App for interior pattern layout
April 30, 2024 Leave a comment
“I found your company on Apples’ App Store. Can you or would you be willing to make an app for my type of surveying/layout process. An app that I can upload an image into the app, PNG type, then I can manually place 2D points with a cross-hair on that image, then be able to easily extract the X,Y points from your app as a simple text file or preferably a CSV file. The points would be used for upload into a robotic total station. I use Trimble field link software to control a Trimble RPT600 for interior pattern layout. Currently I have to convert PNG images to a DXF file. This conversion process causes a lot of distortion in the imagery. If you could produce this type of app, this would greatly help.
Thank you.”
Our iCMTGIS III and iCMTGIS PRO iOS apps will let you place points on a geo-referenced image and then export the X-Y coordinates as a text file.
The problem is that your png files are not geo-referenced. Tif files provide better resolution, but they will also need to be geo-referenced.
Our PC-GIS X software for use on a Windows PC provides the geo-referencing functionality, the ability to set up a local NEZ coordinate system, as well as the ability to digitize Points and export the X-Y coordinates in CSV format. If all you need is the exported CSV file, then there is no need to use the iOS apps.
You would set up a local NEZ system by defining a point of origin (such as 100, 100) for your location in the WGS84 system. You then define the corners of the area you will be working with.
The geo-referencing process ties a number of points on the Tif image (usually the corner points) to the corresponding corner points in the NEZ coordinate system. The image is thereby stretched and maybe rotated in such a way that the X,Y coordinates correspond to the actual ground points, and they are meaningful to the total station.
PC-GIS X provides a number of other functions that might be useful to you. It can import and export data in a number of formats, including DXF and Shapefiles. You can use it to prepare and print out a map.
We’ve posted the free CMT GPS/GIS training videos on YouTube, which can be easily accessed via this playlist link.
The material dealing with the PC-GIS software starts with Video 17.
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