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|
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** Antenna Visualization Toolkit **/
/** **/
/** Copyright (C) 1998 Adrian Agogino, Ken Harker **/
/** Copyright (C) 2005 Joop Stakenborg **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <assert.h>
#include <stddef.h>
#include <math.h>
#include <stdlib.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "MyTypes.h"
#include "TkAntenna.h"
#include "togl.h"
#include "ant.h"
#include "pcard.h"
#include "VisWires.h"
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** Global Variables **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** Function Prototypes **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void TKA_Cylinder(GLfloat radius, GLfloat height, GLint slices, GLint rings);
void TKA_Cube(GLfloat size);
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** ComputeColor **/
/** **/
/** Computes a color in a three color range - red green blue **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void ComputeColor(double val, double min, double max, GLfloat *color) {
GLfloat cval; /** Range **/
if(min != max)
cval = (val - min) / (max - min);
else
cval = 0.5;
color[0] = 0.0;
color[1] = 0.0;
color[2] = 0.0;
color[3] = 1.0;
if(cval > 0.5) {
color[0] = (cval - 0.5)*2;
color[1] = (1.0 - cval)*2;
} else {
color[1] = (cval)*2;
color[2] = (0.5 - cval)*2;
} /** Left or Right handedness **/
} /** End of ComputeColor **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** GetBoomLength **/
/** **/
/** This function computes the probable length of the boom by determining **/
/** the max and min coordinates in X. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
double GetBoomLength(Tube *tube) {
double max=0; /** Max x **/
double min=0; /** Min x **/
bool first; /** Is first elements? **/
first = true;
while(tube != NULL) {
if (first == true) {
if (tube->e1.x > tube->e2.x)
max = tube->e1.x;
else
max = tube->e2.x;
if (tube->e1.x < tube->e2.x)
min = tube->e2.x;
else
min = tube->e1.x;
first = false;
} else {
if (tube->e1.x > max)
max = tube->e1.x;
if (tube->e2.x > max)
max = tube->e2.x;
if (tube->e1.x < min)
min = tube->e1.x;
if (tube->e2.x < min)
min = tube->e2.x;
} /** Not first element **/
tube = tube->next;
} /** Traverse tube list **/
return (max - min);
} /** End of GetBoomLength **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** GetBoomHeight **/
/** **/
/** This computes the probable height above ground of the boom. It finds **/
/** a median Z value for all GW control points. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
double GetBoomHeight(Tube *tube) {
double median; /** Our best guess so far **/
double max=0; /** Max x **/
double min=0; /** Min x **/
bool first; /** Is first elements? **/
first = true;
while(tube != NULL) {
if (first == true) {
if (tube->e1.z > tube->e2.z)
max = tube->e1.z;
else
max = tube->e2.z;
if (tube->e1.z < tube->e2.z)
min = tube->e2.z;
else
min = tube->e1.z;
first = false;
} else {
if (tube->e1.z > max)
max = tube->e1.z;
if (tube->e2.z > max)
max = tube->e2.z;
if (tube->e1.z < min)
min = tube->e1.z;
if (tube->e2.z < min)
min = tube->e2.z;
} /** Not first element **/
tube = tube->next;
} /** Traverse tube list **/
median = ((max + min) / 2.0);
return median;
} /** End of GetBoomHeight **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** GetVerticalHeight **/
/** **/
/** This computes the probable height above ground for elevated verticals. **/
/** It finds a min Z value for all GW control points. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
double GetVerticalHeight(Tube *tube) {
double min=0; /** Min x **/
bool first; /** Is first elements? **/
first = true;
while(tube != NULL) {
if (first == true) {
if (tube->e1.z < tube->e2.z)
min = tube->e2.z;
