feat: closes #24

logic/models/run.go

@@ -110,7 +110,7 @@ func handleRun(handle *Handle) {
 
 		root := tg.NewRoot()
 
-		tf_img := ReadPNG(root, path.Join(run_path, "img.png"), 3)
+		tf_img := ReadPNG(root, path.Join(run_path, "img.png"), int64(model.ImageMode))
 
         exec_results := tg.Exec(root, []tf.Output{tf_img.Value()}, nil, &tf.SessionOptions{})
         inputImage, err:= tf.NewTensor(exec_results[0].Value())
@@ -130,8 +130,6 @@ func handleRun(handle *Handle) {
         vi := 0
         var predictions = results[0].Value().([][]float32)[0]
 
-        fmt.Println(predictions)
-
         for i, v := range predictions {
             if v > vmax {
                 vi = i
@@ -155,7 +153,6 @@ func handleRun(handle *Handle) {
         var name string
         if err = rows.Scan(&name); err != nil { return nil }
 
-
         LoadDefineTemplate(w, "/models/edit.html", "run-model-card", c.AddMap(AnyMap{
             "Model": model,
             "Result": name,

logic/models/train/train.go

@@ -19,26 +19,11 @@ import (
 
 func MakeDefenition(db *sql.DB, model_id string, target_accuracy int) (id string, err error) {
 	id = ""
-	_, err = db.Exec("insert into model_definition (model_id, target_accuracy) values ($1, $2);", model_id, target_accuracy)
+    rows, err := db.Query("insert into model_definition (model_id, target_accuracy) values ($1, $2) returning id;", model_id, target_accuracy)
-	if err != nil {
+	if err != nil { return }
-		return
-	}
-
-	rows, err := db.Query("select id from model_definition where model_id=$1 order by created_on DESC;", model_id)
-	if err != nil {
-		return
-	}
     defer rows.Close()
-
+	if !rows.Next() { return id, errors.New("Something wrong!") }
-	if !rows.Next() {
-		return id, errors.New("Something wrong!")
-	}
-
 	err = rows.Scan(&id)
-	if err != nil {
-		return
-	}
-
     return
 }
 
@@ -103,7 +88,7 @@ func generateCvs(handle *Handle, run_path string, model_id string)  (count int,
     return
 }
 
-func trainDefinition(handle *Handle, model_id string, definition_id string) (accuracy float64, err error) {
+func trainDefinition(handle *Handle, model *BaseModel, definition_id string) (accuracy float64, err error) {
 	accuracy = 0
 	layers, err := handle.Db.Query("select layer_type, shape from model_definition_layer where def_id=$1 order by layer_order asc;", definition_id)
 	if err != nil {
@@ -128,14 +113,14 @@ func trainDefinition(handle *Handle, model_id string, definition_id string) (acc
 	}
 
 	// Generate run folder
-	run_path := path.Join("/tmp", model_id, "defs", definition_id)
+	run_path := path.Join("/tmp", model.Id, "defs", definition_id)
 
 	err = os.MkdirAll(run_path, os.ModePerm)
 	if err != nil {
 		return
 	}
 
-    _, err = generateCvs(handle, run_path, model_id)
+    _, err = generateCvs(handle, run_path, model.Id)
     if err != nil { return }
 
 	// Create python script
@@ -153,8 +138,9 @@ func trainDefinition(handle *Handle, model_id string, definition_id string) (acc
 	if err = tmpl.Execute(f, AnyMap{
 		"Layers":  got,
 		"Size":    got[0].Shape,
-		"DataDir": path.Join(getDir(), "savedData", model_id, "data"),
+		"DataDir": path.Join(getDir(), "savedData", model.Id, "data"),
         "RunPath": run_path,
+        "ColorMode": model.ImageMode,
 	}); err != nil {
 		return
 	}
@@ -167,7 +153,7 @@ func trainDefinition(handle *Handle, model_id string, definition_id string) (acc
 	}
 
 	// Copy result around
-	result_path := path.Join("savedData", model_id, "defs", definition_id)
+	result_path := path.Join("savedData", model.Id, "defs", definition_id)
 
 	if err = os.MkdirAll(result_path, os.ModePerm); err != nil {
 		return
@@ -235,7 +221,7 @@ func trainModel(handle *Handle, model *BaseModel) {
 	}
 
 	for _, def := range definitions {
-		accuracy, err := trainDefinition(handle, model.Id, def.id)
+		accuracy, err := trainDefinition(handle, model, def.id)
 		if err != nil {
 			fmt.Printf("Failed to train definition!Err:\n")
 			fmt.Println(err)

logic/models/utils/types.go

@@ -10,6 +10,7 @@ type BaseModel struct {
 	Status int
 	Id     string
 
+	ImageMode int
 	Width     int
 	Height    int
 }
@@ -30,7 +31,7 @@ const (
 var ModelNotFoundError = errors.New("Model not found error")
 
 func GetBaseModel(db *sql.DB, id string) (base *BaseModel, err error) {
-	rows, err := db.Query("select name, status, id, width, height from models where id=$1;", id)
+	rows, err := db.Query("select name, status, id, width, height, color_mode from models where id=$1;", id)
 	if err != nil {
 		return
 	}
@@ -41,10 +42,17 @@ func GetBaseModel(db *sql.DB, id string) (base *BaseModel, err error) {
 	}
 
 	base = &BaseModel{}
-	err = rows.Scan(&base.Name, &base.Status, &base.Id, &base.Width, &base.Height)
+	var colorMode string
+	err = rows.Scan(&base.Name, &base.Status, &base.Id, &base.Width, &base.Height, &colorMode)
 	if err != nil {
 		return nil, err
 	}
 
+	switch colorMode {
+	case "greyscale":
+		base.ImageMode = 1
+	default:
+		panic("unkown color mode")
+	}
 	return
 }

views/py/python_model_template.py

@@ -32,10 +32,7 @@ def pathToLabel(path):
   #return tf.strings.as_string([path])
 
 def decode_image(img):
-  # channels were reduced to 1 since image is grayscale
+  img = tf.io.decode_png(img, channels={{.ColorMode}})
-  # TODO chnage channel number based if grayscale
-  img = tf.io.decode_png(img, channels=3)
-
   return tf.image.resize(img, image_size)
 
 def process_path(path):