Latest Contributions by FC_Basson

You are obviously working with a shapefile.  Working with fields in shapefiles by adding a field in ArcCatalog—Help | ArcGIS for Desktop Precision—The number of digits that can be stored in a number field. For example, the number 56.78 has a precision of 4. Scale—The number of digits to the right of the decimal point in a number in a field of type float or double. For example, the number 56.78 has a scale of 2. Scale is only used for float and double field types. Increase your precision to somehing ilke 6 and set your scale to 2/3. Another good reason to work with FGDB feature classes instead. ... View more

With a bit of Python coding you should be able to do it. To create point features from your lines' vertices without an Advanced Licence, you need to iterate the feature parts of each line and write the points to a different feature class.  There is an example how to do this here (Read polyline geometry​) and write to the new feature class with the Insert Cursor. For your situation where the vertices might be far apart, you probably need to break the line features up into equal length smaller segments - for this you can use the positionAlongLine method (find usage instructions on this page) in an iteration to determine how far along the line the point should be. Once you have your segmented feature points for each line (in different feature classes), you can check which two points from each line points feature class are the closest to one another, take the geometric centre of them and create an array of these points to create a line feature again. You can try this code to create the centre line points: import arcpy # point layers loaded in your dataframe pnts1 = arcpy.mapping.Layer("line1_pnts") pnts2 = arcpy.mapping.Layer("line2_pnts") # create search cursor to iterate through first layer scur = arcpy.SearchCursor(pnts1) row = scur.next() closestPnt = 0 closestPntID = 0 cenPnts = [] ctr=0 while row:      shp = row.shape    geom = shp.getPart()    print "Geom1 - " + str(row.FID) + ": " + str(geom.X) + ":" + str(geom.Y)    mindist = 9999    tmpdist = 9999     # search cursor for feature in second line point layer    scur2 = arcpy.SearchCursor(pnts2)    row2 = scur2.next()    geom2X = 0    geom2Y = 0    while row2:       shp2 = row2.shape       geom2 = shp2.getPart()       # check distance between points first and second layer and find closest point       tmpdist = shp.distanceTo(shp2)       if tmpdist < mindist:          mindist = tmpdist          closestPnt = shp2          closesPntID = row2.FID          geom2X = geom2.X          geom2Y = geom2.Y       row2 = scur2.next()    del scur2    print "Geom2 - " + str(closesPntID) + ": " + str(closestPnt.getPart().X) + ":" + str(closestPnt.getPart().Y)      print "Dist: " + str(mindist)    if shp != closestPnt:       # calculate geometric centre of two points closest to each other       cenX = (geom.X + geom2X) / 2       cenY = (geom.Y + geom2Y) / 2       midpnt = arcpy.Point(cenX, cenY)       # create mid line point       ptGeometry = arcpy.PointGeometry(point)       print "Mid1 >> " + str(cenX) + ":" + str(cenY)                 # add point to array       cenPnts.append(midpnt)     row = scur.next()    ctr += 1 del scur # write list of points to new point feature class ("cenlinepnts" - create point feature class and load into dataframe) for centre line inscur = arcpy.InsertCursor("cenlinepnts") insrow = inscur.newRow() for p in cenPnts:    insrow.shape = p    inscur.insertRow(insrow) del inscur There might be more efficient ways, but for this you don't need an Advanced licence. ... View more

You'll need publishing permission on ArcGIS Server too, so chat to the server admin about that.  Here is a tutorial page for publishing printing services. As for the overview map, you can read up on using an extent indicator‌.  Basically you will need an additional data frame in your MXD - one for the main map and one for showing the overview map.  Once you've finalised your MXD with an overview map, it must be added to the print templates folder and the print service must be republished. ... View more