| 1 |
greg |
2.1 |
#ifndef lint
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static const char RCSid[] = "$Id$";
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#endif
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/*
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* Interpolate BSDF data from radial basis functions in advection mesh.
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*
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* G. Ward
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*/
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#define _USE_MATH_DEFINES
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "bsdfrep.h"
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/* migration edges drawn in raster fashion */
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MIGRATION *mig_grid[GRIDRES][GRIDRES];
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#ifdef DEBUG
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#include "random.h"
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#include "bmpfile.h"
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/* Hash pointer to byte value (must return 0 for NULL) */
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static int
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byte_hash(const void *p)
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{
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size_t h = (size_t)p;
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h ^= (size_t)p >> 8;
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h ^= (size_t)p >> 16;
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h ^= (size_t)p >> 24;
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return(h & 0xff);
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}
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/* Write out BMP image showing edges */
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static void
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write_edge_image(const char *fname)
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{
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BMPHeader *hdr = BMPmappedHeader(GRIDRES, GRIDRES, 0, 256);
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BMPWriter *wtr;
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int i, j;
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fprintf(stderr, "Writing incident mesh drawing to '%s'\n", fname);
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hdr->compr = BI_RLE8;
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for (i = 256; --i; ) { /* assign random color map */
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hdr->palette[i].r = random() & 0xff;
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hdr->palette[i].g = random() & 0xff;
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hdr->palette[i].b = random() & 0xff;
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/* reject dark colors */
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i += (hdr->palette[i].r + hdr->palette[i].g +
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hdr->palette[i].b < 128);
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}
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hdr->palette[0].r = hdr->palette[0].g = hdr->palette[0].b = 0;
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/* open output */
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wtr = BMPopenOutputFile(fname, hdr);
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if (wtr == NULL) {
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free(hdr);
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return;
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}
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for (i = 0; i < GRIDRES; i++) { /* write scanlines */
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for (j = 0; j < GRIDRES; j++)
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wtr->scanline[j] = byte_hash(mig_grid[i][j]);
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if (BMPwriteScanline(wtr) != BIR_OK)
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break;
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}
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BMPcloseOutput(wtr); /* close & clean up */
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}
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#endif
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/* Draw edge list into mig_grid array */
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void
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draw_edges(void)
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{
