Google chart api qr code not working Example: http Share. No mistakes then either. apis" server. And shows only part of url before '#'. Proven uptime and reliability. There are a handful of drop-in replacements. You need to use a barcode reader like ZXing. I am generating QR codes in a column in Google Sheets with data entered via a Google Forms, and I would like to save them as images. charts. Take a look at these three examples QR codes are insecure anyway, anyone can see the data you place in it, by using any reader. The “Display when” property is set to “Always”. scrippter. unread, You received this message because you are subscribed to the Google Groups "Google Visualization API" group. Pen Settings. Plan and track work Discussions. About. I need to show You'll need to find a different way to generate a QR code. Need to take text as input and convert it to qrcode trying to toy with this piece of code , but some how cant get it to work. How can I extract the file for me to be able to save to my storage ? I saw a few examples from the internet but nothing specific about storing the QR code in an actual file. The first QR codes used the Kanji character set, which enabled them to store 1,817 characters. You signed out in another tab or window. k. com/chart?chs=150x150&cht=qr&chl=" using the image function. Part of that library was a wrapper around the "image charts" which use the "chart. I'm not generating the Google Chart API calls, just processing them, so this one isn't for me, but thanks so much for helping! Cheers. When i try the Link in the browser it works I can't seem to generate google QR codes anymore and I found this on Googles developer site: Deprecation notice While the separate Google Charts service is actively maintained, the infographics service is now deprecated and scheduled to be turned off on March 14, 2019. DataView(data); view. io: Or, you can generate QR codes entirely within your This is the second time this year when chart. Similar in many ways to the deprecated Google Chart API, it also allowed users to generate QR codes. Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. Conversations. Issue with QR code We would like to show you a description here but the site won’t allow us. I'm not found of adding Bacon or any other dependency back to this package, but if we do, to get a "fixed" version people When I use html2pdf() function to download in PDF format, in that image is not displaying rendering from link. Below mentioned link used, it leaves blank space in PDF. All features You signed in with another tab or window. Install BCmath Extension in PHP. The text was updated successfully, In order to contact the best experts to help you with your issue I suggest you look here for a more appropriate help forum: https://support. example: load google charts with a saved version (a. 1. How can i also change the white background color of the QR code? Thanks Jinji. They are a type of barcode that can be read by both barcode readers and smartphones with cameras. All features Documentation GitHub Skills Blog Solutions By company size We are using Google Chart APIs to Generate QR Codes, We are facing issue accessing the Webpage as we are getting 404 How to get vCard info into a QR code using the Google Chart API? This question has been coming up occasionally and it can be a little quirky. The WepBrowser is displaying a QR code using chart. What will happen to QR Codes that have been generated by Google Chart Tools after it is no lo Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company For additional info, you may visit Google's documentation on QR Code using this link. This is because of the planned outage of Google Image Charts (not Google Charts!) You received this message because you are subscribed to the Google Groups "Google Visualization API" group. – Quick fix to get the qrcode back working: plugin needs to be switched from Google Chart plugin to "QR Code Generator (goQR. It's really unbelievable and frustrating that Google is not interested in QR Codes! I have been working on QR Codes for last 1 year, and I myself have created several way out to solve lots of inadequacy of google supporting codes [from my end, obviously]. HTML CSS JS Behavior Editor HTML. While Google Chart API has completely closed its QR code generation service, there are some alternative solutions available. 