DIGITIZING

Maptitude:
 
I started Maptitude, opening 3  new geographic files:  point, line, and area, adding one new field (4byte integer) to each then saving them in my folder in the CTEMP. 

Points:
1. Opened Map Editing Tool Box
2. Used + tool to lay down 10 points.
3. Used LVIEW to capture screen.
4. I then used the delete tool to delete some of the points.
5. Using LVIEW I captured the screen again, editing uneeded information


 
Intersecting Lines Joined at Intersection:
1. In the line layer I used + tool to draw 2 lines (both with 2 segments).
2. I then used the arrow tool to join verticies from both lines.
3. I saved edits and they joined at their intersection.

* The bottom image shows the intersection (of the same two lines) has been moved.

Simple Area and Edit Simple Area:
1. In area layer I used + tool to draw a polygon.
2. Using New Dataview in tool box I entered data into one of the integer fields.
3. After using LVIEW to capture screen I used the arrow tool to reshape the polygon, by clicking on and moving a vertex.
4. I used LVIEW to capture screen and the polygon changes.
Split Polygon:
1. I drew a polygon
2. Then, I drew a line from one edge to the opposite edge and saved edit.  This command split the polygon.
Adjacent Polygons:
1. I drew a polygon.
2. I drew a second polygon whose end verticies began and ended overlapping the first polygon.
Joining Adjacent Polygons:
1. Using my adjacent polygons, I selected the "join areas" tool.
2. I selected both polygons and saved edits.
Perforated Polygons:
1. Drew a polygon.
2. Drew a second smaller polygon inside the first polygon.
3. Engaged the "delete area" tool.
4. Highlighted the inner polygon and saved edits.
Fragmented Polygons:
1. Drew 4 polygons.
2. Engaged "join areas" tool.
3. Selected 3 polygons and saved edits.

* Data View3- area layer shows only two subjects in stead of 4 in order to illustrate fragmented polygons.


 

ArcGIS:
 
I stared ArcGIS, opened ArcCatalogue, and chose CTEMP as the writable file.  Then I opened a new shapefile, type: polygon, named it, and used the + tool to bring in my new layer.  Finally I opened the Editor Tool Bar in order to get started on the tasks.

Simple Area:
1. In the Editor Tool Bar I used the pencil tool to create a polygon.

Split Polygon:
1. I changed the task bar to Auto Complete Polygon.
2. I drew a line from one edge of the existing polygon to another.
Adjacent Polygons:
1. Using the former polygon, I used Auto Complete Polygon in the task bar to draw an adjacent polygon by overlapping the second polygon's end points over the first polygon.
Joined Polygons:
1. I selected both polygons (from previous work).
2. Under editor, in the tool bar,  I chose the merge function.
Perforated Polygon:
1. I used the Create New Feature from the tool bar.
2. I drew polygon #2 (triangle) inside polygon #1.
3. I selected polygon #2 and using the Editor in the tool bar I chose the clip function.
4. I deleted polygon #2.
Using Intersection Tool to Digitize Polygon Referring to Other Polygons:
1. I drew two polygons.
2. I then used the intersect tool in the tool bar to find intersecting points, double clicking to mark those points eventually creating/digitizing a third polygon.

* The tangent line is shown in this image.