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int nnull = 0, ntot = 0;
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MIGRATION *ej;
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int p0[2], p1[2];
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memset(mig_grid, 0, sizeof(mig_grid));
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for (ej = mig_list; ej != NULL; ej = ej->next) {
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++ntot;
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pos_from_vec(p0, ej->rbfv[0]->invec);
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pos_from_vec(p1, ej->rbfv[1]->invec);
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if ((p0[0] == p1[0]) & (p0[1] == p1[1])) {
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++nnull;
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mig_grid[p0[0]][p0[1]] = ej;
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continue;
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}
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if (abs(p1[0]-p0[0]) > abs(p1[1]-p0[1])) {
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const int xstep = 2*(p1[0] > p0[0]) - 1;
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const double ystep = (double)((p1[1]-p0[1])*xstep) /
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(double)(p1[0]-p0[0]);
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int x;
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double y;
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for (x = p0[0], y = p0[1]+.5; x != p1[0];
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x += xstep, y += ystep)
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mig_grid[x][(int)y] = ej;
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mig_grid[x][(int)y] = ej;
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} else {
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const int ystep = 2*(p1[1] > p0[1]) - 1;
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const double xstep = (double)((p1[0]-p0[0])*ystep) /
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(double)(p1[1]-p0[1]);
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int y;
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double x;
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for (y = p0[1], x = p0[0]+.5; y != p1[1];
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y += ystep, x += xstep)
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mig_grid[(int)x][y] = ej;
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mig_grid[(int)x][y] = ej;
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}
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}
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if (nnull)
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fprintf(stderr, "Warning: %d of %d edges are null\n",
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nnull, ntot);
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#ifdef DEBUG
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write_edge_image("bsdf_edges.bmp");
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#endif
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}
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/* Identify enclosing triangle for this position (flood fill raster check) */
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static int
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identify_tri(MIGRATION *miga[3], unsigned char vmap[GRIDRES][(GRIDRES+7)/8],
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int px, int py)
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{
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const int btest = 1<<(py&07);
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| 122 |
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if (vmap[px][py>>3] & btest) /* already visited here? */
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return(1);
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/* else mark it */
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vmap[px][py>>3] |= btest;
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| 127 |
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if (mig_grid[px][py] != NULL) { /* are we on an edge? */
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int i;
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for (i = 0; i < 3; i++) {
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if (miga[i] == mig_grid[px][py])
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return(1);
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if (miga[i] != NULL)
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continue;
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miga[i] = mig_grid[px][py];
