increased series approximation terms at low zoom levels to avoid rare issue

Author: jackyarndley

high.toml

@@ -1,7 +1,7 @@
-image_width = 1920
-image_height = 1080
+image_width = 2000
+image_height = 2000
 rotate = 0
-approximation_order = 64
+approximation_order = 32
 glitch_tolerance = 0.001
 frames = 1
 frame_offset = 0
@@ -10,4 +10,4 @@ display_glitches = false
 auto_adjust_iterations = true
 probe_sampling = 3
 remove_centre = true
-export = "png"
+export = "both"

src/renderer.rs

@@ -254,9 +254,9 @@ impl FractalRenderer {
 
             if self.zoom.to_float() < 1e10 {
                 // SA has some problems with precision with lots of terms at lot zoom levels
-                if self.series_approximation.order > 3 {
+                if self.series_approximation.order > 8 {
                     // Overwrite the series approximation order
-                    self.series_approximation.order = 3;
+                    self.series_approximation.order = 8;
                     self.series_approximation.maximum_iteration = self.center_reference.current_iteration;
                     self.series_approximation.generate_approximation(&self.center_reference);
                 }