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Questions related to Geoinformatics
Lets imagine we have a DEM. How I map curvature for a changing curvature baseline length (h in questioned paper)? I guess, that the best description is the list of the steps, like: Step 1. Mapping...
03 March 2015 3,735 8 View
I have loaded the mat files of Pavia on Matlab but I am unable to go further. I tried imshow(Pavia) & imshow(pavia, []) but i am able to proceed. Please help me out.
03 March 2015 1,256 5 View
I know Patch analyst but it seems compatible only with ArcGis? GIS tools-landscape fragmentation
03 March 2015 1,243 9 View
Beside the relative topographic roughness using focal statistics, what are the other best options, using ArcMap?
03 March 2015 7,794 10 View
I want to apply this technique for site selection in GIS.
03 March 2015 1,507 7 View
I use Landsat-8 image. I use image fusion techniques. And apply to pan band covers range of 0.50-0.68. And the same range covered by band B-2, G-3, R-4. And my study area covers portion of coastal...
19 February 2015 1,002 7 View
Preliminary checks turned up the following: Night light emissions & Light per capita Smog/Smoke emissions Hyperspectral imaging So far there is one study I am aware of that is along the lines...
09 February 2015 1,270 5 View
IndoorGML is new standard for indoor navigation network. I have building obejct in format obj, skp and I need create indoorGML. What application? Transform format? Thanks
05 February 2015 1,829 4 View
Wastewater engineering can rely more and more on computer software. GIS software can be used for many goals. Have wastewater engineering and GIS been ever coupled?
04 February 2015 4,340 5 View
I have used the softwares DVP and Groupe Alpha Photogrammetry to do the restitution and create orthophotos. I use the software Visual Giant to do the aero triangulation adjustment, however the...
02 February 2015 5,679 3 View
I have done unsupervise image classification and in that image the pixels of Barren area and settlement area are not get classified separately. so how to seperate them to show these two different...
02 February 2015 2,605 14 View
Hi,I have problems to get a Petrel grids to a readable gis format. The export function in Petrel produces Zmap+grids (ASCII) but I can not import them with the "ascii to raster" tool from the...
02 February 2015 6,147 6 View
What are the different types of time series satellite images used for predicting the amount of production? Which software is appropriate for estimating and predicting crop yield? Specifically...
02 February 2015 4,201 3 View
The Landsat 8 OLI images with terrain correction are not useful for atmospheric correction aims. I would need the radiance image acquires by sensor without processing; the geometrical parameters...
02 February 2015 6,957 3 View
02 February 2015 5,091 8 View
I need to generate NDVI (Normalized Difference Vegetation Index) and SAVI (Soil Adjusted Vegetation Index) for soil erosion mapping study.
02 February 2015 8,050 7 View
Dears, I'm trying to compute probable region of sunglint to use as a mask in the processing of remote sensing data. There are several methods for sunglint flaging using spectral characterizations,...
29 January 2015 3,456 21 View
Has anyone experienced "Data buffering failure (level 2)" error in FRAGSTATS 4.2? I am attempting to run Class level stats on a classified .img image (only two classes) using a user provided tile...
28 January 2015 2,326 8 View
My research is focusing about fusing SAR and optical imagery for improving land cover classification that specially maize crop. I'm not sure that ANN, SVM or DT technique, which one's better for...
27 January 2015 5,825 10 View
I have problem in smoothing the slope derived from digital elevation model. I want to do filter for the slope 20 degree slope...
25 January 2015 1,406 4 View
Can I get the workflow of Multiple Point Geostatistical Simulation of Facies in Petrel?
16 January 2015 1,964 3 View
Need to digitize mineral and geological state maps of India, where the coastline does not match with the one I have. I guess it is a projection problem. All our maps are in WGS-84 geographic...
14 January 2015 7,075 13 View
How can use the landsat image for obtain carbon index?
13 January 2015 3,795 3 View
Hi Which is the the most recent techniques or methods for Modeling of land use changes? area: 110 square kilometers , Land use: agriculture, urban, pasture, forest, water, desertData Source: Maps...
04 January 2015 4,153 17 View