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return(1);
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}
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return(0); /* outside triangle! */
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}
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| 139 |
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/* check neighbors (flood) */
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if (px > 0 && !identify_tri(miga, vmap, px-1, py))
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return(0);
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if (px < GRIDRES-1 && !identify_tri(miga, vmap, px+1, py))
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return(0);
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if (py > 0 && !identify_tri(miga, vmap, px, py-1))
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| 145 |
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return(0);
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if (py < GRIDRES-1 && !identify_tri(miga, vmap, px, py+1))
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| 147 |
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return(0);
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return(1); /* this neighborhood done */
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}
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| 151 |
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/* Insert vertex in ordered list */
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static void
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insert_vert(RBFNODE **vlist, RBFNODE *v)
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{
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int i, j;
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for (i = 0; vlist[i] != NULL; i++) {
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if (v == vlist[i])
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return;
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if (v->ord < vlist[i]->ord)
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break;
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}
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for (j = i; vlist[j] != NULL; j++)
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;
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while (j > i) {
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vlist[j] = vlist[j-1];
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--j;
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| 168 |
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}
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vlist[i] = v;
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}
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| 171 |
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| 172 |
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/* Sort triangle edges in standard order */
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| 173 |
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static int
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order_triangle(MIGRATION *miga[3])
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| 175 |
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{
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| 176 |
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RBFNODE *vert[7];
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| 177 |
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MIGRATION *ord[3];
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| 178 |
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int i;
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| 179 |
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/* order vertices, first */
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| 180 |
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memset(vert, 0, sizeof(vert));
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| 181 |
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for (i = 3; i--; ) {
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| 182 |
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if (miga[i] == NULL)
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| 183 |
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return(0);
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| 184 |
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insert_vert(vert, miga[i]->rbfv[0]);
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| 185 |
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insert_vert(vert, miga[i]->rbfv[1]);
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| 186 |
