#1475: v.overlay error (column names) under Windows
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Reporter: lutra | Owner: grass-dev@…
Type: defect | Status: new
Priority: normal | Milestone: 6.4.3
Component: Vector | Version: svn-trunk
Keywords: | Platform: MSWindows 7
Cpu: Unspecified |
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Attached two vectors that when used with v.overlay are causing the
following error under Windows (GRASS 6.4.2RC)
{{{
v.overlay ainput=pero@filipe atype=area alayer=1 binput=priori@filipe
btype=area blayer=1 output=over1 operator=or
Copying vector objects from vector map ...
Collecting input attributes...
Copying vector objects from vector map ...
DBMI-DBF driver: column name 'b_Habitat_1' truncated to 'b_Habitat_'
DBMI-DBF driver: column name 'b_Habitat_12' truncated to 'b_Habitat_'
Collecting input attributes...
DBMI-DBF driver error:
Unable to create table: 'create table over1 (cat integer , a_cat integer,
a_id integer, b_cat integer, b_Habitat double precision, b_Habitat_1
double precision, b_Habitat_12 double precision, b_Habitat_13 double
precision, b_Habitat_14 double precision, b_Habitat_15 double precision,
b_Habitat_16 double precision, b_Habitat_17 double precision, b_Habitat_18
double precision, b_Habitats varchar(254), b_Area_ha double precision )'
Finished with error
}}}
The problem seems to be the column names in one of the two vectors, that
after adding the "a_" prefix and the truncating due to DBF limitations.
The error causes the creation of an unclean vector
{{{
Cannot open vector over2 in mapset filipe on level 2 (topology not
available, try to rebuild topology using v.build module).
}}}
then g.remove does not have any effect when trying delete it.
Under Linux the operation do not causes the above error, but the resulting
vector misses the "offending" columns.
I guess the latter is the correct behavior in these cases so GRASS under
Windows should behave the same as under Linux.
--
Ticket URL: <http://trac.osgeo.org/grass/ticket/1475>
GRASS GIS <http://grass.osgeo.org>
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