The Map Layers panel
Everything in Map Layers: the background (Satellite, US Imagery, None), the Coverage Grid and Benchmarks switches, every layer type the + menu adds, and the layer rows with opacity, show/hide, trash and Clear All.
- Full Automation Kit
- Guidance Only Kit
- Ditch Assist Lite
- DIG™ Kit
In the app Any map › blue layers button › Map Layers
Map Layers controls what is drawn under your live position on every survey and grade map: the background imagery, the app's own coverage and benchmark layers, and any maps you add on top.
Before you start
Time: a minute or two.
- A screen with a map is open: Survey, or the grade screen of any workflow.
- For a WMS layer or Drain-IQ: the tablet is on Wi-Fi with internet (Wi-Fi on the tablet). Everything else works offline.
Open Map Layers
Tap the layers button
Look at the column of dark square buttons at the bottom right of the map. Tap the one with a blue icon of stacked sheets. A window called Map Layers opens.
- Layers button. Dark square, blue stacked-sheets icon. It's the top button when there is no green height button above it.
You should see this window. It has three parts: the background, the app's own layers, and the overlays you add.
1
2
3
4
5
- Background. Satellite, US Imagery or None.
- Coverage Grid. The coloured heatmap of where the blade has been.
- Benchmarks. Saved benchmark flags on the map.
- + (Add Layer). Adds a map on top.
- Overlays. Every layer you have added, one row each.
Change the background
Tap a background chip
The three chips sit under BACKGROUND, at the top of the window. The one in use is filled green. The map behind the window changes at once.
1
- Background chips. Here None is selected: a plain background behind an overlay.
| Chip | What it shows |
|---|---|
| Satellite | Worldwide aerial imagery. The default. |
| US Imagery | US farm imagery (USDA NAIP). US only; sometimes more recent over fields. |
| None | No imagery: a plain background. Clean behind your own overlays, and nothing to download. |
The app remembers your choice. It's the same setting as Default Background in the MAP section of the app's Settings.
Imagery comes over the internet. On the module Wi-Fi you see only imagery already saved on the tablet. See Offline imagery.
App Layers
Each one has a switch at the right. Tap the switch to turn the layer on or off.
- Coverage Grid:
Color-coded heatmap of where the blade has been
. Green is on grade; yellow, orange and red show cutting passes left; blue is overcut. Turn it off to see the imagery under graded ground. It's the same switch as Draw on Map in the GRADING section of Settings. On by default. - Benchmarks:
Saved benchmark flags on the map
. On by default. - Cut/Fill Map Opacity: a slider that shows only while a cut/fill map is drawn (Land Forming). Drag it left to see through the colours.
Add a layer (+)
Tap +
In the top-right corner of the Map Layers window: a green plus sign. A menu of six choices opens.
1
- + (Add Layer). Top-right corner of the window.
Tap the kind of layer you want
What each one adds is in the table below.
The + menu: Add KML, Add WMS, Add Image Overlay, Drain-IQ, My LiDAR Fields, Drainage plan.
| Choice | What it adds |
|---|---|
| Add KML | Lines, shapes and points from a .kml file, drawn in plain blue. KMZ isn't accepted. See Add a map overlay. |
| Add WMS | Live map tiles from an online map server (state or county GIS). Needs internet. See below. |
| Add Image Overlay | A picture with its world file, or one ZIP holding both, such as the owner portal's map ZIP. See Add a map overlay. |
| Drain-IQ | Drainage layers from a Drain-IQ portal page. See below. |
| My LiDAR Fields | Layers of fields you prepared on the tablet. See Saved fields and DEMs. |
| Drainage plan | A plan saved in the Drainage Planner. See Drainage Planner. |
Add WMS
A WMS layer shows live map tiles from an online map server, such as a state or county GIS. Get the server details from whoever runs it. WMS tiles load live and are not saved, so a WMS layer is blank on the module Wi-Fi.