else
min = tube->e1.z;
first = false;
} else {
if (tube->e1.z < min)
min = tube->e1.z;
if (tube->e2.z < min)
min = tube->e2.z;
} /** Not first element **/
tube = tube->next;
} /** Traverse tube list **/
return min;
} /** End of GetVerticalHeigth **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** GetBoomWidth **/
/** **/
/** This computes the probable diameter of the boom by finding the median **/
/** diameter of the GW elements involved and multiplying that by a **/
/** constant factor. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
double GetBoomWidth(Tube *tube) {
double sum; /** Sum of widths **/
double mean; /** mean of widths **/
int count; /** Number of elements **/
count = 0;
sum = 0.0;
while(tube != NULL) {
sum = sum + tube->width;
count = count + 1;
tube = tube->next;
} /** Traverse tube list **/
mean = sum / count;
return mean;
} /** End of GetBoomWidth **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** GetBoomShift **/
/** **/
/** This computes the maximum negative or minimum positive X value of the **/
/** antenna and is used in helping to center the antenna visually on the **/
/** screen. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
double GetBoomShift(Tube *tube) {
double min=0; /** Min x **/
bool first; /** Is first elements? **/
first = true;
while(tube != NULL) {
if (first == true) {
if (tube->e1.x < tube->e2.x)
min = tube->e1.x;
else
min = tube->e1.x;
first = false;
} else {
if (tube->e1.x < min)
min = tube->e1.x;
if (tube->e2.x < min)
min = tube->e2.x;
} /** Not first element **/
tube = tube->next;
} /** Traverse tube list **/
return min;
} /** End of GetBoomShift **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** DrawTubeList **/
/** **/
/** Traverses the linked list of antenna elements and draws each one on **/
/** the screen. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void DrawTubeList(Tube *root, Tube *current_tube, GLint s, GLint r) {
GLfloat red_color[] = {0.8, 0.1, 0.1, 1.0}; /** Rouge **/
GLfloat gray_color[] = {0.8, 0.9, 0.9, 0.9}; /** Gris **/
if(root != NULL) {
glPushMatrix();
if(current_tube == root)
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red_color);
else
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, gray_color);
glRotatef(180,1.0,0.0,0.0);
glRotatef(90.0, 1.0, 0.0, 0.0);
DrawTube(root, s, r);
glPopMatrix();
DrawTubeList(root->next, current_tube, s, r);
} /** While not at end **/
} /** End of DrawTubeList **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** DrawTube **/
/** **/
/** Renders an individual antenna element on the screen. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void DrawTube(Tube *the_tube, GLint s, GLint r) {
double length; /** Length of the element **/
double angle1; /** Angle **/
double angle2; /** Angle **/
double dx; /** Delta in X direction **/
double dy; /** Delta in Y direction **/
double dz; /** Delta in Z direction **/
double p1x; /** Point 1 in X **/
double p1y; /** Point 1 in Y **/
double p1z; /** Point 1 in Z **/
double p2x; /** Point 2 in X **/
double p2y; /** Point 2 in Y **/
double p2z; /** Point 2 in Z **/
p1x = the_tube->e1.x;
p1y = the_tube->e1.y;
p1z = the_tube->e1.z;
if (p1x != 0.0) p1x = p1x / SCALE_FACTOR;
if (p1y != 0.0) p1y = p1y / SCALE_FACTOR;
if (p1z != 0.0) p1z = p1z / SCALE_FACTOR;
p2x = the_tube->e2.x;
p2y = the_tube->e2.y;
p2z = the_tube->e2.z;
if (p2x != 0.0) p2x = p2x / SCALE_FACTOR;
if (p2y != 0.0) p2y = p2y / SCALE_FACTOR;
if (p2z != 0.0) p2z = p2z / SCALE_FACTOR;
dx = p2x - p1x;
dy = p2y - p1y;
dz = p2z - p1z;
if(the_tube->type == IS_TUBE) {
length = PointDist(the_tube->e1, the_tube->e2);
length = length / SCALE_FACTOR;
angle1 = 3.14149/2 - atan2(dz, dx);
angle2 = atan2(dy, -sin(-angle1)*dx + cos(-angle1)*dz);
glTranslatef(p1x, p1y, p1z);
