german translation update and some function help fixes

Author: jef-n

doc/TRANSLATORS

@@ -2,11 +2,11 @@
 Returns a geometry that represents all points whose distance from this geometry is less than or equal to distance. Calculations are in the Spatial Reference System of this Geometry. 
 
 <h4>Syntax</h4>
-<pre>geomFromWKT(text)</pre>
+<pre>buffer(a, b)</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-float    &rarr; radius of buffer
+a &rarr; geometry
+b &rarr; distance for the buffer
 
 <h4>Example</h4>
 <pre> buffer($geometry, 10.5 ) &rarr; returns a polygon</pre>

i18n/qgis_de.ts

@@ -2,10 +2,10 @@
 Returns the geometric center of a geometry.
 
 <h4>Syntax</h4>
-<pre>centroid(geometry)</pre>
+<pre>centroid(a)</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> centroid($geometry) &rarr; returns a point geometry</pre>

resources/function_help/buffer

@@ -2,11 +2,11 @@
 Returns the convex hull of a geometry. It represents the minimum convex geometry that encloses all geometries within the set.
 
 <h4>Syntax</h4>
-<pre>convexHull( $geometry , $geometry)</pre>
+<pre>convexHull( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+a &rarr; geometry
 
 <h4>Example</h4>
 <pre>  geomToWKT( convexHull( geomFromWKT( 'LINESTRING(3 3 , 4 4 , 4 10)' )) )   &rarr; returns POLYGON((3 3,4 10,4 4,3 3)) </pre>

resources/function_help/centroid

@@ -1,8 +1,8 @@
 <h3>difference function</h3>
-Returns a geometry that represents that part of geometry a that does not intersect with geometry a.
+Returns a geometry that represents that part of geometry a that does not intersect with geometry b.
 
 <h4>Syntax</h4>
-<pre>difference( geometry a , geometry b)</pre>
+<pre>difference( a, b )</pre>
 
 <h4>Arguments</h4>
 geometry &rarr; geometry

resources/function_help/convexHull

@@ -1,12 +1,12 @@
 <h3>disjoint function</h3>
-Returns 1 if the Geometries do not "spatially intersect" - if they do not share any space together. 
+Returns 1 if the geometries do not "spatially intersect" - if they do not share any space together. 
 
 <h4>Syntax</h4>
-<pre>disjoint( $geometry , $geometry)</pre>
+<pre>disjoint( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> disjoint( geomFromWKT( 'POLYGON((0 0 , 0 1 , 1 1 , 1 0 , 0 0 ))' ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' )) &rarr; returns 1</pre>

resources/function_help/difference

@@ -2,11 +2,11 @@
  Returns the minimum distance (based on spatial ref) between two geometries in projected units.
 
 <h4>Syntax</h4>
-<pre>distance( $geometry , $geometry)</pre>
+<pre>distance( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> distance( geomFromWKT( 'POINT(4 4)' ) , geomFromWKT( 'POINT(4 8)' ))    &rarr; returns 4</pre>

resources/function_help/disjoint

@@ -2,11 +2,10 @@
 Returns the Well-Known Text (WKT) representation of the geometry without SRID metadata.
 
 <h4>Syntax</h4>
-<pre>geomToWKT($geometry)</pre>
+<pre>geomToWKT(a)</pre>
 
 <h4>Arguments</h4>
-$geometry &rarr;  geometry of your current feature
+a &rarr; geometry
 
 <h4>Example</h4>
 <pre> geomToWKT( $geometry ) &rarr; POINT(6 50)</pre>
-

resources/function_help/distance

@@ -2,11 +2,11 @@
 Returns 1 if the geometries spatially intersect (share any portion of space) and 0 if they don't.
 
 <h4>Syntax</h4>
-<pre>intersects( $geometry , $geometry)</pre>
+<pre>intersects( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> intersects( geomFromWKT( 'POINT(4 4)' ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' ))    &rarr; returns 1</pre>

resources/function_help/geomToWKT

@@ -1,12 +1,12 @@
 <h3>overlaps function</h3>
-Returns 1 if the Geometries share space, are of the same dimension, but are not completely contained by each other.
+Returns 1 if the geometries share space, are of the same dimension, but are not completely contained by each other.
 
 <h4>Syntax</h4>
-<pre>overlaps( $geometry , $geometry)</pre>
+<pre>overlaps( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> overlaps( geomFromWKT( 'LINESTRING(3 5 , 4 4 , 5 5 , 5 3)'  ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' ))   &rarr; returns 1</pre>

resources/function_help/intersects

@@ -2,11 +2,11 @@
 Returns 1 if the geometries have at least one point in common, but their interiors do not intersect.
 
 <h4>Syntax</h4>
-<pre>touches( $geometry , $geometry)</pre>
+<pre>touches( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> touches( geomFromWKT( 'LINESTRING(5 3 , 4 4)'  ) , geomFromWKT( 'LINESTRING(3 3 , 4 4 , 5 5)' ))    &rarr; returns 1</pre>

resources/function_help/overlaps

@@ -2,11 +2,11 @@
 Returns a geometry that represents the point set union of the geometries.
 
 <h4>Syntax</h4>
-<pre>union( $geometry , $geometry)</pre>
+<pre>union( a, b )</pre>
 
 <h4>Arguments</h4>
-geometry &rarr; geometry
-geometry &rarr; geometry
+a &rarr; geometry
+b &rarr; geometry
 
 <h4>Example</h4>
 <pre> geomToWKT( union( geomFromWKT( 'POINT(4 4)' ) , geomFromWKT( 'POINT(5 5)' ))  )   &rarr; returns MULTIPOINT(4 4, 5 5)</pre>