105 When enabling 2FA with google authenticator it loads the key and it works. getFoldersByName(folderId). But there is no QR code displayed. Your choices are to rely on the deprecated Google Image Chart API or to use a non-Google service for QR codes. I have a QR code image that's embedded from the Google Charts API. We serve millions of QR codes per day Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Then This help content & information General Help Center experience. Avinash. apis. Create the unencoded vCard info. One such solution is '#' character is not accepted in QR code API from google charts, how to make it work? 0 Google charts api removes part of string when creating qr code in sheets You're asking about the Google Image Charts API, which was deprecated in 2012 and is finally, 12 years later, being turned off. How to parse the Range object in Google Apps Script. Skip to first unread message The "visualization-api" is an interactive charts library that works quite differently. Stack Overflow. Google chart api is not working properly. Google Image Charts have been deprecated (as you can see from their help pages), so unless you want to implement the old-style charts, you won't be able to implement the above code on your new, fancy, interactive SVG charts. 6 years ago Get QR Code with Google Chart API; Tutorial. One such solution is chart. These tools MUST respect the standard limits '#' character is not accepted in QR code API from google charts, how to make it work? 0 Google charts api removes part of string when creating qr code in sheets Ask questions, find answers and collaborate at work with Stack Overflow for Teams. There are alternatives like Image-Charts. Not displaying any image in P On Google Developers site: Image Charts/Image there's a header, announcing: Warning: This API is deprecated and is scheduled to be turned off on March 14, 2019. Use QR codes in Excel, Google Sheets, Airtable, or any other tool that supports images. See https://developers. Hey, it seems Google Authenticator for MFA has stoped working, QR images for enrrollement are not properly being generated. To make one with an online This thread is locked. a. No scan limits. net. Using yourls ver 1. Now both of them does not work due google shutdown the API on march 14 2019. However, i cannot get it to load as an image. When I try to read other QR codes it works fine. com with quickchart. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Documents say that the 'explorer' option is useful. Commented Jan 27, 2012 at 13:13. 0 '#' character is not accepted in QR code API from google charts, how to make it work? 0. 4. I'm also thinking that bulk QR code generation will be faster if it's done on the server. The QR code will generate in the copied spreadsheet. I have been able to create the 2 D Qr code using the google chart api like I am using Google API to generate QR code. 0, already pushed some code to it, but looks like we will have to think this better. In case your app is production critical here's another API that generates QR codes: https://api. Please use the actively maintained Google Charts API instead. Refer to Send a processing request and Handling the processing response for information on using the API. Facebook; Twitter; LinkedIn; Mail; By Hiroyuki Komatsu, Google Chart API team You can easily render 2D bar codes, known as QR Codes, with the Google Chart API, along with pie charts and bar graphs. Try Teams for free Explore Teams i am trying to create a qr code using google chart api. Find it here or see below. Teams. However, when I refresh the page or go to a different browser, a different graph appears. 0 How to create a QR This script creates a QR code png image using the Google chart API. Are you considering Google’s gap in implementing QR Codes in its standard API to be I'm using the Google Charts API to include various graphs on a webapp I'm working on. The problem is that the Google Charts API we use for QR codes (and other charts) has removed support for QR code generation. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; Since it's pre-filled, the string is quite long, and the Google Charts API for creating QR codes will not accept a string of text that long using a GET request, but I can't find any documentation of how to code the POST request into Apps Script. Share. Generating QR codes in google-spreadsheet. Furthermore, the alternative QR code APIs offer additional features not available in the Google Charts API. These features include the ability to generate dynamic QR codes that can be updated with new data, as well as the option to Parameters or Special Characters not working When creating QR codes with QuickChart, you may find that certain parameters, special characters, or parts of the URL are not correctly preserved when the QR code is scanned. I want to change the background of the area where the data is plotted. )? I'm generating a QR code using google charts api Skip to main content. com/chart/image/docs/gallery/chart_gall for details. However, what I am trying to do is generate the PHP - Google chart API - QR code margins not working (Bug or feature? ) 0. Archived post. Clear search According to the Google Charts QR code documentation the maximum number of 0-9 digits you can have in the Version 1 QR Code at EC Level H is 17. Clear search Navigation Menu Toggle navigation. You can vote as helpful, but you cannot reply or subscribe