Juhi Acharya, Author at

GeoJSON to GeoTIFF – Vector to Raster Conversion

GeoJSON is an open standard geospatial data interchange format that represents simple geographic features and their non-spatial attributes. It is based on JavaScript Object Notation (JSON) and serves as a format for encoding various geographic data structures.

TIFF, also known as the Tagged Image File Format, is a file format designed for transferring, storing, and displaying raster images. It is commonly used for scanned aerial photography, maps, digital satellite imagery, and other geographic data.

GeoTIFF is a metadata standard that is in the public domain. It enables the embedding of georeferencing information in a TIFF file. This additional information can include projections, coordinate systems, ellipsoids, datums, and all other necessary details to establish the precise spatial reference for the file.

Using IGIS Map Tool you can easily convert – GeoJSON to GeoTIFF. You can also do other GIS Data Conversion using this tool.

IGISMAP to Convert GeoJSON to GeoTIFF

For GeoJSON to GeoTIFF conversion, go to IGIS Map Tool, after logging in with your registered email and password. If you are a new user, click the Sign Up button in the Login popup and register to IGISMAP by filling the details.

There are four main steps for using GIS Converter:

Click on Tool Converter
Upload the data
Choose the format to which it should be converted
Download the converted file

Step one is to upload your GeoJSON file which you want to convert. You can upload your file from system or select from the Recent Files.

Converter Tool - Upload GeoJSON — Upload GeoJSON

Here we have uploaded the GeoJSON file of USA.

Step two is to select the output format from the dropdown for the converted file, in this case its GeoTIFF. You can also set the Coordinate Reference System of your preference. As a default CRS will set to WGS 84 (World) [EPSG:4326]. Now Now Click on the Convert File.

Converter Tool - TIFF as Output Format — Select GeoTIFF as Output Format

Your GeoJSON file will then gets converted to GeoTIFF file after a few seconds and will be available for downloading.

Download GPX File — Download GeoTIFF File

You can also choose to style the layer or continue with further conversion process by clicking the Convert Another File button.

Converted Files section from the dashboard contains the list of the details of all the conversion done in your account, providing both input and output data available for download their corresponding formats.

Download free shapefile of various countries.

Create your own shapefile and share with your clients or embed on your website.

Convert KML to PDF

KML or Keyhole Markup Language is a collection of geospatial data on map and commonly used in Google Earth or google services, while PDF stands for Portable Document Format is used for digital exchange. KML and PDF is a type of vector format of GIS data.

Using IGIS Map Tool you can easily convert – KML to PDF. You can also do other GIS Data Conversion using this tool.

IGISMAP to Convert KML to PDF

For KML to PDF conversion, go to IGIS Map Tool, after logging in with your registered email and password. If you are a new user, click the Sign Up button in the Login popup and register to IGISMAP by filling the details.

There are three main steps for using GIS Converter:

Click on Tool Converter
Upload the data
Choose the format to which it should be converted
Download the converted file

Step one is to upload your KML file which you want to convert. You can upload your file from system or select from the Recent Files.

Here we have uploaded the Shapefile of the US state ‘Texas’.

Step two is to select choose the output format of the converted file, in this case its PDF. You can also set the Coordinate Reference System of your preference. As a default CRS will set to WGS 84 (World) [EPSG:4326]. Click on the Convert File.

Your KML file will then gets converted to PDF after a few seconds and will be available for downloading.

You can download the converted data by clicking on Download Converter File.

You can also convert Shapefile SHP to PDF.

Download free shapefile of various countries.

Create your own shapefile and share with your clients or embed on your website.

KML to GeoTIFF – Vector to Raster Conversion

KML, or Keyhole Markup Language, is a geospatial data collection used in Google Earth and other Google services. TIFF, also known as Tagged Image File Format, is a file format for transferring, storing, and displaying raster images. This format is commonly used for scanned aerial photography and maps, as well as digital satellite imagery and other geographic data.

GeoTIFF is a metadata standard in the public domain that enables the embedding of georeferencing information in a TIFF file. This additional information encompasses projections, coordinate systems, ellipsoids, datums, and all other essential elements for establishing the precise spatial reference for the file.

Using IGIS Map Tool you can easily convert – KML to TIFF. You can also do other GIS Data Conversion using this tool.

IGISMAP to Convert KML to GeoTIFF

There are four main steps for using GIS Converter:

Click on Tool Converter
Upload the data
Choose the format to which it should be converted
Download the converted file

Step one is to upload your KML file which you want to convert. You can upload your file from system or select from the Recent Files.

Here we have uploaded the KML file of Turkey National Boundary.

Converter Tool - GeoTIFF as Output Format — Select GeoTIFF as Output Format

Your KML file will then gets converted to GeoTIFF file after a few seconds and will be available for downloading.

You can also choose to style the layer or continue with further conversion process by clicking the Convert Another File button.

Download free shapefile of various countries.

Create your own shapefile and share with your clients or embed on your website.

Convert Shapefile to PDF

A GIS file is a format used as a norm for encoding geographical information into computer readable file. GIS (geographical information system) file is mainly divided or differentiated into two vector format and raster format.

