#冲刺创作新星#GEE——ALOS/AVNIR-2 ORI高分辨率10m数据集 原创

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发布于 2022-10-9 09:48
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ALOS/AVNIR-2 ORI

这个数据集包含来自先进的可见光和近红外辐射计2型(AVNIR-2)传感器上的先进陆地观测(ALOS)“大池”的正射校正图像。AVNIR-2 ORI 产品是根据 ALOS 的全色立体测绘遥感仪器(PRISM)衍生的 DSM AW3D30进行立体匹配后,从 AVNIR-21B1数据创建的。正交校正过程使用了 AW3d30数据和 SRTM (航天飞机雷达地形测绘任务)数据。

Dataset Availability

2006-04-26T00:00:00 - 2011-04-18T00:00:00

Dataset Provider

​JAXA Earth Observation Research Center​

Collection Snippet

​ee.ImageCollection("JAXA/ALOS/AVNIR-2/ORI")​

​波段信息:​


Resolution

10 meters

Bands Table

Name

Description

Min*

Max*

B1

Blue (0.42 - 0.50 μm)

1

255

B2

Green (0.52 - 0.60 μm)

1

255

B3

Red (0.61 - 0.69 μm)

1

255

B4

Near-Infrared (0.76 - 0.89 μm)

1

255

* = Values are estimated

影像属性:

Name

Type

Description

CENTER_ALTITUDE

Double

Satellite alitutude at scene center (km)

CENTER_FRAME_NUMBER

Double

Frame number of scene center (0000 to 7198)

CENTER_HEADING_ANGLE

Double

Satellite heading angle including Earth rotation at scene center (radians)

CENTER_SKEW_ANGLE

Double

Image skew angle at scene center (milli-radians)

CENTER_SOLAR_AZIMUTH

Double

Azimuth angle of the sun at scene center (°)

CENTER_SOLAR_ZENITH

Double

Solar elevation (zenith) angle of the sun at scene center (°)

CENTER_START_TIME

String

Scene center time (UTC).

INCIDENT_ANGLE

String

Incident angle "SNN.NNN" (S: Incident direction R/L, NN.NNN degrees)

ORBIT_DIRECTION

String

Orbit direction ("A"/"D": ascending/descending)

ORBIT_INCLINATION

Double

Nominal satellite orbit inclination (°)

ORBIT_CYCLE_PERIOD

Double

Nominal satellite orbit cycle period (min)

ORIENTATION_ANGLE

Double

Angle of the vertical axis of image frame from the map northing axis.

PROCESSING_DATE

String

Processing date (JST)

PROCESSING_FACILITY

String

Processing facility.

PROCESSING_SOFTWARE_VESRION

String

Processing software version.

PROCESSING_TIME

String

Processing time (JST)

PRODUCT_ID

String

Product ID e.g: "ABBBCCDE" * A: Observation mode ("O") * BBB: Processing level ("ORI") * CC: Framing ("RF" Geo-reference, "GT", Geo-coded True-north "GM", Geo-coded Map-north), * D: Map projection ("U": UTM, "P": PS) * E: Sensor type ("N": nadir 35km, "F": forward 35km "B": backward 35km "W": nadir 70km) * A: AVNIR-2

PRODUCT_NUMBER

Double

Product version number

RSP_ID

String

RSP ID e.g: "MPPPFFFFSN" * M: Oribit direction ("A": ascending, "D": descending) * PPP: RSP path number (0 to 671) * FFFF: RSP frame number (0000 to 7199) * SN: Scene shift ("-2" to " 2")

SATELLITE_NAME

String

Satellite name.

SCENE_ID

String

Scene ID e.g. "AABBBCDDDDDEEEE" * AA: Satellite code ("AL": ALOS) * BBB: Sensor code ("PSM": PRISM, "AV2": AVNIR-2) * C: Sensor type ("N": nadir 35km, "F": forward 35km, "B": backward 35km "W": nadir 70km, "A": AVNIR-2) * DDDDD: Total orbit number of scene center ("00001" to "99999") * EEEE: Frame number of scene center, including scene shift ("0000" to "7199")

SENSOR_CODE

String

Sensor code ("PSM": PRISM, "AV2": AVNIR-2)

SENSOR_TYPE

String

Sensor type ("N": nadir 35km, "F": forward 35km, "B": backward 35km "W": nadir 70km, "A": AVNIR-2)

使用说明:

日本宇宙航空研究开发机构(JAXA)免费发布ALOS正射影像产品(ALOS-ORI)并向公众开放,但有以下条件。

当您使用该数据集向第三方提供或发布任何产品或服务时,恳请您显示原始数据是由JAXA提供。
当您使用该数据集发布您的产品时,请您显示版权(© JAXA)和数据的来源。
JAXA不保证该数据集的质量和可靠性,JAXA对使用该数据集造成的任何直接或间接损害和损失不承担任何责任。同时,JAXA也不对用户因改变、删除或终止本数据集的提供而造成的任何损失负责。

代码:

var dataset = ee.ImageCollection('JAXA/ALOS/AVNIR-2/ORI')
                  .filter(ee.Filter.date('2010-01-01', '2011-01-01'));
var avnir2OriRgb = dataset.select(['B3', 'B2', 'B1']);
var avnir2OriRgbVis = {
  min: 0.0,
  max: 255.0,
};
Map.setCenter(138.7302, 35.3641, 12);
Map.addLayer(avnir2OriRgb, avnir2OriRgbVis, 'AVNIR-2 ORI RGB');


#冲刺创作新星#GEE——ALOS/AVNIR-2 ORI高分辨率10m数据集-鸿蒙开发者社区


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已于2022-10-27 15:42:04修改
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