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standalone/dsmprint.C
/*
* Copyright (c) 2018
* Side Effects Software Inc. All rights reserved.
*
* Redistribution and use of Houdini Development Kit samples in source and
* binary forms, with or without modification, are permitted provided that the
* following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. The name of Side Effects Software may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*----------------------------------------------------------------------------
*/
#include <stdio.h>
#include <iostream>
#include <UT/UT_Exit.h>
#include <UT/UT_Options.h>
namespace HDK_Sample {
static void
usage(const char *program)
{
std::cerr << "Usage: " << program << " dsmfile\n";
std::cerr << "Prints out information about a deep camera/shadow image\n";
}
template <typename FTYPE> static void
printTuple(const FTYPE *pixel, int vsize)
{
int i;
printf("(%g", pixel[0]);
for (i = 1; i < vsize; i++)
printf(",%g", pixel[i]);
printf(")");
}
static void
printPixel(IMG_DeepShadow &fp, int x, int y)
{
int i, d, depth;
// Open the pixel
if (!pixel.open(x, y))
{
printf("\tUnable to open pixel [%d,%d]!\n", x, y);
return;
}
// Get the number of z-records for the pixel
depth = pixel.getDepth();
printf("Pixel[%d,%d][%d]\n", x, y, depth);
// Iterate over all channels in the DCM
for (i = 0; i < fp.getChannelCount(); i++)
{
chp = fp.getChannel(i);
printf(" %5s = [", chp->getName());
if (depth)
{
// Print first depth record
printTuple<float>(pixel.getData(*chp, 0), chp->getTupleSize());
// And the remaining depth records
for (d = 1; d < depth; d++)
{
printf(", ");
printTuple<float>(pixel.getData(*chp, d), chp->getTupleSize());
}
}
printf("]\n");
}
}
static void
dumpOptions(IMG_DeepShadow &fp)
{
opt = fp.getTextureOptions();
if (opt)
{
wbuf.strcpy("DSM Options: ");
opt->appendPyDictionary(wbuf);
printf("%s\n", wbuf.buffer());
}
}
}
using namespace HDK_Sample;
int
main(int argc, char *argv[])
{
int xres, yres;
if (!fp.open(argv[1]))
usage(argv[0]);
// Read the texture options in the file
dumpOptions(fp);
// Query the resolution
fp.resolution(xres, yres);
printf("%s[%d,%d] (%d channels)\n",
argv[1], xres, yres, fp.getChannelCount());
// Print the raw pixel data
printPixel(fp, 0, 0);
printPixel(fp, xres>>1, 0);
printPixel(fp, xres-1, 0);
printPixel(fp, 0, yres>>1);
printPixel(fp, xres>>1, yres>>1);
printPixel(fp, xres-1, yres>>1);
printPixel(fp, 0, yres-1);
printPixel(fp, xres>>1, yres-1);
printPixel(fp, xres-1, yres-1);
return 0;
}