Change int to float for colormap mapping

This fixes a bug when using correlation coefficient

diff --git a/src/plugins/radar-info.h b/src/plugins/radar-info.h
index db0e127161b84d3b1188eee621afbe7c0bace955..100c7bd0fa9c43810856569d245d2d1d009e9c10 100644 (file)
--- a/src/plugins/radar-info.h
+++ b/src/plugins/radar-info.h
@@ -33,7 +33,7 @@ typedef struct {
 
 extern AWeatherColormap colormaps[];
 
-static inline guint8 *colormap_get(AWeatherColormap *colormap, int value)
+static inline guint8 *colormap_get(AWeatherColormap *colormap, float value)
 {
        int idx = value * colormap->scale + colormap->shift;
        return colormap->data[CLAMP(idx, 0, colormap->len)];