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Rayfront 1.0 User Manual

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Simulation Setup

Image Settings

An image is mostly defined by its view properties. A view (or "camera") for image rendering consists of the actual view definition and the maximum image resolution. Picture files are stored in the "images" subdirectory of the project directory, subject to the following naming conventions:

images/<variation>_<field>.unf - Unfinished picture. images/<variation>_<field>.pic - Finished picture.

Select View
The drop-down selection shows the name of the view definition currently set up for simulation, and allows to select a different one.
New...
Create a new view definition. You can select to make the new view definition a copy of one of the existing ones, or start with a default view definition setup. If you select a different view definition after editing the current one, then you will get asked if you want to save it first.
Edit...
Change the parameters of the currenly selected view definition.
Import...
(This function is only available when Rayfront was started from within Autocad/Intellicad)
Import a view definition from Autocad/Intellicad and add it to the project.
Notice: View definitions are global to the project. This means that if you edit a view definition within the current variation and there are any other variations in the project that use the same view definition, then future simulations in those variations will all use the new settings.

Maximum X Resolution
Maximum Y Resolution
The image will have a pixel resolution in horizontal and vertical direction so that at least one side matches its maximum resolution. The real image size will be determined by the image aspect as set in the view definition. The X and Y values defined here are the maximum rectangle allowed for the image size, and the system will try to fill as much of that area while preserving the image proportions of the selected view.

[Simulation Setup]

Images can be rendered interactively or in background mode, on the local workstation or on a render server in the network.

Run Preview...
Start an rview(1) process on the local computer. This command allows interactive control of the simulation, and is generally used to check the geometry selection and material assignments, or to make sure the current view is set up correctly. A dialog window will offer more options.

Run Rendering...
Run a simulation in background mode, possibly on a different host in your local network. A dialog window will offer more options.

Numerical Simulation Setup

An numerical simulation is defined through a measuring field. Such a field can be thought of as a grid of light sensors, that can be placed anywhere in space, and will produce a series of measurements, expressed in illuminance or daylight factor values.

The output of a numerical simulation are illuminance or daylight factor values in tabular form, in a comma seperated text file. The resulting files can be imported by any spreadsheet software to produce diagrams and other graphical or textual output. You can find the numerical data files in the "numeric" subdirectories, subject to the following naming conventions:

numeric/<variation>_<field>.df - Daylight factor output. numeric/<variation>_<field>.if - Illuminance output.

Select Field
The drop-down selection shows the name of the field definition currently set up for simulation, and allows to select a different one.
New...
Create a new field definition. You can select to make the new field definition a copy of one of the existing ones, or start with a default field definition setup. If you select a different field definition after editing the current one, then you will get asked if you want to save it first.
Edit...
Change the parameters of the currenly selected field definition.
Import...
(This function is only available when Rayfront was started from within Autocad/Intellicad)
Import a measuring field definition from Autocad/Intellicad and add it to the project.
Notice: Field definitions are global to the project. This means that if you edit a field definition within the current variation and there are any other variations in the project that use the same field definition, then future simulations in those variations will all use the new settings.

Output: Illuminance
Output: Daylight Factor
Numerical simulations can produce two types of output. At least one of them must be selected to start a simulation.

Run Simulation...
Run a simulation in background mode, possibly on a different host in your local network. A dialog window will offer more options.

Navigation:

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     The Simulation Control Center

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Variation Settings
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Process Management
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