Progress encoding vertices

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+indent_style = space
+indent_size = 2
+
+# 4 space indentation
+[*.py]
+indent_size = 4
+
+# Tab indentation (no size specified)
+[Makefile]
+indent_style = tab

qmesh/constants.py

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+from collections import OrderedDict
+
+
+HEADER = OrderedDict([
+    ['centerX', 'd'],  # 8bytes
+    ['centerY', 'd'],
+    ['centerZ', 'd'],
+    ['minimumHeight', 'f'],  # 4bytes
+    ['maximumHeight', 'f'],
+    ['boundingSphereCenterX', 'd'],
+    ['boundingSphereCenterY', 'd'],
+    ['boundingSphereCenterZ', 'd'],
+    ['boundingSphereRadius', 'd'],
+    ['horizonOcclusionPointX', 'd'],
+    ['horizonOcclusionPointY', 'd'],
+    ['horizonOcclusionPointZ', 'd']
+])
+
+VERTEX_DATA = OrderedDict([
+    # 4bytes -> determines the size of the 3 following arrays
+    ['vertexCount', 'I'],
+    ['uVertexCount', 'H'],  # 2bytes, unsigned short
+    ['vVertexCount', 'H'],
+    ['heightVertexCount', 'H']
+])
+
+INDEX_DATA16 = OrderedDict([
+    ['triangleCount', 'I'],
+    ['indices', 'H']
+])
+INDEX_DATA32 = OrderedDict([
+    ['triangleCount', 'I'],
+    ['indices', 'I']
+])
+
+EDGE_INDICES16 = OrderedDict([
+    ['westVertexCount', 'I'],
+    ['westIndices', 'H'],
+    ['southVertexCount', 'I'],
+    ['southIndices', 'H'],
+    ['eastVertexCount', 'I'],
+    ['eastIndices', 'H'],
+    ['northVertexCount', 'I'],
+    ['northIndices', 'H']
+])
+EDGE_INDICES32 = OrderedDict([
+    ['westVertexCount', 'I'],
+    ['westIndices', 'I'],
+    ['southVertexCount', 'I'],
+    ['southIndices', 'I'],
+    ['eastVertexCount', 'I'],
+    ['eastIndices', 'I'],
+    ['northVertexCount', 'I'],
+    ['northIndices', 'I']
+])