From f1720c425d365d561a49fd62c90e010ec310667e Mon Sep 17 00:00:00 2001
From: chn <chn@chn.moe>
Date: Tue, 10 Oct 2023 19:24:32 +0800
Subject: [PATCH] filter value < 0.05 in plot

---
 src/plot.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/plot.cpp b/src/plot.cpp
index 79d05da..81bd3a9 100644
--- a/src/plot.cpp
+++ b/src/plot.cpp
@@ -245,13 +245,16 @@ namespace ufo
     for (unsigned i = 0; i < values[0].size(); i++)
       for (unsigned j = 0; j < values.size(); j++)
       {
-        a[i][j] = values[j][i] * 100 * 255;
+        auto v = values[j][i];
+        if (v < 0.05)
+          v = 0;
+        a[i][j] = v * 100 * 255;
         if (a[i][j] > 255)
           a[i][j] = 255;
-        r[i][j] = 255 - values[j][i] * 2 * 255;
+        r[i][j] = 255 - v * 2 * 255;
         if (r[i][j] < 0)
           r[i][j] = 0;
-        g[i][j] = 255 - values[j][i] * 2 * 255;
+        g[i][j] = 255 - v * 2 * 255;
         if (g[i][j] < 0)
           g[i][j] = 0;
         b[i][j] = 255;