edu.ohiou.cs456_badabing.sceneapi.basic
Class ModelFile

java.lang.Object
  edu.ohiou.cs456_badabing.sceneapi.basic.ModelFile

public class ModelFile
extends java.lang.Object

Container for data loaded from OBJ and MTL files. It prepares it for use in ModelNode.

Description: Container for data loaded from OBJ and MTL files. It prepares it for use in ModelNode.

Copyright: Lev A Neiman 2008

Company: Ohio University EECS

Field Summary

java.util.Vector<Coordinate>	coordinates vertices in this model.
java.util.Hashtable<java.lang.String,Material>	materials different material properties in this model.
java.util.Hashtable<java.lang.String,java.util.Vector<Triangle>>	mtl_groups Hashtable which associates a material name with a group of triangles.
private java.lang.String	name unique name for this model.
boolean	no_mtl
static java.lang.String	separator system specific file path separator.
java.util.Vector<Coordinate>	texture_coordinates array of texture coordinates.
java.util.Vector<Triangle>	triangles triangles that make up this model.
private double	x_max
private double	x_min
private double	y_max
private double	y_min
private double	z_max
private double	z_min

Constructor Summary

ModelFile(java.lang.String name)

Method Summary

static java.util.Vector<java.lang.String>	expand(java.lang.String string, char delimeter) This method takes string and breaks it into a Vector of strings based on a given delimeter
double	getXMax() greatest value of x in all coordinates.
double	getXMin() least value of x in all coordiantes.
double	getYMax() greatest value of y in all coordinates.
double	getYMin() least value of y in all coordinates.
double	getZMax() greatest value of z in all coordinates.
double	getZMin() least value of z in all all coordinates.
private void	init() function that loads the data files.
private void	readMTL(java.util.Scanner s) this method loads materials from the MTL file.
private void	readOBJ(java.util.Scanner input) method to read OBJ file.
private void	sortMaterials() this method associates Material names to Vector's of triangles that belong to that material group.
static java.lang.String	stripExtension(java.lang.String a) Removes extension from the string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

name

private java.lang.String name

unique name for this model.

separator

public static final java.lang.String separator

system specific file path separator.

coordinates

public java.util.Vector<Coordinate> coordinates

vertices in this model.

triangles

public java.util.Vector<Triangle> triangles

triangles that make up this model.

materials

public java.util.Hashtable<java.lang.String,Material> materials

different material properties in this model.

texture_coordinates

public java.util.Vector<Coordinate> texture_coordinates

array of texture coordinates.

mtl_groups

public java.util.Hashtable<java.lang.String,java.util.Vector<Triangle>> mtl_groups

Hashtable which associates a material name with a group of triangles.

x_max

private double x_max

x_min

private double x_min

y_max

private double y_max

y_min

private double y_min

z_max

private double z_max

z_min

private double z_min

no_mtl

public boolean no_mtl

Constructor Detail

ModelFile

public ModelFile(java.lang.String name)

Parameters:

name - String name of the model to load

Method Detail

getXMax

public double getXMax()

greatest value of x in all coordinates.

Returns:

double

getXMin

public double getXMin()

least value of x in all coordiantes.

Returns:

double

getYMax

public double getYMax()

greatest value of y in all coordinates.

Returns:

double

getYMin

public double getYMin()

least value of y in all coordinates.

Returns:

double

getZMax

public double getZMax()

greatest value of z in all coordinates.

Returns:

double

getZMin

public double getZMin()

least value of z in all all coordinates.

Returns:

double

expand

public static java.util.Vector<java.lang.String> expand(java.lang.String string,
                                                        char delimeter)

This method takes string and breaks it into a Vector of strings based on a given delimeter

Parameters:

string - String

delimiter - char

Returns:

Vector

stripExtension

public static java.lang.String stripExtension(java.lang.String a)

Removes extension from the string.

Parameters:

a - String - input string.

Returns:

String - substring that is from begining of input to the last occurrence of '.'

init

private void init()

function that loads the data files.

sortMaterials

private void sortMaterials()

this method associates Material names to Vector's of triangles that belong to that material group.

readMTL

private void readMTL(java.util.Scanner s)
              throws ModelFile_ReadError

this method loads materials from the MTL file.

Parameters:

s - Scanner

Throws:

ModelFile_ReadError

readOBJ

private void readOBJ(java.util.Scanner input)
              throws ModelFile_ReadError

method to read OBJ file.

Parameters:

input - Scanner

Throws:

ModelFile_ReadError - if any excpetion is caught