guardmetrics Posted April 27, 2020 Report Share Posted April 27, 2020 Does anyone have a Haversine Function that works? I'm having trouble, and this is where i'm at: <script type="text/javascript"> document.addEventListener('BeforeFormSubmit', function(event) { function f_Haversine_Roving(){ var lat1 = document.getElementById("InsertRecordLat").value; var lon1 = document.getElementById("InsertRecordLng").value; var lat2 = document.getElementsByName("cbParamVirtual6”)[0].value; var lon2 = document.getElementsByName("cbParamVirtual7”)[0].value; var R = 6371; // km var dLat = (lat2-lat1)*Math.PI/180; var dLon = (lon2-lon1)*Math.PI/180; var a = Math.sin(dLat/2) * Math.sin(dLat/2) + Math.cos(lat1*Math.PI/180) * Math.cos(lat2*Math.PI/180) * Math.sin(dLon/2) * Math.sin(dLon/2); var c = 2 * Math.asin(Math.sqrt(a)); var d = R * c; d= (d*1000); //in meters document.getElementById("InsertRecordDistance").value=d; document.getElementById("caspioform").onsubmit=f_Haversine_Roving();} }); </SCRIPT> Quote Link to comment Share on other sites More sharing options...
guardmetrics Posted May 4, 2020 Author Report Share Posted May 4, 2020 Still struggling with this, here is where I am now: <script type="text/javascript"> document.addEventListener('DataPageReady', function (event) { var lat1 = document.getElementById("InsertRecordLat").value; var lon1 = document.getElementById("InsertRecordLng").value; var lat2 = document.getElementsByName("cbParamVirtual6”)[0].value; var lon2 = document.getElementsByName("cbParamVirtual7”)[0].value; var R = 6371; // km var dLat = (lat2-lat1)*Math.PI/180; var dLon = (lon2-lon1)*Math.PI/180; var a = Math.sin(dLat/2) * Math.sin(dLat/2) + Math.cos(lat1*Math.PI/180) * Math.cos(lat2*Math.PI/180) * Math.sin(dLon/2) * Math.sin(dLon/2); var c = 2 * Math.asin(Math.sqrt(a)); var d = R * c; d= (d*1000); //in meters document.getElementById("InsertRecordDistance”).value=d; }); </SCRIPT> Quote Link to comment Share on other sites More sharing options...
guardmetrics Posted May 4, 2020 Author Report Share Posted May 4, 2020 @Hastur @Vitalikssssssany ideas? Quote Link to comment Share on other sites More sharing options...
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