Generate images based on technique - WIP

src/Image.js

@@ -1,4 +1,29 @@
 import IIIFResource from './IIIFResource.js';
+
+const splitter = {
+    NIR: splitNIR,
+    DN: splitDNO,
+    DO: splitDNO,
+    //HSI: splitHSI
+};
+
+function splitNIR(filename) {
+    let splitFilename = filename.split('_');
+    const papyrusNumb = splitFilename[0].split('-')[2];
+    const baseFolder = `PHerc_${papyrusNumb}`;
+    const subfolder = `PHerc_${papyrusNumb}_${splitFilename[2].split('-')[0]}`;
+
+    return {baseFolder, subfolder};
+}
+
+function splitDNO(filename) {
+    let splitFilename = filename.split('_');
+    const baseFolder = splitFilename.slice(0,2).join('_');
+    const subfolder = splitFilename.slice(0,3).join('_');
+
+    return {baseFolder, subfolder};
+}
+
 /**
  * @implements IIIFResource
  */
@@ -35,13 +60,14 @@ class Image {
     /**
      * Generate IIIF id pointing to image
      * server endpoint for this image
+     * @todo Warning! Only works for NIR filenames...
      * @param {string} serviceURL The image server base URL
      * @param {string} filename The image's complete filename
      */
     generateID(serviceURL, filename) {
-        let splitFilename = filename.split('_');
-        const baseFolder = splitFilename.slice(0,2).join('_');
-        const subfolder = splitFilename.slice(0,3).join('_');
+        let splitFn = splitter[/(NIR|DO|DN|HSI)/.exec(filename)[0]];
+
+        const {baseFolder, subfolder} = splitFn(filename);
 
         this.id = `${serviceURL}/2/${baseFolder}%2F${subfolder}%2F${filename}/full/full/0/default.jpg`;
         this.service['@id'] = this.id.replace(/\/full.*$/,'');

src/common.js

@@ -1,11 +1,22 @@
+'use strict';
+
 import * as fs from 'fs';
 import * as path from 'path';
 import Manifest from './Manifest.js';
 import Sequence from './Sequence.js';
 import Canvas from './Canvas.js';
 import Image from './Image.js';
+import ManifestMetadata from './Metadata.js';
 const Common = {};
 
+const TECH_NAMES = {
+	dn: "Disegni Napoletani",
+	do: "Disegni Oxoniensi",
+	nir: "Technical Photography NIR",
+	hsi: "Hyperspectral Imaging",
+	uvf: "Technical Photography UVF",
+}
+
 /**
  * @param {string} manifestId 
  */
@@ -54,29 +65,34 @@ Common.getImageSize = async function (imageId) {
 Common.getImageName = async function (canvas) {
     const images = await this.getImageList(canvas.resourceId);
 		
-	return images.filter(i => i.includes(canvas.name))[0];
+	return images.filter(
+		i => i.includes(canvas.name)
+	)[0];
 }
 /**
- * @param {Manifest} manifest The manifest object
- * @param {string[]} images List of image filenames from folder
- * @returns {Manifest}
+ * Create a canvas from an image filename
+ * @param {Manifest} manifest 
+ * @param {string} filename The image filename 
+ * @returns 
  */
-Common.populateCanvases = async function (manifest, images) {
-	const IIIF_API_VERSION = process.env.IIIF_API_VERSION;
-	const BASE_URL = process.env.BASE_URL;
-	const sequence = new Sequence(BASE_URL);
-	// There's only one sequence
-	sequence.generateID(manifest.resourceId, 0);
-
-	for (let img of images) {
-		let canvas = new Canvas(IIIF_API_VERSION, BASE_URL);
-		const canvasName = img.split('_')[3].replace(/\.[\w\d]{2,3}$/,'');
-
+Common.createCanvas = async function (manifest, filename) {
+	let canvas = new Canvas(
+		process.env.IIIF_API_VERSION,
+		process.env.BASE_URL
+	);
+	const canvasName = filename.split('_')[1];
 	canvas.generateID(manifest.resourceId, canvasName);
-		canvas.label = `${manifest.resourceId}-${canvasName.toLowerCase()}`;
+	canvas.label = canvasName
+		.replace(/c(\w+)0+(\d+)/, function (str, c, number) {
+			return `C${c}. ${number}`;
+		});
 
 	let image = new Image(canvas.id);
-		image.generateID(process.env.IMAGE_SERVER_URL, img);
+	image.generateID(process.env.IMAGE_SERVER_URL, filename);
+
+	// DEBUG
+	console.log(image.id);
+
 	const imgSize = await this.getImageSize(image.id);
 	image.setSize(imgSize.height, imgSize.width);
 
@@ -85,8 +101,22 @@ Common.populateCanvases = async function (manifest, images) {
 		imgSize.thumb.width,
 		image.id
 	);
-
 	canvas.addImage(image);
+
+	return canvas;
+}
+/**
+ * @param {Manifest} manifest The manifest object
+ * @param {string[]} images List of image filenames from folder
+ * @returns {Manifest}
+ */
+Common.populateCanvases = async function (manifest, images) {
+	const sequence = new Sequence(process.env.BASE_URL);
+	// There's only one sequence
+	sequence.generateID(manifest.resourceId, 0);
+
+	for (let img of images) {
+		let canvas = await this.createCanvas(manifest, img);
 		sequence.addCanvas(canvas);
 	}
 
@@ -94,5 +124,15 @@ Common.populateCanvases = async function (manifest, images) {
 
 	return manifest;
 }
+/**
+ * @todo Implement...
+ * @param {string} imageName The image filename
+ * @returns {ManifestMetadata}
+ */
+Common.createMetadata = function (imageName) {
+	let metadata = {};
+
+	return new ManifestMetadata(metadata);
+}
 
 export default Common;