GlobeViewer Mars manual
We use the symbols in the top left to draw your attention to the other available GlobeViewer apps. There are also 3D surface models of the earth and moon available for you.
Mars 2020 direct link [0.4.0]
Recently, NASA's Mars 2020 mission successfully landed on Mars. We follow the Rover Perseverance every step of the way on this detailed HiRISE 3D map. In addition to area C2 with Olympus Mons, this map is also available to all users free of charge.
The night mode darkens the entire view in such a way that you are not so much dazzled by the app even in dark surroundings and thus disturb the dark adaptation too much.
In version 0.6.0 you can change the language of the app here. German, English, French, Italian, Spanish and Portuguese are available.
The translations were carried out with Google Translate. Due to the very special texts (technical terms and abbreviations) in the mission descriptions, we have left this part in the original English. Here the automatic translation would only be of very poor quality.
Likewise, the additional information on the features on the surface from the IAU database is still English, as there is no official translation for it. Should you find unsuitable translations in the remaining texts, we look forward to hearing from you!
The tutorial guides the user through all available areas of the app.
The manual (this page) for the app explains all functions in detail.
Clear download cache
The app downloads a lot of textures from our server to your device. These are cached on the device for later reuse or for offline use. If the data is not needed offline, the download cache can be released manually. All data can be reloaded again and again from the server.
After installation, the app only contains a very low-resolution Martian texture for the global view. All higher-resolution global textures must first be loaded from the server. The higher the selected resolution, the more frequently advertising is displayed in the app - unless the user has already permanently deactivated advertising with a purchased product.
You can activate two app levels in the shop. Stage 1 (NoAds) completely removes the advertising from the app. Level 2 (Pro) unlocks the high-resolution 3D view of the entire surface of Mars. You can also upgrade from any level to the higher levels later.
All data sources that were used for the app are listed here.
Global view of Mars
Orbit Mars like a satellite so you can see it from all sides. Realistic Mars lighting is deliberately omitted in favor of optimal illumination of the surface.
In the global view you can use the slider to rotate the direction of light around Mars once. In this way you can optimally illuminate all areas that you want to take a closer look at. The position of the camera is taken into account so that the pole areas can also be illuminated. So first place the camera on the area that interests you and then change the direction of the lighting.
The following texture layers are available:
- Photo: simulated global photo including fixed shadow
- Height texture: global height gradient without shadows
- Overlay: Combination of photo and height texture
- Gray: No color to simulate the current surface shade
For the high-quality shading of the surface, a normal texture was calculated from the height data. This texture changes the surface lighting so that shades of the surface details can be shown. In this way, the surface details can either be switched off completely or gradually added to the basic texture. There are four different levels to choose from. The stronger the details, the clearer the smaller differences in altitude on Mars become. Just try it out to see which level best suits your current view.
Various objects are marked on the globe. In the display options you can decide which of these objects should be displayed. Here you can, for example, switch off all crater names or only show the "plains" or "mountains". The display of the longitude and latitude as well as the loading symbols for the 3D surfaces can be hidden and shown here according to your requirements.
A display provides more detailed information on the features present on the globe. The information on the feature which is closest to the camera is always displayed - depending on the center of the screen. You only have to place the desired feature in the middle of the screen to display the additional information.
As an alternative to displaying objects in the center of the screen, you can also search for objects on Mars. To do this, open the object information and enter a few letters in the search field. With the search, you will then receive a list of all objects that match the search term. You do not have to give an exact name, parts of words are sufficient for the search. You can then simply select the search results found in the results list, and the camera will immediately center the searched object.
Use one finger to rotate the camera around Mars in rotation mode.
With the usual two-finger gesture, you can bring the camera closer to the surface and thus zoom in or out. Alternatively, two symbols are available for this.
Mars mission logbook [0.4.0]
Below the controls is a rocket symbol that opens the mission log. Here you will find all missions started on Mars since 1960. You can use the slider to scroll through the timeline and read through further information on the missions. We recommend the link to Wikipedia, there you will find a lot of interesting information about the missions. If missions have landed on Mars, the landing site can be centered directly on the globe and thus found very quickly.
3D surface models (regional)
In addition to the global view, the entire Mars is also available as a high-quality 3D surface model. In order to make the associated large amounts of data available on mobile devices, the surface of Mars was divided into various regional sectors. These sectors have been distributed as markers (raster symbols) on the global surface of Mars. The corresponding region can be loaded into the global Mars model using these markers. For technical reasons, these markers are only displayed after all other markers have been placed on the globe. Depending on the computing power of your device, this may take a few seconds.
If you have selected a region, the scene with the individual 2D data tiles is loaded first. Each individual data tile is 5° x 5° in size. Due to the spherical shape, the tiles in this orthorectified view distort the actual dimensions on the spherical surface. Therefore, the closer you get to the poles, the tiles appear to be drawn wider and wider, while the tile is shown compressed in length.
Each individual 2D data tile automatically reloads the associated 3D model and displays it immediately after the download. There are around 2-3 MB download per tile, so depending on your transfer rate, it can take a few seconds for all tiles to have downloaded the associated 3D model. Only the 3D tiles are loaded directly around the camera target point and those further away are removed again.
In this orthorectified view (which is not a realistic representation anyway) you can rotate the light 360 ° around these tiles. This form of lighting is also not realistic, but it can be used to completely illuminate an existing crater from all directions in order to make the existing height structures more visible.
Height multiplier [0.5.0]
In all 3D maps, the height can be increased in order to get a better perception of the terrain structure. You will find an additional symbol at the top of the menu strip.
In the orthorectified view you can freely rotate the camera around the current observation point with one finger. With the two-finger gesture you can zoom in and out of the observation point. With three fingers, the camera and the observation point are moved over the terrain, i.e. the camera view is completely shifted. Alternatively, it is also possible to move with one finger, for this purpose the camera mode must be changed from rotation to move with the corresponding symbols on the lower left edge of the screen.
Corrected 3D view of the globe
After downloading the tiles, you can switch back to the global view of Mars. At this moment, all the 3D tiles that have just been downloaded are rectified and placed on the spherical surface of global Mars. The 3D surface is then shown in the correct rectified representation. The 3D model lies on top of the simple spherical model with the global texture, which can result in smaller gaps in the display.
In the global view, the lighting rules for the globe apply again. All texture options for the global view can also be applied to the tiles of the 3D model.
Due to the amount of data required, only one region can be loaded at a time. You can therefore unload the loaded region again using the corresponding symbol and then reload another region.
Mars 2020 / Perseverance landing site as a 3D map [0.4.0]
After the successful landing of the NASA rover Perseverance in the Jezero crater, we added the landing site as a high-resolution 3D map. Compared to the other 3D maps in the app (200 m per pixel), this map has a significantly higher resolution because it comes from height data from the HiRISE project (1 m per pixel). Unfortunately, there is currently no global coverage of the HiRISE data, so this one high-resolution 3D map remains for the time being.
The movement of the rover Perseverance on the surface of Mars is displayed directly on the map. You can use the symbol at the bottom left to select and display the corresponding position for each Martian day (SOL). This route is regularly updated by us for the app and is accessed online from our server. You can also call up this data directly from NASA using the NASA Finder.