■

POV-Treeで桜っぽいの作ってたら、よさげなのできたので貼っておく。

// TREE_NAME=Willow;
//ROOT
#declare ROOTS=0;
#declare ROOT_RANDOM=0;
#declare FIRST_ROOT_AT_TRUNK=0;
#declare ROOT_LENGTH=0;
#declare ROOT_THICKNESS_CHANGE=0;
#declare ROOT_STRENGTH=0;
#declare ROOT_BEND=0;
#declare ROOT_BEND_FREQUENCY=0;
#declare ROOT_CURVE=0;
#declare ROOT_CURVE_FREQUENCY=0;
#declare ROOT_SNAG=0;
#declare ROOT_SNAG_FREQUENCY=0;
#declare ROOT_ANGLE=0;
#declare ROOT_ALIGNMENT=0;
#declare ROOT_TURN_SWITCH=0;
//TRUNK
#declare TRUNK_RADIUS=26;
#declare TRUNK_STRENGTH=0.5;
#declare TRUNK_BEND_X=0;
#declare TRUNK_BEND_X_FREQUENCY=1;
#declare TRUNK_BEND_Z=0;
#declare TRUNK_BEND_Z_FREQUENCY=1.5;
#declare TRUNK_CURVE=0;
#declare TRUNK_CURVE_FREQUENCY=0;
#declare TRUNK_SNAG=0;
#declare TRUNK_SNAG_FREQUENCY=0;
#declare TRUNK_SPIRAL=0;
#declare TRUNK_TAPER=0.2;
//BRANCH
#declare BRANCHES=5;
#declare BRANCH_RANDOM=17.6;
#declare FIRST_BRANCH_AT_TRUNK=60;
#declare BRANCH_AREA_AT_TRUNK=80;
#declare BRANCH_THICKNESS_CHANGE=0.55;
#declare BRANCH_STRENGTH=1;
#declare BRANCH_BEND=0;
#declare BRANCH_BEND_FREQUENCY=1;
#declare HORIZONTAL_BRANCH_BEND_SWITCH=1;
#declare EXTRA_NOISE_SWITCH=1.0;
#declare BRANCH_CURVE=80;
#declare BRANCH_CURVE_FREQUENCY=1;
#declare HORIZONTAL_BRANCH_CURVE_SWITCH=0.0;
#declare BRANCH_LONGITUDINAL_CURVE=0.5;
#declare BRANCH_SNAG=0;
#declare BRANCH_SNAG_FREQUENCY=5;
#declare BRANCH_REDUCTION=0.0;
#declare BRANCH_TAPER=0.2;
#declare BRANCH_END_EQUALIZER=1;
#declare BRANCH_TIP=0;
#declare BRANCH_TURN_SWITCH=0.0;
#declare BRANCH_ALTERNATE_SWITCH=0.0;
#declare BRANCH_SPIRAL=0;
#declare BRANCH_ANGLE=40;
#declare BRANCH_ANGLE_SCOPE=0;
#declare BRANCH_ALIGNMENT=0.5;
#declare STRAIGHTEN_TOWARDS_TOP=0.7;
//TWIG
#declare TWIGS=6*BRANCHES;
#declare TWIG_RANDOM=77.37;
#declare FIRST_TWIG_AT_BRANCH=100;
#declare TWIG_AREA_AT_BRANCH=500;
#declare TWIG_THICKNESS_CHANGE=0.3;
#declare TWIG_STRENGTH=0.5;
#declare HORIZONTAL_TWIG_ANGLE=40;
#declare HORIZONTAL_TWIG_ANGLE_SCOPE=0;
#declare HORIZONTAL_TWIG_ALIGNMENT=0.6;
#declare VERTICAL_TWIG_ANGLE=20;
#declare VERTICAL_TWIG_ANGLE_SCOPE=0;
#declare VERTICAL_TWIG_ALIGNMENT=0.6;
#declare TWIG_TURN_SWITCH=0.0;
#declare TWIG_ALTERNATE_SWITCH=0.0;
#declare TWIG_CURVE_ADJUSTMENT=1;
#declare TWIG_CURVE_FREQUENCY_ADJUSTMENT=1;
#declare TWIG_TAPER=1;
#declare TWIG_TIP=0;
#declare STRAIGHTEN_TOWARDS_BRANCH_END=0.4;
#declare TWIG_RAMIFICATION_ORDER=2;
#declare LAST_RAMIFICATION_NUMBER=1;
#declare TWIG_RAMIFICATION_THICKNESS_CHANGE=1;
#declare TWIG_RAMIFICATION_CURVE_ADJUSTMENT=1;
#declare RAMI_CURVE_FREQUENCY_ADJUSTMENT=1;
#declare TWIG_RAMIFICATION_STRENGTH=0.5;
//BUNCH
#declare BUNCHES=4*TWIGS;
#declare FIRST_BUNCH_AT_TWIG=10;
#declare BUNCH_AREA_AT_TWIG=300;
#declare BUNCH_MAJOR_RADIUS=200;
