{"id":7311,"date":"2024-08-28T04:31:59","date_gmt":"2024-08-28T09:31:59","guid":{"rendered":"https:\/\/stager.tv\/?p=7311"},"modified":"2024-08-28T15:18:44","modified_gmt":"2024-08-28T20:18:44","slug":"making-dreamtime-designs-with-lynx","status":"publish","type":"post","link":"https:\/\/stager.tv\/?p=7311","title":{"rendered":"Computational Dreamtime Designs"},"content":{"rendered":"\n<p>\u00a9 2000 &#8211; 2024\u00a0<a href=\"http:\/\/www.stager.org\/main.html\">Gary S. Stager<\/a><\/p>\n\n\n\n<p><mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><em><a href=\"https:\/\/www.stager.org\/articles\/dreamtime.html\" target=\"_blank\" rel=\"noreferrer noopener\">A version of this article<\/a>, <a href=\"https:\/\/www.stager.org\/articles\/dreamtime.html\" target=\"_blank\" rel=\"noreferrer noopener\">Making Dreamtime Designs with MicroWorlds,<\/a> was published in 2000 for use with MicroWorlds (Logo) software.<\/em> (the link to <a href=\"http:\/\/www.stager.org\/main.html\" target=\"_blank\" rel=\"noreferrer noopener\">my homepage<\/a> is a stroll down bad Web design memory lane)<\/mark><\/p>\n\n\n\n<p>The aboriginal people of Australia have expressed themselves through a form of painting for thousands of years. These paintings tell the stories of\u00a0<em>dreamtime<\/em>, myths of spirituality, community and survival. The geometric style and symbolism of dreamtime painting create an excellent opportunity for combining art, mathematics, language arts, multiculturalism and social studies in a creative context. Such art tells stories of hunting, dreaming, community, the environment, and human aspiration. This heritage of human expression expressed in the works of <a href=\"https:\/\/aiatsis.gov.au\/explore\/australias-first-peoples\" target=\"_blank\" rel=\"noreferrer noopener\">Australia&#8217;s first nations<\/a> offers multiple lenses through which learners may view their world, their history, and their place in the world.<br><br>While certainly subordinate to the goals of <a href=\"https:\/\/www.reconciliation.org.au\/reconciliation\/what-is-reconciliation\/\" target=\"_blank\" rel=\"noreferrer noopener\">reconciliation<\/a>, seeing and interpreting visual information, is an additional benefit of appreciating such artistic beauty and a way of knowing. Describing the art in computational terms adds an intellectual formalism that develops mathematical fluency.  That said, best practice is to make this art with the\u00a0presence of and in collaboration with First Nations artists and cultural knowledge holders.<\/p>\n\n\n\n<p>There are artistic elements in the Australian indigenous art similar to patterns found in nature, other indigenous art from across the globe, in Pointillism, ala Georges Seurat, and one might event note the influences on street art by artists such as Keith Haring or Jean-Michel Basquiat.<\/p>\n\n\n\n<p><a href=\"http:\/\/playfulinvention.com\/webturtleart\" target=\"_blank\" rel=\"noreferrer noopener\">Turtle Art<\/a> and <a href=\"http:\/\/lynxcoding.club\" target=\"_blank\" rel=\"noreferrer noopener\">Lynx<\/a> software are a terrific canvas for expressing dreamtime-like designs of you and your students in this fashion. Use and learn more about Lynx at <a href=\"http:\/\/lynxcoding.club\/\" target=\"_blank\" rel=\"noreferrer noopener\">lynxcoding.club<\/a> and Turtle Art <a href=\"http:\/\/playfulinvention.com\/webturtleart\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The art<\/strong><\/h2>\n\n\n\n<p>Take a look at the following web sites to learn more about aboriginal art. Perhaps you will be inspired to create your own masterpiece!<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.aboriginal-art-australia.com\/aboriginal-art-library\/the-story-of-aboriginal-art\/\" target=\"_blank\" rel=\"noreferrer noopener\">The Story of Indigenous Art in Australia<\/a> <\/li>\n\n\n\n<li><a href=\"https:\/\/kobisaintyart.com.au\/\">Kobi Sainty Art web site<\/a> (an Australian artist who offers school workshops)<\/li>\n\n\n\n<li><a href=\"https:\/\/web.archive.org\/web\/20041012044546\/http:\/\/aboriginalart.com.au\/gallery\/\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/www.aboriginalart.com.au\/gallery\/gallery_gallery.cfm<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/web.archive.org\/web\/20040407023000\/http:\/\/members.ozemail.com.au\/%7Eaaia\/invest.htm\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/www.ozemail.com.au\/~aaia\/invest.htm<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11-1024x819.png\" alt=\"\" class=\"wp-image-7319\" srcset=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11-1024x819.png 1024w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11-300x240.png 300w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11-768x614.png 768w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">A dreamtime design created in Turtle Art employing lots of randomness<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Block-based programming in Turtle Art<\/h2>\n\n\n\n<p><a href=\"http:\/\/playfulinvention.com\/webturtleart\" target=\"_blank\" rel=\"noreferrer noopener\">Turtle Art<\/a> is a spectacular programming environment for learners of all ages. Its limited tool set is focused on communicating geometric ideas in service of producing beautiful 2D art.  Unlike <a href=\"http:\/\/lynxcoding.club\" target=\"_blank\" rel=\"noreferrer noopener\">Lynx<\/a> or <a href=\"http:\/\/snap.berkeley.edu\">Snap!