $bx;
            $py = $oy + $ix * $ay + $iy * $by;
                $draw->setStrokeColor('green');
                $draw->setFillColor('green');
                $draw->setStrokeWidth(2);
                $draw->circle($px, $py, $px+2,$py);

                $img->drawImage($draw);

           // echo '<font color=red>'.$px . '</font> ,<font color=blue> ' . $py . '</font><br/>';
               // $draw->line($px, $py, $px++,$py++);

            //Printer::moveTo(px, py, IGNORE_COORDINATE, IGNORE_COORDINATE, EEPROM::zProbeXYSpeed());
            //float h = Printer::runZProbe(false, false);
            //if(h == ILLEGAL_Z_PROBE)
            //    return false;
            //builder.addPoint(px, py, h);
        }
    }

$draw->setStrokeColor('white');
$draw->setFillColor('white');
$draw->setStrokeWidth(2);
$draw->circle($zx1, $zy1, $zx1+2,$zy1);

$draw->setStrokeColor('white');
$draw->setFillColor('white');
$draw->setStrokeWidth(2);
$draw->circle($zx2, $zy2, $zx2+2,$zy2);

$draw->setStrokeColor('white');
$draw->setFillColor('white');
$draw->setStrokeWidth(2);
$draw->circle($zx3, $zy3, $zx3+2,$zy3);

$draw->setStrokeColor('#FF00FF');
$draw->setFillColor('#FF00FF');
$draw->setStrokeWidth(2);
$draw->circle($zxmirr, $zymirr, $zxmirr+2,$zymirr);

$img->drawImage($draw);


/*
    float delta = 1.0 / (BED_LEVELING_GRID_SIZE - 1);
    float ox = EEPROM::zProbeX1();
    float oy = EEPROM::zProbeY1();
    float xmax = EEPROM::zProbeX2();
    float ymax = EEPROM::zProbeY3();

    float deltax = delta * (xmax - ox);
    float deltay = delta * (ymax - oy);
    for(int ix = 0; ix < BED_LEVELING_GRID_SIZE; ix++) {
        for(int iy = 0; iy < BED_LEVELING_GRID_SIZE; iy++) {
            float px = ox + static_cast<float>(ix) * deltax;
            float py = oy + static_cast<float>(iy) * deltay;
            Printer::moveTo(px, py, IGNORE_COORDINATE, IGNORE_COORDINATE, EEPROM::zProbeXYSpeed());
            float h = Printer::runZProbe(false, false);
            if(h == ILLEGAL_Z_PROBE)
                return false;
            builder.addPoint(px, py, h);
        }
    }

*/


$img->setImageFormat('png');

/* Set appropriate header for PNG and output the image */
header('Content-Type: image/png');
echo $img;

?>

As you can see by these computed images, bed level area is not where it should be