Shapefile format is one of the commonly used GIS format developed by ESRI, while PDF stands for Portable Document Format is used for digital exchange.

Using IGIS Map Tool you can convert Shapefile SHP to PDF . You can also do other GIS Data Conversion using this tool.

IGISMAP to Convert Shapefile to PDF

For Shapefile to PDF conversion, go to IGIS Map Tool, after logging in with your registered email and password. If you are a new user, click the Sign Up button in the Login popup and register to IGISMAP by filling the details.

There are three main steps for using GIS Converter:

Upload the data
Choose the format to which it should be converted
Download the converted file

Step one is to upload your Shapefile which you want to convert. You can upload your file from system or select from the Recent Files.

Here we have uploaded the Shapefile of the US state ‘California’.

Your Shapefile will then gets converted to PDF after a few seconds and will be available for downloading.

You can also choose to style the layer or continue with further conversion process by clicking the Convert Another File button.

You can also download the converted file or the uploaded file the Converted Files section from the dashboard. This section contains the list of the details of all the conversion done in your account, providing both input and output data available for download their corresponding formats.

You can also convert Shapefile KML to PDF.
Download free shapefile of various countries.
Create your own shapefile and share with your clients or embed on your website.

Other GIS data Conversion

If you are facing any problem in conversion or login then please let us know by mailing at support@igismap.com or drop comment.

Convert KML to TopoJSON

KML or Keyhole Markup Language is a collection of geospatial data on map and commonly used in Google Earth or google services. TIFF (also known as Tagged Image File Format) is a file format for transferring, storing, and displaying raster images. Scanned aerial photography and maps, as well as digital satellite imagery and other geographic data, can be found in this file format.

A TopoJSON file format is a format that encodes topology. TopoJSON is an extension of GeoJSON. This format contains both geospatial data (arcs) and attribute data. In contrast to other GIS formats TopoJSON uses arcs. Arcs are sequences of points, while line strings and polygons are defined as sequences of arcs.

You can convert KML to TopoJSON file using IGIS Map Tool. You can also use it for other GIS data Conversion.

IGISMAP to Convert KML to TopoJSON

For KML to TopoJSON conversion go to IGIS Map Tool, after logging in with your registered email and password. If you are a new user, click the Sign Up button in the Login popup and register to IGISMAP by filling the details.

There are three main steps for using GIS Converter:

Upload the data
Choose the format to which it should be converted
Download the converted file.

Step one is to upload your KML file which you want to convert. You can upload your file from system or select from the Recent Files.

Step two is to select choose the output format of the converted file, in this case its TopoJSON. You can also set the Coordinate Reference System of your preference. As a default CRS will set to WGS 84 (World) [EPSG:4326]. Click on the Convert File.

Your KML file will then gets converted TopoJSON file after a few seconds and will be available for downloading.

Convert KML to TopoJSON — Download and Publish TopoJSON File

You can also choose to style the layer or continue with further conversion process by clicking the Convert Another File button.

Other GIS data Conversion

If you are facing any problem in conversion or login then please let us know by mailing at support@igismap.com or drop comment.

Shapefile to GeoTIFF – Vector to Raster Conversion

Shapefile is a vector data format for storing geographical data and associated attribute information. It is developed and regulated by ESRI as open specification for data interoperability among ESRI and other GIS software products. Shapefile can be point, line, or polygon features.

TIFF (also known as Tagged Image File Format) is a file format for transferring, storing, and displaying raster images. Scanned aerial photography and maps, as well as digital satellite imagery and other geographic data, can be found in this file format.

GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file. The potential additional information includes projections, coordinate systems, ellipsoids, datums, and everything else necessary to establish the exact spatial reference for the file.

Convert Shapefile to TIFF using IGIS MAP Tool. Through this tool you can convert Shp into SQlite , SHP to KML, KML to GeoJSON, KMZ to GPX and many more.

IGISMAP to Convert Shapefile to GeoTIFF

For Shapefile to GeoTIFF conversion, go to Converter tool, after logging in with your registered email and password from IGIS. If you are a new user, click the Sign Up button in the Login popup and register to IGISMAP by filling the details.

There are three main steps for using GIS Converter:

Upload the data
Choose the format to which it should be converted
Download the converted file

Step one is to upload your Shapefile which you want to convert. You can upload your file from system or select from the Recent Files.

Converter Tool - Upload Shapefile — Upload Shapefile

Here we have uploaded the Shapefile of the California state of USA.

After clicking the Convert File button, your GeoJSON file will be converted to GeoTIFF file after a few seconds and will be available for downloading in the Converted Files section of the dashboard.

Raster files are currently not available for processing in IGISMAP, thus the output GeoTIFF file cannot be visualized in the map canvas. Instead it will be available for download in the Converted Files section.

Usage of IGIS MAP Tool –

Download Free Shapefile of Country Map

Map Matching

Hello GIS learner today in this post we are introducing term Map matching is the linking or matching of observed raw GPS signals shown in below image with green color points with the road segments which the GPS signals actually corresponds. The coordinates of GPS observations are close to the road map but not exactly on it. So map matching is process taking input as raw GPS data and giving output as the actual position of road network.

