Re: very slow Save[]s on Mathematica V7??
- To: mathgroup at smc.vnet.net
- Subject: [mg96317] Re: very slow Save[]s on Mathematica V7??
- From: congruentialuminaire at yahoo.com
- Date: Wed, 11 Feb 2009 05:22:58 -0500 (EST)
- References: <gmp0ot$bvf$1@smc.vnet.net> <gmrlvq$9ij$1@smc.vnet.net>
Thanks Igor. 2 questions: 1. Is this documented anywhere? 2. is there an option to inhibit this "default" behavior? Regards..RogerW On Feb 10, 2:47 am, Igor Antonio <igoranto... at gmail.com> wrote: > > Franklin, > > Support for SHP files was added in V7. In version 6, you're just > importing the list of filenames inside the zip file. With V7, Import > expands the zip file, recognizes the SHP bundle, and Imports the map > contained in the file. > > In[2]:= a = > Import["http://exampledata.wolfram.com/usamap.zip", > ImageSize -> Medium] > > Out[2]= {"railroads.dbf", "railroads.prj", "railroads.shp", \ > "railroads.shx", "states.dbf", "states.prj", "states.shp", \ > "states.shx"} > > In[3]:= $Version > > Out[3]= "6.0 for Mac OS X x86 (64-bit) (May 21, 2008)" > > ========================= == > ================= > > In[5]:= a = > Import["http://exampledata.wolfram.com/usamap.zip", > ImageSize -> Medium]; > > In[6]:= Head@a > > Out[6]= Graphics > > In[7]:= ByteCount@a > > Out[7]= 15319544 > > In[8]:= $Version > > Out[8]= "7.0 for Mac OS X x86 (64-bit) (November 11, 2008)" > > Igor