Geographic Information Systems Questions, Problems & Solutions : TransWikia.com ~ Page 563

Error occurring when converting to dB during the python-based classification

I am trying to perform an object-based classification using a python-based script with rsgislib. Although, when converting to dB, an error is appearing. Any ideas why is this happening?...

Asked on 07/28/2020 by 1milenac

0 answer

Merging two Polygon objects of the same layers, snapping them together into one?

Currently I am converting an AutoCAD Draw project (DXF file) to QGIS where I have some several shapefiles as skeletons to combine with data. (Cut from one layer and paste...

Asked on 07/28/2020

1 answer

Image Dodging (color matching algorithm) in ERDAS

I have two LISS 3 images acquired in Feb and March a year apart. I have performed atmospheric correction (haze reduction) for both the images individually before applying the color...

Asked on 07/28/2020 by Deepthi

0 answer

Styling currently used feature of the Coverage layer of Atlas

I am looking for a way to define a different style just for the currently used feature of the Coverage layer of Atlas. The image below will hopefully make it...

Asked on 07/28/2020 by Lisdengard

1 answer

Issue while adding layer as QGIS

I'm having issues adding a layer. I'm very new to the application, so most likely it's just some basic thing I'm doing wrong. I'm trying to add a Layer (...

Asked on 07/27/2020

1 answer

Downsides to saving rasters with NaN as no data values?

I am working with a bunch of satellites images downloaded from Google Earth Engine as .tifs. I have masked some of the pixels in Earth Engine with values of -999999...

Asked on 07/27/2020 by la_leche

1 answer

gdal_merge.py with memory constraints

I export bunch of DEM files (10000x5000) from Photoscan and I need to combine them with gdal_merge.py but the problem is that it consumes all the memory availible and can't...

Asked on 07/27/2020 by mrgloom

1 answer

PopupTemplate Content strips HTML Data-* Attributes in ArcGSI JavaScript API 4.16

Working with the ArcGIS JavaScript API version 4.13 and was able to build popup templates that included data attributes to work with the Semantic UI library for their Tab module...

Asked on 07/26/2020 by Booshwa

0 answer

Unable to list Sentinel l1c file using AWS CLI

Following Setting for AWS CLI using AWS configureAWS Access Key ID : **********AWS Secret Access Key : ********Default region name : eu-central-1which I get from IAM user After...

Asked on 07/25/2020 by gaurav singh

0 answer

What are the coordinates (XYZM) for grids in QGIS? Or how do I add columns in the QGIS field calculator?

When you create a grid in QGIS, in the attribute table for each square, you have a corresponding column left, right, top, bottom in coordinates. Which of these four correspond...

Asked on 07/25/2020 by MapDeath

0 answer

Ask a Question

Get help from others!

Geographic Information Systems : Recent Questions and Answers (Page 563)

Ask a Question