glRotatef(angle1*57.3, 0.0 , 1.0, 0.0 );
glRotatef(angle2*57.3, -1.0 , 0.0, 0.0 );
TKA_Cylinder(the_tube->width*TUBE_WIDTH_SCALE, length, s, r);
} else { /** Walls **/
glTranslatef(p1x, p1y, p1z);
glScalef(dx, dy, dz);
glTranslatef(0.5, 0.5, 0.5);
TKA_Cube(1.0);
} /** Not a tube **/
} /** End of DrawTube **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** DrawWireCurrentMagnitudeList **/
/** **/
/** Traverses the linked list of antenna elements and draws each one on **/
/** the screen, visualized the current density of the wire. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void DrawWireCurrentMagnitudeList(Tube *root,
Tube *current_tube,
double max_current_mag,
double min_current_mag,
GLint s,
GLint r) {
GLfloat red_color[] = {0.8, 0.1, 0.1, 1.0}; /** Rouge **/
GLfloat gray_color[] = {0.8, 0.9, 0.9, 0.9}; /** Gris **/
if(root != NULL) {
glPushMatrix();
if(current_tube == root)
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red_color);
else
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, gray_color);
glRotatef(180,1.0,0.0,0.0);
glRotatef(90.0, 1.0, 0.0, 0.0);
DrawWireCurrentMagnitude(root, max_current_mag, min_current_mag, s, r);
glPopMatrix();
DrawWireCurrentMagnitudeList(root->next,
current_tube,
max_current_mag,
min_current_mag,
s,
r);
} /** While not at end **/
} /** End of DrawWireCurrentMagnitudeList **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** DrawWireCurrentMagnitude **/
/** **/
/** Renders an individual antenna element on the screen, color coded for **/
/** charge density. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void DrawWireCurrentMagnitude(Tube *the_tube,
double max_current_mag,
double min_current_mag,
GLint s,
GLint r) {
double length; /** Length of the element **/
double seg_length; /** Each segment length **/
double angle1; /** Angle **/
double angle2; /** Angle **/
double dx; /** Delta in X direction **/
double dy; /** Delta in Y direction **/
double dz; /** Delta in Z direction **/
double p1x; /** Point 1 in X **/
double p1y; /** Point 1 in Y **/
double p1z; /** Point 1 in Z **/
double p2x; /** Point 2 in X **/
double p2y; /** Point 2 in Y **/
double p2z; /** Point 2 in Z **/
GLfloat wire_color[4]; /** Wire color **/
SegmentData *segptr; /** Segment data **/
int i; /** Loop counter **/
p1x = the_tube->e1.x;
p1y = the_tube->e1.y;
p1z = the_tube->e1.z;
if (p1x != 0.0) p1x = p1x / SCALE_FACTOR;
if (p1y != 0.0) p1y = p1y / SCALE_FACTOR;
if (p1z != 0.0) p1z = p1z / SCALE_FACTOR;
p2x = the_tube->e2.x;
p2y = the_tube->e2.y;
p2z = the_tube->e2.z;
if (p2x != 0.0) p2x = p2x / SCALE_FACTOR;
if (p2y != 0.0) p2y = p2y / SCALE_FACTOR;
if (p2z != 0.0) p2z = p2z / SCALE_FACTOR;
dx = p2x - p1x;
dy = p2y - p1y;
dz = p2z - p1z;
if(the_tube->type == IS_TUBE) {
length = PointDist(the_tube->e1, the_tube->e2);
length = length / SCALE_FACTOR;
seg_length = length / the_tube->segments;
angle1 = 3.14149/2 - atan2(dz, dx);
angle2 = atan2(dy, -sin(-angle1)*dx + cos(-angle1)*dz);
glTranslatef(p1x, p1y, p1z);
glRotatef(angle1*57.3, 0.0 , 1.0, 0.0 );
glRotatef(angle2*57.3, -1.0 , 0.0, 0.0 );
segptr = the_tube->currents;
if (segptr == NULL) {
fprintf(stderr,"Fatal Current Magnitude\n");
exit(3);
} /** Current magnitude not available **/
for (i=0;i<the_tube->segments;i++) {
ComputeColor(segptr->currentMagnitude,
min_current_mag,
max_current_mag,
wire_color);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, wire_color);
TKA_Cylinder(the_tube->width*TUBE_WIDTH_SCALE, seg_length, s, r);
glTranslatef(0.0,0.0,seg_length);
segptr = segptr->next;
} /** For each segment **/
} else { /** Draw wall **/
glTranslatef(p1x, p1y, p1z);
glScalef(dx, dy, dz);
glTranslatef(0.5, 0.5, 0.5);
TKA_Cube(1.0);
} /** Not a tube **/
} /** End of DrawWireCurrentMagnitude **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** DrawWireCurrentPhaseList **/