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}
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| 187 |
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/* should be just 3 vertices */
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| 188 |
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if ((vert[3] == NULL) | (vert[4] != NULL))
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| 189 |
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return(0);
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| 190 |
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/* identify edge 0 */
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| 191 |
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for (i = 3; i--; )
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| 192 |
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if (miga[i]->rbfv[0] == vert[0] &&
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| 193 |
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miga[i]->rbfv[1] == vert[1]) {
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| 194 |
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ord[0] = miga[i];
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| 195 |
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break;
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| 196 |
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}
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| 197 |
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if (i < 0)
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| 198 |
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return(0);
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| 199 |
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/* identify edge 1 */
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| 200 |
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for (i = 3; i--; )
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| 201 |
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if (miga[i]->rbfv[0] == vert[1] &&
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| 202 |
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miga[i]->rbfv[1] == vert[2]) {
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| 203 |
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ord[1] = miga[i];
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| 204 |
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break;
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| 205 |
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}
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| 206 |
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if (i < 0)
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| 207 |
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return(0);
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| 208 |
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/* identify edge 2 */
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| 209 |
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for (i = 3; i--; )
|
| 210 |
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if (miga[i]->rbfv[0] == vert[0] &&
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| 211 |
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miga[i]->rbfv[1] == vert[2]) {
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| 212 |
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ord[2] = miga[i];
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| 213 |
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break;
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| 214 |
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}
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| 215 |
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if (i < 0)
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| 216 |
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return(0);
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| 217 |
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/* reassign order */
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| 218 |
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miga[0] = ord[0]; miga[1] = ord[1]; miga[2] = ord[2];
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| 219 |
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return(1);
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| 220 |
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}
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| 221 |
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| 222 |
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/* Find edge(s) for interpolating the given vector, applying symmetry */