to this thread. is a code for the old Google Image Charts. This applies to both the text parameter in the new API and the chl parameter if you're using the Google Image Charts compatible API. and there are software tools that transforms a input string into a image of the corresponding QR-Code symbol. If you use classic version of the Google Charts, multiple of the above suggestion work. getColumnLabel(1), calc: function {return 0;} }]); // create 'ready' event listener to redraw the chart (triggering the animations) // when the chart is finished drawing var As we all know google provide as Free API named:developer. I discovered the Google Charts API has a hidden way to generate these. Initially it didn't work until I also copied the GoogleAPI module into that work book as well. visualization. It is a little annoying This help content & information General Help Center experience. I want to enable zooming. All groups and messages I need to use Google API to generate unique QR code and here is the result i got from google As we all know google provide as Free API named:developer. The QR code not detect. Create a new file, name it as I am trying to create a line chart with the Google Visualization API. 0 N:Clark;Jason We would like to show you a description here but the site won’t allow us. 3-2022-07-15 and later. About; Products OverflowAI; PHP - Google chart API - QR code margins not working (Bug or feature? ) 1. com And I am looking a way to download the QR CODE image in any format(jpg, png). To make one with an online I have been using chart API for a long time but from today onward it is not working any idea what is wrong with the Google API? This is the API for generating QR code. Typical limits: QR-Code of Version-1-L-Alphanumeric: 25 characters. This is my code: I'm styling a google chart using the javascript api. HTML Preprocessor About HTML That's not what the charts API is designed to do. This is my blogs url encoded in QR Code: These codes are being used extensively in advertising and even in games. Is there a workaround for this or has google given up on QR codes completely ? Simple QR code generator using google chart API . With the Google API QR code not working anymore, many users recommend using QuickChart instead. – Google Chart API. But, now I am in real trouble because of this Google QR Code API. )QR Codes are a popular type of two-dimensional barcode. Collaborate outside of code Code Search. New comments cannot be posted and votes cannot be cast. Here is the test URL: h QuickChart API. com but this api has some limitation that we cannot customize according to us. Clear search 1. Easy QR Code Generation Using Google Chart API . com has suddenly stopped working? Even my sample code I try to generate a QR code with the Chart API. From simple or custom qr charts to output format or background color, we handle everything! There are (standard) size limits for strings presented by a QR-Code. I haven't fiddled around with this stuff I was working on removing it for 5. Get expert tips, ask questions, and share your love for all things Excel. Now Google discontinued this service so i got a simalaer service called quickcharts. Possible duplicate of Deprecation of Google Infographics, QR Codes. you can find a list of the saved versions at the following link, Need many QR codes? Try our bulk QR code generator. Clear search Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company First thing first Google Image Charts is deprecated and can be shutdown anytime soon. QR Codes (QR is short for Quick Read) were created by Denso-Wave a subsidiary of Toyota. Manage code changes Discussions. Collectives™ on Stack Overflow Is it possible to add watermark to QR code generated by google charts api. I have opened a MR which should remove deprecated service and switch all existing fields to use working "goqr" plugin. SYSTEM INFORMATION OS type and version Almalinux 9. Simple QR code generator using google chart API . Skip to first unread message Eugene, Bill it is working like a charm. me)" in your field storage settings "QR code service plugin". 22,394 views. Google Chart API. line graph, pie chart, etc. I use the api to create QR codes. I'm using the code supplied from: here I build a QR Code URL via a function which ผมจะมาพูดถึงการสร้าง QR Code ด้วย Google API โดยหลักการทำงานก็คือเราจะส่ง Parameter ไปยัง URL ของ Google หลังจากนั้น Google ก็จะ Gen I use a WebBrowser within a MS Access Form. HighCharts wont load in Android webview on Android +4. io but Crystal Report doesnt show me the QR Code. I have an image tag on my page whose source attribute I want to get form the google charts API. Tạo QR Code sử dụng Google Chart API hỗ trợ GET and POST. This script creates a QR code png image using the Google chart API. To provide a working example, let's create a form and generate a QR Code on the inputted text. Here is the updated code after their suggestion: I use the Google Chart APIs to generate QR codes in an HTML file used by Google Apps Script: PHP - Google chart API - QR code margins not working (Bug or feature? ) 5. If want to use QR Codes in any sort of secure sense or to store sensitive data you will have to manage encryption and decryption of that data yourself, there a few encrypted examples but its not a heavily used function. I want to store this in my storage as a png or jpg in my Laravel project. createFile(blob) is not working! – Surya. Try this: // create a DataView with 0's in every row of the 'Toplam Satış Miktarı (Ton)' column var view = new google. I recently discovered QR Codes. