From d6f6a2b1fa655d38cc6df9a6f7ab6afeb3184dce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20Asp=C3=B6ck?= <lukas.aspoeck@rwth-aachen.de>
Date: Wed, 30 Aug 2017 14:05:21 +0200
Subject: [PATCH] implemented method to return surface area of walls in room
model
---
.../VirtualAcoustics/Raven/itaRavenProject.m | 6 +++--
.../VirtualAcoustics/Raven/load_ac3d.m | 22 ++++++++++++++++++-
2 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/applications/VirtualAcoustics/Raven/itaRavenProject.m b/applications/VirtualAcoustics/Raven/itaRavenProject.m
index 22c791f4..ef005989 100644
--- a/applications/VirtualAcoustics/Raven/itaRavenProject.m
+++ b/applications/VirtualAcoustics/Raven/itaRavenProject.m
@@ -2656,8 +2656,10 @@ classdef itaRavenProject < handle
function S = getMaterialSurfaceArea(obj, materialName)
%S = getRoomSurfaceArea(roomID)
%
- % returns the total surface area of the current room.
+ % returns the surface area of the current material.
%
+ % WARNING: NOT IMPLEMENTED!
+ %
if nargin < 2
error('Please provide a material name.');
end
@@ -2680,7 +2682,7 @@ classdef itaRavenProject < handle
end
end
- % get all materials in room
+ % return surface area of given material
S = roommodel.getMaterialSurface(materialName);
end
diff --git a/applications/VirtualAcoustics/Raven/load_ac3d.m b/applications/VirtualAcoustics/Raven/load_ac3d.m
index d12558a9..a2558238 100644
--- a/applications/VirtualAcoustics/Raven/load_ac3d.m
+++ b/applications/VirtualAcoustics/Raven/load_ac3d.m
@@ -289,7 +289,27 @@ classdef load_ac3d
function S = getSurface(obj)
S = obj.totalSurface;
end
-
+
+ function SMat = getMaterialSurface(obj,materialName)
+
+ % sometimes multiple materials with the same name are defined. in this case, sum up all of them
+ matchingMatIDs = [];
+ SMat = 0;
+ for matID = 1:length(obj.bcGroups)
+ if (strcmp(obj.bcGroups{matID}.name, materialName))
+ matchingMatIDs = [matchingMatIDs matID];
+ SMat = SMat + obj.bcGroups{matID}.surface;
+ end
+ end
+
+ if isempty(matchingMatIDs)
+ error(['Material "' materialName '" is not part of the model. Please check materialname and or your *.ac file']);
+ end
+
+
+ end
+
+
function [A, S] = getEquivalentAbsorptionArea_sabine(obj, material_path, portal_surface_materials)
if nargin < 2
material_path = '..\RavenDatabase\MaterialDatabase';
--
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