Note: If you have enabled Automatic PNG Detection (see "Automatic PNG Detection" in Chapter 3 of the PopChart Server User Guide), this request will generate a PNG image on browsers that support PNG. You cannot override this functionality.
You can generate a GIF PopChart image by setting the PopChart Embedder imageType attribute to "GIF". For example, assuming your PopChart Embedder object is named myPopChart, you should use the following command to set the image format to GIF: