Prints a message to the console.

Usage

print(label, expression)

This is useful diagnose parameters in nodes or channels.

Returns the value of expression.

Examples

 print("wheel:", sin($T))

비슷한 익스프레션

dopoption("/obj/dopnet1/", "box", "Position", "ty")

RenderMan Shader Compiles

The simplest way to get RenderMan shaders compiled and into Houdini is to do this:

% shader myshader.sl% 

rmands -l myshader.otl myshader.slo

This will create a digital asset with the compiled shader in it. Then you install thatthrough the file menu (File->Install Operator Type Library), and you're done - it willbe on the shader menu, with all of the UI elements already set up.

Even better, you can do this:

% rmands -l rmanshaders.otl *.slo

and this will put all your shaders into one asset. Then you can put this someplace like

$SHOW/houdini/otls

and set up Houdini with an environment variable, thus

HOUDINI_OTL_PATH = $SHOW/houdini/otls

Then whenever anyone runs Houdini, it will automatically load up all the shaders(and even better, the dialogs and other stuff).10

$HOME의 Houdini 디렉토리의 houdini.env 셋팅.

# 외부 편집기로 gedit를 쓸 수 있다.

# Houdini를 실행시킬때마다 경로가 적힌 디렉토리의 otl들을  자동적으로 인식해서 들고온다.

아는 분이 아이디어를 내주셔서 한번 작성해 본 문자열 함수들

입력한 숫자를 사이사이에 넣어서 문자열로 반환하는 함수

// Append func 

string append(string str, float num)

{

        float len = argc(str);

        string result = eval(num) + " ";

        for(i=0; i<len; i++)

        {

                if(i == (len-1))

                {

                        result += arg(str, i) + " " + num;

                        continue;

                }

                result += arg(str, i) + " " + num + " ";

        }

        if(len != 0)

                return result;

        else

                return "";

}

terahedralize 와 똑같은 효과를 내게할 수 있는... 문자열 패턴을 반환하는 함수.

string appendString(float lastNum)

{

        string result = "";

        for(i=0; i<(lastNum-1); i++)

        {

                if(i == (lastNum-2))

                {

                        result += evals(i) + " " + evals((lastNum-1));

                        continue;

                }

                result += evals(i) + " " + evals((lastNum-1)) + " ";

    }

        return result;

}

dturbulence

fire

#include "rmannotes.sl"

surface crosstile()
{
  color surface_color, layer_color;
  color surface_opac, layer_opac;
  float fuzz = 0.05;

  /* background layer */

  surface_color = Cs;
  surface_opac = Os;

  /* vertical bar layer */

  layer_color = color (0.1, 0.5, 0.1);
  layer_opac = pulse(0.35, 0.65, fuzz, s);
  surface_color = blend(surface_color, layer_color, layer_opac);

  /* horizontal bar layer */

  layer_color = color (0.1, 0.1, 0.3);
  layer_opac = pulse(0.35, 0.65, fuzz, t);
  surface_color = blend(surface_color, layer_color, layer_opac);

  /* output */

  Oi = surface_opac;
  Ci = surface_opac * surface_color;
}

위의 RSL 쉐이딩을 이렇게..하였다... 둘 다 C언어 기반이라 그런지 똑같다. 함수만 다를 뿐..

결과물

Sign VEX node

smooth VEX function

refract(normalize(I), normalize(N), outside_to_inside_ior)