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| 223 |
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int
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| 224 |
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get_interp(MIGRATION *miga[3], FVECT invec)
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| 225 |
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{
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| 226 |
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miga[0] = miga[1] = miga[2] = NULL;
|
| 227 |
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if (single_plane_incident) { /* isotropic BSDF? */
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| 228 |
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RBFNODE *rbf; /* find edge we're on */
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| 229 |
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for (rbf = dsf_list; rbf != NULL; rbf = rbf->next) {
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| 230 |
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if (input_orient*rbf->invec[2] < input_orient*invec[2])
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| 231 |
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break;
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| 232 |
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if (rbf->next != NULL &&
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| 233 |
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input_orient*rbf->next->invec[2] <
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| 234 |
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input_orient*invec[2]) {
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| 235 |
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for (miga[0] = rbf->ejl; miga[0] != NULL;
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| 236 |
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miga[0] = nextedge(rbf,miga[0]))
|
| 237 |
|
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if (opp_rbf(rbf,miga[0]) == rbf->next)
|
| 238 |
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return(0);
|
| 239 |
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break;
|
| 240 |
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}
|
| 241 |
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}
|
| 242 |
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return(-1); /* outside range! */
|
| 243 |
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}
|
| 244 |
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{ /* else use triangle mesh */
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| 245 |
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const int sym = use_symmetry(invec);
|
| 246 |
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unsigned char floodmap[GRIDRES][(GRIDRES+7)/8];
|
| 247 |
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int pstart[2];
|
| 248 |
|
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RBFNODE *vother;
|
| 249 |
|
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MIGRATION *ej;
|
| 250 |
|
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int i;
|
| 251 |
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|
| 252 |
|
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pos_from_vec(pstart, invec);
|
| 253 |
|
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memset(floodmap, 0, sizeof(floodmap));
|
| 254 |
|
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/* call flooding function */
|
| 255 |
|
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if (!identify_tri(miga, floodmap, pstart[0], pstart[1]))
|
| 256 |
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return(-1); /* outside mesh */
|
| 257 |
|
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if ((miga[0] == NULL) | (miga[2] == NULL))
|
| 258 |
|
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return(-1); /* should never happen */
|
| 259 |
|
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if (miga[1] == NULL)
|
| 260 |
|
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return(sym); /* on edge */
|
| 261 |
|
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/* verify triangle */
|
| 262 |
|
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if (!order_triangle(miga)) {
|
| 263 |
|
|
#ifdef DEBUG
|
| 264 |
|
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fputs("Munged triangle in get_interp()\n", stderr);
|
| 265 |
|
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#endif
|
| 266 |
|
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vother = NULL; /* find triangle from edge */
|
| 267 |
|
|
for (i = 3; i--; ) {
|
| 268 |
|
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RBFNODE *tpair[2];
|
| 269 |
|
|
