{"id":509,"date":"2016-02-17T15:28:13","date_gmt":"2016-02-17T15:28:13","guid":{"rendered":"http:\/\/www.noisemap.ltd.uk\/wpress\/?page_id=509"},"modified":"2017-01-21T00:11:24","modified_gmt":"2017-01-21T00:11:24","slug":"results-processor","status":"publish","type":"page","link":"http:\/\/www.noisemap.ltd.uk\/wpress\/features\/results-processor\/","title":{"rendered":"Results Processor"},"content":{"rendered":"<p>When you have calculated a noise contour or noise levels at individual receivers, you will need to analyse them to extract conclusions about the noise impact of your project.<\/p>\n<p>NoiseMap has a &#8216;Results Processor&#8217; to help with this. Previous versions of NoiseMap had\u00a0 \u2018Compare contour\u2019\u00a0, \u2018Noise Floor\u2019 and \u2018Offset to add\u2019 functions, but the Results Processor lets you create your own processing functions.<\/p>\n<p>In summary, you can:<\/p>\n<ul>\n<li>Download multiple results sets \u2013 eg multiple contour or receiver results<\/li>\n<li>Process the results sets to add and\u00a0subtract both\u00a0arithmetically and logarithmically,<\/li>\n<li>Add or subtract different source types, e.g. road and rail; industrial and background noise;<\/li>\n<li>Import results for receivers from an external file, for example to use as a background, a noise floor, or a noise criterion;<\/li>\n<li>Undertake comparisons between results, for example to show those exceeding a criterion;<\/li>\n<li>\u2018Live\u2019 receiver calculations can be included in the results processor.<\/li>\n<\/ul>\n<p>The results processing can be as complex as you need, although \u2018house-counting\u2019 functions will come later.<\/p>\n<p><strong>Creating\u00a0 results expressions<\/strong><\/p>\n<p>You write\u00a0expressions using a notation similar to that of Excel. For example, assuming R1,\u00a0R2\u00a0and R3 are three sets of noise contours or receiver results, then:<\/p>\n<p>R1 &#8211; R2 calculates the difference contour\/results<\/p>\n<p>LOGSUM(R1, R2, R3)\u00a0 calculates the cumulative effect of the results<\/p>\n<p>MAX(R1,30)\u00a0applies a\u00a0noise floor of 30 dB\u00a0to result\u00a0R1<\/p>\n<p>If(R1&gt;67.5) and (R1&gt;(R2+1)),1,0) could test for noise insulation<\/p>\n<p>The results processor provides 25 mathematical operators, permitting a wide range of in-line processing.<\/p>\n<p>Moreover, because receiver noise levels can be imported from an external file, these could be used as criteria\u00a0 to check for exceedances, for example on a construction site.<\/p>\n<p>You can import results expressions from a script file, which allows complex\u00a0processes to be prepared in advance and used as required.<\/p>\n<p>Practical examples are shown <strong><a href=\"http:\/\/www.noisemap.ltd.uk\/wpress\/the-results-processor\/\">here<\/a><\/strong>.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you have calculated a noise contour or noise levels at individual receivers, you will need to analyse them to extract conclusions about the noise impact of your project. NoiseMap has a &#8216;Results Processor&#8217; to help with this. Previous versions of NoiseMap had\u00a0 \u2018Compare contour\u2019\u00a0, \u2018Noise Floor\u2019 and \u2018Offset to add\u2019 functions, but the Results &hellip; <a href=\"http:\/\/www.noisemap.ltd.uk\/wpress\/features\/results-processor\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Results Processor<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":12,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/pages\/509"}],"collection":[{"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/comments?post=509"}],"version-history":[{"count":4,"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/pages\/509\/revisions"}],"predecessor-version":[{"id":639,"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/pages\/509\/revisions\/639"}],"up":[{"embeddable":true,"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/pages\/12"}],"wp:attachment":[{"href":"http:\/\/www.noisemap.ltd.uk\/wpress\/wp-json\/wp\/v2\/media?parent=509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}