WIP: widget two way binding of xlate, scale, rot, mostly work

WIP: side by side panel
WIP: adding landmarks (still needs to render the landmarks)

TODO.md

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+- implement incoming volume tune
+    - rotation two way binding
+    - allow input of voxel spacing
+    - flip x, y, z
+- implement landmark preview/view
+- implement side by side view
+    - hide incoming volume in primary viewer
+    - hide incoming landmarks in primary viewer
+    - show incoming volume in secondary viewer
+    - show incoming landmarks in secondary viewer
+        - with identity affine
+        - fix existing landmarks
+    - fix add landmark overlay
+- implement history
+- implement export/import of matrices
+- fix
+    - on viewer drag drop rotation is still stuffed

app/.gitignore

@@ -0,0 +1 @@
+.env*

app/README.md

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+# app
+
+> Landmark-reg prototype
+
+## Build Setup
+
+``` bash
+# install dependencies
+npm install
+
+# serve with hot reload at localhost:8080
+npm run dev
+
+# build for production with minification
+npm run build
+
+# build for production and view the bundle analyzer report
+npm run build --report
+```
+
+For a detailed explanation on how things work, check out the [guide](http://vuejs-templates.github.io/webpack/) and [docs for vue-loader](http://vuejs.github.io/vue-loader).

app/babel.config.js

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+module.exports = {
+  presets: [
+    '@vue/app'
+  ]
+}

app/config/dev.env.js

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+'use strict'
+const merge = require('webpack-merge')
+const prodEnv = require('./prod.env')
+
+module.exports = merge(prodEnv, {
+  NODE_ENV: '"development"'
+})

app/config/index.js

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+'use strict'
+// Template version: 1.3.1
+// see http://vuejs-templates.github.io/webpack for documentation.
+
+const path = require('path')
+
+module.exports = {
+  dev: {
+
+    // Paths
+    assetsSubDirectory: 'static',
+    assetsPublicPath: '/',
+    proxyTable: {},
+
+    // Various Dev Server settings
+    host: 'localhost', // can be overwritten by process.env.HOST
+    port: 8080, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
+    autoOpenBrowser: false,
+    errorOverlay: true,
+    notifyOnErrors: true,
+    poll: false, // https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-
+
+    // Use Eslint Loader?
+    // If true, your code will be linted during bundling and
+    // linting errors and warnings will be shown in the console.
+    useEslint: true,
+    // If true, eslint errors and warnings will also be shown in the error overlay
+    // in the browser.
+    showEslintErrorsInOverlay: false,
+
+    /**
+     * Source Maps
+     */
+
+    // https://webpack.js.org/configuration/devtool/#development
+    devtool: 'cheap-module-eval-source-map',
+
+    // If you have problems debugging vue-files in devtools,
+    // set this to false - it *may* help
+    // https://vue-loader.vuejs.org/en/options.html#cachebusting
+    cacheBusting: true,
+
+    cssSourceMap: true
+  },
+
+  build: {
+    // Template for index.html
+    index: path.resolve(__dirname, '../../dist/index.html'),
+
+    // Paths
+    assetsRoot: path.resolve(__dirname, '../../dist'),
+    assetsSubDirectory: 'static',
+    assetsPublicPath: '',
+
+    /**
+     * Source Maps
+     */
+
+    productionSourceMap: true,
+    // https://webpack.js.org/configuration/devtool/#production
+    devtool: '#source-map',
+
+    // Gzip off by default as many popular static hosts such as
+    // Surge or Netlify already gzip all static assets for you.
+    // Before setting to `true`, make sure to:
+    // npm install --save-dev compression-webpack-plugin
+    productionGzip: false,
+    productionGzipExtensions: ['js', 'css'],
+
+    // Run the build command with an extra argument to
+    // View the bundle analyzer report after build finishes:
+    // `npm run build --report`
+    // Set to `true` or `false` to always turn it on or off
+    bundleAnalyzerReport: process.env.npm_config_report
+  }
+}

app/config/prod.env.js

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+'use strict'
+module.exports = {
+  NODE_ENV: '"production"',
+  VUE_APP_ALLOW_UPLOAD: 'true'
+}