start layer numbering at 1 (similar to Cura)

GcodeFileSplitter.py

@@ -127,7 +127,8 @@ class GcodeFileAnalyzer:
         for layerIndexOrHeight in layerIndicesOrHeights:
             if isinstance(layerIndexOrHeight, int):
                 # already a layer index
-                layerIndices.append(layerIndexOrHeight)
+                # minus one because first layer input starts at one (similar to Cura)
+                layerIndices.append(layerIndexOrHeight - 1)
             elif isinstance(layerIndexOrHeight, str):
                 # extract millimeters
                 millisMatch = RE_MILLIMETERS.search(layerIndexOrHeight)
@@ -147,8 +148,8 @@ class GcodeFileAnalyzer:
         # Add default header
         lines = list(self.header)
         logging.info('Exporting Layers {} ({} mm) ... {} ({} mm)'
-                     .format(startLayer.number, startLayer.zHeight, 
-                             endLayer.number, endLayer.zHeight))
+                     .format(startLayer.number + 1, startLayer.zHeight, 
+                             endLayer.number + 1, endLayer.zHeight))
 
         if startLayer.number != 0:
             # Add extra initalization
@@ -252,5 +253,7 @@ if __name__ == '__main__':
     #                                     [124])
     # GcodeFileAnalyzer.SplitFileAtLayers(r"Q:\DIY\3Dprint\Models\Thingiverse\MoonLamp\gcode\moon5inches.gcode",
     #                                     [100, 200, 400, 600, 700])
-    GcodeFileAnalyzer.SplitFileAtLayers(r"Q:\DIY\3Dprint\Models\Benjamin\Vier_Cura5.1.1.gcode",
-                                        [42])
+    # GcodeFileAnalyzer.SplitFileAtLayers(r"Q:\DIY\3Dprint\Models\Benjamin\Vier_Cura5.1.1.gcode",
+    #                                     [42])
+    GcodeFileAnalyzer.SplitFileAtLayers(r"Q:\DIY\3Dprint\Models\Geschenke\Mama\Herz\MarkusTinaHerz.gcode",
+                                        [31])

GcodeSplitterTest.py

@@ -4,6 +4,7 @@ from GcodeFileSplitter import GcodeFileAnalyzer
 
 dummyGcode = [
     'header01', 'header02',
+    ';Generated with Cura_SteamEngine 3.5.1',
     ';LAYER_COUNT:4',
     ';LAYER:0', 'G0 Z0.3', 'G1 E0', ';TIME_ELAPSED:1.11',
     ';LAYER:1', 'M106 S255', 'G0 Z0.5', 'G1 E11.11', ';TIME_ELAPSED:2.11',
@@ -15,7 +16,7 @@ dummyGcode = [
 class GcodeTest(unittest.TestCase):
     def test_Analyzer(self):
         gcode = GcodeFileAnalyzer(dummyGcode)
-        self.assertEqual(gcode.header, ['header01', 'header02', ';LAYER_COUNT:4'])
+        self.assertEqual(gcode.header, ['header01', 'header02', ';Generated with Cura_SteamEngine 3.5.1', ';LAYER_COUNT:4'])
         self.assertEqual(gcode.footer, ['G1 F1500 E30', 'footer02'])
         self.assertEqual(gcode.layers[0].lines, [';LAYER:0', 'G0 Z0.3', 'G1 E0', ';TIME_ELAPSED:1.11',])
         self.assertEqual(gcode.layers[1].lines, [';LAYER:1', 'M106 S255', 'G0 Z0.5', 'G1 E11.11', ';TIME_ELAPSED:2.11',])
@@ -27,7 +28,7 @@ class GcodeTest(unittest.TestCase):
 
     def test_SplitInTwo(self):
         gcode = GcodeFileAnalyzer(dummyGcode)
-        lines1, lines2 = gcode.ExportSplitted([2])
+        lines1, lines2 = gcode.ExportSplitted([3])
 
         # Check first file
         # header + layer 1 and 2
@@ -55,7 +56,7 @@ class GcodeTest(unittest.TestCase):
 
     def test_SplitInThree(self):
         gcode = GcodeFileAnalyzer(dummyGcode)
-        lines1, lines2, lines3 = gcode.ExportSplitted([2, 3])
+        lines1, lines2, lines3 = gcode.ExportSplitted([3, 4])
 
         # Check first file
         # header + layer 1 and 2