- Adds SCMeshingOperation, which allows you to create a connected mes…

…h from a point cloud

- Fixes point cloud normals being flipped

StandardCyborgFusion/StandardCyborgFusion.framework/Headers/SCMeshingOperation.h

@@ -0,0 +1,72 @@
+//
+//  SCMeshingOperation.h
+//  StandardCyborgFusion
+//
+//  Copyright © 2019 Standard Cyborg. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+extern NSString * const SCMeshingAPIErrorDomain;
+
+/**
+ Error codes within SCMeshingAPIErrorDomain
+ These are only reported for Standard Cyborg API usage
+ */
+typedef NS_ENUM(NSUInteger, SCMeshingAPIError) {
+    SCMeshingAPIErrorInvalidAPIKey = 1,
+    SCMeshingAPIErrorExceededMeshingCountLimit = 2
+};
+
+
+@interface SCMeshingOperation : NSOperation
+
+- (instancetype)init NS_UNAVAILABLE;
+
+- (instancetype)initWithInputPLYPath:(NSString *)inputPath
+                       outputPLYPath:(NSString *)outputPath;
+
+/**
+ Set this to be informed about the progress of the meshing operation.
+ @param progress From 0.0-1.0
+ */
+@property (nonatomic, copy) void (^progressHandler)(float progress);
+
+/**
+ If non-nil, the error that occurred when performing this operation.
+ */
+@property (nonatomic, nullable) NSError *error;
+
+#pragma mark - Tuning parameters
+
+/**
+ The resolution of the reconstructed mesh vertices.
+ Higher values will result in more vertices per meshes,
+ and also take longer to reconstruct.
+ Range is 1-10, default is 5.
+ */
+@property (nonatomic) int resolution;
+
+/**
+ The smoothness of the reconstructed mesh vertex positions.
+ Range is 1-10, default is 2.
+ */
+@property (nonatomic) int smoothness;
+
+/**
+ The amount of surface trimming for low-density mesh regions.
+ Range is 0-10, default is 5. Higher numbers trim more away.
+ 0 = don't trim.
+ */
+@property (nonatomic) int surfaceTrimmingAmount;
+
+/**
+ If YES, attempts to build a closed mesh. Defaults to YES.
+ */
+@property (nonatomic) BOOL closed;
+
+@end
+
+NS_ASSUME_NONNULL_END

StandardCyborgFusion/StandardCyborgFusion.framework/Headers/StandardCyborgFusion.h

@@ -18,6 +18,7 @@ FOUNDATION_EXPORT const unsigned char StandardCyborgFusionVersionString[];
 
 #import <StandardCyborgFusion/CVPixelBufferHelpers.h>
 #import <StandardCyborgFusion/SCAssimilatedFrameMetadata.h>
+#import <StandardCyborgFusion/SCMeshingOperation.h>
 #import <StandardCyborgFusion/SCPointCloud.h>
 #import <StandardCyborgFusion/SCPointCloud+FileIO.h>
 #import <StandardCyborgFusion/SCPointCloud+Metal.h>

StandardCyborgUI/StandardCyborgUI/PointCloudCommandEncoder.metal

@@ -46,7 +46,7 @@ vertex ProjectedVertex RenderSCPointCloudVertex(Vertex v [[stage_in]],
 
     float3 viewPosition = (uniforms->modelView * float4(v.position, 1)).xyz;
     float3 normal = normalize(uniforms->normalMatrix * v.normal);
-    float pointSize = (normal.z < 0 && v.weight > 0.0) ? (uniforms->pointSize * fadeIn) : 0;
+    float pointSize = (normal.z > 0 && v.weight > 0.0) ? (uniforms->pointSize * fadeIn) : 0;
 
     // Eye vector is implicitly at the origin since we're in view coordinates
     float3 positionRelEye = normalize(viewPosition);