if (get_triangles(tpair, miga[i]) &&
|
| 270 |
|
|
(vother = tpair[ is_rev_tri(
|
| 271 |
|
|
miga[i]->rbfv[0]->invec,
|
| 272 |
|
|
miga[i]->rbfv[1]->invec,
|
| 273 |
|
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invec) ]) != NULL)
|
| 274 |
|
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break;
|
| 275 |
|
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}
|
| 276 |
|
|
if (vother == NULL) { /* couldn't find 3rd vertex */
|
| 277 |
|
|
#ifdef DEBUG
|
| 278 |
|
|
fputs("No triangle in get_interp()\n", stderr);
|
| 279 |
|
|
#endif
|
| 280 |
|
|
return(-1);
|
| 281 |
|
|
}
|
| 282 |
|
|
/* reassign other two edges */
|
| 283 |
|
|
for (ej = vother->ejl; ej != NULL;
|
| 284 |
|
|
ej = nextedge(vother,ej)) {
|
| 285 |
|
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RBFNODE *vorig = opp_rbf(vother,ej);
|
| 286 |
|
|
if (vorig == miga[i]->rbfv[0])
|
| 287 |
|
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miga[(i+1)%3] = ej;
|
| 288 |
|
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else if (vorig == miga[i]->rbfv[1])
|
| 289 |
|
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miga[(i+2)%3] = ej;
|
| 290 |
|
|
}
|
| 291 |
|
|
if (!order_triangle(miga)) {
|
| 292 |
|
|
#ifdef DEBUG
|
| 293 |
|
|
fputs("Bad triangle in get_interp()\n", stderr);
|
| 294 |
|
|
#endif
|
| 295 |
|
|
return(-1);
|
| 296 |
|
|
}
|
| 297 |
|
|
}
|
| 298 |
|
|
return(sym); /* return in standard order */
|
| 299 |
|
|
}
|
| 300 |
|
|
}
|
| 301 |
|
|
|
| 302 |
|
|
/* Advect and allocate new RBF along edge */
|
| 303 |
|
|
static RBFNODE *
|
| 304 |
|
|
e_advect_rbf(const MIGRATION *mig, const FVECT invec)
|
| 305 |
|
|
{
|
| 306 |
|
|
RBFNODE *rbf;
|
| 307 |
|
|
int n, i, j;
|
| 308 |
|
|
double t, full_dist;
|
| 309 |
|
|
/* get relative position */
|
| 310 |
|
|
t = acos(DOT(invec, mig->rbfv[0]->invec));
|
| 311 |
|
|
if (t < M_PI/GRIDRES) { /* near first DSF */
|
| 312 |
|
|
n = sizeof(RBFNODE) + sizeof(RBFVAL)*(mig->rbfv[0]->nrbf-1);
|
| 313 |
|
|
rbf = (RBFNODE *)malloc(n);
|
| 314 |
|
|
if (rbf == NULL)
|
| 315 |
|
|
goto memerr;
|
| 316 |
|
|
memcpy(rbf, mig->rbfv[0], n); /* just duplicate */
|
| 317 |
|
|
return(rbf);
|
| 318 |
|
|
}
|
| 319 |
|
|
full_dist = acos(DOT(mig->rbfv[0]->invec, mig->rbfv[1]->invec));
|
| 320 |
|
|
if (t > full_dist-M_PI/GRIDRES) { /* near second DSF */
|
| 321 |
|
|
n = sizeof(RBFNODE) + sizeof(RBFVAL)*(mig->rbfv[1]->nrbf-1);
|
| 322 |
|
|
rbf = (RBFNODE *)malloc(n);
|
| 323 |
|
|
if (rbf == NULL)
|
| 324 |
|
|
goto memerr;
|
| 325 |
|
|
memcpy(rbf, mig->rbfv[1], n); /* just duplicate */
|
| 326 |
|
|
return(rbf);
|
| 327 |
|
|
}
|
| 328 |
|
|
t /= full_dist;
|
| 329 |
|
|
n = 0; /* count migrating particles */
|
| 330 |
|
|
for (i = 0; i < mtx_nrows(mig); i++)
|
| 331 |
|
|
for (j = 0; j < mtx_ncols(mig); j++)
|
| 332 |
|
|
n += (mig->mtx[mtx_ndx(mig,i,j)] > FTINY);
|
| 333 |
|
|
#ifdef DEBUG
|
| 334 |
|
|
fprintf(stderr, "Input RBFs have %d, %d nodes -> output has %d\n",
|
| 335 |
|
|
mig->rbfv[0]->nrbf, mig->rbfv[1]->nrbf, n);
|
| 336 |
|
|
#endif
|
| 337 |
|
|
rbf = (RBFNODE *)malloc(sizeof(RBFNODE) + sizeof(RBFVAL)*(n-1));
|
| 338 |
|
|
if (rbf == NULL)
|
| 339 |
|
|
goto memerr;
|
| 340 |
|
|
rbf->next = NULL; rbf->ejl = NULL;
|
| 341 |
|
|
VCOPY(rbf->invec, invec);
|
| 342 |
|
|
rbf->nrbf = n;
|
| 343 |
|
|
rbf->vtotal = 1.-t + t*mig->rbfv[1]->vtotal/mig->rbfv[0]->vtotal;
|
| 344 |
|
|
n = 0; /* advect RBF lobes */
|
| 345 |
|
|
for (i = 0; i < mtx_nrows(mig); i++) {
|
| 346 |
|
|
const RBFVAL *rbf0i = &mig->rbfv[0]->rbfa[i];
|
| 347 |
|
|
const float peak0 = rbf0i->peak;
|
| 348 |
|
|
const double rad0 = R2ANG(rbf0i->crad);
|
| 349 |
|
|
FVECT v0;
|
| 350 |
|
|
float mv;
|
| 351 |
|
|
ovec_from_pos(v0, rbf0i->gx, rbf0i->gy);
|
| 352 |
|
|
for (j = 0; j < mtx_ncols(mig); j++)
|
| 353 |
|
|
if ((mv = mig->mtx[mtx_ndx(mig,i,j)]) > FTINY) {
|
| 354 |
|
|
const RBFVAL *rbf1j = &mig->rbfv[1]->rbfa[j];
|
| 355 |
|
|
double rad1 = R2ANG(rbf1j->crad);
|
| 356 |
|
|
FVECT v;
|
| 357 |
|
|
int pos[2];
|
| 358 |
|
|
rbf->rbfa[n].peak = peak0 * mv * rbf->vtotal;
|
| 359 |
|
|
rbf->rbfa[n].crad = ANG2R(sqrt(rad0*rad0*(1.-t) +
|
| 360 |
|
|
rad1*rad1*t));
|
| 361 |
|
|
ovec_from_pos(v, rbf1j->gx, rbf1j->gy);
|
| 362 |
|
|
geodesic(v, v0, v, t, GEOD_REL);
|
| 363 |
|
|
pos_from_vec(pos, v);
|
| 364 |
|
|
rbf->rbfa[n].gx = pos[0];
|
| 365 |
|
|
rbf->rbfa[n].gy = pos[1];
|
| 366 |
|
|
++n;
|
| 367 |
|
|
}
|
| 368 |
|
|
}
|
| 369 |
|
|
rbf->vtotal *= mig->rbfv[0]->vtotal; /* turn ratio into actual */
|
| 370 |
|
|
return(rbf);
|
| 371 |
|
|
memerr:
|
| 372 |
|
|
fprintf(stderr, "%s: Out of memory in e_advect_rbf()\n", progname);
|
| 373 |
|
|
exit(1);
|
| 374 |
|
|
return(NULL); /* pro forma return */
|
| 375 |
|
|
}
|
| 376 |
|
|
|
| 377 |
|
|
/* Partially advect between recorded incident angles and allocate new RBF */
