The general sky properties is as follows:ĭefining the shine of sky is calculated when shading ( render). Sunproperties command in AutoCAD – Set up Sun properties Turning off the shadow will increase the efficiency. Turn on and turn off the display, and calculate the shadow of the Sun. Enter a color name or number or click at Select Color to open Select Color dialog box.
The bigger value the more shining.Ĭontrol the color of light. The value range from 0 ( no light) to maximum. This establishment is not useful if the shining is not carried out in the drawing. Set up the general properties of the Sun. Sunproperties command is used to set up and edit the properties of the Sun.ĭisplay Sun Properties window and set up the properties of the Sun. The way to call Sunproperties command in AutoCAD Sunproperties command in AutoCAD I thank in advance everybody that has time and willing to reply.Sunproperties command in AutoCAD – Set up Sun properties
Of course, to compute a sundial is required a greater precision than the precision required for a simple buildings solar illumination study. The current discrepancy, I believe, are mainly due to the greater precision of my algorithm with respect the AutoCad one. If I could know the algorithm used by AutoCad I could to adapt my sundials calculator algorithm in a such way to get perfect simulations. Which other astronomical parameters are considered by AutoCad in order of improve the accuracy? How AutoCad takes into account of the equation of time and of the seasonal sun declination? Does somebody know how AutoCad computes the elevation and azimuth angles? Does somebody know whether and how it's possible to use more decimal digits to define the latitude and the longitude? I have also noticed that to define the longitude and the latitude are used only three digits after the decimal point. These discrepancies, very likely, are due to an insufficient precision of the algorithm used to compute the elevation and azimuth angles inside AutoCad. In some preliminary experiment I have noticed some slight discrepanncy between the position of the shadow casted by the virtual sun of AutoCad and the theoretical position indicated by my computations (of which correctness I'm sure because proven in the field). To design my sundial I will use AutoCad so I can see how it appears when illuminated by the virtual sun (command _lights Sun Angle Calculator) and rendering. a clock working through the sun casting a shadow). I'm an italian professionist and I'm going to design a sundial (i.e.
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