/** **/
/** Traverses the linked list of antenna elements and draws each one on **/
/** the screen, visualized the current phase of the wire. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void DrawWireCurrentPhaseList(Tube *root,
Tube *current_tube,
double max_current_phase,
double min_current_phase,
GLint s,
GLint r) {
GLfloat red_color[] = {0.8, 0.1, 0.1, 1.0}; /** Rouge **/
GLfloat gray_color[] = {0.8, 0.9, 0.9, 0.9}; /** Gris **/
if(root != NULL) {
glPushMatrix();
if(current_tube == root)
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red_color);
else
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, gray_color);
glRotatef(180,1.0,0.0,0.0);
glRotatef(90.0, 1.0, 0.0, 0.0);
DrawWireCurrentPhase(root, max_current_phase, min_current_phase, s, r);
glPopMatrix();
DrawWireCurrentPhaseList(root->next,
current_tube,
max_current_phase,
min_current_phase,
s,
r);
} /** While not at end **/
} /** End of DrawWireCurrentPhaseList **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** DrawWireCurrentPhase **/
/** **/
/** Renders an individual antenna element on the screen, color coded for **/
/** charge phase. **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
void DrawWireCurrentPhase(Tube *the_tube,
double max_current_phase,
double min_current_phase,
GLint s,
GLint r) {
double length; /** Length of the element **/
double seg_length; /** Each segment length **/
double angle1; /** Angle **/
double angle2; /** Angle **/
double dx; /** Delta in X direction **/
double dy; /** Delta in Y direction **/
double dz; /** Delta in Z direction **/
double p1x; /** Point 1 in X **/
double p1y; /** Point 1 in Y **/
double p1z; /** Point 1 in Z **/
double p2x; /** Point 2 in X **/
double p2y; /** Point 2 in Y **/
double p2z; /** Point 2 in Z **/
GLfloat wire_color[4]; /** Wire color **/
SegmentData *segptr; /** Segment data **/
int i; /** Loop counter **/
p1x = the_tube->e1.x;
p1y = the_tube->e1.y;
p1z = the_tube->e1.z;
if (p1x != 0.0) p1x = p1x / SCALE_FACTOR;
if (p1y != 0.0) p1y = p1y / SCALE_FACTOR;
if (p1z != 0.0) p1z = p1z / SCALE_FACTOR;
p2x = the_tube->e2.x;
p2y = the_tube->e2.y;
p2z = the_tube->e2.z;
if (p2x != 0.0) p2x = p2x / SCALE_FACTOR;
if (p2y != 0.0) p2y = p2y / SCALE_FACTOR;
if (p2z != 0.0) p2z = p2z / SCALE_FACTOR;
dx = p2x - p1x;
dy = p2y - p1y;
dz = p2z - p1z;
if(the_tube->type == IS_TUBE) {
length = PointDist(the_tube->e1, the_tube->e2);
length = length / SCALE_FACTOR;
seg_length = length / the_tube->segments;
angle1 = 3.14149/2 - atan2(dz, dx);
angle2 = atan2(dy, -sin(-angle1)*dx + cos(-angle1)*dz);
glTranslatef(p1x, p1y, p1z);
glRotatef(angle1*57.3, 0.0 , 1.0, 0.0 );
glRotatef(angle2*57.3, -1.0 , 0.0, 0.0 );
segptr = the_tube->currents;
if (segptr == NULL) {
fprintf(stderr,"Fatal Current Magnitude\n");
exit(3);
} /** Current magnitude not available **/
for (i=0;i<the_tube->segments;i++) {
ComputeColor(segptr->currentPhase,
min_current_phase,
max_current_phase,
wire_color);
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, wire_color);
TKA_Cylinder(the_tube->width*TUBE_WIDTH_SCALE, seg_length, s, r);
glTranslatef(0.0,0.0,seg_length);
segptr = segptr->next;
} /** For each segment **/
} else { /** Draw wall **/
glTranslatef(p1x, p1y, p1z);
glScalef(dx, dy, dz);
glTranslatef(0.5, 0.5, 0.5);
TKA_Cube(1.0);
} /** Not a tube **/
} /** End of DrawWireCurrentPhase **/
/*****************************************************************************/
/*****************************************************************************/
/** **/
/** End of VisWires.c **/
/** **/
/*****************************************************************************/
/*****************************************************************************/
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