#declare BUNCH_MINOR_RADIUS=100;
#declare HORIZONTAL_BUNCH_FUNNEL=40;
#declare VERTICAL_BUNCH_FUNNEL=40;
#declare ROTATION_BUNCH_FUNNEL=0;
#declare HORIZONTAL_BUNCH_ANGLE=0;
#declare VERTICAL_BUNCH_ANGLE=30;
#declare HORIZONTAL_BUNCH_ANGLE_SCOPE=5;
#declare VERTICAL_BUNCH_ANGLE_SCOPE=5;
#declare BUNCH_TURN_SWITCH=0.0;
#declare BUNCH_TURN_SHIFT=0;
#declare BUNCH_ALTERNATE_SWITCH=1.0;
#declare HORIZONTAL_BUNCH_ALIGNMENT=1;
#declare VERTICAL_BUNCH_ALIGNMENT=1;
#declare BUNCH_TAPER_OFF_AT_TWIG=0.3;
#declare BUNCH_TAPER_OFF_AT_BRANCH=-0.3;
#declare BUNCH_TAPER_OFF_AT_TREE=0;
#declare BUNCH_ARC_AT_TWIG=<0, 0, 0>;
#declare BUNCH_ARC_AT_BRANCH=<0, 0, 0>;
#declare BUNCH_DEFORM=<1, 1, 1>;
//BARK
#declare SUNKEN_TRUNK_COLOR=<0.4, 0.44, 0.39>;
#declare RAISED_TRUNK_COLOR=<0.5, 0.54, 0.49>;
#declare FOLIAGE_COLOR_AT_BRANCH_END=0;
#declare TRUNK_SCAR_WIDTH=2;
#declare TRUNK_SCAR_HEIGHT=15;
#declare HORIZONTAL_SCAR_SHRINKING=0.2;
#declare VERTICAL_SCAR_SHRINKING=0.5;
#declare SCAR_DEPTH=-1;
#declare BARK_PROFILE=0;
#declare BRANCH_BARK_PROFILE_CHANGE=0;
#declare BRANCH_BARK_PROFILE_TAPER_OFF=1;
#declare ROOT_BARK_PROFILE_CHANGE=0;
#declare PALM_TRUNK=0;
//FOLIAGE
#include "TOMLEAF.inc"
#declare Mesh4 = mesh {
	triangle{<0.375, 0.0, 0.5>, <1.0, 0.0, 0.0>, <0.0, 0.1, 0.25>}
	triangle{<0.0, 0.1, 0.25>, <1.0, 0.0, 0.0>, <0.07499996, 0.0, 2.9802322E-8>}
	triangle{<0.07499996, 0.0, 2.9802322E-8>, <1.0, 0.0, 0.0>, <-5.9604645E-8, 0.1, -0.25>}
	triangle{<-5.9604645E-8, 0.1, -0.25>, <1.0, 0.0, 0.0>, <0.37499994, 0.0, -0.5>}
};
#declare LEAF_TYPE=Mesh4;
#declare LEAVES=254*BUNCHES;
#declare LEAF_LENGTH=21.92982;
#declare LEAF_BREADTH=14.03509;
#declare LEAF_HEIGHT=0.70175;
#declare MAX_LEAF_TILT=34.73684;
#declare MAX_LEAF_TURN=37.89474;
#declare LEAF_INCLINATION=116.84211;
#declare LEAF_INCLINATION_SCOPE=11.75439;
#declare BOTTOM_COLOR_1=<0.93902, 0.7378, 0.78049, 0.0, 0.0>;
#declare BOTTOM_COLOR_2=<1.0, 0.78659, 0.7439, 0.0, 0.0>;
#declare TOP_COLOR_1=<1.0, 0.90244, 0.86585, 0.0, 0.0>;
#declare TOP_COLOR_2=<1.0, 0.93902, 0.81707, 0.0, 0.0>;
#declare COLOR_TURB=0;
#declare TRANSITION_BOTTOM_TOP=0;
#declare TRANSITION_TURB=0;
#declare FOLIAGE_GLOSS=0.0;
#declare FOLIAGE_FILTER=0.0;
#declare FOLIAGE_TRANSPARENCY=0.0;
//BLOSSOM
#declare BLOSSOM="NONE";
#declare BLOSSOMS=0*BUNCHES;
#declare BLOSSOM_LENGTH=50;
#declare BLOSSOM_WIDTH=100;
#declare BLOSSOM_INCLINATION=0;
#declare BLOSSOM_COLOR=<1, 1, 1>;

POV-Tree1.5 で。

//sample
#include "sakura.inc"
#include "TOMTREE-1.5.inc"
object {
        TREE
        scale 8.5
}

background {
        rgb<1,1, 1>
}

camera{
	location < 5, 5, -50 > / 1.5
	up<0,1,0>
	right<320/240,0,0>
	look_at < 0, 0, 0 >
	angle 40.000
}

light_source{<100,100,-100> rgb 1}
light_source{<0,10,-1000> rgb 1}