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<DIV><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">First, some
nit-picking. I presume you did something first to create a “data_dir.in”
file, right? And there’s a space between xargs and “-n”, correct?
The latter shouldn’t make much difference.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#000000 size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><FONT
color=#000000>Yea, there is a space between xargs and -n, i mistyped in the
email. The data_dir.in file was just a listing of all the tiger data
files, created with "find /homedir/tiger -name "*.shp" >
data_dir.in".</FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Does your tiger-roads
shapefile look OK? Do the filesizes look plausible? Can you view it
in a GIS application (it’s just a regular shapefile)?</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT> </DIV>
<DIV><FONT color=#000000><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><FONT
color=#000000></SPAN></FONT><FONT face=Arial size=2>The file sizes looked
reasonable to me... but I don't really know how big they should be.
I don't have any other GIS applications atm, but I could try to download
something to try to view the shapefile. </FONT></FONT><FONT
color=navy><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></DIV>
<BLOCKQUOTE dir=ltr
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<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As a diagnostic step,
I’d suggest changing TILEINDEX to DATA in your LAYER definition, and the TYPE
to POLYGON. The tile index is a polygon shapefile with a bunch of
rectangles, each describing the bounding box of one input file. Use this
technique to see if the tile index file itself looks reasonable. If it
does, then your problem’s likely to be with your TIGER data – otherwise, the
TILEINDEX file needs fixing.<o:p></o:p></SPAN></FONT></P></DIV></BLOCKQUOTE>
<P class=MsoNormal dir=ltr><FONT color=navy><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> <FONT
color=#000000>I am not entirely sure what you mean here ... how to diagnose the
tile index. I actually thought I had to use TILEINDEX to view a
shapefile created with this method. If I can just use it like
any other shapefile I probably don't even need to tile it... i'm not trying to
do roads for the entire country or anything, though in theory the tiling is
probably better.</FONT></o:p></SPAN></FONT></P>
<P class=MsoNormal dir=ltr><FONT color=navy><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p><FONT
color=#000000></FONT></o:p></SPAN></FONT> </P>
<P class=MsoNormal dir=ltr><FONT color=navy><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p><FONT
color=#000000>W<FONT color=#000000></FONT></o:p></SPAN></FONT><FONT face=Arial
size=2>hen I first added the layer, my map was in a zoomed in state and it
seemed ok... it was when I hit the "recenter" button and it tried to go back to
view the entire area that it blew up. Perhaps tiling isn't so good
for that situation since i'm looking at the whole area anyway...<![if !supportLists]><![endif]></FONT></FONT></P>
<P class=MsoNormal dir=ltr><FONT color=#000000><FONT face=Arial
size=2></FONT></FONT> </P>
<P class=MsoNormal dir=ltr><FONT color=#000000><FONT face=Arial
size=2>-Jeff</FONT></FONT></P>
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