Moved from gim to gg for image creation

convert.go

@@ -14,7 +14,7 @@ import (
 
 /*
 P2gc - Portal code to galactic coordinates
-Requires 1 var and returns 1 var string
+Requires 1 var and returns 1 var string and an error
 	var p string
 		Portal Glyph hex string 12 chars in len (ex. 006afa556c30)
 	Return var string
@@ -27,19 +27,19 @@ func P2gc(p string) (gc string, err error) {
 		var coord [4]int64
 		coord[1], err = strconv.ParseInt(p[4:6], 16, 16) // Y coordinate
 		if err != nil {
-			panic(err)
+			return "", errors.New("error parsing intergers from string: [4:6]")
 		}
 		coord[2], err = strconv.ParseInt(p[6:9], 16, 16) // Z cooridnate
 		if err != nil {
-			panic(err)
+			return "", errors.New("error parsing intergers from string: [6:9]")
 		}
 		coord[3], err = strconv.ParseInt(p[9:12], 16, 16) // X coordinate
 		if err != nil {
-			panic(err)
+			return "", errors.New("error parsing intergers from string: [9:12]")
 		}
 		coord[0], err = strconv.ParseInt(p[1:4], 16, 16) // SSI (Star System Identifier)
 		if err != nil {
-			panic(err)
+			return "", errors.New("error parsing intergers from string: [1:4]")
 		}
 
 		// apply shifts to Handle the shape/boundaries of the galaxy
@@ -72,13 +72,16 @@ Requires 1 string and 1 int returns a string and error
 		Galactic address (ex. 042F:0079:0D55:006A)
 	var p int
 		Planet ID [1-6]
-	Return var string
+	Return portalcode string
 		Portal Glyph hex string 12 chars in len (ex. 006afa556c30)
 */
 func Gc2p(gc string, p int) (portalcode string, err error) {
 	// split and store string
 	// coords[0] == X; coords[1] == Y coords[2] == Z;
 	// coords[3] == SSI coords[4] == P
+	if len(gc) != 19 {
+		return "", errors.New("galatic code is the wrong length")
+	}
 	if p > 6 {
 		p = 1
 	}
@@ -91,23 +94,23 @@ func Gc2p(gc string, p int) (portalcode string, err error) {
 	var hexCoords [5]int64
 	hexCoords[0], err = strconv.ParseInt(coords[4], 16, 16) // P
 	if err != nil {
-		panic(err)
+		return "", errors.New("error parsing intergers from string: [4]")
 	}
 	hexCoords[1], err = strconv.ParseInt(coords[3], 16, 16) // SSI
 	if err != nil {
-		panic(err)
+		return "", errors.New("error parsing intergers from string: [3]")
 	}
 	hexCoords[2], err = strconv.ParseInt(coords[1], 16, 16) // Y
 	if err != nil {
-		panic(err)
+		return "", errors.New("error parsing intergers from string: [1]")
 	}
 	hexCoords[3], err = strconv.ParseInt(coords[2], 16, 16) // Z
 	if err != nil {
-		panic(err)
+		return "", errors.New("error parsing intergers from string: [2]")
 	}
 	hexCoords[4], err = strconv.ParseInt(coords[0], 16, 16) // X
 	if err != nil {
-		panic(err)
+		return "", errors.New("error parsing intergers from string: [0]")
 	}
 
 	// Apply shifts to Handle the shape/boundaries of the galaxy
@@ -130,5 +133,5 @@ func Gc2p(gc string, p int) (portalcode string, err error) {
 			portalcode = portalcode + fmt.Sprintf("%03X", hexCoords[n])
 		}
 	}
-	return portalcode, err // return formated string and error
+	return // return formated string and error
 }