diff --git a/generating_data/headers/generating_data.hpp b/generating_data/headers/generating_data.hpp
index e591ce6..696fd16 100644
--- a/generating_data/headers/generating_data.hpp
+++ b/generating_data/headers/generating_data.hpp
@@ -1,16 +1,57 @@
-#ifndef _DATA_RENDER_
-#define _DATA_RENDER_
+#ifndef _GENERATING_DATA_
+#define _GENERATING_DATA_
 
-#include <ctime>
-#include <random>
+#include <limits>
+
+#include "gen_rand_data.hpp"
+#include "structer.hpp"
+
+namespace gen_matr_type {
+template <typename T>
+using num_lim = std::numeric_limits<T>;
 
-namespace data_render {
 template <typename T>
-void get_random(T& source, int size, int mmax = 256) {
-  srand(time(0));
+void fill(Mtrx<T>& matrix, const double& sparsity = 1.0,
+          const T& min = num_lim<T>::min(), const T& max = num_lim<T>::max()) {
+  if (matrix.empty()) return;
+
+  gen_rand_data::Generator<T> gen(min, max);
+
+  std::mt19937_64 genSparsity{std::random_device{}()};
+  std::uniform_real_distribution<double> distSparsity(0.0, 1.0);
+
+  for (size_t i = 0; i < matrix.height; ++i)
+    for (size_t j = 0; j < matrix.width; ++j) {
+      if (sparsity >= distSparsity(genSparsity)) do {
+          matrix(i, j) = gen();
+        } while (matrix(i, j) == static_cast<T>(0));
+
+      else
+        matrix(i, j) = static_cast<T>(0);
+    }
+}
+
+template <layout Layout>
+void fill(Image<Layout>& image, const double& sparsity = 1.0,
+          const uint8_t& min = num_lim<uint8_t>::min(),
+          const uint8_t& max = num_lim<uint8_t>::max()) {
+  if (image.empty()) return;
+
+  gen_rand_data::Generator<uint8_t> gen(num_lim<uint8_t>::min(),
+                                        num_lim<uint8_t>::max());
+
+  std::mt19937_64 genSparsity{std::random_device{}()};
+  std::uniform_real_distribution<double> distSparsity(0.0, 1.0);
+
+  for (size_t i = 0; i < image.height; ++i)
+    for (size_t j = 0; j < image.width; ++j) {
+      if (sparsity >= distSparsity(genSparsity))
+        image(i, j) = Color<Layout>(gen(), gen(), gen(), gen());
 
-  for (int i = 0; i < size; ++i) source[i] = (unsigned char)(rand() % mmax);
+      else
+        image(i, j) = Color<Layout>(0, 0, 0, 0);
+    }
 }
-}  // namespace data_render
+}  // namespace gen_matr_type
 
-#endif  // _DATA_RENDER_
\ No newline at end of file
+#endif  // _GENERATING_DATA_
diff --git a/generating_data/headers/structer.hpp b/generating_data/headers/structer.hpp
index 975cef4..e93ac1c 100644
--- a/generating_data/headers/structer.hpp
+++ b/generating_data/headers/structer.hpp
@@ -21,6 +21,7 @@ class Mtrx {
   Mtrx(const Mtrx& mtrx_m);  // copy constructor
   Mtrx(Mtrx&& mtrx_m);
   ValType* DData() { return data; }
+  bool empty() const noexcept { return data == nullptr; }
 
   ~Mtrx() { delete[] data; }  // destructor