DEM - Revision history

ANK at 09:39, 22 September 2026

2026-09-22T09:39:31Z

← Older revision		Revision as of 11:39, 22 September 2026
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	==Create Feature Map [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Create Feature Map [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

			Choose '''Create Feature Map''' from '''DEM''' menu. The '''Create Feature Map''' dialog box appears.

			Read more about this function on the page [[DEM_Import_Wizard#Create_Feature_Map\|DEM Import Wizard]].

	==Merge Contour Lines By Selected Symbols [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Merge Contour Lines By Selected Symbols [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

GRS: /* Merge Contour Lines By Selected Symbols File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteering */

2026-09-22T06:51:28Z

Merge Contour Lines By Selected Symbols File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteering

← Older revision		Revision as of 08:51, 22 September 2026
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	[[File:Hint.jpg]] Before running this command, make sure you have loaded the ''xxx_Diff.ocdDem'' as DEM and not the ''xxx_DTM.ocdDem''. Click '''Info''' in the '''DEM''' menu to see which file you have loaded.<br>		[[File:Hint.jpg]] Before running this command, make sure you have loaded the ''xxx_Diff.ocdDem'' as DEM and not the ''xxx_DTM.ocdDem''. Click '''Info''' in the '''DEM''' menu to see which file you have loaded.<br>

			==Create Feature Map [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

	==Merge Contour Lines By Selected Symbols [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Merge Contour Lines By Selected Symbols [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

ANK: /* Classify Vegetation Height File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteering */

2026-09-02T06:22:40Z

Classify Vegetation Height File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteering

← Older revision		Revision as of 08:22, 2 September 2026
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	Read more about this function on the page [[DEM Import Wizard#Classify Vegetation Height\|DEM Import Wizard]].		Read more about this function on the page [[DEM Import Wizard#Classify Vegetation Height\|DEM Import Wizard]].

			[[File:Hint.jpg]] Before running this command, make sure you have loaded the ''xxx_Diff.ocdDem'' as DEM and not the ''xxx_DTM.ocdDem''. Click '''Info''' in the '''DEM''' menu to see which file you have loaded.<br>

	==Merge Contour Lines By Selected Symbols [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Merge Contour Lines By Selected Symbols [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

KLH at 17:07, 4 December 2023

2023-12-04T17:07:59Z

← Older revision		Revision as of 19:07, 4 December 2023
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	==Remove embedded DEM [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Remove embedded DEM [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==
	~~[[File:ProfileExample.PNG\|600px]]~~

	Click this function to removed an embedded DEM.<br>		Click this function to removed an embedded DEM.<br>

ANK: /* Create optimized DEM for Course Setting File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteeringThis function is available in OCAD Starter.|link=https://www.ocad.com/en/products/ocad-for-orienteeringThis function is available in OCAD Course Setting.|link=https://www.ocad.com/en/products/ocad-for-orienteering */

2023-08-23T07:25:40Z

Create optimized DEM for Course Setting File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteeringThis function is available in OCAD Starter.|link=https://www.ocad.com/en/products/ocad-for-orienteeringThis function is available in OCAD Course Setting.|link=https://www.ocad.com/en/products/ocad-for-orienteering

← Older revision		Revision as of 09:25, 23 August 2023
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	[[File:OptimizedDEMSettings.png]]		[[File:OptimizedDEMSettings.png]]

	The DEM is typically created by the map maker as a basis for mapping. ~~Map makers~~ need a DEM to run the '''[[Route_Analyzer\|Route Analyzer]]'''.		The DEM is typically created by the map maker as a basis for mapping. Course setters need a DEM to run the '''[[Route_Analyzer\|Route Analyzer]]'''.
	The DEM can passed on to the course setters as an optimized and compressed Course Setting DEM (ocdCsDem), which has greatly reduced file size with ~~the same~~ quality. In addition, the optimized DEM can be embedded directly into the ~~OCAD~~ file to make exchange easier.		The DEM can passed on to the course setters as an optimized and compressed Course Setting DEM (ocdCsDem), which has greatly reduced file size with no quality loss for route calculation. In addition, the optimized DEM can be embedded directly into the map file or course setting file to make exchange easier.