Tap Add WMS
The second line of the + menu. A window called Add WMS Layer opens.
Type a Layer Name
Tap the Layer Name box. The keyboard opens (Typing and the keyboard). Type any name you'll recognise in the list.
Type the Base URL
Tap the Base URL box and type the server address you were given.
Type the Layers
Tap the Layers box and type the layer name or names from the server. All three boxes are needed, or you get
Name, URL, and Layers are required
.Leave the rest unless you were told otherwise
Format: image/png (default) or image/jpeg. CRS: EPSG:3857 (default) or EPSG:4326. Opacity: starts at 70 %. Transparent: on.
Tap Add
At the bottom right of the window. The layer is added as a row with a WMS badge.
1
2
- Layer Name, Base URL, Layers. All three are needed.
- Add. Adds the layer with these settings.
Drain-IQ
Drain-IQ opens a field browser for drainage layers prepared for you on a Drain-IQ portal page. Its address is the Portal URL in the DRAIN-IQ section of the app's Settings. Change it only when Ditch Assist support gives you one. Fetching needs internet.
Tap Drain-IQ
The fourth line of the + menu. A window called Drain-IQ opens. The first time it reads
No fields loaded
.Tap Fetch Field Catalog
The blue button in the middle of the window. The list of fields loads.
Without internet you get
Failed to load catalog
in red, followed by technical error text. Join internet Wi-Fi and tap the button again.
1
- Fetch Field Catalog. Loads the fields from the portal page.
Pick a field and its layers
Use Search fields... to find it. Then choose layers: Field Boundary, Flow Routes, Elevation, Ponding Risk, Depressions, and Offline Tiles (z13-17) for imagery.
Download, then Add to map
Downloaded layers stay on the tablet for offline use. Delete Cached removes them.
To download every field before a trip, use Download All on the Offline Cache row, in the DRAIN-IQ section of Settings. That row's Clear button deletes all downloaded Drain-IQ data after asking Delete All Drain-IQ Data?
. It doesn't touch your LiDAR & Mapping fields or cached imagery. See Map and Drain-IQ settings.
Layer rows
Each added layer gets a row with a badge for its type: KML, WMS, IMG (image overlay), DIQ (Drain-IQ), LDR (your LiDAR fields) or PLN (drainage plan).
1
2
3
4
5
- Arrow. Opens the sliders (pictures, ponding, depressions, Drain-IQ rasters).
- Switch. Hides or shows the layer without removing it.
- Trash (Remove layer). Removes it at once, no question asked.
- Opacity. Lower it to see through.
- Clear All. Removes every overlay at once, no question asked.
- Sliders: pictures start at 100 % and move in 5 % steps. LiDAR ponding also has the cutoff slider (Wet last … Wet first). KML, WMS, flow lines and plans have no arrow.
- Trash and Clear All only take layers off the map. Your files, saved LiDAR fields and plans stay on the tablet. A plan's trash removes the plan's lines, boundary and ponding together.
- Layers can't be renamed or reordered.
If it doesn't work
The background is blank or grey in the field
The module Wi-Fi has no internet and the imagery for this spot isn't cached, or the background is set to None. See Offline imagery.
My layers are gone
The app was closed, or someone tapped Clear All. Add them again; nothing on the tablet was deleted.
A WMS layer shows nothing
WMS needs internet the whole time. Check the Base URL and Layers names, and try the other CRS.
Drain-IQ says Failed to load catalog“Failed to load catalog”
No internet, or the Portal URL is wrong. Connect to internet Wi-Fi and try again; ask support for the right Portal URL.
Picture and KML errors: Add a map overlay.
Did this answer your question?
Thanks. That tells us which pages to improve.
Still stuck? Talk to a product specialist. 1-833-DITCH-AS · support@ditchassist.com · Monday to Friday, 8 a.m.–5 p.m. Central.
Calling about a problem? Send your app logs first so support can see what happened.