Servicio Eléctrico: Estudio de Iluminación

Question

Trabajo para un pequeño servicio eléctrico municipal en el norte de NY. El servicio ha comenzado recientemente a eliminar gradualmente las antiguas farolas HPS en favor de luminarias LED más nuevas. Antes del desarrollo de nuestros mapas del servicio, que actualmente tienen menos de un año, el servicio contrataba a una empresa externa para realizar un estudio de iluminación en las áreas en cuestión. Ahora que tenemos un mapa funcional del servicio, sería conveniente usarlo para realizar un estudio de iluminación internamente. ¿Alguien tiene experiencia usando ArcGIS de esta manera? <\/P> Lo principal que me gustaría hacer es encontrar una forma de trazar perfiles de isolíneas de luminarias en nuestro mapa. De esa manera podemos ver si el brazo de la farola necesita ser ajustado o reemplazado. <\/P> Además, he revisado varios programas diferentes de software de iluminación, como AGI32 y DIALux, que parecen útiles. Sin embargo, el proceso de convertir secciones de nuestro mapa a CAD e importar y ajustar en esos programas es bastante pesado.<\/P> Espero que alguien con más experiencia pueda dar una recomendación.<\/P>

LongDinh · Answer

If you looking to generate light intensity, it would be best to use a raster data type.

The isoline profile generator should be able to generate raster cell values at a given x,y location and distance from the x,y location. Hopefully there's a relationship between height, orientation and bulb type which determines the light intensity.

Once you have all streetlights mapped and profiled, you can do a cumulative sum of overlapping cells with a threshold of 100 (for 100%) or have an IF raster condition to determine if it is intense or not e.g. >30% intensity is a pass for coverage otherwise, not intense enough.

So it's certainly possible!

VillageOf_Lake_Placid · Answer

That would be a fantastic idea. Currently the major issue is that we only have photometric files for each light type, so we need to convert each one into an isoline profile. However, the current process for getting these profiles is kind of a pain. We open the photometric files in AGI32, convert it to Cad, then convert it again into ArcGIS Pro. There has to be a better way to get a photometric file to create a usable isoline for Arcgis Pro.

Once we get this working I think your suggestion to determine the coverage is a great idea. I will have to give it a try.

It is an interesting predicament, it might be that we are asking for to much. The few examples of utilities and cities that use Arcgis to display light coverage and intensity have all used a simple buffer. Not taking into account the actual distribution of the light.

LongDinh · Answer

This really fascinates me. To preface, I have no experience with lighting software or technicalities but I can share a potential solution in the ArcGIS environment to help you understand lighting areas.

Given you have a luminaire isoline profile for each streetlight type (by bulb type?), and the height and orientation of the streetlight, you could write a Python script to generate/draw the luminaire isoline profile at each of the streetlight x,y locations.

Maybe your reporting statistic is % coverage of a road network which for a given road network, you could CLIP by the isoline profiles and get the difference in SHAPE lengths of the road network to determine the % coverage.

Anyways, I'm just throwing ideas around to an interesting problem.