<\/a>, which allow for multiple turtles, animation, multimedia, and expansive computer science concepts, Turtle Art concretizes mathematical ideas while remaining accessible to beginners, young learners, and their teachers.<\/p>\n\n\n\n<p>Students should be encouraged to create dreamtime designs in their own style using just a few blocks \u2013 FORWARD, BACK, RIGHT, LEFT, PEN UP, PEN DOWN, and perhaps REPEAT, ARC, and SET COLOR. Dots, circles, wavy lines, may all be created, in one or multiple colors, to create dreamtime-like art. The best of these images should tell a story as well.<\/p>\n\n\n\n<p>The Turtle Art dreamtime design (above) was created with user-defined blocks (procedures in Lynx) that drew specific figures in random colors, in random positions on the canvas (screen). Some of the symbols were drawn outside of the screen borders as an artifact of the randomness. Iteration, conditionals, random number generation, local and global variables are used. Once you can program a list of instructions for drawing a specific symbol, you can vary it size, move it, change its color, or orientation by using variables and randomness. As the programmer, you are creating the paintbrushes and other expressive tools used by yourself or others to create a version of dreamtime designs. A host of Turtle Art resources, project ideas, reference materials, and more may be found <a href=\"https:\/\/constructingmodernknowledge.com\/turtleart\/\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"729\" src=\"http:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-1024x729.png\" alt=\"\" class=\"wp-image-7326\" srcset=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-1024x729.png 1024w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-300x214.png 300w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-768x547.png 768w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-1536x1093.png 1536w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-2048x1458.png 2048w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.44.25\u202fAM-120x85.png 120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">A screenshot of Turtle Art programming with the dreamtime design it created beneath the blocks <\/figcaption><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<ol class=\"wp-block-list\">\n<li>Open <a href=\"http:\/\/playfulinvention.com\/webturtleart\" target=\"_blank\" rel=\"noreferrer noopener\">Turtle Art<\/a><\/li>\n\n\n\n<li>Drag the sample <a href=\"http:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime-11.png\" target=\"_blank\" rel=\"noreferrer noopener\">Turtle Art project <\/a>I created into a browser window running Turtle Art, and read the program. Do you understand it? Can you use the new blocks I programmed? How might you program similar dreamtime designs? You may of course change my blocks or use them as elements of new blocks. <br><br>(You may need to download the file to your hard drive and then drag the file into Turtle Art or you may drag the image above directly into Turtle Art running in another browser window &#8211; depending on your browser.)<\/li>\n\n\n\n<li>Click on the menu icon at the bottom right-hand corner of the Turtle Art screen, save your image as an SVG file, and print your dreamtime design on a vinyl cutter or laser cutter! (Learn more in this free <a href=\"https:\/\/constructingmodernknowledge.com\/tatpg5\/\" target=\"_blank\" rel=\"noreferrer noopener\">white paper!<\/a>)<\/li>\n<\/ol>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.23.03\u202fAM.png\"><img loading=\"lazy\" decoding=\"async\" width=\"306\" height=\"778\" src=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.23.03\u202fAM.png\" alt=\"\" class=\"wp-image-7321\" style=\"width:104px;height:auto\" srcset=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.23.03\u202fAM.png 306w, https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Screenshot-2024-08-28-at-2.23.03\u202fAM-118x300.png 118w\" sizes=\"auto, (max-width: 306px) 100vw, 306px\" \/><\/a><figcaption class=\"wp-element-caption\">Turtle Art blocks I defined<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p>Could you create dreamtime designs and embroider them with a digital embroidery machine and <a href=\"https:\/\/turtlestitch.org\" target=\"_blank\" rel=\"noreferrer noopener\">TurtleStitch software?<\/a><\/p>\n\n\n\n<p>You may also try using a &#8220;floor turtle,&#8221; such as the <a href=\"https:\/\/www.birdbraintechnologies.com\/products\/finch-robot-2-0\/\" target=\"_blank\" rel=\"noreferrer noopener\">Finch<\/a>, to draw your dreamtime design programs on paper.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.stager.org\/images\/article%20images\/dreamtime.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">A simple dreamtime design programmed with turtle graphics in Lynx<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>The Lynx toolkit<\/strong><\/h2>\n\n\n\n<p>The procedurality of Lynx allows the user to create tools for creating their art. Lynx is an excellent choice for programming in a modern text-based <a href=\"https:\/\/dailypapert.com\/logo\">Logo<\/a> dialect. You might think of the following Logo procedures as a collection of different paintbrushes. Each procedure creates a different type of geometric figure. The use of numerical variables\/inputs allows the user to\u00a0<em>paint<\/em>\u00a0with number.