Re: loading packages
- To: mathgroup at smc.vnet.net
- Subject: [mg42024] Re: loading packages
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 17 Jun 2003 05:42:44 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <bcju24$hp3$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, http://support.wolfram.com/mathematica/packages/loading/functionsnotworking.html Regards Jens seferiad wrote: > > If I need to load a specific package, such as, << Graphics`Graphics3D`, I > find that this only loads/works properly if this statement preceeds the > statement for which it is needed. For example, consider the following three > inputs in sequential order. > > 1: << Graphics`Graphics3D` > > 2: lpts = Table[{t Cos[t], t Sin[t], t}, {t, 0, 4Pi, Pi/20}]; > > 3: ScatterPlot3D[lpts]; > > And the scatter plot is plotted correctly. > > But now consider the following sequence: > > 1: lpts = Table[{t Cos[t], t Sin[t], t}, {t, 0, 4Pi, Pi/20}]; > > 2: ScatterPlot3D[lpts]; Error message is returned because I forgot to load > Graphics first.... > > ScatterPlot3D::"shdw": "Symbol \!\(\"ScatterPlot3D\"\) appears in multiple \ > contexts \!\({\"Graphics`Graphics3D`\", \"Global`\"}\); definitions in \ > context \!\(\"Graphics`Graphics3D`\"\) may shadow or be shadowed by other \ > definitions." > > 3: << Graphics`Graphics3D` > > 4: ScatterPlot3D[lpts]; > > But now it doesn't display the graph. My solution is to quit the Kernal and > start over, making sure that I first input the << Graphics`Graphics3D`. > Does the Kernal have to be killed like this? > > Thanks, Jay