Line 20: ee.Image(...).filterBounds is not a function

这个错误提示表明在第20行的代码中，`ee.Image()`对象没有`filterBounds()`方法。可能是因为你正在尝试在一个不支持`filterBounds()`方法的对象上调用它。请仔细检查你的代码并确保你正在正确地使用`ee.Image()`对象。你可以查看一下文档以了解`ee.Image()`对象的详细信息。

相关问题

Line 2: ee.ImageCollection(...).filterDate(...).clip is not a function

This error message suggests that the `clip` function is being called on the result of an `ee.ImageCollection(...).filterDate(...)` operation, but the `clip` function is not a defined function for an `ee.ImageCollection` object.

The `clip` function can only be called on an `ee.Image` object, which is a single image in Earth Engine. To fix this error, you should first select a specific image from the image collection using functions such as `first()` or `mosaic()`, and then call the `clip` function on the selected image.

Here's an example code snippet that shows how to clip a single image from an image collection based on a geometry:

// Load an image collection
var collection = ee.ImageCollection('LANDSAT/LC08/C01/T1_TOA')
    .filterDate('2019-01-01', '2019-12-31')
    .filterBounds(geometry);

// Select a single image from the collection
var image = ee.Image(collection.first());

// Clip the image to the geometry
var clipped = image.clip(geometry);

In this example, we first filter the Landsat 8 image collection to only include images from 2019 within a specific geometry. We then select the first image from the filtered collection using the `first()` function, and finally clip the selected image to the geometry using the `clip()` function.

var bandNames = img.bandNames(); var trainedClassifier = ee.Classifier.libsvm().train({ features: trainingSample, classProperty: label, inputProperties: bandNames });报错Line 37: img.bandNames is not a function

这个错误提示表示img不是一个图像对象，而是一个其他类型的对象，所以不能够调用`.bandNames()`方法。

请确保在这段代码之前，你已经正确地定义并初始化了img变量，而且它是一个图像对象。可以使用`print(img)`语句来检查img的类型和内容。

如果img确实是一个图像对象，但是仍然出现这个错误，可能是因为img对象没有正确加载。可以使用`.getInfo()`方法来强制加载img对象，例如：

var bandNames = ee.Image(img).bandNames();
var trainedClassifier = ee.Classifier.libsvm().train({
  features: trainingSample,
  classProperty: label,
  inputProperties: bandNames
});

这样就可以强制加载img对象并提取其波段名称了。