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Diffstat (limited to 'app/lib/params/nmra-to.c')
-rw-r--r-- | app/lib/params/nmra-to.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/app/lib/params/nmra-to.c b/app/lib/params/nmra-to.c deleted file mode 100644 index 3aae510..0000000 --- a/app/lib/params/nmra-to.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/lib/params/nmra-to.c,v 1.5 2008-06-09 19:34:06 m_fischer Exp $ - */ - -/* XTrkCad - Model Railroad CAD - * Copyright (C) 2005 Dave Bullis - * - * 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 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 <stdio.h> -#include <string.h> -#include <ctype.h> -#include <math.h> -#ifndef WINDOWS -#include <unistd.h> -#else -#define M_PI 3.14159265358979323846 -#define strncasecmp strnicmp -#endif -#include <stdlib.h> - -#define DELIMITER " \t\r\n" -#define BUFSIZE 1024 - -#define SIN(A) sin(D2R(A)) -#define COS(A) cos(D2R(A)) -#define TAN(A) tan(D2R(A)) - -typedef struct { /* a co-ordinate */ - double x; - double y; - } coOrd; - -double normalizeAngle( double angle ) -/* make sure <angle> is >= 0.0 and < 360.0 */ -{ - while (angle<0) angle += 360.0; - while (angle>=360) angle -= 360.0; - return angle; -} - -double D2R( double angle ) -/* convert degrees to radians: for trig functions */ -{ - return angle/180.0 * M_PI; -} - -double R2D( double R ) -/* concert radians to degrees */ -{ - return normalizeAngle( R * 360.0 / (M_PI*2) ); -} - - -double findDistance( coOrd p0, coOrd p1 ) -/* find distance between two points */ -{ - double dx = p1.x-p0.x, dy = p1.y-p0.y; - return sqrt( dx*dx + dy*dy ); -} - -int small(double v ) -/* is <v> close to 0.0 */ -{ - return (fabs(v) < 0.0001); -} - -double findAngle( coOrd p0, coOrd p1 ) -/* find angle between two points */ -{ - double dx = p1.x-p0.x, dy = p1.y-p0.y; - if (small(dx)) { - if (dy >=0) return 0.0; - else return 180.0; - } - if (small(dy)) { - if (dx >=0) return 90.0; - else return 270.0; - } - return R2D(atan2( dx,dy )); -} - - -/* description of a curve */ -typedef struct { - char type; - coOrd pos[2]; - double radius, a0, a1; - coOrd center; - } line_t; - - -void translate( coOrd *res, coOrd orig, double a, double d ) -{ - res->x = orig.x + d * sin( D2R(a) ); - res->y = orig.y + d * cos( D2R(a) ); -} - - -static void computeCurve( coOrd pos0, coOrd pos1, double radius, coOrd * center, double * a0, double * a1 ) -/* translate between curves described by 2 end-points and a radius to - a curve described by a center, radius and angles. -*/ -{ - double d, a, aa, aaa, s; - - d = findDistance( pos0, pos1 )/2.0; - a = findAngle( pos0, pos1 ); - s = fabs(d/radius); - if (s > 1.0) - s = 1.0; - aa = R2D(asin( s )); - if (radius > 0) { - aaa = a + (90.0 - aa); - *a0 = normalizeAngle( aaa + 180.0 ); - translate( center, pos0, aaa, radius ); - } else { - aaa = a - (90.0 - aa); - *a0 = normalizeAngle( aaa + 180.0 - aa *2.0 ); - translate( center, pos0, aaa, -radius ); - } - *a1 = aa*2.0; -} - - -double X( double v ) -{ - if ( -0.000001 < v && v < 0.000001 ) - return 0.0; - else - return v; -} - -double getval( char * arg ) -{ - char *cp; - double a,b,c; - a = strtod( arg, &cp ); - if (*cp == '.') - return atof( arg ); - if (*cp == '\0') - return a; - if (*cp == '/') { - c = strtod( cp+1, &arg ); - return a/c; - } - if (*cp != '-') { - fprintf( stderr, "expected '-': %s\n", arg ); - exit(1); - } - b = strtod( cp+1, &arg ); - if (*arg != '/') { - fprintf( stderr, "expected '/': %s\n", cp ); - exit(1); - } - c = strtod( arg+1, &cp ); - return a + b/c; -} - - -int main ( int argc, char * argv[] ) -/* main: handle options, open files */ -{ - double tg, pr, l, crr, fa, tl, hl, t; - char * scale; - char * desc; - double a10, a11, a20, a21; - coOrd q0, q1, q2, q3, q1c, q2c; - - char *buffer = malloc( BUFSIZE ); - FILE *fIn, *fOut; - - q0.x = q0.y = 0.0; - - if( argc != 3 ) - { - fprintf( stderr, - "Usage: %1 nmraturnoutdata paramfile\n\n" - "The data file is read line by line and turnout defimitions\n" - "are created in the param file.\n\n", - argv[ 0 ] ); - exit( 1 ); - } - - fIn = fopen( argv[ 1 ], "r" ); - if( !fIn ) { - fprintf( stderr, "Could not open the definition %s\n", argv[ 1 ] ); - exit( 1 ); - } - - fOut = fopen( argv[ 2 ], "w" ); - if( !fOut ) { - fprintf( stderr, "Could not create the structures in %s\n", argv[ 2 ] ); - exit( 1 ); - } - - if( fgets( buffer, BUFSIZE, fIn )) - { - printf( "Creating %s\n", buffer + strlen("CONTENTS " ) ); - fputs( buffer, fOut ); - } - while(fgets(buffer, BUFSIZE, fIn )) - { - if( buffer[ 0 ] == '#' ) { - fputs( buffer, fOut ); - continue; - } - - scale = strtok( buffer, DELIMITER ); - desc = strtok( NULL, DELIMITER ); - tg = atof(strtok( NULL, DELIMITER )); - q1.x = getval(strtok( NULL, DELIMITER )); - q1.y = getval(strtok( NULL, DELIMITER )); - pr = getval(strtok( NULL, DELIMITER )); - l = getval(strtok( NULL, DELIMITER )); - crr = getval(strtok( NULL, DELIMITER )); - fa = getval(strtok( NULL, DELIMITER )); - tl = getval(strtok( NULL, DELIMITER )); - hl = getval(strtok( NULL, DELIMITER )); - - t = floor(fa); - fa = t + (fa-t)/60*100; - - q2.x = l-tl; - q2.y = tg-tl*TAN(fa); - q3.x = l+hl; - q3.y = tg+hl*SIN(fa); - computeCurve( q0, q1, -pr, &q1c, &a10, &a11 ); - computeCurve( q1, q2, -crr, &q2c, &a20, &a21 ); - - fprintf( fOut, "#NMRA-Std TO %0.3f %0.3f %0.3f %0.3f %0.3f %0.3f %0.3f %0.3f\n", - q1.x, q1.y, pr, l, crr, fa, tl, hl ); - - fprintf( fOut, "TURNOUT %s \"NMRA %s\t#%s Right\t%sR\"\n", scale, scale, desc, desc); - fprintf( fOut, "\tP \"Normal\" 1\n"); - fprintf( fOut, "\tP \"Reverse\" 2 3 4\n"); - fprintf( fOut, "\tE 0.000000 0.000000 270.000000\n"); - fprintf( fOut, "\tE %0.6f 0.000000 90.000000\n", l+hl); - fprintf( fOut, "\tE %0.6f %0.6f %0.6f\n", q3.x, -q3.y, 90.0+fa); - fprintf( fOut, "\tS 0 0 0.000000 0.000000 %0.6f 0.000000\n", l+hl); - fprintf( fOut, "\tC 0 0 %0.6f %0.6f %0.6f %0.6f %0.6f\n", pr, q1c.x, -q1c.y, normalizeAngle(180-a10-a11), a11 ); - fprintf( fOut, "\tC 0 0 %0.6f %0.6f %0.6f %0.6f %0.6f\n", crr, q2c.x, -q2c.y, normalizeAngle(180-a20-a21), a21 ); - fprintf( fOut, "\tS 0 0 %0.6f %0.6f %0.6f %0.6f\n", q2.x, -q2.y, q3.x, -q3.y ); - fprintf( fOut, "\tEND\n"); - - fprintf( fOut, "TURNOUT %s \"NMRA %s\t#%s Left\t%sL\"\n", scale, scale, desc, desc); - fprintf( fOut, "\tP \"Normal\" 1\n"); - fprintf( fOut, "\tP \"Reverse\" 2 3 4\n"); - fprintf( fOut, "\tE 0.000000 0.000000 270.000000\n"); - fprintf( fOut, "\tE %0.6f 0.000000 90.000000\n", l+hl); - fprintf( fOut, "\tE %0.6f %0.6f %0.6f\n", q3.x, q3.y, 90.0-fa); - fprintf( fOut, "\tS 0 0 0.000000 0.000000 %0.6f 0.000000\n", l+hl); - fprintf( fOut, "\tC 0 0 %0.6f %0.6f %0.6f %0.6f %0.6f\n", -pr, q1c.x, q1c.y, a10, a11 ); - fprintf( fOut, "\tC 0 0 %0.6f %0.6f %0.6f %0.6f %0.6f\n", -crr, q2c.x, q2c.y, a20, a21 ); - fprintf( fOut, "\tS 0 0 %0.6f %0.6f %0.6f %0.6f\n", q2.x, q2.y, q3.x, q3.y ); - fprintf( fOut, "\tEND\n"); - } - exit(0); -} |