	===DEM files===		===DEM files===
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	===Optimized DEM===		===Optimized DEM===
	*'''Embed into the map file''': Select this option to embed the optimized DEM directly into the file. You can embed the DEM into the map file or course setting file. The file size will increase.		*'''Embed into the map file''': Select this option to embed the optimized DEM directly into the file. You can embed the DEM into the map file or course setting file. The file size will increase.
	*'''Save as external DEM file''': ~~Load~~ the optimized DEM as external file after its creation. When passing the course setting project to another person, make sure that the external DEM is also sent.		*'''Save as external DEM file''': Save the optimized DEM as external file after its creation. When passing the course setting project to another person, make sure that the external DEM is also sent.
	*'''Load (Instead of currently loaded)''': In OCAD, only one DEM can be loaded at the same time. When you create the optimized DEM, you can load it directly instead of the currently loaded DEM.		*'''Load (Instead of currently loaded)''': In OCAD, only one DEM can be loaded at the same time. When you create the optimized DEM, you can load it directly instead of the currently loaded (non-optimized) DEM.

	==Remove embedded DEM [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Remove embedded DEM [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

ANK at 14:25, 22 August 2023

2023-08-22T14:25:34Z

← Older revision		Revision as of 16:25, 22 August 2023
Line 143:		Line 143:

	Find more information about this function on the '''[[DEM Profile]]''' page.		Find more information about this function on the '''[[DEM Profile]]''' page.

			==Create optimized DEM for Course Setting [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==
			[[File:OptimizedDEMSettings.png]]

			The DEM is typically created by the map maker as a basis for mapping. Map makers need a DEM to run the '''[[Route_Analyzer\|Route Analyzer]]'''.
			The DEM can passed on to the course setters as an optimized and compressed Course Setting DEM (ocdCsDem), which has greatly reduced file size with the same quality. In addition, the optimized DEM can be embedded directly into the OCAD file to make exchange easier.

			===DEM files===
			*'''Use loaded DEM''': If a DEM is already loaded, you can use it to create an optimized DEM.
			*'''Use DEM(s) from folder''': Click the '''Add''' button to choose DEM files from a folder. You can choose multiple DEM files, but be aware that the grid size need to be the same. Click the '''Remove all''' button to remove the files from the list again.

			===Optimized DEM===
			*'''Embed into the map file''': Select this option to embed the optimized DEM directly into the file. You can embed the DEM into the map file or course setting file. The file size will increase.
			*'''Save as external DEM file''': Load the optimized DEM as external file after its creation. When passing the course setting project to another person, make sure that the external DEM is also sent.
			*'''Load (Instead of currently loaded)''': In OCAD, only one DEM can be loaded at the same time. When you create the optimized DEM, you can load it directly instead of the currently loaded DEM.

			==Remove embedded DEM [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==
			[[File:ProfileExample.PNG\|600px]]

			Click this function to removed an embedded DEM.<br>
			Run the '''[[Map#Optimize_and_Repair\|Optimize and Repair]]''' command afterwards to reduce the file size again.

	==Export [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Export [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

ANK at 08:39, 7 March 2023

2023-03-07T08:39:33Z

← Older revision		Revision as of 10:39, 7 March 2023
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	Read more about this topic: http://en.wikipedia.org/wiki/Digital_elevation_model		Read more about this topic: http://en.wikipedia.org/wiki/Digital_elevation_model

	[[File:Lidar.png]]<br>		[[File:Lidar.png\|1000px]]<br>
	''Left picture'': LiDAR systems emit laser pulses and detect the light scattered back from the atmosphere. The distance to the location of the scattering is calculated from the light travel time of the signals<br>		''Left picture'': LiDAR systems emit laser pulses and detect the light scattered back from the atmosphere. The distance to the location of the scattering is calculated from the light travel time of the signals<br>
	''Middle picture'': A laser beam splits as it hits objects. The result are multiple returns. The last return doesn’t always reach the ground.<br>		''Middle picture'': A laser beam splits as it hits objects. The result are multiple returns. The last return doesn’t always reach the ground.<br>

