fix plot grid for non-integer zoom factors
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@@ -512,8 +512,8 @@ void Plot::plotGridLines(QPainter *painter, QRect r) {
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offset %= PlotGridX;
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offset %= PlotGridX;
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if (offset < 0) offset += PlotGridX;
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if (offset < 0) offset += PlotGridX;
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int i;
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double i;
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int grid_delta_x = (int)(PlotGridX * GraphPixelsPerPoint);
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double grid_delta_x = PlotGridX * GraphPixelsPerPoint;
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int grid_delta_y = PlotGridY;
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int grid_delta_y = PlotGridY;
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if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
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if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
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