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12 cze 2007 · We set the Z-Factor parameter based on latitude (angular distance north or south of the equator). The Z-Factor parameter is in many Spatial Analyst and 3D Analyst tools; Hillshade and Slope are the two that I use most. Not setting the Z-Factor correctly makes the hillshades look heavy or leaden.
- Geographic Coordinate System
A geographic coordinate system (GCS) uses a...
- Slope
If the x,y units and z units are in different units of...
- Projected Coordinate System
A projected coordinate system is defined on a flat,...
- Hillshade
If the x,y units and z units are in different units of...
- Charlie Frye
I am the Chief Cartographer at Esri and work on the Living...
- Geographic Coordinate System
21 lut 2020 · Lastly the Z Factor parameter is used to scale the height of a surface in Z axis . Changing those parameters will alter the shadow of the terrain surface, therefore you can use those parameters to tweak the output of a hillshading in order to get a better hillshading visualization.
In ArcGIS you use the 'Z-factor' in the hillshade tool to do this as per the documentation here. You multiply the z conversion factor by the exageration factor. If your z-units are the same as your distance units then it will default to 1 and you can then treat it just as an exageration factor.
7 kwi 2023 · azimuth, z-value and elevation combinations will all influence the hillshade and can create artifacts in the result. There is a vast array of literature out there on hillshades and what they can and can't do and what can result with varying the parameters.
10 wrz 2024 · What are the key parameters for generating a hillshade in QGIS? – The key parameters include azimuth (the compass direction of the light source), altitude (the angle of the light source above the horizon), and the Z-factor (a scaling factor for vertical exaggeration to enhance terrain features).
23 mar 2023 · Switch to the Hillshade renderer; this is done in real-time to the terrain layer rather than creating new data. Change the Z-Factor to 1.5 . This amplifies the effect, making the shadows deeper and the highlights brighter.
3 wrz 2024 · Z Factor: The Z factor adjusts the vertical exaggeration. If your data’s elevation units differ from the map units, you may need to modify this value. Generally, a Z factor of 1 is suitable for most datasets. Output Layer: Choose the location and name for your hillshade output file.
