Latest Contributions by EricMai

That may make things easier.  But wondering how the grid would be numbered then?  Or if there is a way to choose on which side of the baseline the grid is drawn? ... View more

Hi Brian, I've encountered an issue using the tool.  My baseline starts at the upper corner of the red polygon and goes down and to left.  When I run the tool, it only creates a single line of grid points along that edge within the polygon.  Does the tool only draw in one direction from the baseline?? ... View more

Hi Brian. Yes, I'm unfamiliar with GitHub.  Can you explain how I would load these tools to arcmap?  I've added the toolbox but there is some kind of error when I run the tool.   Executing: ShovelTest_Tool "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb\ShovelTestBaseline" "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb\ShovelTestArea" "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb" grid_poly grid_point 50 50 Start Time: Sun Aug 13 10:12:13 2017 Running script ShovelTest_Tool... Parameter: baseline = C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb\ShovelTestBaseline Parameter: template = C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb\ShovelTestArea Parameter: output_workspace = C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb Parameter: output_polygon_features = grid_poly Parameter: output_point_features = grid_point Parameter: grid_cell_width = 50 Parameter: grid_cell_height = 50 baseline origin: -8609652,4521015 end: -8609420,4521206 Delete failed on "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb\grid_point". ERROR 000464: Cannot get exclusive schema lock.  Either being edited or in use by another application. Failed to execute (Delete). Delete failed on "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\Features.gdb\grid_poly". ERROR 000464: Cannot get exclusive schema lock.  Either being edited or in use by another application. Failed to execute (Delete). Grid size will be (4 x 7) Traceback (most recent call last):   File "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\shoveltest-master\shoveltesttool.py", line 127, in execute     makegrid(baseline_fc, template_fc, workspace, output_poly, output_point, width, height)   File "C:\Users\ericv\Documents\ArcGIS\Web Maps\Mechanicsville, Virginia\shoveltest-master\shoveltest.py", line 153, in makegrid     cursor_pt.insertRow([p1, label]) RuntimeError: Cannot find field 'label' Failed to execute (ShovelTest_Tool). Failed at Sun Aug 13 10:12:13 2017 (Elapsed Time: 0.41 seconds) ... View more

Brian, this is exactly what I am looking for!  I would love to see the code you used.  Did you create a workflow model for the tool?  Thank you thank you for this.   ... View more

I guess it could be a centroid.  You're right.  It achieves the same distance between points.  It's just how I've always hand drawn it.     What duplicates would there be though? ... View more

https://drive.google.com/open?id=0B9EAL0oxgEMwXzdFN3h4c1I0azA I attached a link to a sketch of what I'm looking to do.  Project areas are often not perfect rectangular grids so sometimes the grid is somewhat amorphous.  An X axis is the Transect # (1,2,3,4...) and the Y axis is Shovel Test # (1,2,3,4...).  From one 1,2 to 1,1, the distance is 50 feet, so yes, one block is 50' square.   So at each intersection, we are digging a shovel test pit and recording information.  Mainly measurements, soil type, and artifact presence, if any.  I want to have a GPS coordinate using WGS84 for each point so field surveyors can walk straight to that point without having to manually sight with compasses.  So the GPS is generated in ArcMap before even heading out into the field.   I hope that is a little bit clearer. Thanks Brian. ... View more