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Import LANDSAT Image
Use this component to import a LADNSAT image that has been downloaded from GloVis into Grassoppper. LANDSAT images contain a wide variety of data at a resolution of 30 meters x 30 meters per pixel. This data includes:
1) Earth Surface Temperature
2) "True Color" Images of the Earth (using RGB channels)
3) Surface Solar Reflectivity
4) Vegetation Index (NDVI)
5) Radiance at 6 Different Portions of the Electromagnetic Spectrum
-
Provided by Dragonfly 0.0.03
Inputs
| Name | ID | Description | Type |
|---|---|---|---|
| landsatImgFolder | _landsatImgFolder | The file path to the folder on your computer into which the LANDSAT image has been decompressed. | Goo |
| dataType | dataType_ | An integer from 0 to 10 representing the type of data that you would like to import into Grasshopper from the LANDSAT image. Choose from the following options: 0 - Temperature (degrees Celcius) 1 - True Color (RGB) 2 - Albedo (Broad Spectrum Reflectivity) 3 - Vegetation Index (NDVI) 4 - Band 1 Radiance (Red) 5 - Band 2 Radiance (Green) 6 - Band 3 Radiance (Blue) 7 - Band 4 Radiance (Near Infrared) 8 - Band 5 Radiance (Far Infrared 1) 9 - Band 6 Radiance (Thermal Infrared) 10 - Band 7 Radiance (Far Infrared 2) | Goo |
| latitude | latitude_ | A number representing the latitude at which you would like to center the LANDSAT image imported to the Rhino scene. It is helpful to take the latitudefrom the location of an EPW file imported with Ladybug or from a site that you have looked up in Google. If no value is input here, the latitude will be set to the center of the image. | Goo |
| longitude | longitude_ | A number representing the longitude at which you would like to center the LANDSAT image imported to the Rhino scene. It is helpful to take the longitude from the location of an EPW file imported with Ladybug or from a site that you have looked up in Google. If no value is input here, the longitude will be set to the center of the image. | Goo |
| imageWidth | imageWidth_ | A number representing the width of the portion of the LANDSAT image that you would like to import in kilometers. If no value is input here, the default will be set to 2 kilometers. | Goo |
| imageHeight | imageHeight_ | A number representing the height of the portion of the LANDSAT image that you would like to import in kilometers. If no value is input here, the default will be set to 2 kilometers. | Goo |
| sampleSize | sampleSize_ | An integer representing the number of pixels to skip with each sampling. Set this to a high number like 32 to allow the component to run quickly and zoom out to the entire LANDSAT image scene. If no value is input here, every single pixel within the given latitude, longitude imageHeight and imageWidth will be sampled, assuming a sample size of 1. | Goo |
| legendPar | legendPar_ | Optional legend parameters from the 'Ladybug Legend Parameters' component. | Goo |
| runIt | _runIt | Set to 'True' to run the component and import the LANDSAT image. | Goo |
Outputs
| Name | ID | Description | Type |
|---|---|---|---|
| out | readMe! | ... | String |
| values | values | Values for for each of the imported pixels. For thermal images, this is temperature in degrees Celcius. For | Goo |
| geoTiffPts | geoTiffPts | A list of points with one point for each pixel imported from the LANDSAT image. Connect this to the 'G' of a native grasshopper 'Custom Preview' component to preview the points colored with the imported values. | Goo |
| ptColors | ptColors | A list of colors one color for each pixel imported from the LANDSAT image. Connect this to the 'S' of a native grasshopper 'Custom Preview' component to preview the points colored with the imported values. | Goo |
| --------------- | --------------- | ... | Goo |
| legend | legend | A legend for the imported LANDSAT image. | Goo |
| legendBasePt | legendBasePt | The legend base point, which can be used to move the legend in relation to the imported LANDSAT image with the native rasshopper "Move" component. | Goo |
| title | title | The title text of the LANDSAT image. Hook this up to a native Grasshopper 'Geo' component to preview it separately from the other outputs. | Goo |
| titleBasePt | titleBasePt | Point for the placement of the title, which can be used to move the title in relation to the LANDSAT imag with the native Grasshopper "Move" component. | Goo |
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