P3D v4 Prepar3D v5 effects photoscenery issue...

[Shaun]

I have dynamic lights working in V4 with out a hitch, but in v5 they show on the photoscenery 1000x brighter than in v4. They still display properly on the ground polygons however.

Any suggestions?

 

[Shaun]

This turned out to be an issue with the intensity and scaling of the effect. In v4 a high intensity is ok, not in v5.

 

[Christian Bahr]

I have dynamic lights working in V4 with out a hitch, but in v5 they show on the photoscenery 1000x brighter than in v4. They still display properly on the ground polygons however.

Any suggestions?

Hi Shaun.

The glaring light could be that the developers of the P3Dv5 have made changes to the particle system. In my projects, all P3Dv4 Effects files for the P3Dv5 have to be revised. There are 2 new values in the "ParticleAttributes" section:

[ParticleAttributes.0]
Color Start=0, 0, 0, 0
Color End=255, 196, 136, 1
Bounce=0.00
X Scale Goal=0.00
Y Scale Goal=0.00
Z Scale Goal=0.00
Falloff Exponent=1.0
Inner Cone Angle=45.00
Outer Cone Angle=180.00
Intensity Day=0.00
Intensity Night=100.00

In addition, the effect is now switched on or off via the "Color End" value: 0 = OFF, 1 = On

So much for my discoveries regarding the changed particle system. Hopefully it will help you a little

 

[Lemon]

Hi Shaun.

The glaring light could be that the developers of the P3Dv5 have made changes to the particle system. In my projects, all P3Dv4 Effects files for the P3Dv5 have to be revised. There are 2 new values in the "ParticleAttributes" section:

[ParticleAttributes.0]
Color Start=0, 0, 0, 0
Color End=255, 196, 136, 1
Bounce=0.00
X Scale Goal=0.00
Y Scale Goal=0.00
Z Scale Goal=0.00
Falloff Exponent=1.0
Inner Cone Angle=45.00
Outer Cone Angle=180.00
Intensity Day=0.00
Intensity Night=100.00

In addition, the effect is now switched on or off via the "Color End" value: 0 = OFF, 1 = On

So much for my discoveries regarding the changed particle system. Hopefully it will help you a little

Hi Christian, I need some guidance...I followed your details regarding "ParticleAttributes" and tried it on a dynamic lighting effect that I created with MCX. I modified the effect file (since MCX does not include the items you stated above in RED) but running the latest P3Dv5 hotfix 1 and SDK, the effect "Intensity" remains as the last number in the Color End statement. Setting that to a 1 as you mentioned, reduces the "intensity" to 1 (aka, near zero), the Intensity Day and Intensity Night have no effect.
What in the world have I done wrong..or misread?

 

[Christian Bahr]

Hi Christian, I need some guidance...I followed your details regarding "ParticleAttributes" and tried it on a dynamic lighting effect that I created with MCX. I modified the effect file (since MCX does not include the items you stated above in RED) but running the latest P3Dv5 hotfix 1 and SDK, the effect "Intensity" remains as the last number in the Color End statement. Setting that to a 1 as you mentioned, reduces the "intensity" to 1 (aka, near zero), the Intensity Day and Intensity Night have no effect.
What in the world have I done wrong..or misread?

I don't know if you did something wrong or if you read something wrong. The post above from me relates to the light type Spotlight (type 28). Do you use this type of light or do you use a different type of light?After all, it may also be possible that with Hotfix 1 this problem described by Shaun no longer occurs.

 

[Shaun]

I fixed this issue by changing the scale via the fx editor.

The color end value is the scale of the illumination for non PBR materials. If set to only 1 the dynamic lighting is too weak on non PBR materials.

With the:

Intensity Day=0.00
Intensity Night=50.00

Users are reporting that PBR materials are not displaying any illumination at all. I must be doing something wrong...

[Library Effect]
Lifetime=5
Version=2.00
Display Name=SXAD_FloodLight
Radius=-1
Priority=0

[Properties]

[Emitter.0]
Lifetime=0.50, 0.50
Delay=0.00, 0.00
Bounce=0.00
Rate=1.00, 1.00
X Emitter Velocity=0.00, 0.00
Y Emitter Velocity=0.00, 0.00
Z Emitter Velocity=0.00, 0.00
Drag=0.00, 0.00
X Particle Velocity=0.00, 0.00
Y Particle Velocity=0.00, 0.00
Z Particle Velocity=0.00, 0.00
X Rotation=0.00, 0.00
Y Rotation=0.00, 0.00
Z Rotation=0.00, 0.00
X Offset=0.00, 0.00
Y Offset=0.00, 0.00
Z Offset=0.00, 0.00
Pitch=0.00, 0.00
Bank=0.00, 0.00
Heading=0.00, 0.00

[Particle.0]
Lifetime=0.00, 0.00
Type=28
X Scale=100.00, 100.00
Y Scale=0.00, 0.00
Z Scale=0.00, 0.00
X Scale Rate=0.00, 0.00
Y Scale Rate=0.00, 0.00
Z Scale Rate=0.00, 0.00
Drag=0.00, 0.00
Color Rate=0.00, 0.00
X Offset=0.00, 0.00
Y Offset=0.00, 0.00
Z Offset=0.00, 0.00
Fade In=0.00, 0.00
Fade Out=0.00, 0.00
Static=1
Face=0, 0, 0

[ParticleAttributes.0]
Color Start=255, 255, 255, 0
Color End=255, 255, 255, 20
Bounce=0.00
X Scale Goal=0.00
Y Scale Goal=0.00
Z Scale Goal=0.00
Falloff Exponent=1.00
Inner Cone Angle=45.00
Outer Cone Angle=180.00
Intensity Day=0.00
Intensity Night=100.00

 

[DragonflightDesign]

That's the alpha channel and yes, I've also had this problem. You don't necessarily need to change the Intensity.

 

[Shaun]

I don't understand, the intensity is the "brightness" that it makes PBR materials illuminate.

Can anyone see why my PBR materials aren't lighting up?

 

[Shaun]

Removing the intensity paramater works fine. I'm not sure why, as it's in the SDK. They must have merged it with scale.