{"id":80191,"date":"2017-10-26T09:17:09","date_gmt":"2017-10-26T09:17:09","guid":{"rendered":"http:\/\/www.esri.com\/arcgis-blog\/products\/product\/uncategorized\/luminance-hack\/"},"modified":"2019-01-09T14:25:06","modified_gmt":"2019-01-09T22:25:06","slug":"luminance-hack","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/data-management\/data-management\/luminance-hack","title":{"rendered":"Luminance Hack"},"author":6971,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[23851,22941],"tags":[23201,37081],"industry":[],"product":[36561,36611],"class_list":["post-80191","blog","type-blog","status-publish","format-standard","hentry","category-data-management","category-mapping","tag-cartographic-design","tag-risk-assessment","product-arcgis-pro","product-story-maps"],"acf":{"short_description":"Here is a map of over one hundred years of 6+ mag earthquakes. Together they trace out the Pacific Ring of Fire. With a name that cool, w...","flexible_content":[{"acf_fc_layout":"content","content":"<p>Here is a map of over one hundred years of 6+ mag earthquakes. Together they trace out the Pacific Ring of Fire. With a name that cool, we need a map style to keep pace.<\/p>\n<p>This style is used to make the maps in <a title=\"Prepare for some over the top writing, just dripping with sentimental hyperbolic adjectives. I know no other way.\" href=\"https:\/\/storymaps.esri.com\/stories\/2017\/seismic-illumination\/index.html\" target=\"_blank\" rel=\"noopener\">this story map<\/a> about earthquakes and emergence.<\/p>\n<p><a title=\"Click to embiggen...\" href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/RingOfFire.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88921 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/RingOfFire.jpg\" alt=\"\" width=\"3600\" height=\"2400\" \/><\/a><\/p>\n<p>This map is an update to <a href=\"http:\/\/uxblog.idvsolutions.com\/2012\/06\/earthquakes-since-1898.html\" target=\"_blank\" rel=\"noopener\">one<\/a> I made long ago using a very different method (with similar visual results).<\/p>\n<p>Here&#8217;s how to make it. Super easy. Super glowy. Like the luminescent magma that this phenomenon betrays, churning below the surface as our tenuously thin raft of cool rock folds against and under its neighbor, releasing bursts of punctuated energy from an unknowable well.<\/p>\n<p>The quake data comes from our friends at the <a title=\"Filtered out the nuke-related seismic activity...\" href=\"https:\/\/earthquake.usgs.gov\/earthquakes\/search\/\" target=\"_blank\" rel=\"noopener\">USGS<\/a>. Great resource!<\/p>\n<p>This map uses one symbol, and one symbol only. A faint white radial gradient image. This symbol, while small and faint, when assigned varying scales and tints, and clustered in enough numbers, creates a a luminescence that <a title=\"Go ahead. It's worth it. This blog post will be waiting when you come back...\" href=\"https:\/\/youtu.be\/HMUKGTkiWik?t=17\" target=\"_blank\" rel=\"noopener\">surrounds maps and binds maps<\/a>.<\/p>\n<p><a href=\"https:\/\/i2.wp.com\/adventuresinmapping.files.wordpress.com\/2017\/07\/glowdot20.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88923 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/GlowDotScreenshot.png\" alt=\"\" width=\"400\" height=\"400\" \/><\/a><\/p>\n<p>If you <a title=\"This is the little blurry glowy white symbol. A powerful ally...\" href=\"https:\/\/i2.wp.com\/adventuresinmapping.files.wordpress.com\/2017\/07\/glowdot20.png\" target=\"_blank\" rel=\"noopener\">right-click these words<\/a> and choose &#8220;save image as&#8221; you can have it all for yourself.<\/p>\n<p>This map makes use of three techniques&#8230;<\/p>\n<ul>\n<li>Picture markers<\/li>\n<li>Tint<\/li>\n<li>Layer stacking<\/li>\n<\/ul>\n<p>Here is a look at earthquakes, with a standard symbol marker. Lots of quakes. But the thing about quakes, and just about everything else, is that <a title=\"The first rule of geography is you don't talk about geography! But this is the first LAW...\" href=\"https:\/\/en.wikipedia.org\/wiki\/Tobler%27s_first_law_of_geography\" target=\"_blank\" rel=\"noopener\">they aren&#8217;t so discrete and tidy as these symbols make them appear<\/a>. They radiate energy outward and make their presence known to their surroundings.<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro0.