ANK at 08:38, 7 March 2023

2023-03-07T08:38:28Z

← Older revision		Revision as of 10:38, 7 March 2023
Line 1:		Line 1:
	A DEM (Digital Elevation Model) contains points with elevation data. DEM Data are based on ~~LIDAR~~ (Light Detection and Ranging) technology measurement, also known as Airborne Laser Scanning. There are DEM with point data arranged in a regular grid with a constant distance between the points. This distance is called cell size. Other DEM contain data points arranged irregularly (cloud-model).		A DEM (Digital Elevation Model) contains points with elevation data. DEM Data are based on LiDAR (Light Detection and Ranging) technology measurement, also known as Airborne Laser Scanning. There are DEM with point data arranged in a regular grid with a constant distance between the points. This distance is called cell size. Other DEM contain data points arranged irregularly (cloud-model).
	: Read more about this topic: http://en.wikipedia.org/wiki/Digital_elevation_model		Read more about this topic: http://en.wikipedia.org/wiki/Digital_elevation_model

	[[File:~~DEM~~.~~jpg~~]]		[[File:Lidar.png]]<br>
			''Left picture'': LiDAR systems emit laser pulses and detect the light scattered back from the atmosphere. The distance to the location of the scattering is calculated from the light travel time of the signals<br>
	A laser beam splits as it hits objects. The result are multiple returns. The difference between first and last return can show object height. ~~The last return doesn’t always reach the ground.~~		''Middle picture'': A laser beam splits as it hits objects. The result are multiple returns. The last return doesn’t always reach the ground.<br>
			''Right picture'': The difference between first return (Digital Surface Model DSM) and last return (Digital Terrain Model DTM) can show object height.<br>
	~~: [[File:DemImportLas MultipleReturn.jpg]]~~		''Source: Lohani, Bharat. Airborne Altimetric LiDAR: Principle, Data Collection, Processing and Applications.''
	: Source: Lohani, Bharat. Airborne Altimetric LiDAR: Principle, Data Collection, Processing and Applications.

	==DEM Import Wizard [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==DEM Import Wizard [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

ANK at 08:19, 20 October 2022

2022-10-20T08:19:07Z

← Older revision		Revision as of 10:19, 20 October 2022
Line 14:		Line 14:
	==Open [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Open [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

	Open an OCAD DEM file (*.ocdDem). OCAD ~~2020~~ can also open ocdDems created in OCAD 11 and OCAD 12.		Open an OCAD DEM file (*.ocdDem). OCAD 2018 can also open ocdDems created in OCAD 11 and OCAD 12.

	The OCAD DEM file is a DEM grid in an OCAD internal file format created in the [[DEM Import Wizard]].		The OCAD DEM file is a DEM grid in an OCAD internal file format created in the [[DEM Import Wizard]].

ANK: /* Open File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteeringThis functi...

2020-04-01T11:48:52Z

/* Open File:Space.PNGThis function is available in OCAD Mapping Solution.|link=https://www.ocad.com/en/products/ocad-for-cartographyThis function is available in OCAD Orienteering.|link=https://www.ocad.com/en/products/ocad-for-orienteeringThis functi...

← Older revision		Revision as of 13:48, 1 April 2020
Line 14:		Line 14:
	==Open [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==		==Open [[File:Space.PNG]][[File:Mas40px.PNG\|This function is available in OCAD Mapping Solution.\|link=https://www.ocad.com/en/products/ocad-for-cartography]][[File:Ori40px.PNG\|This function is available in OCAD Orienteering.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:Sta40px.PNG\|This function is available in OCAD Starter.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]][[File:CS40px.PNG\|This function is available in OCAD Course Setting.\|link=https://www.ocad.com/en/products/ocad-for-orienteering]]==

	Open an OCAD DEM file (*.ocdDem). OCAD ~~2019~~ can also open ocdDems created in OCAD 11 and OCAD 12.		Open an OCAD DEM file (*.ocdDem). OCAD 2020 can also open ocdDems created in OCAD 11 and OCAD 12.

	The OCAD DEM file is a DEM grid in an OCAD internal file format created in the [[DEM Import Wizard]].		The OCAD DEM file is a DEM grid in an OCAD internal file format created in the [[DEM Import Wizard]].