Questions tagged [mars]

Use this tag for questions which are specific to the planet Mars.

12 questions with no upvoted or accepted answers
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Reprojecting Mars image from SimpleCylindrical to Equirectangular projection

The task is to re-project the image of Mars from one projection to another. In particular I want to re-project an image from SimpleCylindrical Mars projection - Projected to Equirectangular MARS ...
3
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0answers
112 views

Converting Mars Global DTM to Spherical Mesh

I am working on a video game that is attempting to provide a semi-realistic model of Mars. My starting point has been to find and use reliable geographic information to create the "model" of Mars. I ...
2
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0answers
803 views

Understanding cosine-weighting?

I am studying a paper where they use a method to calculate the vertical distribution of water content (ice, water vapor, cloud water) from the amount of ice on the martian surface. In the paper they ...
2
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0answers
83 views

Creating Viewsheds on Mars?

I am having a hard time creating viewsheds on Mars. Originally, I thought it was a coordinate system projection error, so I created a custom projected coordinate system for Mars, went to this site, ...
2
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0answers
181 views

Losing resolution using gdalwarp to change projection?

I’m trying to project an image from Mars using gdalwarp, from eqc to polar stereo projection: gdalwarp -overwrite -s_srs "+proj=eqc +lat_ts=0 +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +a=3396190 +b=3376200 +...
2
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0answers
355 views

Creating mercator projection for Mars planet in QGIS?

I would like to insert a new SRC in QGIS, like a Mercator projection for Mars. I selected personalised projection in "preference" icon. I clicked on add a new SRC: Name: MarsMercator parameters: +...
1
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0answers
53 views

How to tile Mars themis raster for Cesium

I am trying to tile the Mars themis raster that has the following crs: PROJCS["SimpleCylindrical Mars", GEOGCS["GCS_Mars", DATUM["D_Mars", ...
1
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0answers
120 views

Create tiles from Mars HiRISE images

I have a problem with creating tiles from from Mars HiRISE images using gdal/gda2tiles. Can't find info regarding this topic, so, maybe someone already faced that issue? Image looks like this Final ...
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0answers
34 views

Use OTB on different celestial body (Mars)

For a project I am trying to use machine learning on maps of Mars using OTB, but I get critical errors and I'm quite sure they have nothing to do with OTB (but you never know). Objective: Being able ...
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33 views

Methods for determining landing hazard for NASAs Perseverance Rover

I was wondering if anyone knows the methods that were used to create the bottom map in the figure below, which is to indicate landing hazard for the Perseverance Rover. Slope and ruggedness are a ...
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67 views

Seeking formula for Distance Calculation on Mars

I have a database of craters on Mars in decimal latitude and longitude. The latitude ranges from about -90 to 90 and the longitude from -180 to 180 which feels right to me. Is there a formula to ...
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482 views

Creating GeoTIFF from TIFF image?

I have a TIFF file that is 2880x1440 pixels. It is a global map in simple cylindrical projection (i.e., each pixel is a 1/8th degree square): If the uppermost leftmost pixel has coordinates x = 1, ...