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88924 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro0.jpg\" alt=\"\" width=\"1920\" height=\"1040\" \/><\/a><\/p>\n<p>An earthquake ought to have a radial glow. And when that earthquake layer is duplicated several times, with the lower layers given a larger scale, that glowing amorphous effect is accentuated.<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/StackedOpacitySmall.gif\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88925 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/StackedOpacitySmall.gif\" alt=\"\" width=\"470\" height=\"416\" \/><\/a><\/p>\n<p>And if each of those layers has a slightly different hue, they merge to have a potentially beautiful chromatic radial decay&#8230;<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/StackedColorSmall.gif\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88926 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/StackedColorSmall.gif\" alt=\"\" width=\"470\" height=\"416\" \/><\/a><\/p>\n<p>Let&#8217;s see how this looks in ArcGIS Pro. I&#8217;m using the glow image (provided above) as a <a title=\"Picture markers rule. There is no limit to the amazingness that can be applied...\" href=\"http:\/\/pro.arcgis.com\/en\/pro-app\/help\/mapping\/symbols-and-styles\/marker-symbol-layers.htm#ESRI_SECTION1_602349B634014975A19F2BA19C8CB8EC\" target=\"_blank\" rel=\"noopener\">picture marker<\/a>. And I&#8217;ve applied a tint to dye them a blueish color.<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Symbology1.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88928 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Symbology1.png\" alt=\"\" width=\"895\" height=\"1008\" \/><\/a><\/p>\n<p>If you&#8217;ve never used the &#8220;tint&#8221; property on a picture marker, it hijacks the relative whiteness of pixels (this took me a bit to wrap my head around) and paints it the color of your choice.<\/p>\n<p>For example, here is an image of a pool cue ball. Then with a blue tint applied&#8230;<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Tint.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88927 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Tint.png\" alt=\"\" width=\"902\" height=\"1006\" \/><\/a><\/p>\n<p>Here, I have a version of the layer <a title=\"Data-driven embiggification...\" href=\"http:\/\/pro.arcgis.com\/en\/pro-app\/help\/mapping\/symbols-and-styles\/graduated-symbols.htm\" target=\"_blank\" rel=\"noopener\">scaled by earthquake magnitude<\/a>. Really small earthquakes have really small blue fuzzies and really big earthquakes have really big blue fuzzies. I&#8217;m using a tint of #00C8D6. Areas of high concentration coalesce to form what pretty much looks like a kernel density map.<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro1.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88929 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro1.jpg\" alt=\"\" width=\"1920\" height=\"1040\" \/><\/a><\/p>\n<p>Like someone took and airbrush to the map and stood too far back. Let&#8217;s make a copy of this layer, reduce the size of the graduated symbols, and tint them #D1FF73. Now it looks like the airbrusher took a step closer.<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro2.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88930 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro2.jpg\" alt=\"\" width=\"1920\" height=\"1040\" \/><\/a><\/p>\n<p>Already we&#8217;re getting an intriguing effect. It sort of reminds me of the lens flare background of the <a href=\"http:\/\/www.focusfeatures.com\/article\/logo_focus_features_corporate\" target=\"_blank\" rel=\"noopener\">Focus Features<\/a> vanity card. Anyway, this train is rolling and I don&#8217;t want to stop it. Here, I&#8217;ve added a third layer, smaller yet, and given a pale yellow color of #FFFFBE.<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro3.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88931 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro3.jpg\" alt=\"\" width=\"1920\" height=\"1040\" \/><\/a><\/p>\n<p>This white hot center really communicates an energetic confluence. Let&#8217;s <a title=\"Couldn't resist. &quot;We need that extra push over the cliff. One louder.&quot;\" href=\"https:\/\/www.youtube.com\/watch?v=4xgx4k83zzc\" target=\"_blank\" rel=\"noopener\">turn it up to eleven<\/a> by now adding a set of small, un-tinted, copies of the layer&#8230;<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro4.