Adding support for Baseline ASCII TIFFs

Mapping the Baseline ASCII TIFF Tags to an ASCII data type to allow for writing of them.

#430

Author: timhj

src/globals.js

@@ -134,6 +134,9 @@ export const fieldTagTypes = {
   258: 'SHORT',
   259: 'SHORT',
   262: 'SHORT',
+  270: 'ASCII',
+  271: 'ASCII',
+  272: 'ASCII',
   273: 'LONG',
   274: 'SHORT',
   277: 'SHORT',
@@ -148,6 +151,7 @@ export const fieldTagTypes = {
   297: 'SHORT',
   305: 'ASCII',
   306: 'ASCII',
+  315: 'ASCII',
   338: 'SHORT',
   339: 'SHORT',
   513: 'LONG',
@@ -158,6 +162,7 @@ export const fieldTagTypes = {
   2049: 'ASCII',
   3072: 'SHORT',
   3073: 'ASCII',
+  33432: 'ASCII',
   33550: 'DOUBLE',
   33922: 'DOUBLE',
   34264: 'DOUBLE',