fs324

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FS324

Rendering mesh/mesh2/triangle artefact, regression from 3.6

Source code

#version 3.7;

global_settings {
  assumed_gamma 1.0
	max_trace_level 30
}

#local lookat = <0,0,0>;
#local base_lookfrom = <0.1, 0.2, -0.8>;
#local lookfrom = base_lookfrom*.6;

camera {
	location lookfrom
	look_at lookat
	right x*1.0/1.0
}

#declare P1=		<0.03249196962329062993, -0.05257311121191336062, -0.19021130325903071179>;
#declare P2=		<0.08792183440801312755, -0.05433868201739210785, -0.17584366881602625510>;
#declare P3=		<0.05433868201739210785, 0.00000000000000000000, -0.19659919844279735712>;
#declare P4=		<0.03429496250085656284, -0.08978537747014557480, -0.17957075494029114959>;
#declare P5=	<0.00000000000000000000, -0.03429496250085656284, -0.20076620740872361259>;
#declare T1=texture { pigment { rgb<1,0,0> transmit 0.5 } finish { ambient 0.5 } }
union{
triangle { P1, P2, P3 texture {T1} }
triangle { P2, P3, P5 texture {T1} }
triangle { P2, P5, P4 texture {T1} }
	transform { rotate z*60 scale 1.3 }
no_shadow
}

#version 3.6;
global_settings { assumed_gamma 1.0 max_trace_level 30 }

#local Lookfrom = <0.1, 0.2, -0.8>;

#declare P1=		<0.03249196962329062993, -0.05257311121191336062, -0.19021130325903071179>;
#declare P2=		<0.08792183440801312755, -0.05433868201739210785, -0.17584366881602625510>;
#declare P3=		<0.05433868201739210785, 0.00000000000000000000, -0.19659919844279735712>;
#declare P4=	<0.00000000000000000000, -0.03429496250085656284, -0.20076620740872361259>;
#declare C=(P1+P2+P3+P4)/4;
camera {
	location Lookfrom
	look_at C
	right x*image_width/image_height
  angle 10
}

#declare T1=texture { pigment { rgb<1,0,0> transmit 0.5 } finish { ambient 0.5 } }
triangle { P1, P2, P3 texture {T1} no_shadow }
triangle { P2, P3, P4 texture {T1} no_shadow  }

Before correction/restoration

After correction/restoration