Create Smoothed Contours Using TPI

TPI stands for Topographic Position Index, which is defined as the difference between a central pixel and the mean of its surrounding cells. Choosing this option, OCAD first creates a smoothed DEM using TPI and calculates contours afterwards.

Some details may get lost, but results are very satisfying in constant slopes. Use these contours, if you want to adopt the calculated contour lines directly to your map.

In the DEM Wizard you can create “normal” custom contours (no smoothing) and/ or smoothed contours using TPI in one single step:

  • Choose the desired amount of contour and the interval.
  • Assign a line symbol for each type appears. By default, the first three line symbols in the settings are pre-selected.
  • Click on “Load symbols from template…” to get 12 line symbols at the bottom of your symbol box, which can be used for the settings.
  • Use different symbols for depression to distinguish depressions from hills.

As mentioned in the beginning, TPI contours were derived from a smoothed DEM, means some details will get lost. The following recommendations can be made:

  • For mapping in the terrain, use the custom contour lines as background, where you have all details on it.
  •  To draw contour lines on the PC, first calculate and load the TPI contours and adapt them afterwards where needed. Use the Reshape function for that.
    Especially in steep and constant slops, the biggest part of the TPI contours can be adopted to your map without redrawing. You gain much time like that.

For further information, please visit our Wiki.

OCAD 2018 IS HERE! Efficient and Carefree Team Work

OCAD 2018 has been released. Despite new functions we have used this opportunity to introduce some major changes:

Efficient and Carefree Team Work
Thanks to the subscription option OCAD 2018 for Teams you can transfer your license to others immediately and in an easy way. Everybody involved in your team works with the same and most current version.

Change to the Subscription Model
By introducing the Subscription Model, you can purchase OCAD 2018 for one or three years. During this time, OCAD will constantly be updated with new functions and adapted to the latest standards and developments.

Introductory Offer
As an OCAD 11 or OCAD 12 users, you can profit from an attractive Introductory Offer. Updates of OCAD 11 or OCAD 12 licenses to OCAD 2018 will benefit from 20% or 40% discount until 31.10.2018.

New Homepage
Last but not least: Our homepage www.ocad.com has been renewed from scratch. There you can also download a 21-Day-Trial or the OCAD Viewer for free. Take a look!

All you need to know about OCAD 2018, details on terms and the pricing can be found on our Homepage or in our Frequently Asked Questions (FAQ).

Coming soon: OCAD 2018!

OCAD 2018 will be released soon. The Beta version is available for testing to all OCAD 12 users free of charge. Please visit our new OCAD 2018 Wiki how to download and install it.

Two of many new features available in the OCAD 2018 Beta version:

Stronger smoothing of contour lines in flat areas using the topographic position index (TPI).

Checking the legibility of orienteering maps according ISOM 2017 (minimum distance between objects, minimum line length, minimum area size).

Despite new features, two major changes will be introduced with OCAD 2018:

1. Change to the Subscription Model
As the innovations and technological developments are having faster release processes it is no longer appropriate to release a new version of OCAD with many new features every three years. With regular updates, OCAD 2018 shall be updated with new functions, technological developments and new standards as soon as possible. By introducing the subscription model, you can purchase OCAD for one or three years.

2. Efficient and Carefree Team Work
Thanks to the subscription option “OCAD for Teams” you can transfer your license to others immediately. If you synchronize your OCAD file and installation with a cloud service (e. g. Dropbox, OneDrive etc.) you avoid compatibility problems between different OCAD versions, files and functionality. Everybody involved works with the same and most current version.

All you need to know about OCAD 2018, details on terms and the pricing can be found in our Frequently Asked Questions (FAQ).

For anyone who buys an OCAD 12 license during the Beta period you may choose an update to OCAD 2018 free of charge. The subscription will have a term of 3 years. After its expiration you decide to continue with an OCAD subscription or remain with OCAD 12.

IOF ISSOM 20XX Final Draft for Sprint Orienteering Maps Released

The international Orienteering Federation (IOF) published a final draft of the new International Specification for Sprint Orienteering Maps (ISSOM) in February 2018. OCAD has created a new ISSOM 20XX Final Draft symbol set and released a Service Update for OCAD 12.

OCAD 12 users can download this Service Update via Help menu -> OCAD Service Update. Please close OCAD before installing the Service Update.

The function Symbol Set Conversion updates the map content of old sprint orienteering maps according ISSOM 2007 to ISSOM 20XX Final Draft automatically. This function keeps its old layout (title, logos and other map elements).

Choose Symbol Set Conversion command from the Map menu.

Choose the Symbol Set Orienteering Map ISSOM 20XX Final Draft 4000 and the CRT file ISSOM 2007 to ISSOM 20XX Final Draft if not already chosen by default.

The old ISSOM 2007 symbols are already assigned to a new ISSOM 20XX Final Draft symbol according to the CRT file. Or you can assign each symbol to another one.

Choose the symbols from the old layout which you want to keep in the new ISSOM 20XX Final Draft symbol set.

Click OK to replace the symbol set.

The new ISSOM 20XX Final Draft symbol set is loaded and the chosen layout symbols from the old map are at the top of the symbol box.

Choose the symbols from the old layout which you want to keep in the new ISSOM 20XX Final Draft symbol set.

For more information please read our Wiki.

Access MapAnt WMS in OCAD

One year ago, MapAnt elated the orienteering community by releasing a gigantic automatically generated orienteering map, covering almost every part of Finland. From December 2017 onwards the MapAnt-map can be accessed via WMTS and WMS. OCAD pre-configured the MapAnt WMS in its latest service update. Like this it’s very easy to extend an existing orienteering map.

Requirements

Your OCAD map needs to be georeferenced in the Finnish coordinate system TM35FIN.

Access WMS

Open WMS Web Map Service in the Background Map menu. Choose the pre-configured FI-MapAnt WMS and click on Connect.

The map tiles can be downloaded in png format to your local machine. Change the offline folder as needed and set the resolution to 1m.

Define the desired extend by inserting coordinates or simply zoom to the desired area and the click on Set extend to current view.

Click on Add. OCAD downloads the map tiles to your folder and load them directly as background maps.

Overlapping parts

Depending on the chosen extend, the background maps may overlap with your existing map. To avoid overlapping, following suggestions may help you:

  • Fit the extend you want to download to the edges of your existing map
  • Cover your entire orienteering map with white background. Add a new white color at the end of your color table which you use as fill color for a new area symbol. Set your View to Normal Mode.

Orienteering map Luotosenjärvi Hamina by Janne Weckmann.

Link: http://www.mapant.fi/