Created
June 19, 2016 15:29
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<?xml version="1.0" encoding="UTF-8"?> | |
<!DOCTYPE task SYSTEM "grass-interface.dtd"> | |
<task name="v.buffer"> | |
<description> | |
Creates a buffer around vector features of given type. | |
</description> | |
<keywords> | |
vector, buffer, area, circle, geometry, line, grow, shrink | |
</keywords> | |
<parameter name="input" type="string" required="yes" multiple="no"> | |
<label> | |
Name of input vector map | |
</label> | |
<description> | |
Or data source for direct OGR access | |
</description> | |
<keydesc> | |
<item order="1">name</item> | |
</keydesc> | |
<gisprompt age="old" element="vector" prompt="vector" /> | |
</parameter> | |
<parameter name="layer" type="string" required="no" multiple="no"> | |
<label> | |
Layer number or name ('-1' for all layers) | |
</label> | |
<description> | |
A single vector map can be connected to multiple database tables. This number determines which table to use. When used with direct OGR access this is the layer name. | |
</description> | |
<gisprompt age="old" element="layer_all" prompt="layer" /> | |
<default> | |
-1 | |
</default> | |
<guisection> | |
Selection | |
</guisection> | |
</parameter> | |
<parameter name="cats" type="string" required="no" multiple="no"> | |
<label> | |
Category values | |
</label> | |
<description> | |
Example: 1,3,7-9,13 | |
</description> | |
<keydesc> | |
<item order="1">range</item> | |
</keydesc> | |
<guisection> | |
Selection | |
</guisection> | |
</parameter> | |
<parameter name="where" type="string" required="no" multiple="no"> | |
<label> | |
WHERE conditions of SQL statement without 'where' keyword | |
</label> | |
<description> | |
Example: income < 1000 and inhab >= 10000 | |
</description> | |
<keydesc> | |
<item order="1">sql_query</item> | |
</keydesc> | |
<guisection> | |
Selection | |
</guisection> | |
</parameter> | |
<parameter name="type" type="string" required="no" multiple="yes"> | |
<description> | |
Input feature type | |
</description> | |
<default> | |
point,line,area | |
</default> | |
<values> | |
<value> | |
<name>point</name> | |
</value> | |
<value> | |
<name>line</name> | |
</value> | |
<value> | |
<name>boundary</name> | |
</value> | |
<value> | |
<name>centroid</name> | |
</value> | |
<value> | |
<name>area</name> | |
</value> | |
</values> | |
<guisection> | |
Selection | |
</guisection> | |
</parameter> | |
<parameter name="output" type="string" required="yes" multiple="no"> | |
<description> | |
Name for output vector map | |
</description> | |
<keydesc> | |
<item order="1">name</item> | |
</keydesc> | |
<gisprompt age="new" element="vector" prompt="vector" /> | |
</parameter> | |
<parameter name="distance" type="float" required="no" multiple="no"> | |
<description> | |
Buffer distance along major axis in map units | |
</description> | |
<guisection> | |
Distance | |
</guisection> | |
</parameter> | |
<parameter name="minordistance" type="float" required="no" multiple="no"> | |
<description> | |
Buffer distance along minor axis in map units | |
</description> | |
<guisection> | |
Distance | |
</guisection> | |
</parameter> | |
<parameter name="angle" type="float" required="no" multiple="no"> | |
<description> | |
Angle of major axis in degrees | |
</description> | |
<default> | |
0 | |
</default> | |
<guisection> | |
Distance | |
</guisection> | |
</parameter> | |
<parameter name="column" type="string" required="no" multiple="no"> | |
<description> | |
Name of column to use for buffer distances | |
</description> | |
<keydesc> | |
<item order="1">name</item> | |
</keydesc> | |
<gisprompt age="old" element="dbcolumn" prompt="dbcolumn" /> | |
<guisection> | |
Distance | |
</guisection> | |
</parameter> | |
<parameter name="scale" type="float" required="no" multiple="no"> | |
<description> | |
Scaling factor for attribute column values | |
</description> | |
<default> | |
1.0 | |
</default> | |
<guisection> | |
Distance | |
</guisection> | |
</parameter> | |
<parameter name="tolerance" type="float" required="no" multiple="no"> | |
<description> | |
Maximum distance between theoretical arc and polygon segments as multiple of buffer | |
</description> | |
<default> | |
0.01 | |
</default> | |
<guisection> | |
Distance | |
</guisection> | |
</parameter> | |
<flag name="s"> | |
<description> | |
Make outside corners straight | |
</description> | |
</flag> | |
<flag name="c"> | |
<description> | |
Do not make caps at the ends of polylines | |
</description> | |
</flag> | |
<flag name="t"> | |
<description> | |
Transfer categories and attributes | |
</description> | |
<guisection> | |
Attributes | |
</guisection> | |
</flag> | |
<flag name="overwrite"> | |
<description> | |
Allow output files to overwrite existing files | |
</description> | |
</flag> | |
<flag name="help"> | |
<description> | |
Print usage summary | |
</description> | |
</flag> | |
<flag name="verbose"> | |
<description> | |
Verbose module output | |
</description> | |
</flag> | |
<flag name="quiet"> | |
<description> | |
Quiet module output | |
</description> | |
</flag> | |
</task> |
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