performance changes

vatpac-technology · Jan 29, 2023 · ac759bf · ac759bf
1 parent 8339282
commit ac759bf
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Showing 2 changed files with 198 additions and 157 deletions.
diff --git a/atc.js b/atc.js
@@ -241,83 +241,84 @@ export async function getOnlinePositions() {
 
     // SY_APP 124.400 AFV 124400000
     // iterate txvrs.element.transceivers.element frequency/1000000
-    stations.forEach(function(station, index){
-        // Keep only CTR, APP, and TWR
-        if(station.callsign.toUpperCase().includes("CTR") === false && station.callsign.toUpperCase().includes("APP") === false && station.callsign.toUpperCase().includes("TWR") === false){
-            delete stations[index];
-        }else{
-
-            // Join sectors by callsign
-            var sector = sectors.find(function cb(element){
-                if(element.Callsign === station.callsign){        
-
-                    // Check std sectors and load sub sectors.
-                    if(element.standard_position === true && element.responsibleSectors.length > 0){
-                        var sectorWithSubsectors = mergeSectors(element, element.responsibleSectors,sectors);
-
-                        onlineSectors.push(sectorWithSubsectors);
-                    }else{
-                        onlineSectors.push(mergeBoundaries(element));
-                    }
-
-
-                    // check if other frequencies are active and show them as online.
-                    // this only works for ENR sectors.
-
-                    var activeFrequencies = [];
-                    station.transceivers.forEach(function(element){
-                        // Hertz to Megahurts
-                        element.frequency = element.frequency/1000000;
-                        activeFrequencies.push(element.frequency.toFixed(3));
-                    })
+    if(stations){
+        stations.forEach(function(station, index){
+            // Keep only CTR, APP, and TWR.
+            if(station.callsign.toUpperCase().includes("CTR") === false && station.callsign.toUpperCase().includes("APP") === false && station.callsign.toUpperCase().includes("TWR") === false){
+                delete stations[index];
+            }else{
+
+                // Join sectors by callsign
+                var sector = sectors.find(function cb(element){
+                    if(element.Callsign === station.callsign){        
+
+                        // Check std sectors and load sub sectors.
+                        if(element.standard_position === true && element.responsibleSectors.length > 0){
+                            var sectorWithSubsectors = mergeSectors(element, element.responsibleSectors,sectors);
+
+                            onlineSectors.push(sectorWithSubsectors);
+                        }else{
+                            onlineSectors.push(mergeBoundaries(element));
+                        }
+
+                        // check if other frequencies are active and show them as online.
+                        // this only works for ENR sectors.
+
+                        var activeFrequencies = [];
+                        station.transceivers.forEach(function(element){
+                            // Hertz to Megahurts
+                            element.frequency = element.frequency/1000000;
+                            activeFrequencies.push(element.frequency.toFixed(3));
+                        })
 
-                    activeFrequencies = uniq(activeFrequencies);
+                        activeFrequencies = uniq(activeFrequencies);
 
-                    if(activeFrequencies.length > 1){
+                        if(activeFrequencies.length > 1){
 
-                        activeFrequencies.forEach(function(frequency){
-                            sectors.find(function cb(element){
+                            activeFrequencies.forEach(function(frequency){
+                                sectors.find(function cb(element){
 
-                                if(element.Frequency === frequency && element.Callsign != station.callsign){
-                                    var subSectorWithSubsectors = mergeSectors(element, element.responsibleSectors,sectors);
+                                    if(element.Frequency === frequency && element.Callsign != station.callsign){
+                                        var subSectorWithSubsectors = mergeSectors(element, element.responsibleSectors,sectors);
 
-                                    var poly1 = turf.polygon(sectorWithSubsectors.geometry.coordinates)
-                                    var poly2 = turf.polygon(subSectorWithSubsectors.geometry.coordinates)
-
-                                    var intersection = turf.booleanOverlap(poly1, poly2)
+                                        var poly1 = turf.polygon(sectorWithSubsectors.geometry.coordinates)
+                                        var poly2 = turf.polygon(subSectorWithSubsectors.geometry.coordinates)
+                                        
+                                        var intersection = turf.booleanOverlap(poly1, poly2)
 
-                                    if(intersection){
-                                        onlineSectors.push(subSectorWithSubsectors);
+                                        if(intersection){
+                                            onlineSectors.push(subSectorWithSubsectors);
+                                        }
                                     }
-                                }
 
+                                })
                             })
-                        })
-                    }
-                };
-            });
-
-            /*
-            if(activePosition !== false){
-                // Join sectors by frequency
-                // TODO - How to incrementally add sectors working outwards from the logged on sector?
-                var extendedPoly = activePosition;
-                activeFrequncies.forEach(function(element){
-                    var adjacentSector = isAdjacentSector(element, extendedPoly, sectors);
-                    if(adjacentSector !== false){
-                        extendedPoly = unionArray([extendedPoly, sectorWithSubsectors])
-                        if(adjacentSector.standard_position === true){
-                            var sectorWithSubsectors = mergeSectors(adjacentSector, adjacentSector.responsibleSectors,sectors);
-                            onlineSectors.push(sectorWithSubsectors);
-                        }else{
-                            onlineSectors.push(mergeBoundaries(adjacentSector));
                         }
-                    }
-                })
+                    };
+                });
+
+                /*
+                if(activePosition !== false){
+                    // Join sectors by frequency
+                    // TODO - How to incrementally add sectors working outwards from the logged on sector?
+                    var extendedPoly = activePosition;
+                    activeFrequncies.forEach(function(element){
+                        var adjacentSector = isAdjacentSector(element, extendedPoly, sectors);
+                        if(adjacentSector !== false){
+                            extendedPoly = unionArray([extendedPoly, sectorWithSubsectors])
+                            if(adjacentSector.standard_position === true){
+                                var sectorWithSubsectors = mergeSectors(adjacentSector, adjacentSector.responsibleSectors,sectors);
+                                onlineSectors.push(sectorWithSubsectors);
+                            }else{
+                                onlineSectors.push(mergeBoundaries(adjacentSector));
+                            }
+                        }
+                    })
+                }
+                */
             }
-            */
-        }
-    })
+        })
+    }
 
 
     return turf.featureCollection(uniq(onlineSectors));