Create your Own Customized Map and Share with Your Clients using IGIS Map Tool.

Why we need Map Matching system?

Now what is the need of map matching, why don’t we use raw data as it is. Map matching problems become complex when the raw GPS data travelled a multi lane road network, even manually distinguish is difficult. Map Matching is used in navigation. Now in the below image you can see the GPS signals in blue navigation but the route is different. In this observation any body can confused with these GPS signals on multi lane. Suppose if you are following these points then you get puzzled when many lanes running simultaneously. It’s a preprocessing method in GIS applications.

In Traffic flow Analysis and in directions Map Matching is useful factor. Aligning GPS across route is termed as Map Matching.

If you are new to GIS – Geographical Information System then check :

We also provide GIS Customized application contact us at juhi@igismap.com for more information.

Locate DP Junctions, Ports, Fiber Cables, Connected Houses – GIS Telecom

In Telecommunication ‘tele’ comes from Greek means far off and ‘communication’ means exchange of information using some medium. Location information is elemental for telecommunication and GIS in Telecom is widely accepted. Geographical Information System tools manages and analyzes the location of dp junction, available ports, fiber cables lines on the map that increases efficiency of the system.

Locate DP Junction, Ports, Fiber Cable, Connected House – GIS Telecom using IGIS Map Tool

Now we will learn how can we use igis map tool in telecom industry. Go to IGIS Map Tool and login with credentials or register with valid email id.

Create a map using ADD MAP button.

Fill the Tittle of the map with description about the map.

Now you will be redirected to the canvas of IGIS Map. Here on the base map you see the plot number.

Now create a DP – distribution Point using point layer. Tap on Point icon shown below.

Fill the Layer Name. Add attributes for name of the distribution point and ports. You can add multiple ports to a junction.

After creating layer go to Add Point in the drop down of layer. Add point in the map. Now create a Polygon layer with attributes. If you are problem in creating layer then check – Create Map layer – Point, Polygon, Line. In the below image we have created multiple junction and houses with fiber cable connections. This type of visualization make your analyzation fast.

You can get information about the connected house to which port by clicking on junction point. Through this you can track the line if any issues occur at end users.

You can either upload fiber line data (shapefile or any GIS format data) or create line layer. And style your map as per desire. In the below image you can see various DP Junction connected to multiple houses. Fiber cables are also created in the image using line layer.

This is all about of locating DP Junctions, Ports, fiber cables and connected houses in GIS Telecommunication. If you are facing problem in execution then please do comment below.

We also provide customized products as per your needs. Contact us at juhi@igismap.com for information.

You can also watch video for implementation of the steps –

Some more with IGIS Map Tool

QGIS Tutorial: Unsupervised classification using KMeansClassification

Unsupervised classification is based on software analysis. It uses computer techniques for determining the pixels which are related and sort them into classes. In this post we doing unsupervised classification using KMeansClassification in QGIS. For supervised classification check earlier articles.

For Beginners check – QGIS Tutorial

Unsupervised classification using KMeansClassification in QGIS

Add a raster layer in a project Layer >> Add Layer >> Add Raster Layer.
Go to the search box of Processing Toolbox , search KMeans and select the KMeansClassification.

Select the input image. Type the Number of classes to 20 (default classes are 5) . Fill training size to 10000.

Type the name of output image save to file.

And in the last tap on Run

Output image directly display on canvas. Image is shown below.

In the layer panel, right click on the output layer and select Properties >> Symbology. Change Render Type Singleband Psuedocolor.

Select the Color Ramp ( we selected spectral)
Choose Mode Equal Interval (default selection is continous)
Change the number of classes from 5 to 20.

In the last click on OK. Output image is provided below. You can also classify according to discrete interpolation if desired.

This is all about unsupervised classification using KMeansClassification. If you face any problem in implementing then please do comment.

QGIS Tutorial – Vector Analysis – Create New Projection

Projection is a method to represent 3D data into 2D. It plays a important role in GIS. A map projection is termed as Coordinate Reference System (CRS) and QGIS allows users to define custom CRS. So in this article QGIS Tutorial – Vector Analysis – Create New Projection we will get familiar with creating your own CRS as per need.

Create 3D map in QGIS

Change projection of a georeference file in other projection – Reprojection in QGIS

QGIS Tutorial – Vector Analysis – Create New Projection

Start a new map >> upload a vector file using add layer in layer in menu bar.
Go to Setting menu bar >> select Custom Projections

Tap on Add new CRS button for new projection creation shown in below image.

In the Name field fill Van der Grinten I and in the Parameters fill this string

+proj=vandg +lon_0=0 +x_0=0 +y_0=0 +R_A +a=6371000 +b=6371000 +units=m +no_defs

And in the last click on OK

Now click on CRS button in the status bar at the bottom right of QGIS button.

Filter the user defined projection, Select and click on OK button.

Here is the map with new projection. It looks interesting then earlier one.

This is about creating or changing projection of vector data in QGIS. If you are newbie learn OGIS from Free QGIS Tutorials

Use GIS MapOG Tool for GIS Mapping.

Download Shapefile free and practice in IGIS Map Tool.