File:FermatSpiral.png
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FermatSpiral.png (600 × 450 pixels, file size: 45 KB, MIME type: image/png)
def _calculate_position(self, radius, icon_size, index, children_count): width, height = self.box.get_allocation() # include an offset (8) to the index # so that the center of the spiral is left blank # angle = n * 137.5 degree or 2.4 radians angle = (index + 8) * 2.4 # radius = constant * sqrt(n) radius = (_MINIMUM_RADIUS / 5) * math.sqrt(index + 8) x = radius * math.cos(angle) + (width - icon_size) / 2 y = radius * math.sin(angle) + (height - icon_size - style.GRID_CELL_SIZE) / 2 return x, y
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:16, 9 September 2008 | 600 × 450 (45 KB) | Walter (talk | contribs) |
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