{"version":"1.0","provider_name":"OS Maps Discover","provider_url":"https:\/\/osmaps.com\/discover","title":"How cartographers determine map scale | OS GetOutside","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"aG9MFVzMAU\"><a href=\"https:\/\/osmaps.com\/discover\/guides\/advanced-map-scales\/\">An advanced guide to understanding map scale<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/osmaps.com\/discover\/guides\/advanced-map-scales\/embed\/#?secret=aG9MFVzMAU\" width=\"600\" height=\"338\" title=\"&#8220;An advanced guide to understanding map scale&#8221; &#8212; OS Maps Discover\" data-secret=\"aG9MFVzMAU\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/osmaps.com\/discover\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/osmaps.com\/discover\/blobgetoutside5db8a681d3\/wp-content\/uploads\/2024\/03\/understanding_map_scales_hero.d635ad0f1f03d16ac80ae9884a3c9df0.jpg","thumbnail_width":1920,"thumbnail_height":485,"description":"Understanding map scales is vital to successfully using maps for planning and navigation. Boost your map reading skills with this advanced guide for understanding Ordnance Survey map scales and key features on each OS map."}