eliotjordan

{
  "type": "FeatureCollection",
  "name": "Sanborn_Map_Princeton_NJ_1927_Sheet_7_Extraction",
  "crs": {
    "type": "name",
    "properties": {
      "name": "urn:ogc:def:crs:OGC:1.3:CRS84"
    }
  },
  "features": [

eliotjordan

Gemini analysis of https://iiif-cloud.princeton.edu/iiif/2/d8%2Fa0%2Fb7%2Fd8a0b714e32f4f099d8cb5c22cb85a0c%2Fintermediate_file/full/8582,/0/default.jpg

Using: https://gist.github.com/ewlarson/9474f690f0d39a9f435cba1eec055b11

{
  "text": [
    {
      "content": "PRINCETON N.J.",

eliotjordan

Using Eric Larson's prompt with a IIIF link inserted, this is the result.

Prompt:
Digitized Historical Map OCR + Placenames + Bounding Box + Description
Yourtask is to analyze this digitized historical map image (https://iiif-cloud.princeton.edu/iiif/2/fc%2F46%2F1c%2Ffc461ce39d154c73955e2bf19c487ded%2Fintermediate_file/full/8256,/0/default.jpg)
and produce a high-accuracy extraction of printed textual conten...

eliotjordan

{
	"baseLayer": {
		"tilejson": "2.2.0",
		"name": "base",
		"version": "1.0.0",
		"scheme": "xyz",
		"tiles": [
			"https://a.tile.openstreetmap.org/{z}/{x}/{y}.png"
		]
	},

eliotjordan

{
	"baseLayer": {
		"tilejson": "2.2.0",
		"name": "base",
		"version": "1.0.0",
		"scheme": "xyz",
		"tiles": [
			"https://a.tile.openstreetmap.org/{z}/{x}/{y}.png"
		]
	},

eliotjordan

{
  "type": "AnnotationPage",
  "@context": "http://www.w3.org/ns/anno.jsonld",
  "items": [
    {
      "id": "https://annotations.allmaps.org/maps/47499d84a5b2c6b2",
      "type": "Annotation",
      "@context": [
        "http://iiif.io/api/extension/georef/1/context.json",
        "http://iiif.io/api/presentation/3/context.json"

eliotjordan

{
  "@context": [
    "http://www.w3.org/ns/anno.jsonld",
    "http://iiif.io/api/presentation/3/context.json"
  ],
  "type": "Manifest",
  "id": "https://figgy.princeton.edu/concern/scanned_resources/480ef315-411f-4176-832b-956c3fa005a0/manifest",
  "label": {
    "eng": [
      "[Concert, 2015, January 09-10] [sound recording]"

eliotjordan

{
	"baseLayer": {
		"tilejson": "2.2.0",
		"name": "base",
		"version": "1.0.0",
		"scheme": "xyz",
		"tiles": [
			"https://a.tile.openstreetmap.org/{z}/{x}/{y}.png"
		]
	},

eliotjordan

{
	"baseLayer": {
		"tilejson": "2.2.0",
		"name": "base",
		"version": "1.0.0",
		"scheme": "xyz",
		"tiles": [
			"https://a.tile.openstreetmap.org/{z}/{x}/{y}.png"
		]
	},

eliotjordan

var degrees2meters = function(lon,lat) {
  var x = lon * 20037508.34 / 180;
  var y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180);
  y = y * 20037508.34 / 180;
  return [x, y]
}
//test
lon= -77.035974
lat = 38.898717