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{"id":110,"date":"2022-08-27T21:44:09","date_gmt":"2022-08-27T21:44:09","guid":{"rendered":"https:\/\/mirkgenerative.com\/?p=110"},"modified":"2022-08-27T21:44:14","modified_gmt":"2022-08-27T21:44:14","slug":"managing-nft-attributes-in-processing","status":"publish","type":"post","link":"https:\/\/mirkgenerative.com\/notebook\/managing-nft-attributes-in-processing\/","title":{"rendered":"Managing NFT Attributes in Processing"},"content":{"rendered":"\n

I made it through eight months of working on generative art before I realized that there’s a HUGE part of NFTs that I was missing… attributes[]. Shoot! What a bummer! Nevermind that when I came over from PHP\/js only experience I wasn’t using arrays or array lists in Processing. The FIRST THING I should have done was figure out how to track and store attribute data in my work. Well, that’s how I feel now. The journey’s really been about figuring out how to art with code. This would have been a “smarter” way to go about managing the variability\/variety\/permutations in my art from the get go.<\/p>\n\n\n\n\n\n\n\n

Yes. Attributes are an important part of NFT listings and series–particularly in the generative space. (Looking at you, objkt.io >:-O.) But managing variability is an important part of the generative art process as it stands. Either way, managing attributes\/variety can only help improve how you develop and work on your generative art piece.<\/p>\n\n\n\n

\"\"
Screenshot of early project code<\/figcaption><\/figure>\n\n\n\n

When I Started…<\/h2>\n\n\n\n

my first project I was thinking about a general theme, but also about how I could make things different about each iteration of the algorithm. These days I use my sketch book to write down my initial ideas, but originally I actually used a spreadsheet to track all the different elements of the piece that I wanted to be different. I’m a spreadsheet person, so I actually built out most of the initial variability and modeled it in the spreadsheet. <\/p>\n\n\n\n

I took that spreadsheet and started initializing variables, calculating derivative variables, etc. (As you can see above, I wanted to make similar colors that were still pretty random.) While the project progressed I added more and more features and functionality to the program. By the end of it (actually, eight months later when I started using that project to figure out how to mint NFTs) I realized I had no idea which of the variables in this (80 lines of code) mess were key to the variability of the art. Enter my new framework.<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

From Now On…<\/h2>\n\n\n\n

I figure we can skip the “How I Dug Attributes Out of My Processing Code” post and go straight to the point. Attributes have the following consistent format in the NFT world:<\/p>\n\n\n\n

\/\/array of attributes, stored inside the IPFS JSON metadata:\n<\/mark>{\n  \"attributes\": [\n    {\n      \"name\": \"attribute\",\n      \"value\": \"some value\"\n     },\n    {\n      \"name\": \"integer attribute\",\n      \"value\": 4\n    }\n  ]\n}<\/code><\/pre>\n\n\n\n
Hooray for code blocks! One thing: Open Sea uses “trait_type” and OBJKT uses “name”. Until I get to where I feel like I can burn ETH on gas, I’ll be working with XTZ and sticking to “name”.<\/p>\n\n\n\n
While Java lets you do things like use a Map object and HashMap, the way that feels the best to me is this (I’ll try to update it if\/when this changes and I’m open to feedback! [mayChange]<\/sub>):<\/p>\n\n\n\n
1. <\/strong>I create an attributes ArrayList with the type JSONObject.<\/p>\n\n\n\n
ArrayLIst<JSONObject> attributes;<\/code><\/code><\/pre>\n\n\n\n
2. <\/strong>In Processing I can write two functions that can package the attribute JSON and add it to the ArrayList like this:<\/p>\n\n\n\n
void addStringAttribute(String name, String value) {\n  JSONObject tempJSON = new JSONObject();\n  tempJSON.setString(\"name\",name);\n  tempJSON.setString(\"value\",value);\n  attributes.add(tempJSON);\n}<\/code><\/pre>\n\n\n\n
The tempJSON object this creates then looks something like this:<\/p>\n\n\n\n
{\n  \"name\": \"attribute_name\",\n  \"value\": \"attribute_value\"\n}<\/code><\/pre>\n\n\n\n
3. <\/strong>When I set a variable that will be a project attribute (is key to the variability of the piece), I call my functions to add those strings\/integers to the JSONObject array list.<\/p>\n\n\n\n
addStringAttribute(\"attribute_name\", attribute);\naddIntAttribute(\"attrubute_name\",attribute)<\/span>;<\/span><\/code><\/code><\/code><\/pre>\n\n\n\n
I’m sure this seems pretty simple to the old-hands in art on chain generative art. But this was a great opportunity to push myself into thinking more clearly about NFT attribute management and NFT attribute storage.<\/p>\n","protected":false},"excerpt":{"rendered":"
I made it through eight months of working on generative art before I realized that there’s a HUGE part of NFTs that I was missing… attributes[]. Shoot! What a bummer! Nevermind that when I came over from PHP\/js only experience I wasn’t using arrays or array lists in Processing. The FIRST THING I should have … Continue reading Managing NFT Attributes in Processing<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","WB4WB4WP_MODE":"","WB4WP_PAGE_SCRIPTS":"","WB4WP_PAGE_STYLES":"","WB4WP_PAGE_FONTS":"","WB4WP_PAGE_HEADER":"","WB4WP_PAGE_FOOTER":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[13],"tags":[16,12,11,15],"class_list":["post-110","post","type-post","status-publish","format-standard","hentry","category-notebook","tag-attributes","tag-java","tag-processing","tag-variables"],"yoast_head":"\nManaging NFT Attributes in Processing - mirkGenerative<\/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:\/\/mirkgenerative.com\/notebook\/managing-nft-attributes-in-processing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Managing NFT Attributes in Processing - mirkGenerative\" \/>\n<meta property=\"og:description\" content=\"I made it through eight months of working on generative art before I realized that there’s a HUGE part of NFTs that I was missing… attributes[]. 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