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Welcome to the July 2018 OptiSurface Newsletter.

The News Of The Month shows OptiSurface at agricultural shows, in the press and at our African training workshop.

The Design Of The Month demonstrates how to design erosion control contour banks.

The Feature Of The Month discusses the OptiSurface Designer's Project Properties.

If you have any problems or questions please reply to this email or call me on +61 405-686-425 (Australia) or Preston on +1 870-340-2020 (USA).


 
Regards
Graeme Cox & The OptiSurface Team
DAVCO OptiSurface
Mobile: +61 405 686 425   Skype: graemejcox
Web:  www.optisurface.com  
News: www.twitter.com/OptiSurface
"Celebrating 750,000 Acres of Optimized Agricultural Earthworks"

P.S.
If you haven't taken advantage of OptiSurface yet, we're offering a special service where we will take your topographic data for a field and conduct some FREE analysis and design.  Go here to find out more: http://www.optisurface.com/nlt/
News Of The Month

From our Twitter and Facebook feeds.

OptiSurface‏ @OptiSurface May 21

Impressed by the AgriDrainage’s Tent at NAMPO Show, South Africa. Leading the way with OptiSurface Landforming in Africa.

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OptiSurface‏ @OptiSurface Jun 4

New study finds up to a 45% yield loss for corn standing in water for only 4 days. Solve this with http://OptiSurface.com

http://www.cornandsoybeandigest.com/corn/young-corn-wet-feet-what-can-we-expect

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OptiSurface‏ @OptiSurface Jun 14

Study reveals: Farmed potholes or depressions lose money in 66% of years and even tilling them does not solve the problem. Fix them with http://OptiSurface.com
http://www.cornandsoybeandigest.com/water/manage-farmed-potholes


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OptiSurface‏ @OptiSurface Jun 20

Optimum Surface Landforming Workshop in Africa sold out. Thanks to all attendees for a great few days. Good to meet existing and new clients and to work on some of your trickier fields. If you're interested in attending live training learn more here: http://www.optisurface.com/trainingworkshop/


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OptiSurface‏ @OptiSurface Jun 28

OptiSurface Testimonial: "Continuously Variable Grade (CVG) change is a breakthrough technology". "All the analytic tools (like Drainage Analysis) helps you refine the design" Alasdair Harris, South Africa.


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Design Of The Month
Erosion Control Contour Banks Design Using OptiLine

A client in Queensland wanted to fix the contour banks on his field. There were already some contour banks in place but they wanted the elevations on them fixed and also looking to add more contour banks.

Google Earth Image

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Existing Topography

He only surveyed where the contour banks will be located as the other areas won't be touched.

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Proposed Topography

The approach was to use OptiLine to calculate the elevations for the contour banks. But to do that, there must first be a working surface.

An OptiSurface 4Way without any parameters (only grid spacing) was used to create the working Proposed Topography.

Breaklines were then added and an OptiLine was calculated using the parameters shown below.

Finally, the OptiLine was offset to create a wide flat surface so the machine control file will pick up the points. The operator will use the centerline to cut the channel base and then use vertical and horizontal offsets to batter (slope) up the contour bank to the required height (Eg 700mm).

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OptiLine Parameters

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Contour Bank Long Section

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Feature Of The Month
Overview:  Project properties are high level details of the current OptiSurface Designer design file (*.osd).

Displayed by:

Menu: Tools > Project Properties
Or
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Appearance:


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Client, Farm and Field and Notes:  Text to assist in recording information about the OptiSurface Design.  These details are also printed in the design report (Tools > Design Report).

Vertical Exaggeration Factor:
Vertical Exaggeration shows the appearance of the terrain to be more pronounced than actual.  It is set when the survey is imported based on the vertical variation of the points.  In Optisurface Designer V2, this factor is calculated automatically and cannot be changed.


Maximum Triangulation Length:  This is the maximum distance that triangles will be formed between points.  This essentially limits surface extents to areas with points within this distance.  100m or 300ft is typical but can be set between 50m to 10000m or 150ft to 10000ft.

Example: The image below shows the default Maximum Triangulation Length of 100m (300ft). The survey points only covered the contour banks so the spacing is sparse. Adjusting this to 500m resulted to the Existing Topography shown above in the Design of the Month.

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Main Slope Arrow (%):  Change the size of the Main Slope Arrow in the Map Window by editing this number.

Master Benchmark: Shows details of the Master Benchmark. During export it is used as the reference point around which all data points are defined. Only advanced users should change these values.

The Coordinate System drop down should generally be set to 'Local' when survey files are imported with a local coordinate system (eg Trimble Field Level2 multiplane.txt survey file ) or UTM when the survey data was imported with Latitude/Longitude (.ags or .shp files) or UTM Easting and Northing coordinates (.xyz)

Warning: Mixing different coordinate systems from different machine control and survey equipment can produce problems.  To learn more click here.
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Classifieds
We have clients looking for experienced earthmoving operators in Africa, France, Australia and USA. If you're interested, contact support@optisurface.com
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DAVCO OptiSurface Pty Ltd, 70 Bosun Pde, Gold Coast Queensland 4214, Australia — Unsubscribe


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