diff --git a/orx-fx/src/commonMain/kotlin/distort/PolarToRectangular.kt b/orx-fx/src/commonMain/kotlin/distort/PolarToRectangular.kt
index 3fece00b..81bbe775 100644
--- a/orx-fx/src/commonMain/kotlin/distort/PolarToRectangular.kt
+++ b/orx-fx/src/commonMain/kotlin/distort/PolarToRectangular.kt
@@ -6,12 +6,21 @@ import org.openrndr.draw.MagnifyingFilter
 import org.openrndr.draw.MinifyingFilter
 import org.openrndr.extra.fx.fx_polar_to_rectangular
 import org.openrndr.extra.fx.mppFilterShader
+import org.openrndr.extra.parameters.BooleanParameter
 import org.openrndr.extra.parameters.Description
 import org.openrndr.extra.parameters.Vector2Parameter
 import org.openrndr.math.Vector2
 
 @Description("Polar to rectangular")
 class PolarToRectangular : Filter(mppFilterShader(fx_polar_to_rectangular, "polar-to-rectangular")) {
+    @BooleanParameter("log polar")
+    var logPolar:Boolean by parameters
+
+    init {
+        logPolar = true
+    }
+
+
     var bicubicFiltering = true
     override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
         if (bicubicFiltering && source.isNotEmpty()) {
diff --git a/orx-fx/src/commonMain/kotlin/distort/RectangularToPolar.kt b/orx-fx/src/commonMain/kotlin/distort/RectangularToPolar.kt
index 9082d513..9a1d5ffd 100644
--- a/orx-fx/src/commonMain/kotlin/distort/RectangularToPolar.kt
+++ b/orx-fx/src/commonMain/kotlin/distort/RectangularToPolar.kt
@@ -6,12 +6,23 @@ import org.openrndr.draw.MagnifyingFilter
 import org.openrndr.draw.MinifyingFilter
 import org.openrndr.extra.fx.fx_rectangular_to_polar
 import org.openrndr.extra.fx.mppFilterShader
+import org.openrndr.extra.parameters.BooleanParameter
 import org.openrndr.extra.parameters.Description
 import org.openrndr.extra.parameters.Vector2Parameter
 import org.openrndr.math.Vector2
+import kotlin.math.log
 
 @Description("Rectangular to polar")
 class RectangularToPolar : Filter(mppFilterShader(fx_rectangular_to_polar, "rectangular-to-polar")) {
+
+    @BooleanParameter("log polar")
+    var logPolar:Boolean by parameters
+
+    init {
+        logPolar = true
+    }
+
+
     var bicubicFiltering = true
     override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
         if (bicubicFiltering && source.isNotEmpty()) {