{"id":15062824,"url":"https://github.com/thi-ng/raymarchcl","last_synced_at":"2025-04-10T10:11:31.216Z","repository":{"id":32582048,"uuid":"36165174","full_name":"thi-ng/raymarchcl","owner":"thi-ng","description":"Experimental OpenCL voxel rendering/raymarching via Clojure REPL (from 2013)","archived":false,"fork":false,"pushed_at":"2015-06-02T01:27:10.000Z","size":2703,"stargazers_count":134,"open_issues_count":1,"forks_count":5,"subscribers_count":8,"default_branch":"master","last_synced_at":"2025-03-24T09:03:37.866Z","etag":null,"topics":["clojure","opencl","renderer","voxel"],"latest_commit_sha":null,"homepage":"","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/thi-ng.png","metadata":{"files":{"readme":"README.org","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2015-05-24T09:34:53.000Z","updated_at":"2024-09-08T16:39:12.000Z","dependencies_parsed_at":"2022-08-24T20:30:27.143Z","dependency_job_id":null,"html_url":"https://github.com/thi-ng/raymarchcl","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/thi-ng%2Fraymarchcl","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/thi-ng%2Fraymarchcl/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/thi-ng%2Fraymarchcl/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/thi-ng%2Fraymarchcl/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/thi-ng","download_url":"https://codeload.github.com/thi-ng/raymarchcl/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248198887,"owners_count":21063628,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["clojure","opencl","renderer","voxel"],"created_at":"2024-09-24T23:47:00.416Z","updated_at":"2025-04-10T10:11:31.161Z","avatar_url":"https://github.com/thi-ng.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"* thi.ng/raymarchcl\n\n[[./assets/gyroid-metal75.jpg]]\n\nExperimental OpenCL voxel rendering/raymarching via Clojure REPL.\n\n** Usage\n\n#+BEGIN_SRC shell\ngit clone git@github.com:thi-ng/raymarchcl.git\ncd raymarchcl\nlein repl\n#+END_SRC\n\n*** Prepare test voxel data\n\n#+BEGIN_SRC clojure\n(require '[thi.ng.raymarchcl.core :as rm])\n(require '[thi.ng.raymarchcl.generators :as gen])\n(require '[thi.ng.raymarchcl.io :as vio])\n\n;; generates a 134MB binary file in project root for later reference\n(vio/save-volume \"gyroid-512.vox\" 512 (gen/make-gyroid-volume {:vres [512 512 512]}))\n#+END_SRC\n\n*** Rendering from the REPL\n\n#+BEGIN_SRC clojure\n  (rm/test-render\n   :width 640 :height 360\n   :iter 1\n   :vres 512 :vname \"gyroid-512.vox\"\n   :mat :orange-stripes\n   :theta -45 :dist 2.25 :dof 1e-5\n   :out-path \"out.jpg\")\n#+END_SRC\n\n*Important note:* Increase the =:iter= count for better quality images!\n\nMaterial presets are defined in the [[./src/thi/ng/raymarchcl/materials.clj][materials namespace]], currently only:\n\n- =:orange-stripes=\n- =:metal=\n- =:metal2=\n- =:ao=\n\nDifferent voxel value bands are mapped to different materials within each preset.\n\n** Gallery of selected experiments\n\n*** Stanford Dragon\n\n[[./assets/dragon-refl16.jpg]]\n\n[[./assets/dragon2.jpg]] \n\n*** Stanford bunny\n\n[[./assets/bunny-normsmooth-16spp-2.jpg]]\n\n*** Gyroid isosurface\n\nThe next two images were rendered w/ 100 iteration to reduce DOF noise\n\n[[./assets/gyroid-100spp-2.jpg]]\n\n[[./assets/gyroid-100spp.jpg]]\n\n[[./assets/gyroid-2.jpg]]\n\n[[./assets/gyroid-25spp.jpg]]\n\n[[./assets/gyroid-dof-corner.jpg]]\n\n[[./assets/gyroid-dof0.025.jpg]]\n\n[[./assets/gyroid-res224-dof0.025.jpg]]\n\n*** NVidia Tesla on EC2\n\nThese images were rendered using Tesla instances on AWS EC2 (back in 2013)\n\n[[./assets/gyroid-metal-dof8.jpg]]\n\n[[./assets/gyroid-tesla.jpg]]\n\n** License\n\nCopyright © 2013 - 2015 Karsten Schmidt\n\nDistributed under the Apache Software License 2.0\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fthi-ng%2Fraymarchcl","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fthi-ng%2Fraymarchcl","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fthi-ng%2Fraymarchcl/lists"}