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commit 90a0d0a24994db6f41bb35809a3474e6f295086c
parent b48af16152457ed885860f82ec3c1ffe2de8cf61
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Thu, 19 May 2022 15:25:45 +0200

htrdr: add images to the urban mod

Diffstat:
Ahtrdr/mods/Ebudget_Streetcanyon_Broadband.svg | 2++
Ahtrdr/mods/MRT_map_icif_district_day.svg | 2++
Mhtrdr/mods/htrdr-urban.html.in | 73+++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------
3 files changed, 59 insertions(+), 18 deletions(-)

diff --git a/htrdr/mods/Ebudget_Streetcanyon_Broadband.svg b/htrdr/mods/Ebudget_Streetcanyon_Broadband.svg @@ -0,0 +1 @@ +#$# git-wad 4f01c41f195f3c486c58e5617b4d55e609ad8d9e7961e36dab7d74e1c8e3b8d7 112397 +\ No newline at end of file diff --git a/htrdr/mods/MRT_map_icif_district_day.svg b/htrdr/mods/MRT_map_icif_district_day.svg @@ -0,0 +1 @@ +#$# git-wad 0d784883573ec9f6807004c2eee253d09959c61cd61e5dc8d256717503de163c 210511 +\ No newline at end of file diff --git a/htrdr/mods/htrdr-urban.html.in b/htrdr/mods/htrdr-urban.html.in @@ -1,29 +1,66 @@ <h2 id="urban"><code style="color: #000000">htrdr</code> Urban</h2> -<div class="news"> - <ul> - <li><a href="https://gitlab.com/edstar/htrdr/-/tree/main_urban">Git</a> - repository</li> - </ul> +<div class="img" style="width: 20em"> + <a href="mods/Rendering_icif_district_spp200.jpg"> + <img src="mods/Rendering_icif_district_spp200.jpg" alt="icif_district"> + </a> + <div class="caption"> + Fig.&nbsp;1&nbsp;- Rendering in the visible part of the solar spectrum of a + procedurally generated dense mid-rise city. The number of pixels is 1500x800, + the vertical field of view 70&#176;, and the number of samples per pixel 200. + </div> </div> <p>The <code>htrdr</code> Urban program is a fork of <code>htrdr</code> 0.6.1 that simulates radiative transfer in scenes composed of an atmospheric gas mixture, clouds, and a ground with buildings and vegetation. In addition of -<b>visible or infrared rendering</b> of scenes and calculation of <b>solar or -ifrared irradiation</b>, <code>htrdr</code> Urban adds the calculation of -<b>radiative flux density</b> incident on or absorbed by a group of triangles -belonging to the ground geometry (e.g. building, walls, windows, roofs, -<i>etc.</i>).</p> +<b>visible or infrared rendering</b> of virtual scenes and calculation of +<b>solar or ifrared irradiation</b>, <code>htrdr</code> Urban adds the +calculation of <b>radiative flux density</b> incident on or absorbed by a group +of triangles belonging to the ground geometry (e.g. building, walls, windows, +roofs, <i>etc.</i>). Visit the project repository for more information about +this modification (features, installation process, use case, <i>etc</i>). -<div class="img" style="width: 20em"> - <a href="mods/Rendering_icif_district_spp200.jpg"> - <img src="mods/Rendering_icif_district_spp200.jpg" alt="icif_district"> - </a> - <div class="caption"> - Rendering in the visible part of the solar spectrum of a procedurally - generated dense mid-rise city. The number of pixels is 1500x800, the vertical - field of view 70°, and the number of samples per pixel 200. +<p>The following figures illustrate some of the results obtained with +<code>htrdr</code> Urban.</p> + +<div style="display: inline-block;"> + <div style="float: left; width: 22em; margin-right: 1em;"> + <a href="mods/Ebudget_Streetcanyon_Broadband.svg"> + <img src="mods/Ebudget_Streetcanyon_Broadband.svg" alt="ebudget"> + </a> + <div class="caption"> + Fig.&nbsp;2&nbsp;- Solar radiation budget of infinitely-long street canyon + geometries with different aspect ratios (building height divided by street + width) simulated with htrdr-urban (MC) and the Town Energy Balance (TEB), + which calculates radiative exchange with the radiosity method. The + radiation budget consists of the reflected radiation (UP) and the radiation + absorbed by the roof (ABS_ROOF), walls (ABS_WALL), and road (ABS_ROAD). All + terms have been normalized with the downwelling solar radiation. The plane + area building density is 0.5. All surfaces have a Lambertian broadband + albedo of 0.5. (left)&nbsp;The downwelling solar radiation consists of only + direct radiation. (right)&nbsp;The downwelling solar radiation consists of + isotropic diffusive radiation. + </div> + </div> + + <div style="float: left; width: 26em;"> + <a href="mods/MRT_map_icif_district_day.svg"> + <img src="mods/MRT_map_icif_district_day.svg" alt="MRT_day"> + </a> + <div class="caption"> + Fig.&nbsp;3&nbsp;- (left) Spatial distribution (1&nbsp;m resolution) of the + Mean Radiant Temperature (MRT) in a compact mid-rise urban district of + 800&nbsp;m&nbsp;x&nbsp;800&nbsp;m horizontal extent during the daytime. A + rendering of the district is shown in Fig.&nbsp;1. The solar elevation angle + is 50&#176; and the sky is clear. The sun is located in the west of the + district (it shines from left to right) leading to low MRT due to shading on + the right of the buildings and high MRT due to reflected solar radiation on + the left of the buildings. The temperature of all surfaces is 295&nbsp;K. The + white colour depicts the built areas for which the outdoor MRT is not + defined. (right) Standard deviation of the MRT displayed in (left) calculated + by the Monte-Carlo method. + </div> </div> </div>