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The Google Cloud Document AI Invoice Parser processor does extract Barcodes and some QR codes when using processor version pretrained-invoice-v1. Exactly what I was looking for! I now have an "Inline" QRCode in the customer record and not a popup as Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 14,785 views. x. Commented Oct 1, 2020 at 12:06. DriveApp. Explore A vibrant community of Excel enthusiasts. This We are using Google Chart APIs to Generate QR Codes, We are facing issue accessing the Webpage as we are getting 404 Not Found. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This help content & information General Help Center experience. '#' character is not accepted in QR code API from google charts, how to make it work? 0. 0. com/chart to generate QR code, we experienced error 502, can you please temporarily turn it on for a few days for a temporary A few weeks ago I generated QR codes "https://chart. So my question is does anyone one know if Google maintaining an API to generate QR Codes? If so where can the documentation on this be found. Learn more Explore Teams You signed in with another tab or window. 8. QuickChart API. Regarding your issue codetext needs to be URLEncoded. Google Charts / Image Charts - QR Code API Depreciated?? Hi Kris, I would guess that maybe you're hitting rate limits while simultaneously loading 1000+ unread, Google Charts / Image Does anyone know of a PHP class which generates QR codes on your server instead of relying on the now deprecated Google Charts API which will not always be in existence. Discover alternative options to Google Charts QR code generator and find a suitable replacement or substitute for your QR code needs. We're taking it down for increasingly long periods of time every day, to flush out users who might not realize they're using an antiquated service, in anticipation of a complete turndown next week. 6 years ago. Does your goal include the method using google-apps-script? – To speed this up beyond copying and pasting from a text file, I want a printed QR code on the desk that can be scanned as needed. Integrate with your own tools. Try Teams for free Explore Teams We would like to show you a description here but the site won’t allow us. While Google Chart API has completely closed its QR code generation service, there are some alternative solutions available. Using Ctrl + C and Ctrl+V works only inside the Google Sheet and trying to copy and paste that one outside the sheet doesnt work either. I just stole this from how google code generates their QR Codes for the downloads. How to remove white space on side QR code (using zxing) 2. Contribute to tasheera/QR-Code-Generator development by creating an account on GitHub. Google Chart Tools not working in Android WebView. How to insert an Image inside I used the Google Visualization API for making 3 graphs but only 1 graph is showing. Google Chart API QR Generator is deprecated and will not be supported after 2015. This lead me to make a quick small LinqPad script to generate these. com, which follows a similar URL pattern. load('50', { when implementing a page or application, always use a saved version of google charts. Afterwards, I did extensively test both of yours (and others) online QR code generators within our large sheets, but found that there were often many missing gaps within the large column of QR codes where for no (apparent) reason, a QR code simply would not appear in the cell no matter what we did. To create QR codes, we call a QR code API (Application Programming Interface) to generate a QR code. Google Charts API - QR code with leading zeros. In 2002, Japanese innovators developed the idea to enable their new mobile phone cameras to also Possible duplicate of Deprecation of Google Infographics, QR Codes. but its simple and The responses recommending usage of Google Charts are absolutely terrible from information security point of view. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Find local businesses, view maps and get driving directions in Google Maps. It searches the google downloads after the first break. For those we have no suggested replacement. Get QR Code with Google Chart API. unread, Google Visualization Charts doesn't rendner on iPhone 5s. Android's webview doesn't show google maps. Google Chart QR Code - Data is greater than 2k + Asp. g. com has suddenly stopped working? Even my sample code of. Google charts has a curious feature where it will grow the size of the image but not grow the size of the code. Sample Below: BEGIN:VCARD VERSION:3. PHP - Google chart API - QR code margins not working (Bug or feature? ) 1. For example, you can replace chart. Collectives™ on Stack Overflow I am trying to create 1D barcodes using PHP. We would like to show you a description here but the site won’t allow us. This help content & information General Help Center experience. Or has their been a definitive statement from Google to say they are not Im using Google charts to create a QR Code. this way, changes to the 'current' version can't mess with your code. We're looking at alternatives for generating QR codes. Those codes will only work with the non-SVG versions of charts. Android: WebView with JavaScript for Chart. You switched accounts on another tab or window. This works but when I try to read the QR code it doesn't recognize the text. Caution while working with float values in PHP. Generating QR code in google sheets that holds up I was using Google 2-FA and generate QR code using chart. Nếu ký tự string size lớn hơn 2000 bytes thì sử dụng POST cho trường hợp này Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. Issue with QR code generated by Google Charts. Our QR codes work in on-screen, in print, PDF, or anyplace else. potential with Google API chart. Clear search I'm just getting into using Google APIs (exciting stuff). All groups and messages Also, add relevant code. Search. Explore Teams. Is it possible to add watermark to QR code generated by By Hiroyuki Komatsu, Google Chart API team You can easily render 2D bar codes, known as QR Codes, with the Google Chart API, along with pie charts and bar graphs. 2. com , which follows a similar URL pattern. js not working properly. Sign in The QR code can't capture and redirect to the page. . Avinash 13 years Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Yesterday i got 502 also for generating qr The standard method of using the Google Chart API makes me reliant on Google not going “tits up” and not charging me for their service. qrserver. But when I try to use the 'explorer' option, the chart is shown but zoom does not work. When I try to Print the form, or via the print preview, the QR Code is not visible. To make one with an online Currently I managed to show inside Crystal report QR code using Google Charts and dynamically change path of picture but the generated QR code is wrong. Google Chart Image does not load. QR CODE GOOGLE API. However, specifying the parameters as such results in a blank image ; no matter what the choe parameter is set to; because there is more data being encoded than can fit. That's essentially sharing the TOTP secret as well as your username ([email protected]) and Plan and track work Code Review. Embed QR codes anywhere. Ask Question Asked 7 years, 2 months ago. Does Google Visualization Charts not work on iPhone 5s ? the result on iPhone 5s on browserstack is a. To make one with an online You signed in with another tab or window. Google charts not working in android webview. Clear search However, Google Image Charts provides some "charts" that Google Charts does not, such as QR codes, LaTeX equations, and road signs. I added my Chart generator class (working perfectly). Elevate your spreadsheet skills with us! Generating QR code using Google API in Excel, the QR code is not generating on another spreadsheet in the same workbook. I thought I might document my process of making this work with the Google Chart API. Clear search Hi, has anyone else run into the issue this week where the QR generator at chart. Using another charting library such as D3 or Dygraphs (both JavaScript). The clipboard is detected as not containing images to paste elsewhere. This will depend on the size of the data within the code. Even though the Google Chart API QR code deprecated years ago, QR codes can still be created online. Unfortunately, from your question, I cannot understand about the situation of I would like the resultant QR scan to read "TAG000000501", but the leading zeros are not displayed. Here's the page (note the broken images): [redacted] I am using google charts to generate QR code, html address that needs to associated with QR code image contains "#" and it breaks url. If you look at the project wiki there are examples on what intents to use to make it work and return you the correct text. You received We are using https://chart. Not really an In this post, we’ll look at how to create fully-functional QR codes in Google Sheets. Frozen Charts Version) google. I can get it to work fine as one line of words, but I need line