diff --git a/src/App.js b/src/App.js
index 2739f81..7184bc2 100644
--- a/src/App.js
+++ b/src/App.js
@@ -26,7 +26,7 @@ class App extends Component {
     constructor(props) {
         super(props);
         this.state = {
-            numPoints: 2500,
+            numPoints: 1000,
             backgroundColor:"#fdfdfd", // doesn't work with white or black -- strange
             circleSpacing: 3,
             shape: 'triangles',
@@ -193,7 +193,7 @@ class App extends Component {
             circleSpacing: this.state.shape !== "circles",
             smoothIters: this.state.smoothType === "none",
             contrastIters: this.state.smoothType === "none", 
-            backgroundColor: this.state.shape != "circles" && this.state.fill ? true : false
+            backgroundColor: this.state.shape !== "circles" && this.state.fill ? true : false
         }
 
         return (
diff --git a/src/ControlPanel.js b/src/ControlPanel.js
index 8088d36..4f91d44 100644
--- a/src/ControlPanel.js
+++ b/src/ControlPanel.js
@@ -110,7 +110,6 @@ class ControlPanel extends Component {
                                           </div>
                                     break;
                                 case 'slider':
-                    
                                     ele = <div key={ control.id } className="sliderWrapper">
                                             { (control.getDisabled === undefined || (control.getDisabled !== undefined && !control.getDisabled(this.props.disabled[control.id]))) &&
                                               <div>
@@ -122,6 +121,18 @@ class ControlPanel extends Component {
                                               </div> }
                                           </div>
                                     break;
+                                case 'logslider':
+                                    ele = <div key={ control.id } className="sliderWrapper">
+                                            { (control.getDisabled === undefined || (control.getDisabled !== undefined && !control.getDisabled(this.props.disabled[control.id]))) &&
+                                              <div>
+                                                <label>
+                                                  { control.getLabel(this.props.status[control.id]) }
+                                                </label>
+                                                <Slider id={ control.id } min={ 0 } max={ 100 } step={ 0.25 } onChange={ (e, val) => this.handleSliderChange(control.id, Math.round(Math.pow(10,(val/25+1)))) } onDragStop={ (e) => this.props.update(e, control.id, this.state[control.id]) }
+                                                  defaultValue={ Math.log10(this.props.status[control.id])*25-25 } sliderStyle={ this.state.styles.slider } />
+                                              </div> }
+                                          </div>
+                                    break;                                    
                                 case 'checkbox':
                                     ele = <div key={ control.id }>
                                             { (control.getDisabled === undefined || (control.getDisabled !== undefined && !control.getDisabled(this.props.disabled[control.id]))) &&
diff --git a/src/ControlSettings.js b/src/ControlSettings.js
index c9368e8..ec4526b 100644
--- a/src/ControlSettings.js
+++ b/src/ControlSettings.js
@@ -24,11 +24,10 @@ const ControlSettings = [{
     }]
 }, {
     id: 'numPoints',
-    type: 'slider',
+    type: 'logslider',
     getLabel: (num) => "# of Points: " + num,
     min: 10,
-    max: 50000,
-    step: 100
+    max: 100000
 },
 {
     id: 'fitToScreen',
diff --git a/src/PolygonUtils.js b/src/PolygonUtils.js
index 2218fb8..f95ca4d 100644
--- a/src/PolygonUtils.js
+++ b/src/PolygonUtils.js
@@ -123,38 +123,20 @@ const PolygonUtils = {
         let weight = 0;
         let counter = 0;
         for (let iW =0; iW < width; ++iW) {
-            if (iW % 2 === 0) {
-                for (let iH=0; iH < height; ++iH) {
-                    weight = weights[counter];
-                    ++counter; // note: counter = iW*height+iH; but this is a little faster?
-                    if (weight > 0.0) {
-                        site = diagram.find(iW, iH).index; // find which polygon contains this pixels
-                        if (weightedCentroidData[site][2] === 0.0) {
-                            weightedCentroidData[site][0] = weight*iW;
-                            weightedCentroidData[site][1] = weight*iH;
-                        } else {
-                            weightedCentroidData[site][0] += weight*iW;
-                            weightedCentroidData[site][1] += weight*iH;
-                        }
-                        weightedCentroidData[site][2] += weight;
+            for (let iH=0; iH < height; ++iH) {
+                weight = weights[counter];
+                ++counter; // note: counter = iW*height+iH; but this is a little faster?
+                if (weight > 0.0) {
+                    site = diagram.find(iW, iH).index; // find which polygon contains this pixels
+                    if (weightedCentroidData[site][2] === 0.0) {
+                        weightedCentroidData[site][0] = weight*iW;
+                        weightedCentroidData[site][1] = weight*iH;
+                    } else {
+                        weightedCentroidData[site][0] += weight*iW;
+                        weightedCentroidData[site][1] += weight*iH;
                     }
-                }
-            } else {
-                for (let iH=height-1; iH >= 0; --iH) {
-                    weight = weights[counter];
-                    ++counter; // note: counter = iW*height+iH; but this is a little faster?
-                    if (weight > 0.0) {
-                        site = diagram.find(iW, iH).index; // find which polygon contains this pixel
-                        if (weightedCentroidData[site][2] === 0.0) {
-                            weightedCentroidData[site][0] = weight*iW;
-                            weightedCentroidData[site][1] = weight*iH;
-                        } else {
-                            weightedCentroidData[site][0] += weight*iW;
-                            weightedCentroidData[site][1] += weight*iH;
-                        }
-                        weightedCentroidData[site][2] += weight;
-                    }
-                }
+                    weightedCentroidData[site][2] += weight;
+                }            
             }
         }
 
@@ -169,7 +151,7 @@ const PolygonUtils = {
         let snappedAny = false;
         // Sites that edges of Voronoi cells that lie on the perimeter of
         // the polygon will be snapped to the perimeter.
-        diagram.edges.map(function(edge) {
+        diagram.edges.forEach(function(edge) {
             // Perimeter edges don't have a neighboring Voronoi site.
             if (typeof edge.right === 'undefined') {
                 // If the site has already been snapped to the perimeter, skip it.
diff --git a/src/Resampler.js b/src/Resampler.js
index 3f2b980..860f9b7 100644
--- a/src/Resampler.js
+++ b/src/Resampler.js
@@ -113,14 +113,8 @@ class Resampler {
         this.weights = []; 
         if (this.smoothType === 'contrastWeighted') {
             for (let iW =0; iW < this.width; ++iW) {
-                if (iW % 2  === 0) {
-                    for (let iH=0; iH < this.height; ++iH) {
-                        this.weights.push(this.approximateGradient(iW, iH, 1) + 1.0);
-                    }
-                } else {
-                    for (let iH=this.height-1; iH >= 0; --iH) {
-                        this.weights.push(this.approximateGradient(iW, iH, 1) + 1.0);
-                    }
+                for (let iH=0; iH < this.height; ++iH) {
+                    this.weights.push(this.approximateGradient(iW, iH, 1) + 1.0);
                 }
             }
             // only need to redo the smoothing if we are using weighted smoothing