Re: Problem with Rasters & Density Plots

*To*: mathgroup at smc.vnet.net*Subject*: [mg21398] Re: Problem with Rasters & Density Plots*From*: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>*Date*: Tue, 4 Jan 2000 02:12:31 -0500 (EST)*Organization*: Universitaet Leipzig*References*: <84plkm$lt8@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, set the Mesh-Option to false. I assume you have images with pixels > 200 x 200 Matheamtica try to draw black mesh lines and the mesh lines erase the density graphics below. Hope that helps Jens KCConnolly at aol.com wrote: > > I'm running Mathematica 3.0, and have just noticed that the Raster, Raster > Array, and Density Plot commands return all black graphics, regardless of the > color directives I use. I would assume that I'm doing something wrong, but > for the fact that the graphics for these topics in my interactive version of > the Mathematica book also turn up all black. All other graphics (contour > graphics, 3D graphics, etc.) work fine: it's just these that are a problem. > > I haven't had occasion to use these features since I upgraded (?) my > operating system from Win 95 to Win 98 a month ago, so I'm not sure if it's > related to that, to Y2K, or some other reason. Any suggestions would be very > much appreciated. > > Kevin Connolly