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| A Perspective example which uses your computer's webcam as a data source. |
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| /* ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓ | ||
| * ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃ | ||
| * ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃ | ||
| * ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃ | ||
| * ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃ | ||
| * ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫ | ||
| * ┃ Copyright (c) 2017, the Perspective Authors. ┃ | ||
| * ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃ | ||
| * ┃ This file is part of the Perspective library, distributed under the terms ┃ | ||
| * ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃ | ||
| * ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛ | ||
| */ | ||
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| body { | ||
| background: #242526; | ||
| color: white; | ||
| font-family: "Roboto Mono"; | ||
| touch-action: none; | ||
| } | ||
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| * { | ||
| box-sizing: border-box; | ||
| } | ||
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| #app { | ||
| display: flex; | ||
| flex-direction: column; | ||
| position: absolute; | ||
| top: 0; | ||
| left: 0; | ||
| right: 0; | ||
| bottom: 0; | ||
| } | ||
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| #header { | ||
| display: flex; | ||
| flex-wrap: wrap; | ||
| align-items: center; | ||
| } | ||
|
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| #header a { | ||
| display: inline-flex; | ||
| } | ||
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| perspective-viewer { | ||
| border-top: 1px solid #666; | ||
| flex: 1 1 auto; | ||
| } | ||
|
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| label { | ||
| height: 32px; | ||
| font-size: 12px; | ||
| padding: 6px 0px; | ||
| margin-right: 4px; | ||
| margin-left: 14px; | ||
| margin-top: 8px; | ||
| margin-bottom: 8px; | ||
| border: 1px solid transparent; | ||
| } | ||
|
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| img { | ||
| vertical-align: middle; | ||
| margin-left: 14px; | ||
| } | ||
|
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| select, button { | ||
| font-family: "Roboto Mono"; | ||
| font-size: 12px; | ||
| appearance: none; | ||
| background-color: transparent; | ||
| border: 1px solid #666; | ||
| border-radius: 2px; | ||
| padding: 6px 10px; | ||
| color: #f4f5f6; | ||
| cursor: pointer; | ||
| margin-right: 4px; | ||
| margin-left: 4px; | ||
| outline: none; | ||
| user-select: none; | ||
| height: 32px; | ||
| margin-top: 8px; | ||
| margin-bottom: 8px; | ||
| } | ||
|
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| select:hover, button:hover { | ||
| color: #242526; | ||
| background-color: #f4f5f6; | ||
| border-color: #f4f5f6; | ||
| } |
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| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no" /> | ||
| <link rel="preload" href="/node_modules/@finos/perspective-viewer/dist/cdn/perspective_bg.wasm" as="fetch" type="application/wasm" crossorigin="anonymous" /> | ||
| <link rel="preload" href="/node_modules/@finos/perspective/dist/cdn/perspective.js" as="script" type="application/javascript" crossorigin="anonymous" /> | ||
| <link rel="preload" href="/node_modules/@finos/perspective/dist/cdn/perspective.cpp.wasm" as="fetch" type="application/wasm" crossorigin="anonymous" /> | ||
| <link rel="preload" href="/node_modules/@finos/perspective/dist/cdn/perspective.worker.js" as="fetch" type="application/javascript" crossorigin="anonymous" /> | ||
| <script type="module" src="/node_modules/@finos/perspective-viewer/dist/cdn/perspective-viewer.js"></script> | ||
| <script type="module" src="/node_modules/@finos/perspective-viewer-datagrid/dist/cdn/perspective-viewer-datagrid.js"></script> | ||
| <script type="module" src="/node_modules/@finos/perspective-viewer-d3fc/dist/cdn/perspective-viewer-d3fc.js"></script> | ||
| <script type="module" src="webcam.js"></script> | ||
| <link rel="stylesheet" href="index.css" /> | ||
| <link rel="stylesheet" crossorigin="anonymous" href="/node_modules/@finos/perspective-viewer/dist/css/themes.css" /> | ||
| <style> | ||
| perspective-workspace { | ||
| position: absolute; | ||
| top: 0; | ||
| left: 0; | ||
| bottom: 0; | ||
| right: 0; | ||
| } | ||
| video, | ||
| canvas { | ||
| display: none; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <video id="video" width="80" height="60" autoplay muted></video> | ||
