diff --git a/src/CaseMap.cpp b/src/CaseMap.cpp
index ea72701..f06b4fe 100644
--- a/src/CaseMap.cpp
+++ b/src/CaseMap.cpp
@@ -9,7 +9,7 @@ CaseMap::CaseMap(int width, int height, int* cases)
 }
 int CaseMap::get_case(int x, int y)
 {
-    // all the pixels are in an array of floats from left to right, top to bottom
+    // all the cases are in an array of ints from left to right, top to bottom
     int offset = ((this->width * y) + x);
     return *(this->cases + offset);
 }
\ No newline at end of file
diff --git a/src/CaseMap.hh b/src/CaseMap.hh
index abf7b4d..78715b4 100644
--- a/src/CaseMap.hh
+++ b/src/CaseMap.hh
@@ -1,5 +1,5 @@
 /**
-    @brief stores the cases produced from image
+    @brief stores the cases from marching squars for one elevation level
  */
 class CaseMap
 {
diff --git a/src/main.cpp b/src/main.cpp
index 61ddc22..f552ddf 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,27 +7,23 @@
 #include "gdal/gdal_priv.h"
 #include <gdal/gdal_frmts.h>
 
-
-
-
-CaseMap produce_casemap(HeightMap* heightmap, float height)
+CaseMap produce_casemap(HeightMap* heightmap, float z)
 {
-    int* test = (int *) CPLMalloc(sizeof(int)*heightmap->width*heightmap->height);
-    for (int i; i<(heightmap->width-1)*(heightmap->height-1); i++) {
+    int *cases = (int *) CPLMalloc(sizeof(int)*(heightmap->width-1)*(heightmap->height-1));
+    for (int i = 0; i<(heightmap->width-1)*(heightmap->height-1); i++) {
         int y = i/(heightmap->width-1);
         int x = i%(heightmap->width-1);
-        *(test + i) = heightmap->get_pixel(x,y+1)*(heightmap->get_pixel(x,y+1)>heightmap->height) + 
-        heightmap->get_pixel(x+1,y+1)*(heightmap->get_pixel(x+1,y+1)>heightmap->height)*2 +
-        heightmap->get_pixel(x+1,y)*(heightmap->get_pixel(x+1,y)>heightmap->height)*4 +
-        heightmap->get_pixel(x,y)*(heightmap->get_pixel(x,y)>heightmap->height)*8;
+        int result = (heightmap->get_pixel(x,y+1)>z) + 
+        (heightmap->get_pixel(x+1,y+1)>z)*2 +
+        (heightmap->get_pixel(x+1,y)>z)*4 +
+        (heightmap->get_pixel(x,y)>z)*8;
+        *(cases + i) = result;
     }
     
-    return CaseMap(heightmap->width-1, heightmap->height-1, test);
+    return CaseMap(heightmap->width-1, heightmap->height-1, cases);
 
 
 }
-//(int a, int b, )
-
 
 int main(int argc, const char* argv[])
 {
@@ -37,19 +33,16 @@ int main(int argc, const char* argv[])
     std::cout << "x: " << map.width << "    y: " << map.height << "\n";
     std::cout << "max: " << map.max << "    min: " << map.min << "\n";
     
-    
-    
-    std::cout << "\nend🤡\n";
     auto casemap = produce_casemap(&map, 40.0);
-
+    
     for (int y = 0; y < casemap.height; y++)
     {
         for (int x = 0; x < casemap.width; x++)
         {
-            if (casemap.get_case(x, y)) {
-                std::cout << casemap.get_case(x, y) << " ";
+            if (casemap.get_case(x, y) && casemap.get_case(x, y)!=15) {
+                std::cout << x << ","<< y << "=" << casemap.get_case(x, y) << " ";
             }
         }
-       // std::cout << "\n";
+       std::cout << "\n";
     }
 }
\ No newline at end of file