From aaai97-owner@cc.gatech.edu Tue Jun 17 09:20:08 1997 Return-Path: aaai97-owner@cc.gatech.edu Received: from anvil.gatech.edu (anvil.gatech.edu [130.207.165.41]) by calsun.gtri.gatech.edu (8.6.12/8.6.12) with ESMTP id JAA03071 for <tcollins@calsun.gtri.gatech.edu>; Tue, 17 Jun 1997 09:20:07 -0400 Received: from casbah.gatech.edu (root@casbah.gatech.edu [130.207.165.18]) by anvil.gatech.edu (8.8.5/8.8.5) with ESMTP id JAA01387 for <tc3@prism.gatech.edu>; Tue, 17 Jun 1997 09:07:44 -0400 (EDT) Received: from burdell.cc.gatech.edu (majordomo@burdell.cc.gatech.edu [130.207.3.207]) by casbah.gatech.edu (8.8.5/8.8.5) with ESMTP id JAA26552 for <tom.collins@gtri.gatech.edu>; Tue, 17 Jun 1997 09:07:44 -0400 (EDT) Received: (from majordomo@localhost) by burdell.cc.gatech.edu (8.8.4/8.6.9) id IAA18773 for aaai97-outgoing; Tue, 17 Jun 1997 08:59:10 -0400 (EDT) Received: from jubilee.learning.cs.cmu.edu (JUBILEE.LEARNING.CS.CMU.EDU [128.2.242.210]) by burdell.cc.gatech.edu (8.8.4/8.6.9) with SMTP id IAA18766; Tue, 17 Jun 1997 08:59:04 -0400 (EDT) Received: from [127.0.0.1] by jubilee.learning.cs.cmu.edu id aa18675; 17 Jun 97 8:58 EDT To: Maria Gini <gini@cs.umn.edu> cc: reids+@CS.cmu.edu, arkin@cc.gatech.edu, aaai97@cc.gatech.edu Subject: Re: more questions on "Find Life on Mars" In-reply-to: Your message of Mon, 16 Jun 1997 19:12:35 -0500. <199706170012.TAA12688@octavius.cs.umn.edu> From: Reid Simmons <reids+@CS.cmu.edu> Date: Tue, 17 Jun 1997 08:58:57 -0400 Message-ID: <18673.866552337@jubilee.learning.cs.cmu.edu> Sender: owner-aaai97@cc.gatech.edu Precedence: bulk Status: RO Maria, > > I have a few more questions/suggestions: > > 1. do you have any idea of how tall and big will the rocks be? > our robots are small, and so knowing the height of the rocks > is important to estimate how likely it is that our view will > be obstructed. > > 2, what material will the rocks be made of (cardboard, foam, etc?) > It would help to know how reliably they will be detectable by > sonars. > Ron can answer these questions, as he is arranging for the rocks. However, my understanding is that they will be *real* rocks. I forget the color we decided upon (I think black), and Ron can tell you the size. > 3. how will the forbidden areas be marked? will they be of a > specific color? will the whole area be marked or just its > boundary? > The "forbidden areas" will be marked by placing black material (propably construction paper) over the whole area. > Since specific color schemes have been suggested, here is a sligthly > different proposal: > > * use one color (bright and easy to distinguish) for the forbidden > areas; > * use another color for the squiggle balls; > * use a third color for the dead martians; > * use a geometric pattern (vertical or horizontal stripes of black > and the color used for the object that has to be dropped in) for > the doors of the pen. > Thanks for the suggestions. I'm still debating the color scheme -- but I will probably use only solid colors, if possible -- no stripes or patterns, unless there is compelling reasons otherwise. Reid