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@@ -181,6 +181,21 @@ int mapOverlay(char *filename, float **crow, int nrow, int zenith, int MCIR) { |
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// Row where to satellite reaches peak elevation |
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int zenith = 0; |
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int applyPalette(float **crow, int nrow, int width, char *palette){ |
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if(palette == NULL) return 0; |
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for(int y = 0; y < nrow; y++){ |
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for(int x = 0; x < width; x++){ |
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float *px = &crow[y][x * 3]; |
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px[0] = palette[(int)CLIP(px[0], 0, 255)*3 + 0]; |
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px[1] = palette[(int)CLIP(px[1], 0, 255)*3 + 1]; |
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px[2] = palette[(int)CLIP(px[2], 0, 255)*3 + 2]; |
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} |
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} |
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return 1; |
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} |
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static int ImageOut(char *filename, char *chid, float **prow, int nrow, int width, int offset, char *palette, char *effects, char *mapFile) { |
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FILE *pngfile; |
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@@ -226,30 +241,44 @@ static int ImageOut(char *filename, char *chid, float **prow, int nrow, int widt |
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crow[i] = (float *) malloc(sizeof(float) * 2080 * 3); |
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for(int x = 0; x < 2080; x++) |
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crow[i][x*3 + 0] = crow[i][x*3 + 1] = crow[i][x*3 + 2] = prow[i][x]; |
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crow[i][x*3] = crow[i][x*3 + 1] = crow[i][x*3 + 2] = prow[i][x]; |
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} |
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applyPalette(crow, nrow, 2080, palette); |
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if(mapFile != NULL && mapFile[0] != '\0'){ |
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if(mapOverlay(mapFile, crow, nrow, zenith, strcmp(chid, "MCIR") == 0) == 0){ |
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fprintf(stderr, "Skipping MCIR generation; see above.\n"); |
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return 0; |
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} |
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}else if(strcmp(chid, "MCIR")){ |
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}else if(strcmp(chid, "MCIR") == 0){ |
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fprintf(stderr, "Skipping MCIR generation; no map provided.\n"); |
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return 0; |
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} |
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extern void falsecolor(float vis, float temp, float *r, float *g, float *b); |
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printf("Writing %s", filename); |
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int fcimage = strcmp(chid, "False Color") == 0; |
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// Build RGB image |
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for (int n = 0; n < nrow; n++) { |
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png_color pix[width]; |
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for (int i = 0; i < width; i++) { |
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float *px = &crow[n][offset*3 + i*3]; |
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pix[i].red = CLIP(px[0], 0, 255); |
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pix[i].green = CLIP(px[1], 0, 255); |
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pix[i].blue = CLIP(px[2], 0, 255); |
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if(fcimage){ |
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float r = 0, g = 0, b = 0; |
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falsecolor(prow[n][i + CHA_OFFSET], prow[n][i + CHB_OFFSET], &r, &g, &b); |
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pix[i].red = r; |
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pix[i].green = g; |
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pix[i].blue = b; |
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}else{ |
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pix[i].red = px[0]; |
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pix[i].green = px[1]; |
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pix[i].blue = px[2]; |
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} |
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} |
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png_write_row(png_ptr, (png_bytep) pix); |
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@@ -506,9 +535,9 @@ int main(int argc, char **argv) { |
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// Temperature |
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if (CONTAINS(imgopt, 't') && chB >= 4) { |
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// TODO: Doesn't work with channel 4 |
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temperature(prow, nrow, chB, CHB_OFFSET); |
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//temperature(prow, nrow, chB, CHB_OFFSET); |
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sprintf(pngfilename, "%s/%s-t.png", pngdirname, name); |
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ImageOut(pngfilename, "Temperature", prow, nrow, 2080, 0, TempPalette, enhancements, mapFile); |
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ImageOut(pngfilename, "Temperature", prow, nrow, 909, CHB_OFFSET, (char *)TempPalette, enhancements, mapFile); |
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} |
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// False color image |
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@@ -520,7 +549,7 @@ int main(int argc, char **argv) { |
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} else if (chB == 2) { // GVI (global vegetation index) false color |
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Ngvi(prow, nrow); |
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sprintf(pngfilename, "%s/%s-c.png", pngdirname, name); |
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ImageOut(pngfilename, "GVI False Color", prow, nrow, CH_WIDTH, CHB_OFFSET, GviPalette, enhancements, mapFile); |
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ImageOut(pngfilename, "GVI False Color", prow, nrow, CH_WIDTH, CHB_OFFSET, (char *)GviPalette, enhancements, mapFile); |
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} else { |
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fprintf(stderr, "Skipping False Color generation; lacking required channels.\n"); |
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} |
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Xerbo
4 lat temu