2022年9月20日 · A DM4 file is a raster image created by Gatan DigitalMicrograph, a transmission electron microscopy (TEM) analysis application. It includes a TEM image and metadata. The DM4 format is an update to the .DM3 format.

The dm4 module can be invoked as a script to print a dm4 file's full directory to the command line. This is helpful when determining the exact structure of a specific DM4 file: python -m dm4 your_dm4_file.dm4

2013年9月20日 · Electron microscope images and image stacks are stored in a proprietary fromat by Digital Micrograph (Gatan Inc.). This function reads version 3 and also the new 64-bit version 4 files. This replaces the ReadDM3 function in my previous post #27021, "Imagic, MRC and DM3 file …

DM软件，顾名思义当然能打开后缀名为. dm3 （或. dm4）的文件。 一般的图片格式DM都能打开，下面是DM能保存的文件类型（同样也是能打开这些文件）： 一个DM文件包含的信息很多，基本包含样品在拍摄电镜时的所有信息。 甚至可以查看拍摄时电镜的 倾转角度 （仅限来自于 本单位提供 的原始DM文件）。 示例如下： 2. 标尺校准、截图、旋转、标注. 使用DM软件，很多时候都需要将图片进一步处理，才能到达实际想要的结果。 有些操作是必不可少的，比如想要测量图 …

2022年7月21日 · Python script to convert DigitalMicrograph images into Numpy arrays and back. It provides the capability to read .dm3 and .dm4 files, treating them as Numpy arrays and leveraging various Python libraries. Additionally, the script allows for writing the processed data back into the .dm3 or .dm4 format.

We'll explain what exactly a .dm4 file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .dm4 files into different formats, we'll give you some tips on how to do that too.

2025年2月27日 · The dm4 module can be invoked as a script to print a dm4 file’s full directory to the command line. This is helpful when determining the exact structure of a specific DM4 file: python -m dm4 your_dm4_file.dm4

关于图片上伪色，右击图片，选择Image Display中的color，可以更改涂色模式和色阶。 左侧工具栏中的亮度、对比度和gama值可以调整图片的显示效果。 图6 标尺添加与FFT变化过程示意

The DM4 file belongs to the Graphic category and works with Gatan DigitalMicrograph, being used as a Gatan DigitalMicrograph 4 Image. DigitalMicrograph is a powerful image analysis program produced by Gatan that allows some programming capability.

Below is a short example of reading the image data from a dm4 file. A more complete example can be found in the tests.: