2 files changed, 4 insertions, 3 deletions
diff --git a/src/fluid_buffer.cc b/src/fluid_buffer.cc
index e73c818..1f40d2f 100644
--- a/src/fluid_buffer.cc
+++ b/src/fluid_buffer.cc
@@ -32,9 +32,9 @@ Velocity& FluidBuffer::velocity(Vector<std::size_t> pos) {
 	return velocity(pos[0], pos[1]);
 }
 
-void FluidBuffer::writeAsVTK(int time) {
+void FluidBuffer::writeAsVTK(const std::string& path) {
 	std::ofstream fout;
-	fout.open(("result/data_t" + std::to_string(time) + ".vtk").c_str());
+	fout.open(path.c_str());
 
 	fout << "# vtk DataFile Version 3.0\n";
 	fout << "lbm_output\n";
diff --git a/src/fluid_buffer.h b/src/fluid_buffer.h
index 1d802c0..72518bb 100644
--- a/src/fluid_buffer.h
+++ b/src/fluid_buffer.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <string>
 
 #include "vector.h"
 
@@ -27,5 +28,5 @@ public:
 	Velocity& velocity(std::size_t x, std::size_t y);
 	Velocity& velocity(Vector<std::size_t> pos);
 
-	void writeAsVTK(int time);
+	void writeAsVTK(const std::string& path);
 };