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feat: Create aerial photography extension (#66)
* feat: Create aerial photography extension * fix: required field format * fix: add non-examples * fix: change name from aerial_photo to aerial-photo * fix: change README.md title to Aerial Photography
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| # Aerial Photography Extension Specification | ||
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| **This is a work in progress and has not been reviewed everything is likely to change** | ||
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| - **Title**: Aerial Photography | ||
| - **Identifier**: | ||
| [https://linz.github.io/stac/_STAC_VERSION_/film/aerial-photo.json]() | ||
| - **Field Name Prefix**: aerial-photo | ||
| - **Scope**: Item | ||
| - **Extension Classification**: Work In Progress (Before proposal) | ||
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| ## Item Properties or Asset Fields | ||
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| | Field Name | Type | Description | | ||
| | ---------------------------- | ------- | ------------------------------------------------------------------------------------------------------------- | | ||
| | aerial-photo:run | string | **REQUIRED** A straight line/pass of sequential imagery flown during a specific survey. | | ||
| | aerial-photo:altitude | integer | Altitude in feet at which the plane was flying when the photo was taken. | | ||
| | aerial-photo:scale | integer | Denominator of the distance on the ground relative to the distance on the physical film negative for a photo. | | ||
| | aerial-photo:sequence_number | integer | **REQUIRED** Sequential order of photos taken during a run. | | ||
| | aerial-photo:anomalies | string | Comments about unusual things noticed in the image. | |
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| { | ||
| "stac_version": "1.0.0", | ||
| "stac_extensions": ["https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json"], | ||
| "type": "Feature", | ||
| "id": "72360", | ||
| "geometry": null, | ||
| "properties": { | ||
| "datetime": "1952-04-23T00:00:00.000Z", | ||
| "platform": "Fixed-wing Aircraft", | ||
| "instruments": ["EAGLE IV"], | ||
| "mission": "SURVEY_1", | ||
| "aerial-photo:run": "P1", | ||
| "aerial-photo:altitude": 3325, | ||
| "aerial-photo:scale": 4800, | ||
| "aerial-photo:sequence_number": 14, | ||
| "aerial-photo:anomalies": "Cloud shadow" | ||
| }, | ||
| "links": [], | ||
| "assets": { | ||
| "image/tiff; application=geotiff; profile=cloud-optimized": { | ||
| "href": "./72360.tiff", | ||
| "type": "image/tiff; application=geotiff; profile=cloud-optimized", | ||
| "file:checksum": "1220b7deb18ad9dc6f3f94df60c26dd235a019946b8b6b7d1a36f100a8f9f1889130" | ||
| } | ||
| } | ||
| } |
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| { | ||
| "stac_version": "1.0.0", | ||
| "stac_extensions": ["https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json"], | ||
| "description": "This is a non-conformant STAC example using the aerial photography extension. It is missing the mandatory aerial-photo:run property.", | ||
| "type": "Feature", | ||
| "id": "72360", | ||
| "geometry": null, | ||
| "properties": { | ||
| "datetime": "1952-04-23T00:00:00.000Z", | ||
| "platform": "Fixed-wing Aircraft", | ||
| "instruments": ["EAGLE IV"], | ||
| "mission": "SURVEY_1", | ||
| "aerial-photo:altitude": 3325, | ||
| "aerial-photo:scale": 4800, | ||
| "aerial-photo:sequence_number": 14, | ||
| "aerial-photo:anomalies": "Cloud shadow" | ||
| }, | ||
| "links": [], | ||
| "assets": { | ||
| "image/tiff; application=geotiff; profile=cloud-optimized": { | ||
| "href": "./72360.tiff", | ||
| "type": "image/tiff; application=geotiff; profile=cloud-optimized", | ||
| "file:checksum": "1220b7deb18ad9dc6f3f94df60c26dd235a019946b8b6b7d1a36f100a8f9f1889130" | ||
| } | ||
| } | ||
| } |
26 changes: 26 additions & 0 deletions
26
extensions/aerial-photo/non-examples/no_sequence_number.json
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| { | ||
| "stac_version": "1.0.0", | ||
| "stac_extensions": ["https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json"], | ||
| "description": "This is a non-conformant STAC example using the aerial photography extension. It is missing the mandatory aerial-photo:sequence_number property.", | ||
| "type": "Feature", | ||
| "id": "72360", | ||
| "geometry": null, | ||
| "properties": { | ||
| "datetime": "1952-04-23T00:00:00.000Z", | ||
| "platform": "Fixed-wing Aircraft", | ||
| "instruments": ["EAGLE IV"], | ||
| "mission": "SURVEY_1", | ||
| "aerial-photo:run": "P1", | ||
| "aerial-photo:altitude": 3325, | ||
| "aerial-photo:scale": 4800, | ||
| "aerial-photo:anomalies": "Cloud shadow" | ||
| }, | ||
| "links": [], | ||
