|
@@ -4,21 +4,21 @@
|
|
|
3-dimensional point data (e.g. temperature, rainfall data from climatic
|
|
|
stations, concentrations from drill holes etc.) given in a 3-D vector
|
|
|
point file named <b>input</b>. The size of the output
|
|
|
-3D raster map <b>elev</b> is given by the current 3D region. Sometimes, the
|
|
|
+3D raster map <b>elevation</b> is given by the current 3D region. Sometimes, the
|
|
|
user
|
|
|
may want to get a 2-D map showing a modelled phenomenon at a
|
|
|
-crossection surface. In that case, <b>cellinp</b> and <b>cellout</b>
|
|
|
-options must be specified, with the output 2D raster map <b>cellout</b>
|
|
|
+crossection surface. In that case, <b>cross_input</b> and <b>cross_output</b>
|
|
|
+options must be specified, with the output 2D raster map <b>cross_output</b>
|
|
|
containing the crossection of the interpolated volume with a surface
|
|
|
-defined by <b>cellinp</b>
|
|
|
+defined by <b>cross_input</b>
|
|
|
2D raster map. As an option, simultaneously with interpolation,
|
|
|
geometric parameters of the interpolated
|
|
|
phenomenon can be computed (magnitude of gradient, direction of
|
|
|
gradient defined by horizontal and vertical angles), change of gradient,
|
|
|
Gauss-Kronecker curvature, or mean curvature). These geometric
|
|
|
parameteres are saved as
|
|
|
-3D raster maps <b>gradient, aspect1, aspect2, ncurv, gcurv, mcurv</b>,
|
|
|
-respectively. Maps <b>aspect1</b> and <b>aspect2</b> are in degrees.
|
|
|
+3D raster maps <b>gradient, aspect_horizontal, aspect_vertical, ncurvature, gcurvature, mcurvature</b>,
|
|
|
+respectively. Maps <b>aspect_horizontal</b> and <b>aspect_vertical</b> are in degrees.
|
|
|
|
|
|
<p>At first, data points are checked for identical positions and points
|
|
|
that are closer to each other than given <b>dmin</b> are removed.
|
|
@@ -43,7 +43,7 @@ is possible to define a global smoothing parameter, <b>smooth</b>.
|
|
|
With the
|
|
|
smoothing parameter set to zero (<b>smooth=0</b>) the resulting volume
|
|
|
passes exactly through the data points.
|
|
|
-When smoothing is used, it is possible to output a vector map <b>devi</b>
|
|
|
+When smoothing is used, it is possible to output a vector map <b>deviations</b>
|
|
|
containing deviations of the resulting volume from the given data.
|
|
|
<p>The user can define a 2D raster map named <b>maskmap</b>, which will
|
|
|
be used as a mask. The interpolation is skipped for 3-dimensional cells
|
|
@@ -127,9 +127,9 @@ interpolation from point data (as described in Mitasova and Mitas,
|
|
|
on Oct-trees which enhances the efficiency for large data sets.
|
|
|
|
|
|
<p>Geometric parameters - magnitude of gradient (<b>gradient</b>),
|
|
|
-horizontal (<b>aspect1</b>) and vertical (<b>aspect2) </b>aspects,
|
|
|
-change of gradient (<b>ncurv</b>), Gauss-Kronecker (<b>gcurv</b>) and
|
|
|
-mean curvatures (<b>mcurv</b>) are computed directly from the
|
|
|
+horizontal (<b>aspect_horizontal</b>) and vertical (<b>aspect_vertical)</b>aspects,
|
|
|
+change of gradient (<b>ncurvature</b>), Gauss-Kronecker (<b>gcurvature</b>) and
|
|
|
+mean curvatures (<b>mcurvature</b>) are computed directly from the
|
|
|
interpolation function so that the important relationships between
|
|
|
these parameters are preserved. More information on these parameters
|
|
|
can be found in Mitasova et al., 1995 or Thorpe, 1979.
|
|
@@ -223,7 +223,7 @@ paraview --data=volume.vtk
|
|
|
</pre></div>
|
|
|
|
|
|
<h2>BUGS</h2>
|
|
|
-<b>devi</b> file is written as 2D and deviations are not written as attributes.
|
|
|
+<b>deviations</b> file is written as 2D and deviations are not written as attributes.
|
|
|
|
|
|
<h2>REFERENCES</h2>
|
|
|
<p>Hofierka J., Parajka J., Mitasova H., Mitas L., 2002, Multivariate
|