# Raster Images Improvement [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [What's new](Help%20System/GSTARCAD/2022/What's%20new/(What's%20new).md) In GstarCAD 2022, more formats and larger size raster images are supported, the display of raster images modification is more accurate as well. 183 formats are available to be attached in GstarCAD 2022, greatly improving the compatibility of raster images. ![](光栅图像改进-1.png) You can attach, preview, modify and plot raster images in different formats and sizes, even 1 billion pixels raster image is supported. ![](Large%20raster%20images%20plot.png) The effects of brightness, contrast, fade, and highlight modification are more accurate, the display after modification also becomes better. The display of attached images with transparency is more accurate when the "Background transparency" is set to Yes. ![](Image-%20Background%20transparency%20-%202021-2022.png) You are able to insert an image successfully even if its file extension has been modified, and the image will not have any errors. The information of images like image resolution is inserted more accurate when you are attaching raster images in GstarCAD 2022\.