From 2ae8aaa474f888ed7a5a3810cd916977df6d0dcf Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 4 Feb 2026 10:44:40 +0100
Subject: Work on vtk write and added some vars

---
 lib/core/c++/stream.hpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'lib/core/c++/stream.hpp')

diff --git a/lib/core/c++/stream.hpp b/lib/core/c++/stream.hpp
index d217373..8c0342b 100644
--- a/lib/core/c++/stream.hpp
+++ b/lib/core/c++/stream.hpp
@@ -18,7 +18,18 @@ public:
 
 	template<typename CellFieldSchema>
 	void apply(const saw::data<CellFieldSchema, Encode>& field, const saw::data<sch::FixedArray<sch::UInt64,Descriptor::D>>& index, saw::data<sch::UInt64> time_step) const {
+		bool is_even = ((time_step.get() % 2) == 0);
 
+		auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">();
+		auto info_f = field.template get<"info">();
+
+		auto info_meta = info_f.get_dims();
+
+		bool border = false;
+		for(uint64_t i = 0u; i < Descriptor::D; ++i){
+			auto ind_i = index.at({i});
+			border |= (ind_i.get()) == 0u or (ind_i == info_meta.at({i}));
+		}
 	}
 };
 }
-- 
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