Trend, Divide, Float Tools
Trend
How to use Trend Tool in ArcToolbox ArcMap ArcGIS ??
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| Trend Tool |
Trend Tool, Raster Interpolation Toolset, 3D Analyst Toolbox
Trend
Interpolates a raster surface from points using
a trend technique.
1. Input point features
The input point features
containing the z-values to be interpolated into a surface raster.
2. Z value field
The field that holds a
height or magnitude value for each point.
This can be a numeric
field or the Shape field if the input point features contain z-values.
If the regression type
is Logistic, the values in the field can only be 0 or 1.
3. Output raster
The output interpolated
surface raster.
It is always a
floating-point raster.
4. Output cell size (optional)
The cell size of the
output raster that will be created.
This parameter can be
defined by a numeric value or obtained from an existing raster dataset. If the
cell size hasn't been explicitly specified as the parameter value, the
environment cell size value will be used if specified; otherwise, additional
rules will be used to calculate it from the other inputs. See the usage for
more detail.
5. Polynomial order (optional)
The order of the
polynomial.
This must be an integer
between 1 and 12. A value of 1 will fit a flat plane to the points, and a higher
value will fit a more complex surface. The default is 1.
6. Type of regression (optional)
The type of regression
to be performed.
·
LINEAR—Polynomial regression is performed to fit a least-squares
surface to the set of input points. This is applicable for continuous types of
data.
·
LOGISTIC—Logistic trend surface analysis is performed. It
generates a continuous probability surface for binary, or dichotomous, types of
data.
7. Output RMS file (optional)
File name for the output text file that contains
information about the RMS error and the Chi-Square of the interpolation.
The extension must be .txt.
Divide
How to use Divide Tool in ArcToolbox ArcMap ArcGIS ??
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| Divide Tool |
Divide Tool, Raster Math Toolset, 3D Analyst Toolbox
Divide
Divides the values of
two rasters on a cell-by-cell basis.
1. Input raster or constant value 1
The input whose values
will be divided by the second input.
A number can be used as
an input for this parameter, provided a raster is specified for the other
parameter. To be able to specify a number for both inputs, the cell size and
extent must first be set in the environment.
2. Input raster or constant value 2
The input whose values
the first input are to be divided by.
A number can be used as
an input for this parameter, provided a raster is specified for the other
parameter. To be able to specify a number for both inputs, the cell size and
extent must first be set in the environment.
3. Output raster
The output raster.
The cell values are the
quotient of the first input raster (dividend) divided by the second input
(divisor).
Float
How to use Float Tool in ArcToolbox ArcMap ArcGIS ??
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| Float Tool |
Float Tool, Raster Math Toolset, 3D Analyst Toolbox
Float
Converts each cell value
of a raster into a floating-point representation.
1. Input raster or constant value
The input raster to be
converted to floating point.
In order to use a number
as an input for this parameter, the cell size and extent must first be set in
the environment.
2. Output raster
The output raster.
The cell values are the floating-point representation of the input values.
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