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org.tinfour.gis.utils.VertexWithClassification Maven / Gradle / Ivy
/* --------------------------------------------------------------------
* Copyright 2015 Gary W. Lucas.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ---------------------------------------------------------------------
*/
/*
* -----------------------------------------------------------------------
*
* Revision History:
* Date Name Description
* ------ --------- -------------------------------------------------
* 08/2015 G. Lucas Created
*
* Notes:
*
* -----------------------------------------------------------------------
*/
package org.tinfour.gis.utils;
import org.tinfour.common.Vertex;
/**
* A representation of a vertex with a lidar classification value
* (see LAS Specification 1.4, American Society for Photogrammetry
* and Remote Sensing (ASPRS)).
*/
public class VertexWithClassification extends Vertex {
/**
* Constructs a vertex with the lidar classification value
* extracted from the source file. The ASPRS spec allows for
* classification codes from 0 to 255. It formally defines values
* 0 to 18 (with up to 63 reserved for future use) and leaves the
* rest as user definable. Here are the main ones:
*
* - Created, never classified
* - Unclassified
* - Ground
* - Low vegetation
* - Medium vegetation
* - High vegetation
* - Building
* - Low point (noise)
* - Reserved
* - Water
*
* @param x the X horizontal coordinate for the lidar sample point
* @param y the Y horizontal coordinate for the lidar sample point
* @param z the vertical coordinate for the lidar sample point
* @param index the record number for the lidar sample point
* @param classification the classification value assigned to the
* lidar sample point.
*/
public VertexWithClassification(
double x,
double y,
double z,
int index,
int classification)
{
super(x,y,z, index);
this.reserved0 = (byte)classification;
}
/**
* Gets the classification code indicating the kind of feature
* from which the sample was captured.
* @return an integer value in the range zero to 255, usually
* in the range 0 to 9.
*/
public int getClassification(){
return ((int)reserved0)&0xff;
}
@Override
public String toString(){
return super.toString()+", c="+getClassification();
}
}
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