| <canvas id="canvas" width="80" height="60"></canvas> | ||
| <div id="app"> | ||
| <div id="header"> | ||
| <a href="https://perspective.finos.org"> | ||
| <img height="12" src="https://raw.githubusercontent.com/finos/perspective/master/docs/static/svg/perspective-logo-dark.svg" /> | ||
| </a> | ||
| <label>Webcam Demo</label> | ||
| <select></select> | ||
| </div> | ||
| <perspective-viewer></perspective-viewer> | ||
| </div> | ||
| </body> | ||
| </html> |
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| [ | ||
| { | ||
| "plugin": "Heatmap", | ||
| "title": "Heatmap Cam", | ||
| "group_by": ["x"], | ||
| "split_by": ["y"], | ||
| "columns": ["color"], | ||
| "expressions": { | ||
| "y": "-floor(\"index\" / 80)", | ||
| "x": "-\"index\" % 80" | ||
| }, | ||
| "aggregates": { | ||
| "New Column 1": "any" | ||
| } | ||
| }, | ||
| { | ||
| "plugin": "Heatmap", | ||
| "plugin_config": {}, | ||
| "settings": true, | ||
| "theme": "Pro Light", | ||
| "title": "Downsampled Heatmap Cam", | ||
| "group_by": ["x"], | ||
| "split_by": ["y"], | ||
| "columns": ["color"], | ||
| "filter": [], | ||
| "sort": [], | ||
| "expressions": { | ||
| "y": "bucket(-floor(\"index\" / 80), 3)", | ||
| "x": "bucket(-\"index\" % 80, 3)" | ||
| }, | ||
| "aggregates": {} | ||
| }, | ||
| { | ||
| "plugin": "Datagrid", | ||
| "plugin_config": { | ||
| "columns": { | ||
| "color": { | ||
| "bg_gradient": 251.04, | ||
| "neg_bg_color": "#ffa38f", | ||
| "number_bg_mode": "gradient", | ||
| "number_fg_mode": "disabled", | ||
| "pos_bg_color": "#346ead" | ||
| } | ||
| }, | ||
| "editable": false, | ||
| "scroll_lock": false | ||
| }, | ||
| "title": "Spreadsheet Cam", | ||
| "group_by": ["y"], | ||
| "split_by": ["x"], | ||
| "columns": ["color"], | ||
| "filter": [], | ||
| "sort": [], | ||
| "expressions": { | ||
| "New Column 1": "bucket(\"color\", 5)", | ||
| "y": "floor(\"index\" / 80)", | ||
| "x": "-\"index\" % 80" | ||
| }, | ||
| "aggregates": {} | ||
| }, | ||
| { | ||
| "plugin": "Y Bar", | ||
| "plugin_config": {}, | ||
| "title": "Luminosity Histogram", | ||
| "group_by": ["bucket(\"color\", 5)"], | ||
| "split_by": [], | ||
| "columns": ["color"], | ||
| "filter": [], | ||
| "sort": [], | ||
| "expressions": { | ||
| "bucket(\"color\", 5)": "bucket(\"color\", 5)", | ||
| "y": "-floor(\"index\" / 80)", | ||
| "x": "-\"index\" % 80" | ||
| }, | ||
| "aggregates": {} | ||
| }, | ||
| { | ||
| "plugin": "Datagrid", | ||
| "plugin_config": { | ||
| "columns": { | ||
| "color": { | ||
| "bg_gradient": 2463.68, | ||
| "neg_bg_color": "#ffa38f", | ||
| "number_bg_mode": "gradient", | ||
| "number_fg_mode": "disabled", | ||
| "pos_bg_color": "#307bb0" | ||
| } | ||
| }, | ||
| "editable": false, | ||
| "scroll_lock": false | ||
| }, | ||
| "title": "Small Spreadsheet Cam", | ||
| "group_by": ["bucket(y, 5)"], | ||
| "split_by": ["bucket(x, 5)"], | ||
| "columns": ["color"], | ||
| "filter": [["bucket(x, 5)", "<", 0.0]], | ||
| "sort": [], | ||
| "expressions": { | ||
| "bucket(y, 5)": "bucket(floor(\"index\" / 80), 2)", | ||
| "New Column 1": "bucket(\"color\", 5)", | ||
| "bucket(x, 5)": "bucket(-\"index\" % 80, 5)" | ||
| }, | ||
| "aggregates": {} | ||
| }, | ||
| { | ||
| "plugin": "Y Line", | ||
| "plugin_config": {}, | ||
| "title": "Max Headroom", | ||
| "group_by": ["x"], | ||
| "split_by": ["y"], | ||
| "columns": ["New Column 2"], | ||
| "filter": [["x", "<", 0.0]], | ||
| "sort": [], | ||
| "expressions": { | ||
| "x": "-\"index\" % 80", | ||
| "y": "floor(\"index\" / 80)", | ||
| "New Column 2": "-floor(\"index\" / 80) * 20 - \"color\"" | ||
| }, | ||
| "aggregates": { "New Column 2": "avg" } | ||
| }, | ||
| { | ||
| "plugin": "X/Y Scatter", | ||
| "plugin_config": {}, | ||
| "title": "Scatter Cam", | ||
| "group_by": ["x", "y"], | ||
| "split_by": [], | ||
| "columns": ["x", "New Column 2", "color", null, null, null, null], | ||
| "filter": [["x", "<", 0.0]], | ||
| "sort": [], | ||
| "expressions": { | ||
| "New Column 2": "-floor(\"index\" / 80) * 50 - \"color\"", | ||
| "x": "-\"index\" % 80", | ||
| "y": "floor(\"index\" / 80)" | ||
| }, | ||
| "aggregates": { "x": "avg", "New Column 2": "avg" } | ||
| }, | ||
| { | ||
| "plugin": "Datagrid", | ||
| "plugin_config": { | ||
| "columns": {}, | ||
| "editable": false, | ||
| "scroll_lock": false | ||
| }, | ||
| "title": "Raw Stream", | ||
| "group_by": [], | ||
| "split_by": [], | ||
| "columns": ["index", "color"], | ||
| "filter": [], | ||
| "sort": [], | ||
| "expressions": {}, | ||
| "aggregates": {} | ||
| } | ||
| ] |
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