|
| 378 |
|
|
RBFNODE *
|
| 379 |
|
|
advect_rbf(const FVECT invec)
|
| 380 |
|
|
{
|
| 381 |
|
|
FVECT sivec;
|
| 382 |
|
|
MIGRATION *miga[3];
|
| 383 |
|
|
RBFNODE *rbf;
|
| 384 |
|
|
int sym;
|
| 385 |
|
|
float mbfact, mcfact;
|
| 386 |
|
|
int n, i, j, k;
|
| 387 |
|
|
FVECT v0, v1, v2;
|
| 388 |
|
|
double s, t;
|
| 389 |
|
|
|
| 390 |
|
|
VCOPY(sivec, invec); /* find triangle/edge */
|
| 391 |
|
|
sym = get_interp(miga, sivec);
|
| 392 |
|
|
if (sym < 0) /* can't interpolate? */
|
| 393 |
|
|
return(NULL);
|
| 394 |
|
|
if (miga[1] == NULL) { /* advect along edge? */
|
| 395 |
|
|
rbf = e_advect_rbf(miga[0], sivec);
|
| 396 |
|
|
rev_rbf_symmetry(rbf, sym);
|
| 397 |
|
|
return(rbf);
|
| 398 |
|
|
}
|
| 399 |
|
|
#ifdef DEBUG
|
| 400 |
|
|
if (miga[0]->rbfv[0] != miga[2]->rbfv[0] |
|
| 401 |
|
|
miga[0]->rbfv[1] != miga[1]->rbfv[0] |
|
| 402 |
|
|
miga[1]->rbfv[1] != miga[2]->rbfv[1]) {
|
| 403 |
|
|
fprintf(stderr, "%s: Triangle vertex screw-up!\n", progname);
|
| 404 |
|
|
exit(1);
|
| 405 |
|
|
}
|
| 406 |
|
|
#endif
|
| 407 |
|
|
/* figure out position */
|
| 408 |
|
|
fcross(v0, miga[2]->rbfv[0]->invec, miga[2]->rbfv[1]->invec);
|
| 409 |
|
|
normalize(v0);
|
| 410 |
|
|
fcross(v2, miga[1]->rbfv[0]->invec, miga[1]->rbfv[1]->invec);
|
| 411 |
|
|
normalize(v2);
|
| 412 |
|
|
fcross(v1, sivec, miga[1]->rbfv[1]->invec);
|
| 413 |
|
|
normalize(v1);
|
| 414 |
|
|
s = acos(DOT(v0,v1)) / acos(DOT(v0,v2));
|
| 415 |
|
|
geodesic(v1, miga[0]->rbfv[0]->invec, miga[0]->rbfv[1]->invec,
|
| 416 |
|
|
s, GEOD_REL);
|
| 417 |
|
|
t = acos(DOT(v1,sivec)) / acos(DOT(v1,miga[1]->rbfv[1]->invec));
|
| 418 |
|
|
n = 0; /* count migrating particles */
|
| 419 |
|
|
for (i = 0; i < mtx_nrows(miga[0]); i++)
|
| 420 |
|
|
for (j = 0; j < mtx_ncols(miga[0]); j++)
|
| 421 |
|
|
for (k = (miga[0]->mtx[mtx_ndx(miga[0],i,j)] > FTINY) *
|
| 422 |
|
|
mtx_ncols(miga[2]); k--; )
|
| 423 |
|
|
n += (miga[2]->mtx[mtx_ndx(miga[2],i,k)] > FTINY &&
|
| 424 |
|
|
miga[1]->mtx[mtx_ndx(miga[1],j,k)] > FTINY);
|
| 425 |
|
|
#ifdef DEBUG
|
| 426 |
|
|
fprintf(stderr, "Input RBFs have %d, %d, %d nodes -> output has %d\n",
|
| 427 |
|
|
miga[0]->rbfv[0]->nrbf, miga[0]->rbfv[1]->nrbf,
|
| 428 |
|
|
miga[2]->rbfv[1]->nrbf, n);
|
| 429 |
|
|
#endif
|
| 430 |
|
|
rbf = (RBFNODE *)malloc(sizeof(RBFNODE) + sizeof(RBFVAL)*(n-1));
|
| 431 |
|
|
if (rbf == NULL) {
|
| 432 |
|
|
fprintf(stderr, "%s: Out of memory in advect_rbf()\n", progname);
|
| 433 |
|
|
exit(1);
|
| 434 |
|
|
}
|
| 435 |
|
|
rbf->next = NULL; rbf->ejl = NULL;
|
| 436 |
|
|
VCOPY(rbf->invec, sivec);
|
| 437 |
|
|
rbf->nrbf = n;
|
| 438 |
|
|
n = 0; /* compute RBF lobes */
|
| 439 |
|
|
mbfact = s * miga[0]->rbfv[1]->vtotal/miga[0]->rbfv[0]->vtotal *
|
| 440 |
|
|
(1.-t + t*miga[1]->rbfv[1]->vtotal/miga[1]->rbfv[0]->vtotal);
|
| 441 |
|
|
mcfact = (1.-s) *
|
| 442 |
|
|
(1.-t + t*miga[2]->rbfv[1]->vtotal/miga[2]->rbfv[0]->vtotal);
|
| 443 |
|
|
for (i = 0; i < mtx_nrows(miga[0]); i++) {
|
| 444 |
|
|
const RBFVAL *rbf0i = &miga[0]->rbfv[0]->rbfa[i];
|
| 445 |
|
|
const float w0i = rbf0i->peak;
|
| 446 |
|
|
const double rad0i = R2ANG(rbf0i->crad);
|
| 447 |
|
|
ovec_from_pos(v0, rbf0i->gx, rbf0i->gy);
|
| 448 |
|
|
for (j = 0; j < mtx_ncols(miga[0]); j++) {
|
| 449 |
|
|
const float ma = miga[0]->mtx[mtx_ndx(miga[0],i,j)];
|
| 450 |
|
|
const RBFVAL *rbf1j;
|
| 451 |
|
|
double rad1j, srad2;
|
| 452 |
|
|
if (ma <= FTINY)
|
| 453 |
|
|
continue;
|
| 454 |
|
|
rbf1j = &miga[0]->rbfv[1]->rbfa[j];
|
| 455 |
|
|
rad1j = R2ANG(rbf1j->crad);
|
| 456 |
|
|
srad2 = (1.-s)*(1.-t)*rad0i*rad0i + s*(1.-t)*rad1j*rad1j;
|
| 457 |
|
|
ovec_from_pos(v1, rbf1j->gx, rbf1j->gy);
|
| 458 |
|
|
geodesic(v1, v0, v1, s, GEOD_REL);
|
| 459 |
|
|
for (k = 0; k < mtx_ncols(miga[2]); k++) {
|
| 460 |
|
|
float mb = miga[1]->mtx[mtx_ndx(miga[1],j,k)];
|
| 461 |
|
|
float mc = miga[2]->mtx[mtx_ndx(miga[2],i,k)];
|
| 462 |
|
|
const RBFVAL *rbf2k;
|
| 463 |
|
|
double rad2k;
|
| 464 |
|
|
FVECT vout;
|
| 465 |
|
|
int pos[2];
|
| 466 |
|
|
if ((mb <= FTINY) | (mc <= FTINY))
|
| 467 |
|
|
continue;
|
| 468 |
|
|
rbf2k = &miga[2]->rbfv[1]->rbfa[k];
|
| 469 |
|
|
rbf->rbfa[n].peak = w0i * ma * (mb*mbfact + mc*mcfact);
|
| 470 |
|
|
rad2k = R2ANG(rbf2k->crad);
|
| 471 |
|
|
rbf->rbfa[n].crad = ANG2R(sqrt(srad2 + t*rad2k*rad2k));
|
| 472 |
|
|
ovec_from_pos(v2, rbf2k->gx, rbf2k->gy);
|
| 473 |
|
|
geodesic(vout, v1, v2, t, GEOD_REL);
|
| 474 |
|
|
pos_from_vec(pos, vout);
|
| 475 |
|
|
rbf->rbfa[n].gx = pos[0];
|
| 476 |
|
|
rbf->rbfa[n].gy = pos[1];
|
| 477 |
|
|
++n;
|
| 478 |
|
|
}
|
| 479 |
|
|
}
|
| 480 |
|
|
}
|
| 481 |
|
|
rbf->vtotal = miga[0]->rbfv[0]->vtotal * (mbfact + mcfact);
|
| 482 |
|
|
rev_rbf_symmetry(rbf, sym);
|
| 483 |
|
|
return(rbf);
|
| 484 |
|
|
}
|
