Grant Boxer Consultant Geologist March 10th 2014 (Updated Nov 2014)
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1 Grant Boxer Consultant Geologist March 10th 2014 (Updated Nov 2014)
2 Work flow for Landsat 8 Landgate Data Selecting and processing basic data Importing into MapInfo Applications SLIP Portal WMS access Aerial photography Cadastral Data And its all FREE
3 Launched 11th February 2013 Data available from 11th April 2013 Nine bands of data Scenes 170 x 185 km New data acquired every 16 days All data available on-line for download Nasa Image
4 Season effects of vegetation Date of imagery pre-fire Cloud free scene New scene every two weeks
5 AIG Remote Sensing Seminar - March 2014 Nasa Image
6 Band 1 senses deep blues and violets (coastal/aerosol band) Bands 2, 3 and 4 visible blue, green and red Band 5 Near infrared (plant health) Band 6 and 7 Short wave infrared (good for geology) Band 8 Panchromatic band (greyscale) Band 9 Cirrus cloud detection Bands 10 and 11 thermal infrared (ground temperature) AIG Remote Sensing Seminar - March 2014
7 Website: Register free and login Select Landsat scene (same scenes as Landsat 7) Select Data Type (Landsat 8 archive) Review and choose your scene & date Download the data (800 Mb each scene) Extract and process the data. Register the scene in MapInfo /??
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9 AIG Remote Sensing Seminar - March 2014
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15 Registration Information Landsat 8 Scene row 113 path 81 Date YYYY M? _ Band#
16 Registration Information Note negative values in southern hemisphere. Subtract from 10,000,000 m.
17 Extract the data from the zip file Import the required bands into an image processing program for processing (Photoshop, GIMP (free), PixInsight, etc) (see new slide) Stretch the data in each band from black to white Resample the bands so that the images have the same number of rows and columns Merge the bands to get colour images and use the panchromatic band to pansharpen
18 New free program to process Landsat 8 data called Spectral Transformer for Landsat-8 Imagery, Need to download data from the USGS and unzip. This program recognises the bands and location data and produces GeoTiffs of pansharpened 3 band images. These GeoTiffs can be read directly into MapInfo or QGIS Also QGIS is FREE GIS pgm very good. Check it out at AIG Remote Sensing Seminar - March 2014
19 Orion Nebula (M42) AIG Remote Sensing Seminar - March 2014
20 Un-stretched Data
21 Stretched Data
22 Data for bands 2, 3, 4, 6 and 8 stretched Note bands 1 to 7 have a 30 m pixel size Band 8 (Panchromatic Band) has 15 m pixel size Common Landsat 7 RGB is 321 and this is equivalent to L8 bands 432 (natural colour) Band 8 is used to sharpen the image to 15 m resolution. Need to re-sample 30 m pixels to 15 m
23 Bands 4, 3, and 2 are 7561 by 7301 pixels Band 8 is by pixels Re-sample bands 4, 3, and 2 to by Combine the channels Band 4 red (R) Band 3 green (G) Band 2 blue (B) Band 8 luminance channel (L) Save as jpeg (smaller, compressed file)
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27 The registration information is located in the.mtl file Take a note of the upper left (UL), upper right (UR), bottom right (BR) and bottom left (BL) coordinates. Note coordinates in southern hemisphere will be negative add 10,000,000 (false northing) Register image in GIS using each corner and respective coordinates noted above
28 Paraburdoo area 8642 image
29 AIG Remote Sensing Seminar - March 2014
30 AIG Remote Sensing Seminar - March 2014
31 SLIP Portal (www2.landgate.wa.gov.au) free vector data can be downloaded Public datasets listed on web site WFS and WMS data integrates with MapInfo (?ArcView) Cadastral data (Landgate) Roads (MRWA) Geology and tenements (Mines Dept) AIG Remote Sensing Seminar - March 2014
32 AIG Remote Sensing Seminar - March 2014
33 AIG Remote Sensing Seminar - March 2014
34 New Landgate service Fully integrated with Google Earth Can run on PC, laptop or tablet Cadastral data Aerial Photography Services (sewerage, water, etc) Mining and Resources information Census (2011) data AIG Remote Sensing Seminar - March 2014
35 AIG Remote Sensing Seminar - March 2014
36 AIG Remote Sensing Seminar - March 2014
37 Property Information Imagery (incl aerial photography) Historic Maps Boundaries Places Health Emergency Services Transport Mining and Resources 2011 Census Utilities AIG Remote Sensing Seminar - March 2014
38 AIG Remote Sensing Seminar - March 2014
39 AIG Remote Sensing Seminar - March 2014
40 Landsat 8 Data free and easy to use Pansharpen with Band 8 gives 15 m resolution suitable for 1: mapping Ability to select date/season to suit application Processing can be done on geo s PC to suit Experiment with band combinations Not rocket science! Landgate Data SLIP data on-line integration with GIS Locate data - integrated with Google Earth AIG Remote Sensing Seminar - March 2014
41 Thank you for your attention Any Questions? AIG Remote Sensing Seminar - March 2014
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