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by Frank
02:23
created

MercatorProjection::getY()   A

↳ Parent: MercatorProjection

Complexity

Conditions 3
Paths 4

Size

Total Lines 12
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 3

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 6
c 1
b 0
f 0
dl 0
loc 12
ccs 7
cts 7
cp 1
rs 10
cc 3
nc 4
nop 1
crap 3
1 
<?php
2 
declare(strict_types=1);
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namespace PrinsFrank\PhpGeoSVG\Projection;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use PrinsFrank\PhpGeoSVG\Geometry\Position\Position;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class MercatorProjection implements Projection

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function getX(Position $position): float

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return ($position->longitude + 180) * (Position::TOTAL_LONGITUDE * .5 / 360);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function getY(Position $position): float

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $latitude = $position->latitude;

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($latitude > $this->getMaxLatitude() - 0.001) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $latitude = $this->getMaxLatitude() - 0.001;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($latitude < (-$this->getMaxLatitude()) + 0.001) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $latitude = (-$this->getMaxLatitude()) + 0.001;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return (Position::TOTAL_LATITUDE / 2) - (Position::TOTAL_LONGITUDE * .5 * log(tan((M_PI / 4) + (($latitude*M_PI / 180) / 2))) / (2 * M_PI));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function getMaxX(): float

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return Position::TOTAL_LONGITUDE * .5;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function getMaxY(): float

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return Position::TOTAL_LATITUDE;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function getMaxLatitude(): float

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return 85;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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