| "assets": { | ||
| "image/tiff; application=geotiff; profile=cloud-optimized": { | ||
| "href": "./72360.tiff", | ||
| "type": "image/tiff; application=geotiff; profile=cloud-optimized", | ||
| "file:checksum": "1220b7deb18ad9dc6f3f94df60c26dd235a019946b8b6b7d1a36f100a8f9f1889130" | ||
| } | ||
| } | ||
| } |
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| { | ||
| "stac_version": "1.0.0", | ||
| "stac_extensions": ["https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json"], | ||
| "description": "This is a non-conformant STAC example using the aerial photography extension. The aerial-photo:run field is an integer instead of a string.", | ||
| "type": "Feature", | ||
| "id": "72360", | ||
| "geometry": null, | ||
| "properties": { | ||
| "datetime": "1952-04-23T00:00:00.000Z", | ||
| "platform": "Fixed-wing Aircraft", | ||
| "instruments": ["EAGLE IV"], | ||
| "mission": "SURVEY_1", | ||
| "aerial-photo:run": 248, | ||
| "aerial-photo:altitude": 3325, | ||
| "aerial-photo:scale": 4800, | ||
| "aerial-photo:sequence_number": 14, | ||
| "aerial-photo:anomalies": "Cloud shadow" | ||
| }, | ||
| "links": [], | ||
| "assets": { | ||
| "image/tiff; application=geotiff; profile=cloud-optimized": { | ||
| "href": "./72360.tiff", | ||
| "type": "image/tiff; application=geotiff; profile=cloud-optimized", | ||
| "file:checksum": "1220b7deb18ad9dc6f3f94df60c26dd235a019946b8b6b7d1a36f100a8f9f1889130" | ||
| } | ||
| } | ||
| } |
27 changes: 27 additions & 0 deletions
27
extensions/aerial-photo/non-examples/sequence_number_string.json
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,27 @@ | ||
| { | ||
| "stac_version": "1.0.0", | ||
| "stac_extensions": ["https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json"], | ||
| "description": "This is a non-conformant STAC example using the aerial photography extension. The aerial-photo:sequence_number field is a string instead of an integer.", | ||
| "type": "Feature", | ||
| "id": "72360", | ||
| "geometry": null, | ||
| "properties": { | ||
| "datetime": "1952-04-23T00:00:00.000Z", | ||
| "platform": "Fixed-wing Aircraft", | ||
| "instruments": ["EAGLE IV"], | ||
| "mission": "SURVEY_1", | ||
| "aerial-photo:run": "P1", | ||
| "aerial-photo:altitude": 3325, | ||
| "aerial-photo:scale": 4800, | ||
| "aerial-photo:sequence_number": "incorrect string", | ||
| "aerial-photo:anomalies": "Cloud shadow" | ||
| }, | ||
| "links": [], | ||
| "assets": { | ||
| "image/tiff; application=geotiff; profile=cloud-optimized": { | ||
| "href": "./72360.tiff", | ||
| "type": "image/tiff; application=geotiff; profile=cloud-optimized", | ||
| "file:checksum": "1220b7deb18ad9dc6f3f94df60c26dd235a019946b8b6b7d1a36f100a8f9f1889130" | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| { | ||
| "$schema": "http://json-schema.org/draft-07/schema#", | ||
| "$id": "https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json", | ||
| "title": "Aerial Photography Extension", | ||
| "description": "STAC Aerial Photography Extension for STAC Items.", | ||
| "allOf": [ | ||
| { | ||
| "type": "object", | ||
| "required": ["type", "properties", "assets"], | ||
| "properties": { | ||
| "type": { | ||
| "const": "Feature" | ||
| }, | ||
| "properties": { | ||
| "allOf": [ | ||
| { | ||
| "required": ["aerial-photo:run", "aerial-photo:sequence_number"] | ||
| }, | ||
| { | ||
| "$ref": "#/definitions/fields" | ||
| } | ||
| ] | ||
| }, | ||
| "assets": { | ||
| "type": "object", | ||
| "additionalProperties": { | ||
| "$ref": "#/definitions/fields" | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "$ref": "#/definitions/stac_extensions" | ||
| } | ||
| ], | ||
| "definitions": { | ||
| "stac_extensions": { | ||
| "type": "object", | ||
| "required": ["stac_extensions"], | ||
| "properties": { | ||
| "stac_extensions": { | ||
| "type": "array", | ||
| "contains": { | ||
| "const": "https://linz.github.io/stac/_STAC_VERSION_/aerial-photo/schema.json" | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| "fields": { | ||
| "type": "object", | ||
| "properties": { | ||
| "aerial-photo:run": { | ||
| "title": "Straight line/pass of sequential imagery", | ||
| "type": "string" | ||
| }, | ||
| "aerial-photo:altitude": { | ||
| "title": "Altitude in feet", | ||
| "type": "integer" | ||
| }, | ||
| "aerial-photo:scale": { | ||
| "title": "Scale denominator", | ||
| "type": "integer" | ||
| }, | ||
| "aerial-photo:sequence_number": { | ||
| "title": "Sequential order", | ||
| "type": "integer" | ||
| }, | ||
| "aerial-photo:anomalies": { | ||
| "title": "Image anomalies", | ||
| "type": "string" | ||
| } | ||
| }, | ||
| "patternProperties": { | ||
| "^(?!aerial-photo:)": {} | ||
| }, | ||
| "additionalProperties": false | ||
| } | ||
| } | ||
| } |
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