{"id":2402,"date":"2019-03-25T17:39:24","date_gmt":"2019-03-25T20:39:24","guid":{"rendered":"http:\/\/xexeu.elipse.com.br\/pt\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/"},"modified":"2019-03-25T17:39:24","modified_gmt":"2019-03-25T20:39:24","slug":"kb29619-e3chart-is-redrawing-data-when-opening-the-screen","status":"publish","type":"post","link":"https:\/\/kb.elipse.com.br\/en\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/","title":{"rendered":"KB-29619: E3Chart is redrawing data when opening the screen."},"content":{"rendered":"<div align=\"justify\"><span style=\"font-weight:bold;\">Question:<\/span><\/p>\n<p>In an application, the data is being &#8220;drawn&#8221; by E3Chart, but when leaving the screen and returning to back to it, the chart is erased and it starts to redraw all data. Why does this happen? Can I keep the data? <\/p>\n<p><span style=\"font-weight:bold;\">Solution:<\/span><\/p>\n<p>This behavior (drawing a new chart when returning to screen) is correct, because the pens were set up to work in real time only. Since the screen is redrawn every time it opens, the E3Chart has no way of knowing what the data previous to that time is.<\/p>\n<p>To keep the data, that is, to draw again historic data, you must store them in a database and set the pens to Historic and Realtime. Thus, the E3Chart triggers a query in the database to recover the past values. <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Question: In an application, the data is being &#8220;drawn&#8221; by E3Chart, but when leaving the screen and returning to back to it, the chart is erased and it starts to&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0},"categories":[742],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>KB-29619: E3Chart is redrawing data when opening the screen. - Elipse Knowledgebase<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KB-29619: E3Chart is redrawing data when opening the screen.\" \/>\n<meta property=\"og:description\" content=\"Question: In an application, the data is being &#8220;drawn&#8221; by E3Chart, but when leaving the screen and returning to back to it, the chart is erased and it starts to&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/\" \/>\n<meta property=\"og:site_name\" content=\"Elipse Knowledgebase\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/www.facebook.com\/elipsesoftware\" \/>\n<meta property=\"article:published_time\" content=\"2019-03-25T20:39:24+00:00\" \/>\n<meta name=\"author\" content=\"Elipse Software\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Elipse Software\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/\"},\"author\":{\"name\":\"Elipse Software\",\"@id\":\"https:\/\/kb.elipse.com.br\/#\/schema\/person\/def69ea453ea60b250497b89225a9f87\"},\"headline\":\"KB-29619: E3Chart is redrawing data when opening the screen.\",\"datePublished\":\"2019-03-25T20:39:24+00:00\",\"dateModified\":\"2019-03-25T20:39:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/\"},\"wordCount\":146,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/kb.elipse.com.br\/#organization\"},\"articleSection\":[\"E3Chart\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/\",\"url\":\"https:\/\/kb.elipse.com.br\/kb29619-e3chart-is-redrawing-data-when-opening-the-screen\/\",\"name\":\"[:pt]KB-29619: E3Chart is redrawing data when opening the screen.[:] - 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