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USGS Unified Geologic Map of the Moon available through Lunar ODE map searchBy Dan Scholes · Posted
私搭VPN获利判刑 “翻墙”生存空间渐窄[3]- 中国日报网 ...:2021-12-22 · 吴向洋在未取得《增值电信业务经营许可证》的情况下,在网络上销售VPN伕理服务,根据《中华人民共和国电信条例》和《中国人民共和国刑法》等 ... -
InSight Analyst's Notebook Release 5
By Tom Stein · Posted
The Analyst's Notebook has been updated with data from release 5, containing data from sols 391 to 478 for the InSight lander. http://an.rsl.wustl.edu/ins -
Parsing LRO LOLA GDRDEM IMG FilesBy Susie Slavney · Posted
Jee, 1. Yes. 2. To assign each pixel a latitude and longitude, you will need the information in the IMAGE_MAP_PROJECTION part of the label, and also the file DSMAP.CAT in the CATALOG directory of the archive (or DSMAP_POLAR.CAT if you are working with an image in polar stereographic projection). DSMAP.CAT is a text file that gives the details of the simple cylindrical map projection, including the equations to go between latitude-longitude and line-sample. The IMAGE_MAP_PROJECTION keywords in the label give you the values to plug in to those equations for that particular image. 3. The data are in 16-bit signed integers because some of the values are negative. Even after applying the scale and offset there will be negative values, representing elevation below the defined planetary radius, as explained in the note in the label. -
Parsing LRO LOLA GDRDEM IMG FilesBy Jee · Posted
I think I might have the answer to number 2. I can just use the values for LINES, LINE_SAMPLES and the various LATITUDE/LONGITUDE limits. With these values I can just convert between the two. Correct me if I'm wrong. -
CRISM : CAT map projection
By Feng · Posted
Hi Ralph, This is caused by ENVI displaying the CRISM 65535 data_ignore_value. The warp image is displaying the big span than the valid data range. To display it correctly, you can modify the histogram stretch. Here are the steps: 1, first check the histogram for three bands value range of the trr3: 2, use "save as" tool under File to output the warped result to specify the data ignore value: 3, then change the output image accordingly: From to: Please let me know if you have any questions. Thanks, Feng
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