breaks between paragraphs. com is not working. Does anyone know of a better alternative to this that I can use on PHP-based websites? Ask questions, find answers and collaborate at work with Stack Overflow for Teams. com/ it's working for me, see: No change, sorry; Google Charts does not support QR codes. Find more, search less Explore. HTML Preprocessor About HTML Preprocessors. Can I ask you about the detail of your current situation? By the way, in your tags, google-apps-script is included. I would also consider a client based JS or Jquery solution to the problem. However if you use newer Material type Google charts then you have to specify the options differently, Here is the link for jsfiddle code. To make one with an online QuickChart API. I'd advise you to use one of the many qr code generating libraries available instead of relying on an api because: Using someone else's server to generate QR codes poses a security risk; Making a QR code is very simple when you use a library. It produces the QR Code perfectly when i just paste the link directly on the browser. I'm using the javascript chart tools (not the image chart tools), and am wondering if it's possible to use a transparent background on a chart (e. QR Codes In Google Sheets. A PHP option is generate the QR image via a curl request, read the bitmap data in, muck with it via GD or ImageMagick, then save it somewhere and display it. com Hi, has anyone else run into the issue this week where the QR generator at chart. In another project i used TwoFactorAuthenticator,downloaded through NuGet Package Manager in visual studio which actually does the same thingenter code here. 0. Learn more Explore Teams I'm trying to change the background color of the Google QR-code chart by adding this to the url: &chf=<fill_type>,s,<color> But, only the border color changes. Just call it (as seen below) add your own event method to catch the chart once it is generated and save it to the HDD. To unsubscribe from this group and stop receiving emails from it, send an email to google-visualizati I am a non programmer, looking to just replace the line or You do not even need to insert the QR codes into your sheet. I know about ASCII QR and Chrome to Phone, but I find this to be the easiest way to get any text onto my Android phone. PREVIOUS WORK QR codes were first created in Japan in 1994 by Denso-Wave, a subsidiary of Toyota to track the products and account for inventory. Hi y'all; we used in our Label a QR Code we got dynamiclly over API Google Charts. Generating all the charts you'll ever need before March 14 and storing them yourself. I get a 150x150 QR code image. as getFoldersByName implies this A jQuery option is to just place a watermark image on top of the one that Google Charts makes, but the original will still be available. – Hairgami_Master. Reload to refresh your session. HTML preprocessors can make writing HTML more powerful or convenient. php qr code not generating on server by using google api gives a file with nothing in it. Improve this Generate qr code charts as image using Image-charts API. The resource you are linking to is using the 'http' Generating QR Code using Google Charts API in C# 18 Oct 2013 | LinqPad We are playing with QR Codes at work and needed a quick and simple way to generate QR Codes. Creating our Script. setColumns([0, { type: 'number', label: data. If you are using Excel 2013+ you can use The chart API is a fantastic application where any browser will return an image dependant on the url entered, originally designed for charts/graphs etc but in this instance you can enable the We have been using the old Infographics API to generate QR Codes but I noticed that it has been deprecated and replaced by Google Charts. If you Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. com/chart and https://developers. Google Chart API - QR Code. If you haven't seen a QR Code before, you are looking at one on the right hand side (To see more, do an image search for "QR Code". How do I make every graph appear? I used @WhiteHat suggestion but it did not work. I am creating dynamic Url which is pass to chl attribute of google API. googleapis. google. I'm attempting to create a Google 2 Factor Authorisation just as an experiment not for any real practical reason. 1 When i scan and find a code to scan using my iphone. Try Teams for free Explore Teams. Recently it stopped working, but I haven't changed anything in my code. Collaborate outside of code Explore. 3. 3 Webmin version 2. hyprem; 1 3 weeks later Solution; Stuart Silvester. The problem is that I can not seem to find any documents on QR Codes inside the new charts. The Google Chart Tools: Inforgraphics has been deprecated and will not longer be supported after 2015. QR-Code of Version-1-M-Alphanumeric: 20 characters. After applying patch run drush updb. ywl dpzb fbeb jpn aibdyt wraujua hwuqf kdttlooe emxxpsq giz