The module can be used to either reclassify a Point Cloud attribute or to extract a subset of a Point Cloud based on the values of an attribute.
The module provides three different options:
(a) reclassification of (or extraction based on) single values,
(b) reclassification of (or extraction based on) a range of values and
(c) reclassification of (or extraction based on) value ranges specified in a lookup table.
Each of these three options provides it's own parameters. The 'new value' parameters are irrelevant in case a subset is extracted.
In addition to these settings, two special cases ('NoData values' and 'other values' not included in the parameter setup) are supported:
In mode (a) and (b) the 'NoData option' is evaluated before the method settings, in mode (c) the option is evaluated only if the NoData value ins't included in the lookup table.
The 'other values' option is always evaluated after checking the method settings.
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Point Cloud | Point Cloud (input) | INPUT | Point Cloud to reclassify/extract | - |
| Lookup Table (*) | Table (optional input) | RETAB_2 | Lookup table used in method "user supplied table" | - |
| Output | Result | Point Cloud (output) | RESULT | Reclassified or extracted Point Cloud. | - |
| Options | Attribute | Table field | ATTRIB | Attribute to process. | - |
| Mode of operation | Choice | MODE | Choose whether to reclassify a Point Cloud or to extract a subset from a Point Cloud. | Available Choices:
[0] Reclassify
[1] Extract Subset
Default: 0 |
| Create new Attribute | Boolean | CREATE_ATTRIB | Check this to create a new attribute with the reclassification result. If unchecked, the existing attribute is updated. | Default: 0 |
| Method | Choice | METHOD | Select the desired method: 1. a single value or a range defined by a single value is reclassified, 2. a range of values is reclassified, 3. the lookup table is used to reclassify the grid. | Available Choices:
[0] single
[1] range
[2] simple table
[3] user supplied table
Default: 0 |
| old value | Floating point | OLD | Value to reclassify. | Default: 0.000000 |
| new value | Floating point | NEW | New value. | Default: 1.000000 |
| operator | Choice | SOPERATOR | Select the desired operator (<;.;=; >;.); it is possible to define a range above or below the old value. | Available Choices:
[0] =
[1] <
[2] <=
[3] >=
[4] >
Default: 0 |
| minimum value | Floating point | MIN | Minimum value of the range to be reclassified. | Default: 0.000000 |
| maximum value | Floating point | MAX | Maximum value of the range to be reclassified. | Default: 10.000000 |
| new value | Floating point | RNEW | new value | Default: 5.000000 |
| operator | Choice | ROPERATOR | Select operator: eg. min < value < max. | Available Choices:
[0] <=
[1] <
Default: 0 |
| Lookup Table | Static table | RETAB | Lookup table used in method "table" | 3 Fields:
- 1. [8 byte floating point number] minimum
- 2. [8 byte floating point number] maximum
- 3. [8 byte floating point number] new
|
| operator | Choice | TOPERATOR | Select the desired operator (min < value < max; min . value < max; min .value . max; min < value . max). | Available Choices:
[0] min <= value < max
[1] min <= value <= max
[2] min < value <= max
[3] min < value < max
Default: 0 |
| minimum value | Table field | F_MIN | - | - |
| maximum value | Table field | F_MAX | - | - |
| new value | Table field | F_CODE | - | - |
| no data values | Boolean | NODATAOPT | Use this option to reclassify No-Data values independently of the method settings. | Default: 0 |
| new value | Floating point | NODATA | new value | Default: 0.000000 |
| other values | Boolean | OTHEROPT | Use this option to reclassify all other values that are not specified in the options above. | Default: 0 |
| new value | Floating point | OTHERS | new value | Default: 0.000000 |
| (*) optional |