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Hi:<br>
I like use R for data mining, organization, manipulation and
mapping of SSURO data of USA. I have already done first two; I need
help for
mapping these data.in R <span style=""></span>It will be
appreciated if someone helps me to solve following three issues: <br>
<br>
<!--[if !supportLists]--><b><span style=""><span style="">1.<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">
</span></span></span>How do I merge several<span style=""> </span>shape
files?</b><!--[endif]--><br>
I like to merge several shape files to
create a single shape file. All files are same structure but different
names
and in different folders. Below I mentioned how all shape files are
organized in
different folder. I want to write a function that I can use to merge
the shape
files.<br>
<o:p> </o:p><br>
<b style="">File
organization:<o:p></o:p></b><br>
…/State_name/soil_ia001/spatial/file_name01.shp<br>
…/State_name/soil_ia003/spatial/file_name03.shp<br>
…/State_name/soil_ia005/spatial/file_name05.shp<br>
.<br>
. …/State_name/soil_ia21/spatial/file_name21.shp<br>
<o:p> </o:p><br>
<b style="">DBF
file associated <span style=""> </span><span style=""> </span>all
shape files look like below: <o:p></o:p></b><br>
<o:p> </o:p><br>
ID<span style=""> </span>AREASYMBOL<span style=""> </span>SPATIALVER<span
style=""> </span>MUSYM<span style=""> </span>MUKEY<br>
1<span style=""> </span>IA001<span style=""> </span>
<span style=""> </span>2<span style=""> </span><span
style=""> </span>822D2<span style=""> </span><span
style=""> </span>402210<br>
2<span style=""> </span>IA001<span style=""> </span><span
style=""> </span>2<span style=""> </span><span
style=""> </span>24C2<span style=""> </span><span
style=""> </span>402161<br>
3<span style=""> </span>IA001<span style=""> </span><span
style=""> </span>2<span style=""> </span><span
style=""> </span>93D2<span style=""> </span><span
style=""> </span>402217<br>
4<span style=""> </span>IA001<span style=""> </span><span
style=""> </span>2<span style=""> </span><span
style=""> </span>W<span style=""> </span><span
style=""> </span>1857266<br>
5<span style=""> </span>IA001<span style=""> </span><span
style=""> </span>2<span style=""> </span><span
style=""> </span>W<span style=""> </span><span
style=""> </span>1857266<br>
6<span style=""> </span>IA001<span style=""> </span><span
style=""> </span>2<span style=""> </span><span
style=""> </span>370C<span style=""> </span><span
style=""> </span>402177<br>
7<span style=""> </span>IA001<span style=""> </span><span
style=""> </span>2<span style=""> </span><span
style=""> </span>570B<span style=""> </span><span
style=""> </span>402190<br>
<span style=""> </span>-------<br>
<o:p> </o:p><b><br>
<span style=""><span style="">2.<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">
</span></span></span>My second question is: I like to join a table
with this above mentioned shape <span style=""> </span><span style=""> </span>using
a
conmen ID like MUKEY. <span style=""> </span>How do I do this?</b><!--[if !supportLists]--><!--[endif]--><br>
<!--[if !supportLists]--><b><span style=""><span style="">3.<span
style="font-family: "Times New Roman"; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">
</span></span></span>My third question is: how do I convert this
shape file to a grid (as a TIFF format or others? ) that I open some
other software?</b><!--[endif]--><br>
<br>
Thanks <br>
Zia<br>
<o:p> </o:p>
<br>
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