<\/p>\n\n\n\n<p>Since the dreamtime designs are composed of dots, we need a basic dot procedure. This one puts the turtle&#8217;s pen down and then goes&nbsp;fd 0. You may experiment with the size of the dot by either changing the pen size or changing the shape of the turtle and stamping the turtle costume rather than drawing a dot.<\/p>\n\n\n\n<p>to dot<br>pd fd 0 pu<br>end<\/p>\n\n\n\n<p>Experiment with each of the three dot procedures and determine which one you wish to use. Only one procedure should be in the procedure tab of your project.<\/p>\n\n\n\n<p>to dot<br>setsh &#8220;<em>theshapenameofyourchoice<br><\/em>pd stamp pu<br>end<\/p>\n\n\n\n<p>to dot<br>setpensize 2<br>pd fd 0 pu<br>end<\/p>\n\n\n\n<p>l&nbsp;stands for line and creates a line segment of a distance :length&nbsp;with dots :spacing apart. In other words, a&nbsp;l 50 5&nbsp;would create a segment 50 units long with turtle steps 5 units apart. Ten dots would compose the line segment. You may use this procedure in superprocedures creating tracks or other geometric shapes.<\/p>\n\n\n\n<p>to l :length :spacing<br>repeat :length \/ :spacing [dot pu fd :spacing]<br>end<\/p>\n\n\n\n<p>c&nbsp;stands for circle and creates a circle of a radius :radius&nbsp;with dots :spacing apart around the circumference. Can you make a procedure that draws concentric circles?<\/p>\n\n\n\n<p>to c :radius :spacing<br>repeat 360 \/ :spacing [fd :radius dot pu bk :radius rt :spacing]<br>end<\/p>\n\n\n\n<p>Create the following procedure and try it by typing CIRCLES in the command center. What does it do?<\/p>\n\n\n\n<p>to circles<br>setc &#8220;red<br>c 100 10<br>setc &#8220;blue<br>c 50 20<br>setc &#8220;green<br>c 25 5<br>end<\/p>\n\n\n\n<p>What happens when you create concentric circles with different spacing between the dots?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Forward!<\/strong><\/h2>\n\n\n\n<p>Seek inspiration from the galleries of aboriginal art listed above. Can you recreate some of the patterns you see with Lynx? Use the provided procedures and your own variations to create a dreamtime design that tells a story. Share that graphic story with your colleagues.<\/p>\n\n\n\n<p>Right-Click (Windows) or CTRL-Click (Mac) to copy or save graphic you create. Be sure to hide the turtle before doing so. Now, you can use your dreamtime design in other applications or print it.<\/p>\n\n\n\n<p>Are there other types of art made of dots? Can you point to some examples on the web? (see <a href=\"https:\/\/en.wikipedia.org\/wiki\/Pointillism\">pointillism<\/a>) <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a9 2000 &#8211; 2024\u00a0Gary S. Stager A version of this article, Making Dreamtime Designs with MicroWorlds, was published in 2000 for use with MicroWorlds (Logo) &hellip; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[433],"tags":[],"class_list":["post-7311","post","type-post","status-publish","format-standard","hentry","category-unfiled"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Computational Dreamtime Designs - Stager-to-Go<\/title>\n<meta name=\"description\" content=\"Combine computation, geometry, culture, history, and storytelling in this open-ended creativity project.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stager.tv\/?p=7311\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Programming Indigenous Dreamtime Designs\" \/>\n<meta property=\"og:description\" content=\"Combine computation, geometry, culture, history, and storytelling in this open-ended creativity project.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stager.tv\/?p=7311\" \/>\n<meta property=\"og:site_name\" content=\"Stager-to-Go\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/gary.stager\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-08-28T09:31:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-28T20:18:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"1120\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Gary Stager\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Programming Indigenous Dreamtime Designs\" \/>\n<meta name=\"twitter:description\" content=\"Combine computation, geometry, culture, history, and storytelling in this open-ended creativity project.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/stager.tv\/wp-content\/uploads\/2024\/08\/Dreamtime.png\" \/>\n<meta name=\"twitter:creator\" content=\"@garystager\" \/>\n<meta name=\"twitter:site\" content=\"@garystager\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gary Stager\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/stager.tv\\\/?p=7311#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/stager.tv\\\/?p=7311\"},\"author\":{\"name\":\"Gary Stager\",\"@id\":\"https:\\\/\\\/stager.tv\\\/#\\\/schema\\\/person\\\/8bd320bea4758fc56f376ecdd9b8b184\"},\"headline\":\"Computational Dreamtime Designs\",\"datePublished\":\"2024-08-28T09:31:59+00:00\",\"dateModified\":\"2024-08-28T20:18:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/stager.tv\\\/?p=7311\"},\"wordCount\":1232,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/stager.tv\\\/?p=7311#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/stager.tv\\\/wp-content\\\/uploads\\\/2024\\\/08\\\/Dreamtime-11-1024x819.png\",\"articleSection\":[\"unfiled\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/stager.tv\\\/?p=7311#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/stager.tv\\\/?p=7311\",\"url\":\"https:\\\/\\\/stager.tv\\\/?p=7311\",\"name\":\"Computational Dreamtime Designs - 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