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</o:shapelayout></xml><![endif]--></head><body lang=IT link=blue vlink=purple><div class=WordSection1><p class=Standard><span lang=EN-US>GRASS user,<o:p></o:p></span></p><p class=Standard><span lang=EN-US>I'm having some problem in connecting tables to a map.<o:p></o:p></span></p><p class=Standard><span lang=EN-US>This is the procedure (in order to simplify I used the same table but with different names) :<o:p></o:p></span></p><p class=Standard><span lang=EN-US>g.copy vect=roads,roads1 <o:p></o:p></span></p><p class=Standard><span lang=EN-US>g.copy vect=roads,roads2<o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>The two tables are in the table list.<o:p></o:p></span></p><p class=Standard><span lang=EN-US>db.tables -p<o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>v.db.connect map=roads1 table=roads2 layer=2<o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>The connections seem ok:<o:p></o:p></span></p><p class=Standard><span lang=EN-US>v.db.connect -p map=roads1<o:p></o:p></span></p><p class=Standard><span lang=EN-US>Vector map <roads1@esercizi> is connected by:<o:p></o:p></span></p><p class=Standard><span lang=EN-US>layer <1> table <roads1> in database </home/clerici/GRASSdata/spearfish60/esercizi/dbf/> through driver <dbf> with key <cat><o:p></o:p></span></p><p class=Standard><span lang=EN-US>layer <2> table <roads2> in database </home/clerici/GRASSdata/spearfish60/esercizi/dbf/> through driver <dbf> with key <cat><o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>But:<o:p></o:p></span></p><p class=Standard><span lang=EN-US>d.mon x0<o:p></o:p></span></p><p class=Standard><span lang=EN-US>This displays the map with lines and labels<o:p></o:p></span></p><p class=Standard><span lang=EN-US>d.vect map=roads1 disp=shape,attr attrcol=label layer=1<o:p></o:p></span></p><p class=Standard><span lang=EN-US>This doesn't produce any output<o:p></o:p></span></p><p class=Standard><span lang=EN-US>d.erase<o:p></o:p></span></p><p class=Standard><span lang=EN-US>d.vect map=roads1 disp=shape,attr attrcol=label layer=2 <o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>I tried a check by producing the ASCII file with:<o:p></o:p></span></p><p class=Standard><span lang=EN-US>v.out.ascii in=roads1 form=standard<o:p></o:p></span></p><p class=Standard><span lang=EN-US>but after each sequence of coordinates only layer 1 is reported<o:p></o:p></span></p><p class=Standard><span lang=EN-US>.......<o:p></o:p></span></p><p class=Standard><span lang=EN-US>L 6 1<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 590744.10526028 4926835.64296535<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 590742.5374415 4926835.30309294<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 590624.60065406 4926810.04019906<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 590503.0158192 4926784.15943798<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 590383.85077876 4926762.55284068<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 590253.15645239 4926731.77335036<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 1 4 <o:p></o:p></span></p><p class=Standard><span lang=EN-US>L 2 1<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 591497.07137115 4926772.322352<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 591667.99469283 4926778.18725746<o:p></o:p></span></p><p class=Standard><span lang=EN-US> 1 4 <o:p></o:p></span></p><p class=Standard><span lang=EN-US>...........<o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>Another check with:<o:p></o:p></span></p><p class=Standard><span lang=EN-US>v.extract in=roads1 out=roads_extr layer=2 list=1-3<o:p></o:p></span></p><p class=Standard><span lang=EN-US>produces an empty map.<o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>Did I miss something in the connection command?<o:p></o:p></span></p><p class=Standard><span lang=EN-US><o:p> </o:p></span></p><p class=Standard><span lang=EN-US>Thanks<o:p></o:p></span></p><p class=Standard><span lang=EN-US>Aldo Clerici<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>