Google earth engine(GEE)绘制生物群落频率直方图 这次的例子主要是展现生物量的频率直方图,代码很简单,要准备一个矢量数据集,此外就是选用ui.Chart.feature.histogram进行色织属性,最后完成.setOptions()图标上的设置。 主要用到的方法: ui.Chart.feature.byProperty(features, xProperties, seriesProperty) Generates a...
Property to be used as the label for each feature on the x-axis. yProperty (String): Property to be plotted on the y-axis. seriesProperty (String): Property used to determine feature groups. Features with the same value of groupProperty will be plotted as a single series on the chart....
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光谱分离是在地球引擎中实现的image.unmix()方法。以下是将 Landsat 5 与预先确定的城市、植被和水端元混合的示例: unmix(endmembers,sumToOne,nonNegative) Unmix each pixel with the given endmembers, by computing the pseudo-inverse and multiplying it through each pixel. Returns an image of doubles with...
我正在尝试使用分类器对 Landsat 图像的土地利用进行分类,但是当我使用“classifier.conflusionMatrix”函数时,出现如下错误:Classifier confusionMatrix: Property 'type' of feature '000000000000000000014_ 0 ' 不见了。 (错误代码:3)。我不知道如何纠正它。我真的需要你的帮助来解决这个问题。对了,我终于记得分享资...
Google Earth Engine(GEE)—— ConfusionMatrix (Error)Property ‘landcover‘ of feature ‘1_1_1_1_1_1_1_1,点的属性,记住这一点就行了。解决方案:样本点属性设置进行修改。
1.3Google earth engine platform Google Earth Engine(GEE), a web-based geospatial cloud application hosted by GCP, revolutionized the way we interact with RS data. Since the launch ofGEEin 2010, it has remained free for academic and research use, along with providing specific quotas for commercia...
代码链接:https://code.earthengine.google.com/77902fdb6895195df65223b2ca4ab112 首先,取得Landsat 8地表反射率数据集(注意是Collection 2)。这里仅取同一个地点上2个月的图像,一共4张,因为取多了处理时间会拉长。4张图像的云量分别为:89.8%,0.05%,21.39%,75.44%。
简介:Google Earth Engine(GEE) ——如何获取指定研究区范围内的单个影像的时间,这里求具体的天数,以landsat9影像为例。 这里我们首先就是要获取指定研究区范围的影像,这里不需要进行镶嵌,因为镶嵌之后影像会失去相应的属性,所以我们这里会使用一个函数,这里我们首先将其影像集合转化为矢量集合,然后通过aggregate_array(...
Posted on Monday, February 27, 2006 at 10:13 AM in Corporate Authorship, GoogleEarth, Hypertextuality, Intellectual Property, Science Fiction | Permalink | Comments (0) Haitian elections "off to a stumbling start"; One would-be voter dead of asphixiation; another dead of a heart attack; Po...