Stream Segmentation in ArcGIS

What is stream segmentation? A portion of a stream defined either between its beginning and a confluence, or between two confluences.  What is segmentation in Arcgis? Segmentation is a key component of the object-based classification workflow. This process groups neighboring pixels together that are similar in color and have certain shape characteristics. How do I

Download of a file geodatabase failing when using script and query

How do I download geodatabase? Enable file geodatabase downloads Sign in to ArcGIS Online as an administrator. Click Content on the homepage. Open the hosted feature service and click Settings on the item’s details page. Scroll to the bottom of the page to the Data Export section. Click the checkbox to Allow others to export

Determining Thalweg line of river without bathymetry?

How do you identify thalweg? It looks like the Thalweg line follows a predictable pattern where it hugs the outside curve of a river when it meanders and is in the center of the river with it is straight.  Where is the thalweg of a river? (geology, geography, cartography) The line that connects the lowest

Converting OpenStreetMap (OSM) file to shapefile?

How to convert OSM file to shapefile? How to convert OSM files using SHP Click inside the file drop area to upload files or drag & drop a file. You can upload maximum 10 files for the operation. Click on Convert button. Download link of result will be available instantly after conversion. You can also

Getting error in heat map using QGIS?

How to do a heatmap in QGIS? Right-click on the layer that you want to create a heatmap for. Then, click the layer properties and go to the symbology tab. From here, you can go to the heat map option. You can select the color palette you’d like to use with any preferences.  How to

Using Python for Field calculator?

Can you use regular expression in field A in calculator? Summary. The Field Calculator (Regular Expression) Processor can be used to leverage the power of regular expressions to identify a pattern within a target field and extract the substrings from received events. What is the use of field calculator command? The Field Calculator works on

Planet or regions offline maps between two zoom levels

How do I create an offline map? You can save an area from Google Maps to your phone or tablet and use it when you’re offline.Select your own map On your Android phone or tablet, open the Google Maps app . Tap your profile picture or initial. Offline maps. Tap Select your own map. Adjust

How to know if two projections are the same?

Is it possible for a map projection to preserve areas distances and angles on the same map? In an equal-area map, the shapes of most features are distorted. No map can preserve both shape and area for the whole world, although some come close over sizeable regions. If a line from a to b on

Repaint seems not working when called multiple times from the same method

Why can’t you call paint () method directly instead of calling repaint () method? Why cant we call paint (Graphics g) rather than repaint() ? Short answer: because then it would be called at the wrong time or possibly in the wrong thread (and without an appropriate Graphics). The Graphics object must be prepared and

Accessing functions from another project in vb2010

Can you use the same functions in multiple projects? One can handle all the operations according to different projects in the same function. There is no need to create multiple functions having same business logic for different projects.  How to call a method from another project in C#? You need to add a reference to

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