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88932 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro4.jpg\" alt=\"\" width=\"1920\" height=\"1040\" \/><\/a><\/p>\n<p><a href=\"https:\/\/nation.maps.arcgis.com\/home\/item.html?id=bf439954e2b64d418aedd2fe11217d83\" target=\"_blank\" rel=\"noopener\">Firefly cartography<\/a> does a pretty decent job of conveying blips of events and their diminishing impact on their surroundings at greater distance. The effect of a combined luminescence, particularly when coupled with a color scheme, can create the effect of regional intensity that spills over into neighboring areas. Just like in real life!<\/p>\n<p>You could use a kernel density renderer of dense point layers, like this, and that would look cool, too. But there is an interesting amount of fluidity and control that this method allows. I hope you&#8217;ll give it a go (here&#8217;s a <a href=\"https:\/\/i2.wp.com\/adventuresinmapping.files.wordpress.com\/2017\/07\/glowdot20.png\" target=\"_blank\" rel=\"noopener\">link<\/a> to the image used as the picture marker), and make maps that are <a href=\"https:\/\/www.youtube.com\/watch?v=ou6JNQwPWE0\" target=\"_blank\" rel=\"noopener\">full of stars<\/a> and share the results here in the comments!<\/p>\n<p>Speaking of stars, here&#8217;s a fun alternative to the top-most white symbols. This topmost layer uses a <a title=\"Right-click and download this shimmerific image if you want to use it.\" href=\"https:\/\/i2.wp.com\/adventuresinmapping.files.wordpress.com\/2017\/10\/glowshimmer.png\" target=\"_blank\" rel=\"noopener\">glowing image with a bit of a lens flare shimmer<\/a>. Why not?<\/p>\n<p><a href=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro5.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-88946 noIMGBackground\" src=\"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2017\/10\/Pro5.jpg\" alt=\"\" width=\"1920\" height=\"1040\" \/><\/a><\/p>\n<p>If you&#8217;d like to see the full-version in this style, as well as a map of the Mid-Atlantic Ridge, they are posted <a title=\"Get ready to live.\" href=\"https:\/\/adventuresinmapping.com\/2017\/10\/26\/earthquakes\/\" target=\"_blank\" rel=\"noopener\">here<\/a>.<\/p>\n<p>If you like the basemap, you can have at it, in the form of a Pro project, <a href=\"https:\/\/nation.maps.arcgis.com\/home\/item.html?id=91ab0648809a48d2a6814d166c7e2a8d\" target=\"_blank\" rel=\"noopener\">here<\/a>. There is also a <a href=\"https:\/\/livingatlas.arcgis.com\/en\/#s=0&amp;q=firefly\" target=\"_blank\" rel=\"noopener\">Firefly imagery basemap<\/a> tile set in the same aesthetic.<\/p>\n<p>This map has a black vignette, to help frame the content and because vignettes are awesome. <a href=\"https:\/\/blogs.esri.com\/esri\/arcgis\/2017\/09\/14\/steal-these-vignettes-please\/\" target=\"_blank\" rel=\"noopener\">Here&#8217;s<\/a> where you can download it and peruse a quick how-to.<\/p>\n<p>Happy Mapping! <a href=\"https:\/\/twitter.com\/John_M_Nelson\" target=\"_blank\" rel=\"noopener\">John<\/a><\/p>\n"}],"authors":[{"ID":6971,"user_firstname":"John","user_lastname":"Nelson","nickname":"John Nelson","user_nicename":"j_nelson","display_name":"John Nelson","user_email":"John_Nelson@esri.com","user_url":"http:\/\/www.adventuresinmapping.com","user_registered":"2018-03-02 00:19:05","user_description":"I have far too much fun looking for ways to understand and present data visually, hopefully driving product strategy and engaging users. I work in the ArcGIS Living Atlas team at Esri, pushing and pulling data in all sorts of absurd ways and then sharing the process. I also design user experiences for maps and apps.\r\nWhen I'm not doing those things, I'm chasing around toddlers and wrangling chickens, and generally getting into other ad-hoc adventures. Life is good.\r\nYou might also like these Styles for ArcGIS Pro: esriurl.com\/nelsonstyles","user_avatar":"<img data-del=\"avatar\" src='https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2018\/04\/Profile.jpg' class='avatar pp-user-avatar avatar-96 photo ' height='96' width='96'\/>"}],"related_articles":"","card_image":false,"wide_image":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Luminance Hack<\/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:\/\/www.esri.com\/arcgis-blog\/products\/data-management\/data-management\/luminance-hack\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Luminance Hack\" \/>\n<meta property=\"og:url\" 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